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From source file:com.sun.faces.el.impl.Coercions.java
/** * Coerces a String to the given primitive number class *//*from w ww . j a v a2s .c o m*/ static Number coerceToPrimitiveNumber(String pValue, Class pClass) throws ElException { if (pClass == Byte.class || pClass == Byte.TYPE) { return Byte.valueOf(pValue); } else if (pClass == Short.class || pClass == Short.TYPE) { return Short.valueOf(pValue); } else if (pClass == Integer.class || pClass == Integer.TYPE) { return Integer.valueOf(pValue); } else if (pClass == Long.class || pClass == Long.TYPE) { return Long.valueOf(pValue); } else if (pClass == Float.class || pClass == Float.TYPE) { return Float.valueOf(pValue); } else if (pClass == Double.class || pClass == Double.TYPE) { return Double.valueOf(pValue); } else if (pClass == BigInteger.class) { return new BigInteger(pValue); } else if (pClass == BigDecimal.class) { return new BigDecimal(pValue); } else { return PrimitiveObjects.getInteger(0); } }
From source file:org.apache.hadoop.hbase.io.HbaseObjectWritable.java
/** * Read a {@link Writable}, {@link String}, primitive type, or an array of * the preceding./*from w w w . ja v a 2 s . c o m*/ * @param in * @param objectWritable * @param conf * @return the object * @throws IOException */ @SuppressWarnings("unchecked") public static Object readObject(DataInput in, HbaseObjectWritable objectWritable, Configuration conf) throws IOException { Class<?> declaredClass = CODE_TO_CLASS.get(WritableUtils.readVInt(in)); Object instance; if (declaredClass.isPrimitive()) { // primitive types if (declaredClass == Boolean.TYPE) { // boolean instance = Boolean.valueOf(in.readBoolean()); } else if (declaredClass == Character.TYPE) { // char instance = Character.valueOf(in.readChar()); } else if (declaredClass == Byte.TYPE) { // byte instance = Byte.valueOf(in.readByte()); } else if (declaredClass == Short.TYPE) { // short instance = Short.valueOf(in.readShort()); } else if (declaredClass == Integer.TYPE) { // int instance = Integer.valueOf(in.readInt()); } else if (declaredClass == Long.TYPE) { // long instance = Long.valueOf(in.readLong()); } else if (declaredClass == Float.TYPE) { // float instance = Float.valueOf(in.readFloat()); } else if (declaredClass == Double.TYPE) { // double instance = Double.valueOf(in.readDouble()); } else if (declaredClass == Void.TYPE) { // void instance = null; } else { throw new IllegalArgumentException("Not a primitive: " + declaredClass); } } else if (declaredClass.isArray()) { // array if (declaredClass.equals(byte[].class)) { instance = Bytes.readByteArray(in); } else if (declaredClass.equals(Result[].class)) { instance = Result.readArray(in); } else { int length = in.readInt(); instance = Array.newInstance(declaredClass.getComponentType(), length); for (int i = 0; i < length; i++) { Array.set(instance, i, readObject(in, conf)); } } } else if (declaredClass.equals(Array.class)) { //an array not declared in CLASS_TO_CODE Class<?> componentType = readClass(conf, in); int length = in.readInt(); instance = Array.newInstance(componentType, length); for (int i = 0; i < length; i++) { Array.set(instance, i, readObject(in, conf)); } } else if (List.class.isAssignableFrom(declaredClass)) { // List int length = in.readInt(); instance = new ArrayList(length); for (int i = 0; i < length; i++) { ((ArrayList) instance).add(readObject(in, conf)); } } else if (declaredClass == String.class) { // String instance = Text.readString(in); } else if (declaredClass.isEnum()) { // enum instance = Enum.valueOf((Class<? extends Enum>) declaredClass, Text.readString(in)); } else if (declaredClass == Message.class) { String className = Text.readString(in); try { declaredClass = getClassByName(conf, className); instance = tryInstantiateProtobuf(declaredClass, in); } catch (ClassNotFoundException e) { LOG.error("Can't find class " + className, e); throw new IOException("Can't find class " + className, e); } } else { // Writable or Serializable Class instanceClass = null; int b = (byte) WritableUtils.readVInt(in); if (b == NOT_ENCODED) { String className = Text.readString(in); try { instanceClass = getClassByName(conf, className); } catch (ClassNotFoundException e) { LOG.error("Can't find class " + className, e); throw new IOException("Can't find class " + className, e); } } else { instanceClass = CODE_TO_CLASS.get(b); } if (Writable.class.isAssignableFrom(instanceClass)) { Writable writable = WritableFactories.newInstance(instanceClass, conf); try { writable.readFields(in); } catch (Exception e) { LOG.error("Error in readFields", e); throw new IOException("Error in readFields", e); } instance = writable; if (instanceClass == NullInstance.class) { // null declaredClass = ((NullInstance) instance).declaredClass; instance = null; } } else { int length = in.readInt(); byte[] objectBytes = new byte[length]; in.readFully(objectBytes); ByteArrayInputStream bis = null; ObjectInputStream ois = null; try { bis = new ByteArrayInputStream(objectBytes); ois = new ObjectInputStream(bis); instance = ois.readObject(); } catch (ClassNotFoundException e) { LOG.error("Class not found when attempting to deserialize object", e); throw new IOException("Class not found when attempting to " + "deserialize object", e); } finally { if (bis != null) bis.close(); if (ois != null) ois.close(); } } } if (objectWritable != null) { // store values objectWritable.declaredClass = declaredClass; objectWritable.instance = instance; } return instance; }
From source file:org.apache.hadoop.hbase.security.access.HbaseObjectWritableFor96Migration.java
/** * Read a {@link Writable}, {@link String}, primitive type, or an array of * the preceding./*from w w w . j ava 2 s.com*/ * @param in * @param objectWritable * @param conf * @return the object * @throws IOException */ @SuppressWarnings("unchecked") static Object readObject(DataInput in, HbaseObjectWritableFor96Migration objectWritable, Configuration conf) throws IOException { Class<?> declaredClass = CODE_TO_CLASS.get(WritableUtils.readVInt(in)); Object instance; if (declaredClass.isPrimitive()) { // primitive types if (declaredClass == Boolean.TYPE) { // boolean instance = Boolean.valueOf(in.readBoolean()); } else if (declaredClass == Character.TYPE) { // char instance = Character.valueOf(in.readChar()); } else if (declaredClass == Byte.TYPE) { // byte instance = Byte.valueOf(in.readByte()); } else if (declaredClass == Short.TYPE) { // short instance = Short.valueOf(in.readShort()); } else if (declaredClass == Integer.TYPE) { // int instance = Integer.valueOf(in.readInt()); } else if (declaredClass == Long.TYPE) { // long instance = Long.valueOf(in.readLong()); } else if (declaredClass == Float.TYPE) { // float instance = Float.valueOf(in.readFloat()); } else if (declaredClass == Double.TYPE) { // double instance = Double.valueOf(in.readDouble()); } else if (declaredClass == Void.TYPE) { // void instance = null; } else { throw new IllegalArgumentException("Not a primitive: " + declaredClass); } } else if (declaredClass.isArray()) { // array if (declaredClass.equals(byte[].class)) { instance = Bytes.readByteArray(in); } else { int length = in.readInt(); instance = Array.newInstance(declaredClass.getComponentType(), length); for (int i = 0; i < length; i++) { Array.set(instance, i, readObject(in, conf)); } } } else if (declaredClass.equals(Array.class)) { //an array not declared in CLASS_TO_CODE Class<?> componentType = readClass(conf, in); int length = in.readInt(); instance = Array.newInstance(componentType, length); for (int i = 0; i < length; i++) { Array.set(instance, i, readObject(in, conf)); } } else if (List.class.isAssignableFrom(declaredClass)) { // List int length = in.readInt(); instance = new ArrayList(length); for (int i = 0; i < length; i++) { ((ArrayList) instance).add(readObject(in, conf)); } } else if (declaredClass == String.class) { // String instance = Text.readString(in); } else if (declaredClass.isEnum()) { // enum instance = Enum.valueOf((Class<? extends Enum>) declaredClass, Text.readString(in)); } else if (declaredClass == Message.class) { String className = Text.readString(in); try { declaredClass = getClassByName(conf, className); instance = tryInstantiateProtobuf(declaredClass, in); } catch (ClassNotFoundException e) { LOG.error("Can't find class " + className, e); throw new IOException("Can't find class " + className, e); } } else if (Scan.class.isAssignableFrom(declaredClass)) { int length = in.readInt(); byte[] scanBytes = new byte[length]; in.readFully(scanBytes); ClientProtos.Scan.Builder scanProto = ClientProtos.Scan.newBuilder(); instance = ProtobufUtil.toScan(scanProto.mergeFrom(scanBytes).build()); } else { // Writable or Serializable Class instanceClass = null; int b = (byte) WritableUtils.readVInt(in); if (b == NOT_ENCODED) { String className = Text.readString(in); try { instanceClass = getClassByName(conf, className); } catch (ClassNotFoundException e) { LOG.error("Can't find class " + className, e); throw new IOException("Can't find class " + className, e); } } else { instanceClass = CODE_TO_CLASS.get(b); } if (Writable.class.isAssignableFrom(instanceClass)) { Writable writable = WritableFactories.newInstance(instanceClass, conf); try { writable.readFields(in); } catch (Exception e) { LOG.error("Error in readFields", e); throw new IOException("Error in readFields", e); } instance = writable; if (instanceClass == NullInstance.class) { // null declaredClass = ((NullInstance) instance).declaredClass; instance = null; } } else { int length = in.readInt(); byte[] objectBytes = new byte[length]; in.readFully(objectBytes); ByteArrayInputStream bis = null; ObjectInputStream ois = null; try { bis = new ByteArrayInputStream(objectBytes); ois = new ObjectInputStream(bis); instance = ois.readObject(); } catch (ClassNotFoundException e) { LOG.error("Class not found when attempting to deserialize object", e); throw new IOException("Class not found when attempting to " + "deserialize object", e); } finally { if (bis != null) bis.close(); if (ois != null) ois.close(); } } } if (objectWritable != null) { // store values objectWritable.declaredClass = declaredClass; objectWritable.instance = instance; } return instance; }
From source file:javadz.beanutils.ConvertUtilsBean.java
/** * Register the converters for primitive types. * </p>/*from w ww . j a va 2 s .c o m*/ * This method registers the following converters: * <ul> * <li><code>Boolean.TYPE</code> - {@link BooleanConverter}</li> * <li><code>Byte.TYPE</code> - {@link ByteConverter}</li> * <li><code>Character.TYPE</code> - {@link CharacterConverter}</li> * <li><code>Double.TYPE</code> - {@link DoubleConverter}</li> * <li><code>Float.TYPE</code> - {@link FloatConverter}</li> * <li><code>Integer.TYPE</code> - {@link IntegerConverter}</li> * <li><code>Long.TYPE</code> - {@link LongConverter}</li> * <li><code>Short.TYPE</code> - {@link ShortConverter}</li> * </ul> * @param throwException <code>true</code> if the converters should * throw an exception when a conversion error occurs, otherwise <code> * <code>false</code> if a default value should be used. */ private void registerPrimitives(boolean throwException) { register(Boolean.TYPE, throwException ? new BooleanConverter() : new BooleanConverter(Boolean.FALSE)); register(Byte.TYPE, throwException ? new ByteConverter() : new ByteConverter(ZERO)); register(Character.TYPE, throwException ? new CharacterConverter() : new CharacterConverter(SPACE)); register(Double.TYPE, throwException ? new DoubleConverter() : new DoubleConverter(ZERO)); register(Float.TYPE, throwException ? new FloatConverter() : new FloatConverter(ZERO)); register(Integer.TYPE, throwException ? new IntegerConverter() : new IntegerConverter(ZERO)); register(Long.TYPE, throwException ? new LongConverter() : new LongConverter(ZERO)); register(Short.TYPE, throwException ? new ShortConverter() : new ShortConverter(ZERO)); }
From source file:org.apache.struts.action.DynaActionForm.java
/** * <p>Indicates if an object of the source class is assignable to the * destination class.</p>//ww w . j a v a 2 s. co m * * @param dest Destination class * @param source Source class * @return <code>true</code> if the source is assignable to the * destination; <code>false</code> otherwise. */ protected boolean isDynaAssignable(Class dest, Class source) { if (dest.isAssignableFrom(source) || ((dest == Boolean.TYPE) && (source == Boolean.class)) || ((dest == Byte.TYPE) && (source == Byte.class)) || ((dest == Character.TYPE) && (source == Character.class)) || ((dest == Double.TYPE) && (source == Double.class)) || ((dest == Float.TYPE) && (source == Float.class)) || ((dest == Integer.TYPE) && (source == Integer.class)) || ((dest == Long.TYPE) && (source == Long.class)) || ((dest == Short.TYPE) && (source == Short.class))) { return (true); } else { return (false); } }
From source file:ResultSetIterator.java
/** * ResultSet.getObject() returns an Integer object for an INT column. The * setter method for the property might take an Integer or a primitive int. * This method returns true if the value can be successfully passed into * the setter method. Remember, Method.invoke() handles the unwrapping * of Integer into an int.// w ww . java 2s . c om * * @param value The value to be passed into the setter method. * @param type The setter's parameter type. * @return boolean True if the value is compatible. */ private boolean isCompatibleType(Object value, Class type) { // Do object check first, then primitives if (value == null || type.isInstance(value)) { return true; } else if (type.equals(Integer.TYPE) && Integer.class.isInstance(value)) { return true; } else if (type.equals(Long.TYPE) && Long.class.isInstance(value)) { return true; } else if (type.equals(Double.TYPE) && Double.class.isInstance(value)) { return true; } else if (type.equals(Float.TYPE) && Float.class.isInstance(value)) { return true; } else if (type.equals(Short.TYPE) && Short.class.isInstance(value)) { return true; } else if (type.equals(Byte.TYPE) && Byte.class.isInstance(value)) { return true; } else if (type.equals(Character.TYPE) && Character.class.isInstance(value)) { return true; } else if (type.equals(Boolean.TYPE) && Boolean.class.isInstance(value)) { return true; } else { return false; } }
