- /*
- * Copyright 2001-2004 The Apache Software Foundation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- package org.apache.commons.beanutils.locale;
-
-
- import org.apache.commons.beanutils.*;
- import org.apache.commons.beanutils.ContextClassLoaderLocal;
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- import java.beans.IndexedPropertyDescriptor;
- import java.beans.PropertyDescriptor;
- import java.lang.reflect.InvocationTargetException;
- import java.util.Locale;
-
-
- /**
- * <p>Utility methods for populating JavaBeans properties
- * via reflection in a locale-dependent manner.</p>
- *
- * @author Craig R. McClanahan
- * @author Ralph Schaer
- * @author Chris Audley
- * @author Rey François
- * @author Gregor Raıman
- * @author Yauheny Mikulski
- * @since 1.7
- */
-
- public class LocaleBeanUtilsBean extends BeanUtilsBean {
-
- /**
- * Contains <code>LocaleBeanUtilsBean</code> instances indexed by context classloader.
- */
- private static final ContextClassLoaderLocal
- localeBeansByClassLoader = new ContextClassLoaderLocal() {
- // Creates the default instance used when the context classloader is unavailable
- protected Object initialValue() {
- return new LocaleBeanUtilsBean();
- }
- };
-
- /** Gets singleton instance */
- public synchronized static LocaleBeanUtilsBean getLocaleBeanUtilsInstance() {
- return (LocaleBeanUtilsBean)localeBeansByClassLoader.get();
- }
-
- /**
- * Sets the instance which provides the functionality for {@link LocaleBeanUtils}.
- * This is a pseudo-singleton - an single instance is provided per (thread) context classloader.
- * This mechanism provides isolation for web apps deployed in the same container.
- */
- public synchronized static void setInstance(LocaleBeanUtilsBean newInstance) {
- localeBeansByClassLoader.set(newInstance);
- }
-
- /** All logging goes through this logger */
- private static Log log = LogFactory.getLog(LocaleBeanUtilsBean.class);
-
- // ----------------------------------------------------- Instance Variables
-
- /** Convertor used by this class */
- private LocaleConvertUtilsBean localeConvertUtils;
-
- // --------------------------------------------------------- Constructors
-
- /** Construct instance with standard conversion bean */
- public LocaleBeanUtilsBean() {
- this.localeConvertUtils = new LocaleConvertUtilsBean();
- }
-
- /**
- * Construct instance that uses given locale conversion
- *
- * @param localeConvertUtils use this <code>localeConvertUtils</code> to perform
- * conversions
- * @param convertUtilsBean use this for standard conversions
- * @param propertyUtilsBean use this for property conversions
- */
- public LocaleBeanUtilsBean(
- LocaleConvertUtilsBean localeConvertUtils,
- ConvertUtilsBean convertUtilsBean,
- PropertyUtilsBean propertyUtilsBean) {
- super(convertUtilsBean, propertyUtilsBean);
- this.localeConvertUtils = localeConvertUtils;
- }
-
- /**
- * Construct instance that uses given locale conversion
- *
- * @param localeConvertUtils use this <code>localeConvertUtils</code> to perform
- * conversions
- */
- public LocaleBeanUtilsBean(LocaleConvertUtilsBean localeConvertUtils) {
- this.localeConvertUtils = localeConvertUtils;
- }
-
- // --------------------------------------------------------- Public Methods
-
- /** Gets the bean instance used for conversions */
- public LocaleConvertUtilsBean getLocaleConvertUtils() {
- return localeConvertUtils;
- }
-
- /**
- * Gets the default Locale
- */
- public Locale getDefaultLocale() {
-
- return getLocaleConvertUtils().getDefaultLocale();
- }
-
-
- /**
- * Sets the default Locale
- */
- public void setDefaultLocale(Locale locale) {
-
- getLocaleConvertUtils().setDefaultLocale(locale);
- }
-
- /**
- * Is the pattern to be applied localized
- * (Indicate whether the pattern is localized or not)
- */
- public boolean getApplyLocalized() {
-
- return getLocaleConvertUtils().getApplyLocalized();
- }
-
- /**
- * Sets whether the pattern is applied localized
- * (Indicate whether the pattern is localized or not)
- */
- public void setApplyLocalized(boolean newApplyLocalized) {
-
- getLocaleConvertUtils().setApplyLocalized(newApplyLocalized);
- }
-
-
- // --------------------------------------------------------- Public Methods
-
- /**
- * Return the value of the specified locale-sensitive indexed property
- * of the specified bean, as a String. The zero-relative index of the
- * required value must be included (in square brackets) as a suffix to
- * the property name, or <code>IllegalArgumentException</code> will be
- * thrown.
- *
- * @param bean Bean whose property is to be extracted
- * @param name <code>propertyname[index]</code> of the property value
- * to be extracted
- * @param pattern The convertion pattern
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getIndexedProperty(
- Object bean,
- String name,
- String pattern)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- Object value = getPropertyUtils().getIndexedProperty(bean, name);
- return getLocaleConvertUtils().convert(value, pattern);
- }
-
- /**
- * Return the value of the specified locale-sensitive indexed property
- * of the specified bean, as a String using the default convertion pattern of
- * the corresponding {@link LocaleConverter}. The zero-relative index
- * of the required value must be included (in square brackets) as a suffix
- * to the property name, or <code>IllegalArgumentException</code> will be thrown.
