List of usage examples for java.lang Class getComponentType
public Class<?> getComponentType()
From source file:org.apache.flink.api.java.typeutils.TypeExtractor.java
@SuppressWarnings({ "unchecked", "rawtypes" })
private <OUT, IN1, IN2> TypeInformation<OUT> privateGetForClass(Class<OUT> clazz, ArrayList<Type> typeHierarchy,
ParameterizedType parameterizedType, TypeInformation<IN1> in1Type, TypeInformation<IN2> in2Type) {
checkNotNull(clazz);/* w w w . j a va 2 s . c o m*/
// check if type information can be produced using a factory
final TypeInformation<OUT> typeFromFactory = createTypeInfoFromFactory(clazz, typeHierarchy, in1Type,
in2Type);
if (typeFromFactory != null) {
return typeFromFactory;
}
// Object is handled as generic type info
if (clazz.equals(Object.class)) {
return new GenericTypeInfo<>(clazz);
}
// Class is handled as generic type info
if (clazz.equals(Class.class)) {
return new GenericTypeInfo<OUT>(clazz);
}
// recursive types are handled as generic type info
if (countTypeInHierarchy(typeHierarchy, clazz) > 1) {
return new GenericTypeInfo<>(clazz);
}
// check for arrays
if (clazz.isArray()) {
// primitive arrays: int[], byte[], ...
PrimitiveArrayTypeInfo<OUT> primitiveArrayInfo = PrimitiveArrayTypeInfo.getInfoFor(clazz);
if (primitiveArrayInfo != null) {
return primitiveArrayInfo;
}
// basic type arrays: String[], Integer[], Double[]
BasicArrayTypeInfo<OUT, ?> basicArrayInfo = BasicArrayTypeInfo.getInfoFor(clazz);
if (basicArrayInfo != null) {
return basicArrayInfo;
}
// object arrays
else {
TypeInformation<?> componentTypeInfo = createTypeInfoWithTypeHierarchy(typeHierarchy,
clazz.getComponentType(), in1Type, in2Type);
return ObjectArrayTypeInfo.getInfoFor(clazz, componentTypeInfo);
}
}
// check for writable types
if (isHadoopWritable(clazz)) {
return createHadoopWritableTypeInfo(clazz);
}
// check for basic types
TypeInformation<OUT> basicTypeInfo = BasicTypeInfo.getInfoFor(clazz);
if (basicTypeInfo != null) {
return basicTypeInfo;
}
// check for SQL time types
TypeInformation<OUT> timeTypeInfo = SqlTimeTypeInfo.getInfoFor(clazz);
if (timeTypeInfo != null) {
return timeTypeInfo;
}
// check for subclasses of Value
if (Value.class.isAssignableFrom(clazz)) {
Class<? extends Value> valueClass = clazz.asSubclass(Value.class);
return (TypeInformation<OUT>) ValueTypeInfo.getValueTypeInfo(valueClass);
}
// check for subclasses of Tuple
if (Tuple.class.isAssignableFrom(clazz)) {
if (clazz == Tuple0.class) {
return new TupleTypeInfo(Tuple0.class);
}
throw new InvalidTypesException(
"Type information extraction for tuples (except Tuple0) cannot be done based on the class.");
}
// check for Enums
if (Enum.class.isAssignableFrom(clazz)) {
return new EnumTypeInfo(clazz);
}
// special case for POJOs generated by Avro.
if (SpecificRecordBase.class.isAssignableFrom(clazz)) {
return new AvroTypeInfo(clazz);
}
if (Modifier.isInterface(clazz.getModifiers())) {
// Interface has no members and is therefore not handled as POJO
return new GenericTypeInfo<OUT>(clazz);
}
try {
TypeInformation<OUT> pojoType = analyzePojo(clazz, new ArrayList<Type>(typeHierarchy),
parameterizedType, in1Type, in2Type);
if (pojoType != null) {
return pojoType;
}
} catch (InvalidTypesException e) {
if (LOG.isDebugEnabled()) {
LOG.debug("Unable to handle type " + clazz + " as POJO. Message: " + e.getMessage(), e);
}
// ignore and create generic type info
}
// return a generic type
return new GenericTypeInfo<OUT>(clazz);
}
From source file:org.codehaus.enunciate.modules.rest.RESTOperation.java
/** * Construct a REST operation.//from w ww.j a v a 2 s . c o m * * @param resource The resource for this operation. * @param contentType The content type of the operation. * @param verb The verb for the operation. * @param method The method. * @param parameterNames The parameter names. */ protected RESTOperation(RESTResource resource, String contentType, VerbType verb, Method method, String[] parameterNames) { this.resource = resource; this.verb = verb; this.method = method; this.contentType = contentType; int properNounIndex = -1; Class properNoun = null; Boolean properNounOptional = null; int nounValueIndex = -1; Class nounValue = null; Boolean nounValueOptional = Boolean.FALSE; int contentTypeParameterIndex = -1; adjectiveTypes = new HashMap<String, Class>(); adjectiveIndices = new HashMap<String, Integer>(); adjectivesOptional = new HashMap<String, Boolean>(); complexAdjectives = new ArrayList<String>(); contextParameterTypes = new HashMap<String, Class>(); contextParameterIndices = new HashMap<String, Integer>(); Class[] parameterTypes = method.getParameterTypes(); HashSet<Class> contextClasses = new HashSet<Class>(); for (int i = 0; i < parameterTypes.length; i++) { Class parameterType = Collection.class.isAssignableFrom(parameterTypes[i]) ? getCollectionTypeAsArrayType(method, i) : parameterTypes[i]; boolean isAdjective = true; String adjectiveName = "arg" + i; if ((parameterNames != null) && (parameterNames.length > i) && (parameterNames[i] != null)) { adjectiveName = parameterNames[i]; } boolean adjectiveOptional = !parameterType.isPrimitive(); boolean adjectiveComplex = false; Annotation[] parameterAnnotations = method.getParameterAnnotations()[i]; for (Annotation annotation : parameterAnnotations) { if (annotation instanceof ProperNoun) { if (parameterType.isArray()) { throw new IllegalStateException( "Proper nouns must be simple types, found an array or collection for parameter " + i + " of method " + method.getDeclaringClass().getName() + "." + method.getName() + "."); } else if (properNoun == null) { ProperNoun properNounInfo = (ProperNoun) annotation; if (properNounInfo.optional()) { if (parameterType.isPrimitive()) { throw new IllegalStateException( "An optional proper noun cannot be a primitive type for method " + method.getDeclaringClass().getName() + "." + method.getName() + "."); } properNounOptional = true; } if (!properNounInfo.converter().equals(ProperNoun.DEFAULT.class)) { try { ConvertUtils.register((Converter) properNounInfo.converter().newInstance(), parameterType); } catch (ClassCastException e) { throw new IllegalArgumentException("Illegal converter class for method " + method.getDeclaringClass().getName() + "." + method.getName() + ". Must be an instance of org.apache.commons.beanutils.Converter."); } catch (Exception e) { throw new IllegalArgumentException("Unable to instantiate converter class " + properNounInfo.converter().getName() + " on method " + method.getDeclaringClass().getName() + "." + method.getName() + ".", e); } } properNoun = parameterType; properNounIndex = i; isAdjective = false; break; } else { throw new IllegalStateException("There are two proper nouns for method " + method.getDeclaringClass().getName() + "." + method.getName() + "."); } } else if (annotation instanceof NounValue) { if ((!parameterType.isAnnotationPresent(XmlRootElement.class)) && (!parameterType.equals(DataHandler.class)) && (!