From source file:com.sun.faces.config.ManagedBeanFactory.java
/** * <li><p> Call the property getter, if it exists.</p></li> * <p/>//from w w w . j ava 2 s . c om * <li><p>If the getter returns null or doesn't exist, create a * java.util.ArrayList(), otherwise use the returned Object (an array or * a java.util.List).</p></li> * <p/> * <li><p>If a List was returned or created in step 2), add all * elements defined by nested <value> elements in the order * they are listed, converting values defined by nested * <value> elements to the type defined by * <value-class>. If a <value-class> is not defined, use * the value as-is (i.e., as a java.lang.String). Add null for each * <null-value> element.</p></li> * <p/> * <li><p> If an array was returned in step 2), create a * java.util.ArrayList and copy all elements from the returned array to * the new List, auto-boxing elements of a primitive type. Add all * elements defined by nested <value> elements as described in step * 3).</p></li> * <p/> * <li><p> If a new java.util.List was created in step 2) and the * property is of type List, set the property by calling the setter * method, or log an error if there is no setter method.</p></li> * <p/> * <li><p> If a new java.util.List was created in step 4), convert * the * List to array of the same type as the property and set the * property by * calling the setter method, or log an error if there * is no setter * method.</p></li> */ private void setArrayOrListPropertiesIntoBean(Object bean, ManagedPropertyBean property) throws Exception { Object result = null; boolean getterIsNull = true, getterIsArray = false; List valuesForBean = null; Class valueType = java.lang.String.class, propertyType = null; String propertyName = property.getPropertyName(); try { // see if there is a getter result = PropertyUtils.getProperty(bean, propertyName); getterIsNull = (null == result) ? true : false; propertyType = PropertyUtils.getPropertyType(bean, propertyName); getterIsArray = propertyType.isArray(); } catch (NoSuchMethodException nsme) { // it's valid to not have a getter. } // the property has to be either a List or Array if (!getterIsArray) { if (null != propertyType && !java.util.List.class.isAssignableFrom(propertyType)) { throw new FacesException( Util.getExceptionMessageString(Util.MANAGED_BEAN_CANNOT_SET_LIST_ARRAY_PROPERTY_ID, new Object[] { propertyName, managedBean.getManagedBeanName() })); } } // // Deal with the possibility of the getter returning existing // values. // // if the getter returned non-null if (!getterIsNull) { // if what it returned was an array if (getterIsArray) { valuesForBean = new ArrayList(); for (int i = 0, len = Array.getLength(result); i < len; i++) { // add the existing values valuesForBean.add(Array.get(result, i)); } } else { // if what it returned was not a List if (!(result instanceof List)) { // throw an exception throw new FacesException( Util.getExceptionMessageString(Util.MANAGED_BEAN_EXISTING_VALUE_NOT_LIST_ID, new Object[] { propertyName, managedBean.getManagedBeanName() })); } valuesForBean = (List) result; } } else { // getter returned null result = valuesForBean = new ArrayList(); } // at this point valuesForBean contains the existing values from // the bean, or no values if the bean had no values. In any // case, we can proceed to add values from the config file. valueType = copyListEntriesFromConfigToList(property.getListEntries(), valuesForBean); // at this point valuesForBean has the values to be set into the // bean. if (getterIsArray) { // convert back to Array result = Array.newInstance(valueType, valuesForBean.size()); for (int i = 0, len = valuesForBean.size(); i < len; i++) { if (valueType == Boolean.TYPE) { Array.setBoolean(result, i, ((Boolean) valuesForBean.get(i)).booleanValue()); } else if (valueType == Byte.TYPE) { Array.setByte(result, i, ((Byte) valuesForBean.get(i)).byteValue()); } else