Example usage for java.beans PropertyDescriptor getWriteMethod

Introduction

In this page you can find the example usage for java.beans PropertyDescriptor getWriteMethod.

Prototype

public synchronized Method getWriteMethod() 

Source Link

Document

Gets the method that should be used to write the property value.

Usage

From source file:org.openlmis.fulfillment.testutils.DtoGenerator.java

private static <T> void generate(Class<T> clazz) {
    Object instance;// ww  w  .  jav  a  2 s  .  c o  m

    try {
        instance = clazz.newInstance();
    } catch (Exception exp) {
        throw new IllegalStateException("Missing no args constructor", exp);
    }

    for (PropertyDescriptor descriptor : PropertyUtils.getPropertyDescriptors(clazz)) {
        if ("class".equals(descriptor.getName())) {
            continue;
        }

        if (null == descriptor.getReadMethod() || null == descriptor.getWriteMethod()) {
            // we support only full property (it has to have a getter and setter)
            continue;
        }

        try {
            Object value = generateValue(clazz, descriptor.getPropertyType());
            PropertyUtils.setProperty(instance, descriptor.getName(), value);
        } catch (Exception exp) {
            throw new IllegalStateException("Can't set value for property: " + descriptor.getName(), exp);
        }
    }

    REFERENCES.put(clazz, instance);
}

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From source file:de.hasait.clap.impl.CLAPClassNode.java

private static <T extends Annotation> T getAnnotation(final PropertyDescriptor pPropertyDescriptor,
        final Class<T> pAnnotationClass) {
    final Method writeMethod = pPropertyDescriptor.getWriteMethod();
    if (writeMethod != null) {
        final T annotation = writeMethod.getAnnotation(pAnnotationClass);
        if (annotation != null) {
            return annotation;
        }//from  w  ww. ja v  a2 s . c  o  m
    }

    final Method readMethod = pPropertyDescriptor.getReadMethod();
    if (readMethod != null) {
        final T annotation = readMethod.getAnnotation(pAnnotationClass);
        if (annotation != null) {
            return annotation;
        }
    }

    return null;
}

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From source file:org.soybeanMilk.core.bean.PropertyInfo.java

private static PropertyInfo getPropertyInfoAnatomized(Class<?> beanClass,
        Map<Class<?>, PropertyInfo> localExists, int depth) {
    PropertyInfo cached = propertyInfoCache.get(beanClass);
    if (cached != null) {
        if (log.isDebugEnabled())
            log.debug(getSpace(depth) + "got " + SbmUtils.toString(beanClass)
                    + " property information from cache");

        return cached;
    }//from w  w w.  ja  va2s. c om

    if (log.isDebugEnabled())
        log.debug(getSpace(depth) + "start  anatomizing " + SbmUtils.toString(beanClass)
                + " property information");

    PropertyInfo beanInfo = new PropertyInfo(beanClass);

    localExists.put(beanInfo.getPropType(), beanInfo);

    PropertyDescriptor[] pds = null;

    try {
        pds = Introspector.getBeanInfo(beanInfo.getPropType()).getPropertyDescriptors();
    } catch (IntrospectionException e) {
        throw new RuntimeException(e);
    }

    if (pds == null || pds.length == 0)
        ;
    else {
        for (PropertyDescriptor pd : pds) {
            String name = pd.getName();
            Method wm = pd.getWriteMethod();
            Method rm = pd.getReadMethod();
            Class<?> propertyClazz = pd.getPropertyType();

            //?
            if (wm == null || rm == null || !Modifier.isPublic(wm.getModifiers())
                    || !Modifier.isPublic(rm.getModifiers()))
                continue;

            //localExists?PropertyInfo
            PropertyInfo exist = localExists.get(propertyClazz);
            if (exist == null)
                exist = getPropertyInfoAnatomized(propertyClazz, localExists, depth + 1);