(parameterType.isArray() && parameterType.getComponentType().equals(DataHandler.class)))) { LOG.warn( "Enunciate doesn't support unmarshalling objects of type " + parameterType.getName() + ". Unless a custom content type handler is provided, this operation (" + method.getDeclaringClass() + "." + method.getName() + ") will fail."); } if (nounValue == null) { if (((NounValue) annotation).optional()) { if (parameterType.isPrimitive()) { throw new IllegalStateException( "An optional noun value cannot be a primitive type for method " + method.getDeclaringClass().getName() + "." + method.getName() + "."); } nounValueOptional = true; } nounValue = parameterType; nounValueIndex = i; isAdjective = false; break; } else { throw new IllegalStateException("There are two proper nouns for method " + method.getDeclaringClass().getName() + "." + method.getName() + "."); } } else if (annotation instanceof ContextParameter) { ContextParameter contextParameterInfo = (ContextParameter) annotation; String contextParameterName = contextParameterInfo.value(); if (!contextParameterInfo.converter().equals(ContextParameter.DEFAULT.class)) { try { ConvertUtils.register((Converter) contextParameterInfo.converter().newInstance(), parameterType); } catch (ClassCastException e) { throw new IllegalArgumentException("Illegal converter class for method " + method.getDeclaringClass().getName() + "." + method.getName() + ". Must be an instance of org.apache.commons.beanutils.Converter."); } catch (Exception e) { throw new IllegalArgumentException( "Unable to instantiate converter class " + contextParameterInfo.converter().getName() + " on method " + method.getDeclaringClass().getName() + "." + method.getName() + ".", e); } } contextParameterTypes.put(contextParameterName, parameterType); contextParameterIndices.put(contextParameterName, i); isAdjective = false; break; } else if (annotation instanceof ContentTypeParameter) { contentTypeParameterIndex = i; isAdjective = false; break; } else if (annotation instanceof Adjective) { Adjective adjectiveInfo = (Adjective) annotation; adjectiveOptional = adjectiveInfo.optional(); if (adjectiveOptional && parameterType.isPrimitive()) { throw new IllegalStateException( "An optional adjective cannot be a primitive type for method " + method.getDeclaringClass().getName() + "." + method.getName() + "."); } if (!"##default".equals(adjectiveInfo.name())) { adjectiveName = adjectiveInfo.name(); } adjectiveComplex = adjectiveInfo.complex(); if (!adjectiveInfo.converter().equals(Adjective.DEFAULT.class)) { try { ConvertUtils.register((Converter) adjectiveInfo.converter().newInstance(), parameterType); } catch (ClassCastException e) { throw new IllegalArgumentException("Illegal converter class for method " + method.getDeclaringClass().getName() + "." + method.getName() + ". Must be an instance of org.apache.commons.beanutils.Converter."); } catch (Exception e) { throw new IllegalArgumentException("Unable to instantiate converter class " + adjectiveInfo.converter().getName() + " on method " + method.getDeclaringClass().getName() + "." + method.getName() + ".", e); } } break; } } if (isAdjective) { this.adjectiveTypes.put(adjectiveName, parameterType); this.adjectiveIndices.put(adjectiveName, i); this.adjectivesOptional.put(adjectiveName, adjectiveOptional); if (adjectiveComplex) { this.complexAdjectives.add(adjectiveName); } } if (parameterType.isArray()) { contextClasses.add(parameterType.getComponentType()); } else { contextClasses.add(parameterType); } } Class returnType = null; if (!Void.TYPE.equals(method.getReturnType())) { returnType = method.getReturnType(); if (!returnType.isAnnotationPresent(XmlRootElement.class) && (!DataHandler.class.isAssignableFrom(returnType))) { LOG.warn("Enunciate doesn't support marshalling objects of type " + returnType.getName() + ". Unless a custom content type handler is provided, this operation (" + method.getDeclaringClass() + "." + method.getName() + ") will fail."); } contextClasses.add(returnType); } for (Class exceptionClass : method.getExceptionTypes()) { for (Method exceptionMethod : exceptionClass.getMethods()) { if ((exceptionMethod.isAnnotationPresent(RESTErrorBody.class)) && (exceptionMethod.getReturnType() != Void.TYPE)) { //add the error body to the context classes. contextClasses.add(exceptionMethod.getReturnType()); } } } //now load any additional context classes as specified by @RESTSeeAlso if (method.isAnnotationPresent(RESTSeeAlso.class)) { contextClasses.addAll(Arrays.asList(method.getAnnotation(RESTSeeAlso.class).value())); } if (method.getDeclaringClass().isAnnotationPresent(RESTSeeAlso.class)) { contextClasses .addAll(Arrays.asList(method.getDeclaringClass().getAnnotation(RESTSeeAlso.class).value())); } if ((method.getDeclaringClass().getPackage() != null) && (method.getDeclaringClass().getPackage().isAnnotationPresent(RESTSeeAlso.class))) { contextClasses.addAll(Arrays .asList(method.getDeclaringClass().getPackage().getAnnotation(RESTSeeAlso.class).value())); } String jsonpParameter = null; JSONP jsonpInfo = method.getAnnotation(JSONP.class); if (jsonpInfo == null) { jsonpInfo = method.getDeclaringClass().getAnnotation(JSONP.class); if (jsonpInfo == null) { jsonpInfo = method.getDeclaringClass().getPackage().getAnnotation(JSONP.class); } } if (jsonpInfo != null) { jsonpParameter = jsonpInfo.paramName(); } String charset = "utf-8"; org.codehaus.enunciate.rest.annotations.ContentType contentTypeInfo = method .getAnnotation(org.codehaus.enunciate.rest.annotations.ContentType.class); if (contentTypeInfo == null) { contentTypeInfo = method.getDeclaringClass() .getAnnotation(org.codehaus.enunciate.rest.annotations.ContentType.class); if (contentTypeInfo == null) { contentTypeInfo = method.getDeclaringClass().getPackage() .getAnnotation(org.codehaus.enunciate.rest.annotations.ContentType.class); } } if (contentTypeInfo != null) { charset = contentTypeInfo.charset(); } String defaultNamespace = ""; if (method.getDeclaringClass().getPackage() != null && method.getDeclaringClass().getPackage().isAnnotationPresent(XmlSchema.class)) { defaultNamespace = method.getDeclaringClass().getPackage().getAnnotation(XmlSchema.class).namespace(); } this.properNounType = properNoun; this.properNounIndex = properNounIndex; this.properNounOptional = properNounOptional; this.nounValueType = nounValue; this.nounValueIndex = nounValueIndex; this.nounValueOptional = nounValueOptional; this.resultType = returnType; this.charset = charset; this.JSONPParameter = jsonpParameter; this.contextClasses = contextClasses; this.contentTypeParameterIndex = contentTypeParameterIndex; this.defaultNamespace = defaultNamespace; }
From source file:org.debux.webmotion.server.handler.ExecutorParametersConvertorHandler.java
protected Object convert(ParameterTree parameterTree, Class<?> type, Type genericType) throws Exception { Object result = null;//ww w. j a v a 2 s . com if (parameterTree == null) { return null; } if (genericType == null) { genericType = type.getGenericSuperclass(); } Map<String, List<ParameterTree>> parameterArray = parameterTree.getArray(); Map<String, ParameterTree> parameterObject = parameterTree.getObject(); Object value = parameterTree.getValue(); Converter lookup = converter.lookup(type); if (lookup != null) { // converter found, use it result = lookup.convert(type, value); return result; } // Manage enums if (type.isEnum()) { Object name = value == null ? null : ((Object[]) value)[0]; if (name != null) { result = Enum.valueOf((Class<? extends Enum>) type, name.toString()); } // Manage collection } else if (Collection.class.isAssignableFrom(type)) { Collection instance; if (type.isInterface()) { if (List.class.isAssignableFrom(type)) { instance = new ArrayList(); } else if (Set.class.isAssignableFrom(type)) { instance = new HashSet(); } else if (SortedSet.class.isAssignableFrom(type)) { instance = new TreeSet(); } else { instance = new ArrayList(); } } else { instance = (Collection) type.newInstance(); } Class convertType = String.class; if (genericType != null && genericType instanceof ParameterizedType) { ParameterizedType parameterizedType = (ParameterizedType) genericType; convertType = (Class) parameterizedType.getActualTypeArguments()[0]; } if (parameterObject != null) { for (Map.Entry<String, ParameterTree> entry : parameterObject.entrySet()) { ParameterTree object = entry.getValue(); Object converted = convert(object, convertType, null); instance.add(converted); } } else { Object[] tab = (Object[]) value; for (Object object : tab) { Object converted = converter.convert(object, convertType); instance.add(converted); } } result = instance; // Manage map } else if (Map.class.isAssignableFrom(type)) { Map instance; if (type.isInterface()) { if (SortedMap.class.isAssignableFrom(type)) { instance = new TreeMap(); } else { instance = new HashMap(); } } else { instance = (Map) type.newInstance(); } Class convertKeyType = String.class; Class convertValueType = String.class; if (genericType != null && genericType instanceof ParameterizedType) { ParameterizedType parameterizedType = (ParameterizedType) genericType; convertKeyType = (Class) parameterizedType.getActualTypeArguments()[0]; convertValueType = (Class) parameterizedType.getActualTypeArguments()[1]; } for (Map.Entry<String, ParameterTree> entry : parameterObject.entrySet()) { String mapKey = entry.getKey(); ParameterTree mapValue = entry.getValue(); Object convertedKey = converter.convert(mapKey, convertKeyType); Object convertedValue = convert(mapValue, convertValueType, null); instance.put(convertedKey, convertedValue); } result = instance; // Manage simple object } else if (type.isArray()) { Class<?