if (valueType == Double.TYPE) { Array.setDouble(result, i, ((Double) valuesForBean.get(i)).doubleValue()); } else if (valueType == Float.TYPE) { Array.setFloat(result, i, ((Float) valuesForBean.get(i)).floatValue()); } else if (valueType == Integer.TYPE) { Array.setInt(result, i, ((Integer) valuesForBean.get(i)).intValue()); } else if (valueType == Character.TYPE) { Array.setChar(result, i, ((Character) valuesForBean.get(i)).charValue()); } else if (valueType == Short.TYPE) { Array.setShort(result, i, ((Short) valuesForBean.get(i)).shortValue()); } else if (valueType == Long.TYPE) { Array.setLong(result, i, ((Long) valuesForBean.get(i)).longValue()); } else { Array.set(result, i, valuesForBean.get(i)); } } } else { result = valuesForBean; } if (getterIsNull || getterIsArray) { PropertyUtils.setProperty(bean, propertyName, result); } }
From source file:javadz.beanutils.LazyDynaBean.java
/** * Create a new Instance of a 'Primitive' Property. * @param name The name of the property// www . j a v a 2 s . com * @param type The class of the property * @return The new value */ protected Object createPrimitiveProperty(String name, Class type) { if (type == Boolean.TYPE) { return Boolean.FALSE; } else if (type == Integer.TYPE) { return Integer_ZERO; } else if (type == Long.TYPE) { return Long_ZERO; } else if (type == Double.TYPE) { return Double_ZERO; } else if (type == Float.TYPE) { return Float_ZERO; } else if (type == Byte.TYPE) { return Byte_ZERO; } else if (type == Short.TYPE) { return Short_ZERO; } else if (type == Character.TYPE) { return Character_SPACE; } else { return null; } }
From source file:objenome.util.ClassUtils.java
/** * <p>Checks if one {@code Class} can be assigned to a variable of * another {@code Class}.</p>/*from w ww . jav a2s. co m*/ * * <p>Unlike the {@link Class#isAssignableFrom(Class)} method, * this method takes into account widenings of primitive classes and * {@code null}s.</p> * * <p>Primitive widenings allow an int to be assigned to a long, float or * double. This method returns the correct result for these cases.</p> * * <p>{@code Null} may be assigned to any reference type. This method * will return {@code true} if {@code null} is passed in and the * toClass is non-primitive.</p> * * <p>Specifically, this method tests whether the type represented by the * specified {@code Class} parameter can be converted to the type * represented by this {@code Class} object via an identity conversion * widening primitive or widening reference conversion. See * <em><a href="http://docs.oracle.com/javase/specs/">The Java Language Specification</a></em>, * sections 5.1.1, 5.1.2 and 5.1.4 for details.</p> * * @param cls the Class to check, may be null * @param toClass the Class to try to assign into, returns false if null * @param autoboxing whether to use implicit autoboxing/unboxing between primitives and wrappers * @return {@code true} if assignment possible */ public static boolean isAssignable(Class<?> cls, Class<?> toClass, boolean autoboxing) { if (toClass == null) { return false; } // have to check for null, as isAssignableFrom doesn't if (cls == null) { return !toClass.isPrimitive(); } //autoboxing: if (autoboxing) { if (cls.isPrimitive() && !toClass.isPrimitive()) { cls = primitiveToWrapper(cls); if (cls == null) { return false; } } if (toClass.isPrimitive() && !cls.isPrimitive()) { cls = wrapperToPrimitive(cls); if (cls == null) { return false; } } } if (cls.equals(toClass)) { return true; } if (cls.isPrimitive()) { if (!toClass.isPrimitive()) { return false; } if (Integer.TYPE.equals(cls)) { return Long.TYPE.equals(toClass) || Float.TYPE.equals(toClass) || Double.TYPE.equals(toClass); } if (Long.TYPE.equals(cls)) { return Float.TYPE.equals(toClass) || Double.TYPE.equals(toClass); } if (Boolean.TYPE.equals(cls)) { return false; } if (Double.TYPE.equals(cls)) { return false; } if (Float.TYPE.equals(cls)) { return Double.TYPE.equals(toClass); } if (Character.TYPE.equals(cls)) { return Integer.TYPE.equals(toClass) || Long.TYPE.equals(toClass) || Float.TYPE.equals(toClass) || Double.TYPE.equals(toClass); } if (Short.TYPE.equals(cls)) { return Integer.TYPE.equals(toClass) || Long.TYPE.equals(toClass) || Float.TYPE.equals(toClass) || Double.TYPE.equals(toClass); } if (Byte.TYPE.equals(cls)) { return Short.TYPE.equals(toClass) || Integer.TYPE.equals(toClass) || Long.TYPE.equals(toClass) || Float.TYPE.equals(toClass) || Double.TYPE.equals(toClass); } // should never get here return false; } return toClass.isAssignableFrom(cls); }