            //???
            PropertyInfo copied = new PropertyInfo(beanClass, propertyClazz, name, rm, wm);
            copied.setSubPropertyInfos(exist.getSubPropertyInfos());

            beanInfo.addSubPropertyInfo(copied);

            if (log.isDebugEnabled())
                log.debug(getSpace(depth) + " add " + SbmUtils.toString(copied));
        }
    }

    if (log.isDebugEnabled())
        log.debug(getSpace(depth) + "finish anatomizing " + SbmUtils.toString(beanClass)
                + " property information");

    propertyInfoCache.putIfAbsent(beanClass, beanInfo);

    return beanInfo;
}

---

From source file:no.abmu.test.utilh3.DomainTestHelper.java

public static Object populateBean(Object obj)
        throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
    PropertyDescriptor[] propertyDescriptors = PropertyUtils.getPropertyDescriptors(obj);

    for (int i = 0; i < propertyDescriptors.length; i++) {
        PropertyDescriptor propertyDescriptor = propertyDescriptors[i];

        if (propertyDescriptor.getName().equals("id")) {
            continue;
        } else if (propertyDescriptor.getName().equals("valueAsString")) {
            continue;
        } else if (P_TYPES.contains(propertyDescriptor.getPropertyType())
                && propertyDescriptor.getWriteMethod() != null) {
            Object obje;/*w  w w.ja  v a 2s. c  o m*/
            //                obje=ConvertUtils.convert(String.valueOf(System.currentTimeMillis()
            //                +(long)(Math.random()*100d)),propertyDescriptor.getPropertyType());
            obje = ConvertUtils.convert(
                    String.valueOf((int) (System.currentTimeMillis() + (int) (Math.random() * 100d))),
                    propertyDescriptor.getPropertyType());
            PropertyUtils.setProperty(obj, propertyDescriptor.getName(), obje);
        }
    }
    return obj;
}

---

From source file:no.abmu.test.domainmodels.DomainTestHelper.java

public static Object populateBean(Object obj)
        throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
    PropertyDescriptor[] propertyDescriptors = PropertyUtils.getPropertyDescriptors(obj);

    for (int i = 0; i < propertyDescriptors.length; i++) {
        PropertyDescriptor propertyDescriptor = propertyDescriptors[i];

        if (propertyDescriptor.getName().equals("id")) {
            continue;
        } else if (propertyDescriptor.getName().equals("valueAsString")) {
            continue;
        } else if (P_TYPES.contains(propertyDescriptor.getPropertyType())
                && propertyDescriptor.getWriteMethod() != null) {

            Object obje;//from  w  ww  . j  av  a2 s.  c  om
            //                obje=ConvertUtils.convert(String.valueOf(System.currentTimeMillis()
            //                +(long)(Math.random()*100d)),propertyDescriptor.getPropertyType());
            obje = ConvertUtils.convert(
                    String.valueOf((int) (System.currentTimeMillis() + (int) (Math.random() * 100d))),
                    propertyDescriptor.getPropertyType());
            PropertyUtils.setProperty(obj, propertyDescriptor.getName(), obje);
        }
    }
    return obj;
}

---

From source file:org.jaxygen.converters.properties.PropertiesToBeanConverter.java

/**
 * Fill the field in bean by the value pointed by the name. Name format name=<(KEY([N])?)+> where KEY bean property name, N index in table (if bean field is
 * List of java array).//from  w w  w  .  ja  v a2s  .c  o  m
 *
 * @param name
 * @param value
 * @param beanClass
 * @param baseBean
 * @param conversionReport
 * @return
 * @throws IntrospectionException
 * @throws IllegalArgumentException
 * @throws IllegalAccessException
 * @throws InvocationTargetException
 * @throws InstantiationException
 * @throws WrongProperyIndex
 */
private static Object fillBeanValueByName(final String name, Object value, Class<?> beanClass, Object baseBean)
        throws IntrospectionException, IllegalArgumentException, IllegalAccessException,
        InvocationTargetException, InstantiationException, WrongProperyIndex {
    // parse name x.y[i].z[n].v
    Object bean = baseBean;
    if (bean == null) {
        bean = beanClass.newInstance();
    }
    Class<?> c = beanClass;
    BeanInfo beanInfo = Introspector.getBeanInfo(c, Object.class);
    final String childName = name.substring(name.indexOf(".") + 1);
    String path[] = name.split("\\.");