> componentType = type.getComponentType(); if (parameterObject != null) { Object[] tabConverted = (Object[]) Array.newInstance(componentType, parameterObject.size()); result = tabConverted; int index = 0; for (Map.Entry<String, ParameterTree> entry : parameterObject.entrySet()) { ParameterTree object = entry.getValue(); Object objectConverted = convert(object, componentType, null); tabConverted[index] = objectConverted; index++; } } else { Object[] tab = (Object[]) value; Object[] tabConverted = (Object[]) Array.newInstance(componentType, tab.length); result = tabConverted; for (int index = 0; index < tab.length; index++) { Object object = tab[index]; Object objectConverted = converter.convert(object, componentType); tabConverted[index] = objectConverted; } } } else if (value instanceof UploadFile) { if (File.class.isAssignableFrom(type)) { UploadFile uploadFile = (UploadFile) value; result = uploadFile.getFile(); } else { result = value; } // Manage simple object } else { Object instance = type.newInstance(); boolean one = false; if (parameterObject != null) { for (Map.Entry<String, ParameterTree> attribut : parameterObject.entrySet()) { String attributeName = attribut.getKey(); ParameterTree attributeValue = attribut.getValue(); boolean writeable = propertyUtils.isWriteable(instance, attributeName); if (writeable) { one = true; Field field = FieldUtils.getField(type, attributeName, true); Class<?> attributeType = field.getType(); genericType = field.getGenericType(); Object attributeConverted = convert(attributeValue, attributeType, genericType); beanUtil.setProperty(instance, attributeName, attributeConverted); } } } if (parameterArray != null) { for (Map.Entry<String, List<ParameterTree>> entry : parameterArray.entrySet()) { String attributeName = entry.getKey(); List<ParameterTree> attributeValues = entry.getValue(); boolean writeable = propertyUtils.isWriteable(instance, attributeName); if (writeable) { one = true; Field field = FieldUtils.getField(type, attributeName, true); Class<?> attributeType = field.getType(); genericType = field.getGenericType(); Object attributeConverted = convert(attributeValues, attributeType, genericType); beanUtil.setProperty(instance, attributeName, attributeConverted); } } } if (one) { result = instance; } else { result = null; } } return result; }
From source file:com.bstek.dorado.idesupport.initializer.CommonRuleTemplateInitializer.java
protected Collection<AutoPropertyTemplate> getProperties(Class<?> type, XmlNodeInfo xmlNodeInfo, InitializerContext initializerContext) throws Exception { HashMap<String, AutoPropertyTemplate> properties = new LinkedHashMap<String, AutoPropertyTemplate>(); RuleTemplateManager ruleTemplateManager = initializerContext.getRuleTemplateManager(); if (xmlNodeInfo != null) { if (xmlNodeInfo.isInheritable()) { AutoPropertyTemplate propertyTemplate = new AutoPropertyTemplate("impl"); propertyTemplate.setPrimitive(true); properties.put(propertyTemplate.getName(), propertyTemplate); propertyTemplate = new AutoPropertyTemplate("parent"); propertyTemplate.setPrimitive(true); properties.put(propertyTemplate.getName(), propertyTemplate); }/*from ww w .jav a 2 s . c o m*/ if (xmlNodeInfo.isScopable()) { AutoPropertyTemplate propertyTemplate = new AutoPropertyTemplate("scope"); propertyTemplate.setPrimitive(true); Object[] ecs = Scope.class.getEnumConstants(); String[] enumValues = new String[ecs.length]; for (int i = 0; i < ecs.length; i++) { enumValues[i] = ecs[i].toString(); } propertyTemplate.setEnumValues(enumValues); properties.put(propertyTemplate.getName(), propertyTemplate); } if (StringUtils.isNotEmpty(xmlNodeInfo.getDefinitionType())) { Class<?> definitionType = ClassUtils.forName(xmlNodeInfo.getDefinitionType()); if (ListenableObjectDefinition.class.isAssignableFrom(definitionType)) { AutoPropertyTemplate propertyTemplate = new AutoPropertyTemplate("listener"); propertyTemplate.setPrimitive(true); properties.put(propertyTemplate.getName(), propertyTemplate); } if (InterceptableDefinition.class.isAssignableFrom(definitionType)) { AutoPropertyTemplate propertyTemplate = new AutoPropertyTemplate("interceptor"); propertyTemplate.setPrimitive(true); properties.put(propertyTemplate.getName(), propertyTemplate); } } for (Map.Entry<String, String> entry : xmlNodeInfo.getFixedProperties().entrySet()) { String propertyName = entry.getKey(); String value = entry.getValue(); AutoPropertyTemplate propertyTemplate = new AutoPropertyTemplate(propertyName); propertyTemplate.setDefaultValue(value); propertyTemplate.setPrimitive(true); propertyTemplate.setFixed(true); propertyTemplate.setVisible(false); properties.put(propertyName, propertyTemplate); } for (Map.Entry<String, XmlProperty> entry : xmlNodeInfo.getProperties().entrySet()) { String propertyName = entry.getKey(); XmlProperty xmlProperty = entry.getValue(); TypeInfo propertyTypeInfo = TypeInfo.parse(xmlProperty.propertyType()); Class<?> propertyType = null; if (propertyTypeInfo != null) { propertyType = propertyTypeInfo.getType(); } AutoPropertyTemplate propertyTemplate = new AutoPropertyTemplate(propertyName, xmlProperty); propertyTemplate.setPrimitive(xmlProperty.attributeOnly()); if (propertyType != null && !propertyType.equals(String.class)) { propertyTemplate.setType(propertyType.getName()); } if (xmlProperty.composite()) { initCompositeProperty(propertyTemplate, propertyType, initializerContext); } propertyTemplate.setDeprecated(xmlProperty.deprecated()); properties.put(propertyName, propertyTemplate); } } PropertyDescriptor[] propertyDescriptors = PropertyUtils.getPropertyDescriptors(type); for (PropertyDescriptor propertyDescriptor : propertyDescriptors) { Method readMethod = propertyDescriptor.getReadMethod(); if (readMethod != null && propertyDescriptor.getWriteMethod() != null) { if (readMethod.getDeclaringClass() != type) { try { readMethod = type.getDeclaredMethod(readMethod.getName(), readMethod.getParameterTypes()); } catch (NoSuchMethodException e) { continue; } } String propertyName = propertyDescriptor.getName(); XmlSubNode xmlSubNode = readMethod.getAnnotation(XmlSubNode.class); if (xmlSubNode != null) { continue; } TypeInfo propertyTypeInfo; Class<?