- *
- * @param bean Bean whose property is to be extracted
- * @param name <code>propertyname[index]</code> of the property value
- * to be extracted
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getIndexedProperty(
- Object bean,
- String name)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- return getIndexedProperty(bean, name, null);
- }
-
- /**
- * Return the value of the specified locale-sensetive indexed property
- * of the specified bean, as a String using the specified convertion pattern.
- * The index is specified as a method parameter and
- * must *not* be included in the property name expression
- *
- * @param bean Bean whose property is to be extracted
- * @param name Simple property name of the property value to be extracted
- * @param index Index of the property value to be extracted
- * @param pattern The convertion pattern
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getIndexedProperty(Object bean,
- String name, int index, String pattern)
- throws IllegalAccessException, InvocationTargetException,
- NoSuchMethodException {
-
- Object value = getPropertyUtils().getIndexedProperty(bean, name, index);
- return getLocaleConvertUtils().convert(value, pattern);
- }
-
- /**
- * Return the value of the specified locale-sensetive indexed property
- * of the specified bean, as a String using the default convertion pattern of
- * the corresponding {@link LocaleConverter}.
- * The index is specified as a method parameter and
- * must *not* be included in the property name expression
- *
- * @param bean Bean whose property is to be extracted
- * @param name Simple property name of the property value to be extracted
- * @param index Index of the property value to be extracted
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getIndexedProperty(Object bean,
- String name, int index)
- throws IllegalAccessException, InvocationTargetException,
- NoSuchMethodException {
- return getIndexedProperty(bean, name, index, null);
- }
-
- /**
- * Return the value of the specified simple locale-sensitive property
- * of the specified bean, converted to a String using the specified
- * convertion pattern.
- *
- * @param bean Bean whose property is to be extracted
- * @param name Name of the property to be extracted
- * @param pattern The convertion pattern
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getSimpleProperty(Object bean, String name, String pattern)
- throws IllegalAccessException, InvocationTargetException,
- NoSuchMethodException {
-
- Object value = getPropertyUtils().getSimpleProperty(bean, name);
- return getLocaleConvertUtils().convert(value, pattern);
- }
-
- /**
- * Return the value of the specified simple locale-sensitive property
- * of the specified bean, converted to a String using the default
- * convertion pattern of the corresponding {@link LocaleConverter}.
- *
- * @param bean Bean whose property is to be extracted
- * @param name Name of the property to be extracted
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getSimpleProperty(Object bean, String name)
- throws IllegalAccessException, InvocationTargetException,
- NoSuchMethodException {
-
- return getSimpleProperty(bean, name, null);
- }
-
- /**
- * Return the value of the specified mapped locale-sensitive property
- * of the specified bean, as a String using the specified convertion pattern.
- * The key is specified as a method parameter and must *not* be included in
- * the property name expression.
- *
- * @param bean Bean whose property is to be extracted
- * @param name Simple property name of the property value to be extracted
- * @param key Lookup key of the property value to be extracted
- * @param pattern The convertion pattern
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getMappedProperty(
- Object bean,
- String name,
- String key,
- String pattern)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- Object value = getPropertyUtils().getMappedProperty(bean, name, key);
- return getLocaleConvertUtils().convert(value, pattern);
- }
-
- /**
- * Return the value of the specified mapped locale-sensitive property
- * of the specified bean, as a String
- * The key is specified as a method parameter and must *not* be included
- * in the property name expression
- *
- * @param bean Bean whose property is to be extracted
- * @param name Simple property name of the property value to be extracted
- * @param key Lookup key of the property value to be extracted
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getMappedProperty(Object bean,
- String name, String key)
- throws IllegalAccessException, InvocationTargetException,
- NoSuchMethodException {
-
- return getMappedProperty(bean, name, key, null);
- }
-
-
- /**
- * Return the value of the specified locale-sensitive mapped property
- * of the specified bean, as a String using the specified pattern.
- * The String-valued key of the required value
- * must be included (in parentheses) as a suffix to
- * the property name, or <code>IllegalArgumentException</code> will be
- * thrown.
- *
- * @param bean Bean whose property is to be extracted
- * @param name <code>propertyname(index)</code> of the property value
- * to be extracted
- * @param pattern The convertion pattern
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getMappedPropertyLocale(
- Object bean,
- String name,
- String pattern)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- Object value = getPropertyUtils().getMappedProperty(bean, name);
- return getLocaleConvertUtils().convert(value, pattern);
- }
-
-
- /**
- * Return the value of the specified locale-sensitive mapped property
- * of the specified bean, as a String using the default
- * convertion pattern of the corresponding {@link LocaleConverter}.
- * The String-valued key of the required value
- * must be included (in parentheses) as a suffix to
- * the property name, or <code>IllegalArgumentException</code> will be
- * thrown.