    final String fieldName = path[0];
    // parse arrays [n]
    if (fieldName.endsWith("]")) {
        int bracketStart = fieldName.indexOf("[");
        int len = fieldName.length();
        if (bracketStart > 0) {
            fillBeanArrayField(name, value, bean, beanInfo, path, fieldName, bracketStart, len);
        } else {
            throw new WrongProperyIndex(name);
        }
    } else {
        // parse non arrays
        for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
            if (pd.getName().equals(fieldName)) {
                Method writter = pd.getWriteMethod();
                Method reader = pd.getReadMethod();
                if (writter != null && reader != null) {
                    Class<?> valueType = reader.getReturnType();
                    if (path.length == 1) {
                        Object valueObject = parsePropertyToValue(value, valueType);
                        writter.invoke(bean, valueObject);
                    } else {
                        Object childBean = reader.invoke(bean);
                        Object valueObject = fillBeanValueByName(childName, value, valueType, childBean);
                        writter.invoke(bean, valueObject);
                    }
                }
            }
        }
    }

    // Object bean = c.newInstance();
    return bean;
}

---

From source file:org.jaxygen.converters.properties.PropertiesToBeanConverter.java

private static void fillBeanArrayField(final String name, Object value, Object bean, BeanInfo beanInfo,
        String[] path, final String fieldName, int bracketStart, int len)
        throws IllegalAccessException, InvocationTargetException, IntrospectionException,
        InstantiationException, IllegalArgumentException, WrongProperyIndex {
    final String indexStr = fieldName.substring(bracketStart + 1, len - 1);
    final String propertyName = fieldName.substring(0, bracketStart);
    int index = Integer.parseInt(indexStr);
    String childName = "";
    int firstDot = name.indexOf(".");
    if (firstDot > 0) {
        childName = name.substring(firstDot + 1);
    }//  ww  w .java  2 s.  c  o m

    for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
        if (pd.getName().equals(propertyName)) {
            Method writter = pd.getWriteMethod();
            Method reader = pd.getReadMethod();
            if (writter != null && reader != null) {
                Object array = reader.invoke(bean);
                if (pd.getPropertyType().isArray()) {
                    if (array == null) {
                        array = Array.newInstance(pd.getPropertyType().getComponentType(), index + 1);
                        writter.invoke(bean, array);
                    }
                    if (Array.getLength(array) < (index + 1)) {
                        array = resizeArray(array, index + 1);
                        writter.invoke(bean, array);
                    }
                    if (path.length == 1) {
                        Object valueObject = parsePropertyToValue(value, array.getClass().getComponentType());
                        Array.set(array, index, valueObject);
                    } else {
                        Object valueObject = fillBeanValueByName(childName, value,
                                array.getClass().getComponentType(), Array.get(array, index));
                        Array.set(array, index, valueObject);
                    }
                } else if (pd.getPropertyType().equals(List.class)) {
                    if (array == null) {
                        array = pd.getPropertyType().newInstance();
                        writter.invoke(bean, array);
                    }
                    Class<?> genericClass = array.getClass().getTypeParameters()[0].getClass();
                    if (path.length == 1) {
                        Object valueObject = parsePropertyToValue(value, genericClass);
                        Array.set(array, index, valueObject);
                    } else {
                        Object valueObject = fillBeanValueByName(childName, value, genericClass, null);
                        Array.set(array, index, valueObject);
                    }
                }
            }
        }
    }
}