> propertyType = propertyDescriptor.getPropertyType(); if (Collection.class.isAssignableFrom(propertyType)) { propertyTypeInfo = TypeInfo.parse((ParameterizedType) readMethod.getGenericReturnType(), true); propertyType = propertyTypeInfo.getType(); } else { propertyTypeInfo = new TypeInfo(propertyType, false); } AutoPropertyTemplate propertyTemplate = null; XmlProperty xmlProperty = readMethod.getAnnotation(XmlProperty.class); if (xmlProperty != null) { if (xmlProperty.unsupported()) { continue; } propertyTemplate = properties.get(propertyName); if (propertyTemplate == null) { propertyTemplate = new AutoPropertyTemplate(propertyName, readMethod, xmlProperty); propertyTemplate.setPrimitive(xmlProperty.attributeOnly()); } if (("dataSet".equals(propertyName) || "dataPath".equals(propertyName) || "property".equals(propertyName)) && DataControl.class.isAssignableFrom(type)) { propertyTemplate.setHighlight(1); } if (xmlProperty.composite()) { initCompositeProperty(propertyTemplate, propertyType, initializerContext); } int clientTypes = ClientType.parseClientTypes(xmlProperty.clientTypes()); if (clientTypes > 0) { propertyTemplate.setClientTypes(clientTypes); } propertyTemplate.setDeprecated(xmlProperty.deprecated()); } else if (EntityUtils.isSimpleType(propertyType) || propertyType.equals(Class.class) || propertyType.isArray() && propertyType.getComponentType().equals(String.class)) { propertyTemplate = new AutoPropertyTemplate(propertyName, readMethod, xmlProperty); } if (propertyTemplate != null) { propertyTemplate.setType(propertyDescriptor.getPropertyType().getName()); if (propertyType.isEnum()) { Object[] ecs = propertyType.getEnumConstants(); String[] enumValues = new String[ecs.length]; for (int i = 0; i < ecs.length; i++) { enumValues[i] = ecs[i].toString(); } propertyTemplate.setEnumValues(enumValues); } ComponentReference componentReference = readMethod.getAnnotation(ComponentReference.class); if (componentReference != null) { ReferenceTemplate referenceTemplate = new LazyReferenceTemplate(ruleTemplateManager, componentReference.value(), "id"); propertyTemplate.setReference(referenceTemplate); } IdeProperty ideProperty = readMethod.getAnnotation(IdeProperty.class); if (ideProperty != null) { propertyTemplate.setVisible(ideProperty.visible()); propertyTemplate.setEditor(ideProperty.editor()); propertyTemplate.setHighlight(ideProperty.highlight()); if (StringUtils.isNotEmpty(ideProperty.enumValues())) { propertyTemplate.setEnumValues(StringUtils.split(ideProperty.enumValues(), ",;")); } } ClientProperty clientProperty = readMethod.getAnnotation(ClientProperty.class); if (clientProperty != null) { propertyTemplate.setDefaultValue(clientProperty.escapeValue()); } properties.put(propertyName, propertyTemplate); } } } return properties.values(); }
From source file:javadz.beanutils.BeanUtilsBean.java
/** * <p>Set the specified property value, performing type conversions as * required to conform to the type of the destination property.</p> * * <p>If the property is read only then the method returns * without throwing an exception.</p> * * <p>If <code>null</code> is passed into a property expecting a primitive value, * then this will be converted as if it were a <code>null</code> string.</p> * * <p><strong>WARNING</strong> - The logic of this method is customized * to meet the needs of <code>populate()</code>, and is probably not what * you want for general property copying with type conversion. For that * purpose, check out the <code>copyProperty()</code> method instead.</p> * * <p><strong>WARNING</strong> - PLEASE do not modify the behavior of this * method without consulting with the Struts developer community. There * are some subtleties to its functionality that are not documented in the * Javadoc description above, yet are vital to the way that Struts utilizes * this method.</p>//from www . j a va2 s.c o m * * @param bean Bean on which setting is to be performed * @param name Property name (can be nested/indexed/mapped/combo) * @param value Value to be set * * @exception IllegalAccessException if the caller does not have * access to the property accessor method * @exception InvocationTargetException if the property accessor method * throws an exception */ public void setProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException { // Trace logging (if enabled) if (log.isTraceEnabled()) { StringBuffer sb = new StringBuffer(" setProperty("); sb.append(bean); sb.append(", "); sb.append(name); sb.append(", "); if (value == null) { sb.append("<NULL>"); } else if (value instanceof String) { sb.append((String) value); } else if (value instanceof String[]) { String[] values = (String[]) value; sb.append('['); for (int i = 0; i < values.length; i++) { if (i > 0) { sb.append(','); } sb.append(values[i]); } sb.append(']'); } else { sb.append(value.toString()); } sb.append(')'); log.trace(sb.toString()); } // Resolve any nested expression to get the actual target bean Object target = bean; Resolver resolver = getPropertyUtils().getResolver(); while (resolver.hasNested(name)) { try { target = getPropertyUtils().getProperty(target, resolver.next(name)); name = resolver.remove(name); } catch (NoSuchMethodException e) { return; // Skip this property setter } } if (log.isTraceEnabled()) { log.trace(" Target bean = " + target); log.trace(" Target name = " + name); } // Declare local variables we will require String propName = resolver.getProperty(name); // Simple name of target property Class type = null; // Java type of target property int index = resolver.getIndex(name); // Indexed subscript value (if any) String key = resolver.getKey(name); // Mapped key value (if any) // Calculate the property type if (target instanceof DynaBean) { DynaClass dynaClass = ((DynaBean) target).getDynaClass(); DynaProperty dynaProperty = dynaClass.getDynaProperty(propName); if (dynaProperty == null) { return; // Skip this property setter } type = dynaProperty.getType(); } else if (target instanceof Map) { type = Object.class; } else if (target != null && target.getClass().isArray() && index >= 0) { type = Array.get(target, index).getClass(); } else { PropertyDescriptor descriptor = null; try { descriptor = getPropertyUtils().getPropertyDescriptor(target, name); if (descriptor == null) { return; // Skip this property setter } } catch (NoSuchMethodException e) { return; // Skip this property setter } if (descriptor instanceof MappedPropertyDescriptor) { if (((MappedPropertyDescriptor) descriptor).getMappedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((MappedPropertyDescriptor) descriptor).getMappedPropertyType(); } else if (index >= 0 && descriptor instanceof IndexedPropertyDescriptor) { if (((IndexedPropertyDescriptor) descriptor).getIndexedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((IndexedPropertyDescriptor) descriptor).getIndexedPropertyType(); } else if (key != null) { if (descriptor.getReadMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = (value == null) ? Object.class : value.getClass(); } else { if (descriptor.getWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = descriptor.getPropertyType(); } } // Convert the specified value to the required type Object newValue = null; if (type.isArray() && (index < 0)) { // Scalar value into array if (value == null) { String[] values = new String[1]; values[0] = null; newValue = getConvertUtils().convert(values, type); } else if (value instanceof String) { newValue = getConvertUtils().convert(value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert((String[]) value, type); } else { newValue = convert(value, type); } } else if (type.isArray()) { // Indexed value into array if (value instanceof String || value == null) { newValue = getConvertUtils().convert((String) value, type.getComponentType()); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type.getComponentType()); } else { newValue = convert(value, type.getComponentType()); } } else { // Value into scalar if (value instanceof String) { newValue = getConvertUtils().convert((String) value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type); } else { newValue = convert(value, type); } } // Invoke the setter method try { getPropertyUtils().setProperty(target, name, newValue); } catch (NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } }
From source file:org.evergreen.web.utils.beanutils.BeanUtilsBean.java
/** * <p>Set the specified property value, performing type conversions as * required to conform to the type of the destination property.</p> * * <p>If the property is read only then the method returns * without throwing an exception.</p> * * <p>If <code>null</code> is passed into a property expecting a primitive value, * then this will be converted as if it were a <code>null</code> string.</p> * * <p><strong>WARNING</strong> - The logic of this method is customized * to meet the needs of <code>populate()</code>, and is probably not what * you want for general property copying with type conversion. For that * purpose, check out the <code>copyProperty()</code> method instead.</p> * * <p><strong>WARNING</strong> - PLEASE do not modify the behavior of this * method without consulting with the Struts developer community. There * are some subtleties to its functionality that are not documented in the * Javadoc description above, yet are vital to the way that Struts utilizes * this method.</p>/*from w w w .j ava2s. c o m*/ * * @param bean Bean on which setting is to be performed * @param name Property name (can be nested/indexed/mapped/combo) * @param value Value to be set * * @exception IllegalAccessException if the caller does not have * access to the property accessor method * @exception InvocationTargetException if the property accessor method * throws an exception */ public void setProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException { // Trace logging (if enabled) if (log.isTraceEnabled()) { StringBuffer sb = new StringBuffer(" setProperty("); sb.append(bean); sb.append(", "); sb.append(name); sb.append(", "); if (value == null) { sb.append("<NULL>"); } else if (value instanceof String) { sb.append((String) value); } else if (value instanceof String[]) { String[] values = (String[]) value; sb.append('['); for (int i = 0; i < values.length; i++) { if (i > 0) { sb.append(','); } sb.append(values[i]); } sb.append(']'); } else { sb.append(value.toString()); } sb.append(')'); log.trace(sb.toString()); } // Resolve any nested expression to get the actual target bean Object target = bean; Resolver resolver = getPropertyUtils().getResolver(); while (resolver.hasNested(name)) { try { target = getPropertyUtils().getProperty(target, resolver.next(name)); name = resolver.remove(name); } catch (NoSuchMethodException e) { return; // Skip this property setter } } if (log.isTraceEnabled()) { log.trace(" Target bean = " + target); log.trace(" Target name = " + name); } // Declare local variables we will require String propName = resolver.getProperty(name); // Simple name of target property Class type = null; // Java type of target property int index = resolver.getIndex(name); // Indexed subscript value (if any) String key = resolver.getKey(name); // Mapped key value (if any) // Calculate the property type if (target instanceof DynaBean) { DynaClass dynaClass = ((DynaBean) target).getDynaClass(); DynaProperty dynaProperty = dynaClass.getDynaProperty(propName); if (dynaProperty == null) { return; // Skip this property setter } type = dynaProperty.getType(); } else if (target instanceof Map) { type = Object.class; } else if (target != null && target.getClass().isArray() && index >= 0) { type = Array.get(target, index).getClass(); } else { PropertyDescriptor descriptor = null; try { descriptor = getPropertyUtils().getPropertyDescriptor(target, name); if (descriptor == null) { return; // Skip this property setter } } catch (NoSuchMethodException e) { return; // Skip this property setter } if (descriptor instanceof MappedPropertyDescriptor) { if (((MappedPropertyDescriptor) descriptor).getMappedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((MappedPropertyDescriptor) descriptor).getMappedPropertyType(); } else if (index >= 0 && descriptor instanceof IndexedPropertyDescriptor) { if (((IndexedPropertyDescriptor) descriptor).getIndexedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((IndexedPropertyDescriptor) descriptor).getIndexedPropertyType(); } else if (key != null) { if (descriptor.getReadMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = (value == null) ? Object.class : value.getClass(); } else { if (descriptor.getWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = descriptor.getPropertyType(); } } // Convert the specified value to the required type Object newValue = null; if (type.isArray() && (index < 0)) { // Scalar value into array if (value == null) { String[] values = new String[1]; values[0] = null; newValue = getConvertUtils().convert(values, type); } else if (value instanceof String) { newValue = getConvertUtils().convert(value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert((String[]) value, type); } else { newValue = convert(value, type); } } else if (type.isArray()) { // Indexed value into array if (value instanceof String || value == null) { newValue = getConvertUtils().convert((String) value, type.getComponentType()); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type.getComponentType()); } else { newValue = convert(value, type.getComponentType()); } } else { // Value into scalar if (value instanceof String) { newValue = getConvertUtils().convert((String) value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type); } else { newValue = convert(value, type); } } // Invoke the setter method try { getPropertyUtils().setProperty(target, name, newValue); } catch (NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } }
From source file:org.enerj.apache.commons.beanutils.BeanUtilsBean.java
/** * <p>Set the specified property value, performing type conversions as * required to conform to the type of the destination property.</p> * * <p>If the property is read only then the method returns * without throwing an exception.</p> * * <p>If <code>null</code> is passed into a property expecting a primitive value, * then this will be converted as if it were a <code>null</code> string.</p> * * <p><strong>WARNING</strong> - The logic of this method is customized * to meet the needs of <code>populate()</code>, and is probably not what * you want for general property copying with type conversion. For that * purpose, check out the <code>copyProperty()</code> method instead.</p> * * <p><strong>WARNING</strong> - PLEASE do not modify the behavior of this * method without consulting with the Struts developer community. There * are some subtleties to its functionality that are not documented in the * Javadoc description above, yet are vital to the way that Struts utilizes * this method.</p>//from w w w . jav a 2 s . c om * * @param bean Bean on which setting is to be performed * @param name Property name (can be nested/indexed/mapped/combo) * @param value Value to be set * * @exception IllegalAccessException if the caller does not have * access to the property accessor method * @exception InvocationTargetException if the property accessor method * throws an exception */ public void setProperty(Object bean, String name, Object value) throws IllegalAccessException, InvocationTargetException { // Trace logging (if enabled) if (log.isTraceEnabled()) { StringBuffer sb = new StringBuffer(" setProperty("); sb.append(bean); sb.append(", "); sb.append(name); sb.append(", "); if (value == null) { sb.append("<NULL>"); } else if (value instanceof String) { sb.append((String) value); } else if (value instanceof String[]) { String values[] = (String[]) value; sb.append('['); for (int i = 0; i < values.length; i++) { if (i > 0) { sb.append(','); } sb.append(values[i]); } sb.append(']'); } else { sb.append(value.toString()); } sb.append(')'); log.trace(sb.toString()); } // Resolve any nested expression to get the actual target bean Object target = bean; int delim = findLastNestedIndex(name); if (delim >= 0) { try { target = getPropertyUtils().getProperty(bean, name.substring(0, delim)); } catch (NoSuchMethodException e) { return; // Skip this property setter } name = name.substring(delim + 1); if (log.isTraceEnabled()) { log.trace(" Target