---

From source file:org.jaffa.qm.util.PropertyFilter.java

private static void getFieldList(Class clazz, List<String> fieldList, String prefix, Deque<Class> classStack)
        throws IntrospectionException {
    //To avoid recursion, bail out if the input Class has already been introspected
    if (classStack.contains(clazz)) {
        if (log.isDebugEnabled())
            log.debug("Fields from " + clazz + " prefixed by " + prefix
                    + " will be ignored, since the class has already been introspected as per the stack "
                    + classStack);/*from   ww w .  jav  a  2s  .  c om*/
        return;
    } else
        classStack.addFirst(clazz);

    //Introspect the input Class
    BeanInfo beanInfo = Introspector.getBeanInfo(clazz);
    if (beanInfo != null) {
        PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();
        if (pds != null) {
            for (PropertyDescriptor pd : pds) {
                if (pd.getReadMethod() != null && pd.getWriteMethod() != null) {
                    String name = pd.getName();
                    String qualifieldName = prefix == null || prefix.length() == 0 ? name : prefix + '.' + name;
                    Class type = pd.getPropertyType();
                    if (type.isArray())
                        type = type.getComponentType();
                    if (type == String.class || type == Boolean.class || Number.class.isAssignableFrom(type)
                            || IDateBase.class.isAssignableFrom(type) || Currency.class.isAssignableFrom(type)
                            || type.isPrimitive() || type.isEnum())
                        fieldList.add(qualifieldName);
                    else
                        getFieldList(type, fieldList, qualifieldName, classStack);
                }
            }
        }
    }

    classStack.removeFirst();
}

---

From source file:org.alfresco.rest.framework.webscripts.ResourceWebScriptHelper.java

/**
 * Set the id of theObj to the uniqueId. Attempts to find a set method and
 * invoke it. If it fails it just swallows the exceptions and doesn't throw
 * them further.//from www.  j a  va  2  s  . c  o m
 * 
 * @param theObj Object
 * @param uniqueId String
 */
public static void setUniqueId(Object theObj, String uniqueId) {
    Method annotatedMethod = ResourceInspector.findUniqueIdMethod(theObj.getClass());
    if (annotatedMethod != null) {
        PropertyDescriptor pDesc = BeanUtils.findPropertyForMethod(annotatedMethod);
        if (pDesc != null) {
            Method writeMethod = pDesc.getWriteMethod();
            if (writeMethod != null) {
                try {
                    writeMethod.invoke(theObj, uniqueId);
                    if (logger.isDebugEnabled()) {
                        logger.debug("Unique id set for property: " + pDesc.getName());
                    }
                } catch (IllegalArgumentException error) {
                    logger.warn("Invocation error", error);
                } catch (IllegalAccessException error) {
                    logger.warn("IllegalAccessException", error);
                } catch (InvocationTargetException error) {
                    logger.warn("InvocationTargetException", error);
                }
            } else {
                logger.warn("No setter method for property: " + pDesc.getName());
            }
        }

    }
}

---

From source file:org.zkybase.cmdb.util.ReflectionUtils.java

public static <T, U> U copySimpleProperties(T from, U to) {
    try {//from w w w .j  av  a  2 s .  c  o m
        PropertyDescriptor[] fromDescs = BeanUtils.getPropertyDescriptors(from.getClass());
        for (PropertyDescriptor fromDesc : fromDescs) {
            String propName = fromDesc.getName();
            PropertyDescriptor toDesc = BeanUtils.getPropertyDescriptor(to.getClass(), propName);
            if (toDesc != null) {
                Method readMethod = fromDesc.getReadMethod();
                Object value = readMethod.invoke(from);
                boolean write = (value instanceof Long || value instanceof String);
                if (write) {
                    Method writeMethod = toDesc.getWriteMethod();
                    writeMethod.invoke(to, value);
                }
            }
        }
        return to;
    } catch (InvocationTargetException e) {
        throw new RuntimeException(e);
    } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
    }
}

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