bean = " + target); log.trace(" Target name = " + name); } } // Declare local variables we will require String propName = null; // Simple name of target property Class type = null; // Java type of target property int index = -1; // Indexed subscript value (if any) String key = null; // Mapped key value (if any) // Calculate the property name, index, and key values propName = name; int i = propName.indexOf(PropertyUtils.INDEXED_DELIM); if (i >= 0) { int k = propName.indexOf(PropertyUtils.INDEXED_DELIM2); try { index = Integer.parseInt(propName.substring(i + 1, k)); } catch (NumberFormatException e) { ; } propName = propName.substring(0, i); } int j = propName.indexOf(PropertyUtils.MAPPED_DELIM); if (j >= 0) { int k = propName.indexOf(PropertyUtils.MAPPED_DELIM2); try { key = propName.substring(j + 1, k); } catch (IndexOutOfBoundsException e) { ; } propName = propName.substring(0, j); } // Calculate the property type if (target instanceof DynaBean) { DynaClass dynaClass = ((DynaBean) target).getDynaClass(); DynaProperty dynaProperty = dynaClass.getDynaProperty(propName); if (dynaProperty == null) { return; // Skip this property setter } type = dynaProperty.getType(); } else { PropertyDescriptor descriptor = null; try { descriptor = getPropertyUtils().getPropertyDescriptor(target, name); if (descriptor == null) { return; // Skip this property setter } } catch (NoSuchMethodException e) { return; // Skip this property setter } if (descriptor instanceof MappedPropertyDescriptor) { if (((MappedPropertyDescriptor) descriptor).getMappedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((MappedPropertyDescriptor) descriptor).getMappedPropertyType(); } else if (descriptor instanceof IndexedPropertyDescriptor) { if (((IndexedPropertyDescriptor) descriptor).getIndexedWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = ((IndexedPropertyDescriptor) descriptor).getIndexedPropertyType(); } else { if (descriptor.getWriteMethod() == null) { if (log.isDebugEnabled()) { log.debug("Skipping read-only property"); } return; // Read-only, skip this property setter } type = descriptor.getPropertyType(); } } // Convert the specified value to the required type Object newValue = null; if (type.isArray() && (index < 0)) { // Scalar value into array if (value == null) { String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert((String[]) values, type); } else if (value instanceof String) { String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert((String[]) values, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert((String[]) value, type); } else { newValue = value; } } else if (type.isArray()) { // Indexed value into array if (value instanceof String) { newValue = getConvertUtils().convert((String) value, type.getComponentType()); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type.getComponentType()); } else { newValue = value; } } else { // Value into scalar if ((value instanceof String) || (value == null)) { newValue = getConvertUtils().convert((String) value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type); } else if (getConvertUtils().lookup(value.getClass()) != null) { newValue = getConvertUtils().convert(value.toString(), type); } else { newValue = value; } } // Invoke the setter method try { if (index >= 0) { getPropertyUtils().setIndexedProperty(target, propName, index, newValue); } else if (key != null) { getPropertyUtils().setMappedProperty(target, propName, key, newValue); } else { getPropertyUtils().setProperty(target, propName, newValue); } } catch (NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } }
From source file:org.icelib.beans.ObjectMapping.java
@SuppressWarnings({ "unchecked", "restriction", "rawtypes" })
public static <V> V value(Object value, Class<V> targetClass, Object... constructorArgs) {
Transformer<Object, V> t = (Transformer<Object, V>) objectConverters
.get(new ClassKey(value.getClass(), targetClass));
if (t != null) {
return (V) (t.transform(value));
}// w w w . j av a2 s . co m
if (value instanceof Number) {
if (targetClass.equals(Long.class) || targetClass.equals(long.class)) {
return (V) ((Long) (((Number) value).longValue()));
} else if (targetClass.equals(Double.class) || targetClass.equals(double.class)) {
return (V) ((Double) (((Number) value).doubleValue()));
} else if (targetClass.equals(Integer.class) || targetClass.equals(int.class)) {
return (V) ((Integer) (((Number) value).intValue()));
} else if (targetClass.equals(Short.class) || targetClass.equals(short.class)) {
return (V) ((Short) (((Number) value).shortValue()));
} else if (targetClass.equals(Float.class) || targetClass.equals(float.class)) {
return (V) ((Float) (((Number) value).floatValue()));
} else if (targetClass.equals(Byte.class) || targetClass.equals(byte.class)) {
return (V) ((Byte) (((Number) value).byteValue()));
} else if (targetClass.equals(Boolean.class) || targetClass.equals(boolean.class)) {
return (V) ((Boolean) (((Number) value).intValue() != 0));
} else if (targetClass.equals(String.class)) {
return (V) (value.toString());
} else {
throw new IllegalArgumentException(
String.format("Cannot convert number %s to %s", value, targetClass));
}
} else if (value instanceof Boolean) {
return (V) (((Boolean) value));
} else if (value instanceof String) {
if (targetClass.equals(Long.class)) {
return (V) ((Long) Long.parseLong((String) value));
} else if (targetClass.equals(Double.class)) {
return (V) ((Double) Double.parseDouble((String) value));
} else if (targetClass.equals(Integer.class)) {
return (V) ((Integer) Integer.parseInt((String) value));
} else if (targetClass.equals(Short.class)) {
return (V) ((Short) Short.parseShort((String) value));
} else if (targetClass.equals(Float.class)) {
return (V) ((Float) Float.parseFloat((String) value));
} else if (targetClass.equals(Byte.class)) {
return (V) ((Byte) Byte.parseByte((String) value));
} else if (targetClass.equals(Boolean.class)) {
return (V) ((Boolean) Boolean.parseBoolean((String) value));
} else if (targetClass.equals(String.class)) {
return (V) (value.toString());
} else if (targetClass.isEnum()) {
for (V ev : targetClass.getEnumConstants()) {
if (ev.toString().toLowerCase().equalsIgnoreCase(value.toString())) {
return ev;
}
}
throw new IllegalArgumentException(String.format("Unknown enum %s in %s", value, targetClass));
} else {
// Maybe the target has a constructor that takes a string
try {
Constructor<V> con = targetClass.getConstructor(String.class);
return con.newInstance((String) value);
} catch (NoSuchMethodException nsme) {
// That's it, give up
throw new IllegalArgumentException(
String.format("Cannot convert string %s to %s", value, targetClass));
} catch (InstantiationException | IllegalAccessException | IllegalArgumentException
| InvocationTargetException e) {
throw new RuntimeException(e);
}
}
} else if (value instanceof Map) {
/*
* This covers ScriptObjectMirror from Nashorn which is a list AND a
* map describing an object or an array. It also covers ordinary map
* and lists
*/
if (isScriptNativeArray(value)) {
Collection<?> c = ((jdk.nashorn.api.scripting.ScriptObjectMirror) value).values();
if (c instanceof List && MappedList.class.isAssignableFrom(targetClass)) {
try {
V v = getTargetInstance(value, targetClass, constructorArgs);
for (Object o : ((List) c)) {
((List) v).add(o);
}
return v;
} catch (NoSuchMethodException e) {
throw new IllegalArgumentException(String.format(
"No zero-length constructor for class %s and no valid constructor args provided.",
targetClass));
} catch (InstantiationException | SecurityException | IllegalAccessException
| IllegalArgumentException | InvocationTargetException e) {
throw new RuntimeException(String.format("Could not construct %s", targetClass), e);
}
} else if ((List.class.isAssignableFrom(targetClass) && c instanceof List)
|| (Collection.class.isAssignableFrom(targetClass) && c instanceof Collection)) {
return (V) c;
} else if (Set.class.isAssignableFrom(targetClass)) {
return (V) new LinkedHashSet<Object>(c);
} else if (Collection.class.isAssignableFrom(targetClass)) {
return (V) new ArrayList<Object>(c);
} else if (targetClass.isArray()) {
return (V) c.toArray((Object[]) Array.newInstance(targetClass.getComponentType(), c.size()));
}
} else if (value instanceof List && List.class.isAssignableFrom(targetClass)) {
return (V) ((List<?>) value);
} else if (!isScriptNativeObject(value) && Map.class.isAssignableFrom(targetClass)) {
return (V) ((Map<?, ?>) value);
} else {
try {
V v = getTargetInstance(value, targetClass, constructorArgs);
ObjectMapper<?> m = new ObjectMapper<>(v);
try {
m.map((Map<String, Object>) value);
} catch (Exception e) {
throw new RuntimeException(String.format("Failed to map %s.", targetClass), e);
}
return v;
} catch (NoSuchMethodException e) {
throw new IllegalArgumentException(String.format(
"No zero-length constructor for class %s and no valid constructor args provided.",
targetClass));
} catch (InstantiationException | SecurityException | IllegalAccessException
| IllegalArgumentException | InvocationTargetException e) {
throw new RuntimeException(String.format("Could not construct %s", targetClass), e);
}
}
} else if (targetClass.isAssignableFrom(value.getClass())) {
return (V) value;
} else if (value instanceof Collection && List.class.isAssignableFrom(targetClass)) {
try {
V v = getTargetInstance(value, targetClass, constructorArgs);
((List) v).addAll((Collection) value);
return v;
} catch (InstantiationException | SecurityException | IllegalAccessException | IllegalArgumentException
| InvocationTargetException e) {
throw new RuntimeException(String.format("Could not construct %s", targetClass), e);
} catch (NoSuchMethodException nse) {
}
}
throw new IllegalArgumentException(
String.format("Cannot convert %s (%s) to %s", value, value.getClass(), targetClass));
}
From source file:org.apache.axis.utils.JavaUtils.java
/** Utility function to convert an Object to some desired Class. * * Right now this works for://w w w . j a v a 2s.co m * arrays <-> Lists, * Holders <-> held values * @param arg the array to convert * @param destClass the actual class we want */ public static Object convert(Object arg, Class destClass) { if (destClass == null) { return arg; } Class argHeldType = null; if (arg != null) { argHeldType = getHolderValueType(arg.getClass()); } if (arg != null && argHeldType == null && destClass.isAssignableFrom(arg.getClass())) { return arg; } if (log.isDebugEnabled()) { String clsName = "null"; if (arg != null) clsName = arg.getClass().getName(); log.debug(Messages.getMessage("convert00", clsName, destClass.getName())); } // See if a previously converted value is stored in the argument. Object destValue = null; if (arg instanceof ConvertCache) { destValue = ((ConvertCache) arg).getConvertedValue(destClass); if (destValue != null) return destValue; } // Get the destination held type or the argument held type if they exist Class destHeldType = getHolderValueType(destClass); // Convert between Axis special purpose HexBinary and byte[] if (arg instanceof HexBinary && destClass == byte[].class) { return ((HexBinary) arg).getBytes(); } else if (arg instanceof byte[] && destClass == HexBinary.class) { return new HexBinary((byte[]) arg); } // Convert between Calendar and Date if (arg instanceof Calendar && destClass == Date.class) { return ((Calendar) arg).getTime(); } if (arg instanceof Date && destClass == Calendar.class) { Calendar calendar = Calendar.getInstance(); calendar.setTime((Date) arg); return calendar; } // Convert between Calendar and java.sql.Date if (arg instanceof Calendar && destClass == java.sql.Date.class) { return new java.sql.Date(((Calendar) arg).getTime().getTime()); } // Convert between HashMap and Hashtable if (arg instanceof HashMap && destClass == Hashtable.class) { return new Hashtable((HashMap) arg); } // Convert an AttachmentPart to the given destination class. if (isAttachmentSupported() && (arg instanceof InputStream || arg instanceof AttachmentPart || arg instanceof DataHandler)) { try { String destName = destClass.getName(); if (destClass == String.class || destClass == OctetStream.class || destClass == byte[].class || destClass == Image.class || destClass == Source.class || destClass == DataHandler.class || destName.equals("javax.mail.internet.MimeMultipart")) { DataHandler handler = null; if (arg instanceof AttachmentPart) { handler = ((AttachmentPart) arg).getDataHandler(); } else if (arg instanceof DataHandler) { handler = (DataHandler) arg; } if (destClass == Image.class) { // Note: An ImageIO component is required to process an Image // attachment, but if the image would be null // (is.available == 0) then ImageIO component isn't needed // and we can return null. InputStream is = handler.getInputStream(); if (is.available() == 0) { return null; } else { ImageIO imageIO = ImageIOFactory.getImageIO(); if (imageIO != null) { return getImageFromStream(is); } else { log.info(Messages.getMessage("needImageIO")); return arg; } } } else if (destClass == javax.xml.transform.Source.class) { // For a reason unknown to me, the handler's // content is a String. Convert it to a // StreamSource. return new StreamSource(handler.getInputStream()); } else if (destClass == OctetStream.class || destClass == byte[].class) { InputStream in = null; if (arg instanceof InputStream) { in = (InputStream) arg; } else { in = handler.getInputStream(); } ByteArrayOutputStream baos = new ByteArrayOutputStream(); int byte1 = -1; while ((byte1 = in.read()) != -1) baos.write(byte1); return new OctetStream(baos.toByteArray()); } else if (destClass == DataHandler.class) { return handler; } else { return handler.getContent(); } } } catch (IOException ioe) { } catch (SOAPException se) { } } // If the destination is an array and the source // is a suitable component, return an array with // the single item. if (arg != null && destClass.isArray() && !destClass.getComponentType().equals(Object.class) && destClass.getComponentType().isAssignableFrom(arg.getClass())) { Object array = Array.newInstance(destClass.getComponentType(), 1); Array.set(array, 0, arg); return array; } // in case destClass is array and arg is ArrayOfT class. (ArrayOfT -> T[]) if (arg != null && destClass.isArray()) { Object newArg = ArrayUtil.convertObjectToArray(arg, destClass); if (newArg == null || (newArg != ArrayUtil.NON_CONVERTABLE && newArg != arg)) { return newArg; } } // in case arg is ArrayOfT and destClass is an array. (T[] -> ArrayOfT) if (arg != null && arg.getClass().isArray()) { Object newArg = ArrayUtil.convertArrayToObject(arg, destClass); if (newArg != null) return newArg; } // Return if no conversion is available if (!(arg instanceof Collection || (arg != null && arg.getClass().isArray())) && ((destHeldType == null && argHeldType == null) || (destHeldType != null && argHeldType != null))) { return arg; } // Take care of Holder conversion if (destHeldType != null) { // Convert arg into Holder holding arg. Object newArg = convert(arg, destHeldType); Object argHolder = null; try { argHolder = destClass.newInstance(); setHolderValue(argHolder, newArg); return argHolder; } catch (Exception e) { return arg; } } else if (argHeldType != null) { // Convert arg into the held type try { Object newArg = getHolderValue(arg); return convert(newArg, destClass); } catch (HolderException e) { return arg; } } // Flow to here indicates that neither arg or destClass is a Holder // Check to see if the argument has a prefered destination class. if (arg instanceof ConvertCache && ((ConvertCache) arg).getDestClass() != destClass) { Class hintClass = ((ConvertCache) arg).getDestClass(); if (hintClass != null && hintClass.isArray() && destClass.isArray() && destClass.isAssignableFrom(hintClass)) { destClass = hintClass; destValue = ((ConvertCache) arg).getConvertedValue(destClass); if (destValue != null) return destValue; } } if (arg == null) { return arg; } // The arg may be an array or List int length = 0; if (arg.getClass().isArray()) { length = Array.getLength(arg); } else { length = ((Collection) arg).size(); } if (destClass.isArray()) { if (destClass.getComponentType().isPrimitive()) { Object array = Array.newInstance(destClass.getComponentType(), length); // Assign array elements if (arg.getClass().isArray()) { for (int i = 0; i < length; i++) { Array.set(array, i, Array.get(arg, i)); } } else { int idx = 0; for (Iterator i = ((Collection) arg).iterator(); i.hasNext();) { Array.set(array, idx++, i.next()); } } destValue = array; } else { Object[] array; try { array = (Object[]) Array.newInstance(destClass.getComponentType(), length); } catch (Exception e) { return arg; } // Use convert to assign array elements. if (arg.getClass().isArray()) { for (int i = 0; i < length; i++) { array[i] = convert(Array.get(arg, i), destClass.getComponentType()); } } else { int idx = 0; for (Iterator i = ((Collection) arg).iterator(); i.hasNext();) { array[idx++] = convert(i.next(), destClass.getComponentType()); } } destValue = array; } } else if (Collection.class.isAssignableFrom(destClass)) { Collection newList = null; try { // if we are trying to create an interface, build something // that implements the interface if (destClass == Collection.class || destClass == List.class) { newList = new ArrayList(); } else if (destClass == Set.class) { newList = new HashSet(); } else { newList = (Collection) destClass.newInstance(); } } catch (Exception e) { // Couldn't build one for some reason... so forget it. return arg; } if (arg.getClass().isArray()) { for (int j = 0; j < length; j++) { newList.add(Array.get(arg, j)); } } else { for (Iterator j = ((Collection) arg).iterator(); j.hasNext();) { newList.add(j.next()); } } destValue = newList; } else { destValue = arg; } // Store the converted value in the argument if possible. if (arg instanceof ConvertCache) { ((ConvertCache) arg).setConvertedValue(destClass, destValue); } return destValue; }
From source file:nl.strohalm.cyclos.utils.binding.CustomBeanUtilsBean.java
@Override public void setProperty(final Object bean, String name, final Object value) throws IllegalAccessException, InvocationTargetException { // Resolve any nested expression to get the actual target bean Object target = bean;//from w w w .j a va 2 s . c o m final int delim = findLastNestedIndex(name); if (delim >= 0) { try { target = getPropertyUtils().getProperty(bean, name.substring(0, delim)); } catch (final NoSuchMethodException e) { return; // Skip this property setter } name = name.substring(delim + 1); } // Declare local variables we will require String propName = null; // Simple name of target property Class<?> type = null; // Java type of target property int index = -1; // Indexed subscript value (if any) String key = null; // Mapped key value (if any) // Calculate the property name, index, and key values propName = name; final int i = propName.indexOf(PropertyUtils.INDEXED_DELIM); if (i >= 0) { final int k = propName.indexOf(PropertyUtils.INDEXED_DELIM2); try { index = Integer.parseInt(propName.substring(i + 1, k)); } catch (final NumberFormatException e) { // Ignore } propName = propName.substring(0, i); } final int j = propName.indexOf(PropertyUtils.MAPPED_DELIM); if (j >= 0) { final int k = propName.indexOf(PropertyUtils.MAPPED_DELIM2); try { key = propName.substring(j + 1, k); } catch (final IndexOutOfBoundsException e) { // Ignore } propName = propName.substring(0, j); } // Calculate the property type if (target instanceof DynaBean) { final DynaClass dynaClass = ((DynaBean) target).getDynaClass(); final DynaProperty dynaProperty = dynaClass.getDynaProperty(propName); if (dynaProperty == null) { return; // Skip this property setter } type = dynaProperty.getType(); if (type.isArray() || Collection.class.isAssignableFrom(type)) { type = Object[].class; } } else { PropertyDescriptor descriptor = null; try { descriptor = getPropertyUtils().getPropertyDescriptor(target, name); if (descriptor == null) { return; // Skip this property setter } } catch (final NoSuchMethodException e) { return; // Skip this property setter } if (descriptor instanceof MappedPropertyDescriptor) { if (((MappedPropertyDescriptor) descriptor).getMappedWriteMethod() == null) { return; // Read-only, skip this property setter } type = ((MappedPropertyDescriptor) descriptor).getMappedPropertyType(); /** * Overriden behaviour ------------------- When a type is Object on a mapped property, retrieve the value to check if it's an array */ if (Object.class.equals(type)) { try { final Object retrieved = getPropertyUtils().getMappedProperty(target, propName, key); if (retrieved != null) { final Class<?> retrievedType = retrieved.getClass(); if (retrievedType.isArray() || Collection.class.isAssignableFrom(retrievedType)) { type = Object[].class; } } } catch (final NoSuchMethodException e) { throw new PropertyException(target, propName + "(" + key + ")"); } } } else if (descriptor instanceof IndexedPropertyDescriptor) { if (((IndexedPropertyDescriptor) descriptor).getIndexedWriteMethod() == null) { return; // Read-only, skip this property setter } type = ((IndexedPropertyDescriptor) descriptor).getIndexedPropertyType(); } else { if (descriptor.getWriteMethod() == null) { return; // Read-only, skip this property setter } type = descriptor.getPropertyType(); } } /** * Overriden behaviour ------------------- When a type is Map on a mapped property, retrieve the value to check if it's an array */ if (Map.class.isAssignableFrom(type) && StringUtils.isNotEmpty(key)) { try { final Map<?, ?> map = (Map<?, ?>) getPropertyUtils().getProperty(target, propName); final Object retrieved = map.get(key); if (retrieved != null) { final Class<?> retrievedType = retrieved.getClass(); if (retrievedType.isArray() || Collection.class.isAssignableFrom(retrievedType)) { type = Object[].class; } } } catch (final NoSuchMethodException e) { throw new PropertyException(target, propName + "(" + key + ")"); } } // Convert the specified value to the required type Object newValue = null; if (type.isArray() && (index < 0)) { // Scalar value into array if (value == null) { final String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert(values, type); } else if (value instanceof String) { final String values[] = new String[1]; values[0] = (String) value; newValue = getConvertUtils().convert(values, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert((String[]) value, type); } else { newValue = value; } } else if (type.isArray()) { // Indexed value into array if (value instanceof String) { newValue = getConvertUtils().convert((String) value, type.getComponentType()); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type.getComponentType()); } else { newValue = value; } } else { // Value into scalar if ((value instanceof String) || (value == null)) { newValue = getConvertUtils().convert((String) value, type); } else if (value instanceof String[]) { newValue = getConvertUtils().convert(((String[]) value)[0], type); } else if (getConvertUtils().lookup(value.getClass()) != null) { newValue = getConvertUtils().convert(value.toString(), type); } else { newValue = value; } } // Invoke the setter method try { if (index >= 0) { getPropertyUtils().setIndexedProperty(target, propName, index, newValue); } else if (key != null) { getPropertyUtils().setMappedProperty(target, propName, key, newValue); } else { getPropertyUtils().setProperty(target, propName, newValue); } } catch (final NoSuchMethodException e) { throw new InvocationTargetException(e, "Cannot set " + propName); } }