- *
- * @param bean Bean whose property is to be extracted
- * @param name <code>propertyname(index)</code> of the property value
- * to be extracted
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getMappedProperty(Object bean, String name)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- return getMappedPropertyLocale(bean, name, null);
- }
-
- /**
- * Return the value of the (possibly nested) locale-sensitive property
- * of the specified name, for the specified bean,
- * as a String using the specified pattern.
- *
- * @param bean Bean whose property is to be extracted
- * @param name Possibly nested name of the property to be extracted
- * @param pattern The convertion pattern
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception IllegalArgumentException if a nested reference to a
- * property returns null
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getNestedProperty(
- Object bean,
- String name,
- String pattern)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- Object value = getPropertyUtils().getNestedProperty(bean, name);
- return getLocaleConvertUtils().convert(value, pattern);
- }
-
- /**
- * Return the value of the (possibly nested) locale-sensitive property
- * of the specified name, for the specified bean, as a String using the default
- * convertion pattern of the corresponding {@link LocaleConverter}.
- *
- * @param bean Bean whose property is to be extracted
- * @param name Possibly nested name of the property to be extracted
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception IllegalArgumentException if a nested reference to a
- * property returns null
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getNestedProperty(Object bean, String name)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- return getNestedProperty(bean, name, null);
- }
-
- /**
- * Return the value of the specified locale-sensitive property
- * of the specified bean, no matter which property reference
- * format is used, as a String using the specified convertion pattern.
- *
- * @param bean Bean whose property is to be extracted
- * @param name Possibly indexed and/or nested name of the property
- * to be extracted
- * @param pattern The convertion pattern
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getProperty(Object bean, String name, String pattern)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- return getNestedProperty(bean, name, pattern);
- }
-
- /**
- * Return the value of the specified locale-sensitive property
- * of the specified bean, no matter which property reference
- * format is used, as a String using the default
- * convertion pattern of the corresponding {@link LocaleConverter}.
- *
- * @param bean Bean whose property is to be extracted
- * @param name Possibly indexed and/or nested name of the property
- * to be extracted
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- * @exception NoSuchMethodException if an accessor method for this
- * propety cannot be found
- */
- public String getProperty(Object bean, String name)
- throws
- IllegalAccessException,
- InvocationTargetException,
- NoSuchMethodException {
-
- return getNestedProperty(bean, name);
- }
-
- /**
- * Set the specified locale-sensitive property value, performing type
- * conversions as required to conform to the type of the destination property
- * using the default convertion pattern of the corresponding {@link LocaleConverter}.
- *
- * @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 {
-
- setProperty(bean, name, value, null);
- }
-
- /**
- * Set the specified locale-sensitive property value, performing type
- * conversions as required to conform to the type of the destination
- * property using the specified convertion pattern.
- *
- * @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
- * @param pattern The convertion pattern
- *
- * @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,
- String pattern)
- 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());
- }
-
- Descriptor propInfo = calculate(bean, name);
-
- if (propInfo != null) {
- Class type = definePropertyType(propInfo.getTarget(), name, propInfo.getPropName());
-
- if (type != null) {
-
- Object newValue = convert(type, propInfo.getIndex(), value, pattern);
- invokeSetter(propInfo.getTarget(), propInfo.getPropName(),
- propInfo.getKey(), propInfo.getIndex(), newValue);
- }
- }
- }
-
- /**
- * Calculate the property type.
- *
- * @param target The bean
- * @param name The property name
- * @param propName The Simple name of target property
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- */
- protected Class definePropertyType(Object target, String name, String propName)
- throws IllegalAccessException, InvocationTargetException {
-
- Class type = null; // Java type of target property
-
- if (target instanceof DynaBean) {
- DynaClass dynaClass = ((DynaBean) target).getDynaClass();
- DynaProperty dynaProperty = dynaClass.getDynaProperty(propName);
- if (dynaProperty == null) {
- return null; // Skip this property setter
- }
- type = dynaProperty.getType();
- }
- else {
- PropertyDescriptor descriptor = null;
- try {
- descriptor =
- getPropertyUtils().getPropertyDescriptor(target, name);
- if (descriptor == null) {
- return null; // Skip this property setter
- }
- }
- catch (NoSuchMethodException e) {
- return null; // Skip this property setter
- }
- if (descriptor instanceof MappedPropertyDescriptor) {
- type = ((MappedPropertyDescriptor) descriptor).
- getMappedPropertyType();
- }
- else if (descriptor instanceof IndexedPropertyDescriptor) {
- type = ((IndexedPropertyDescriptor) descriptor).
- getIndexedPropertyType();
- }
- else {
- type = descriptor.getPropertyType();
- }
- }
- return type;
- }
-
- /**
- * Convert the specified value to the required type using the
- * specified convertion pattern.
- *
- * @param type The Java type of target property
- * @param index The indexed subscript value (if any)
- * @param value The value to be converted
- * @param pattern The convertion pattern
- */
- protected Object convert(Class type, int index, Object value, String pattern) {
-
- if (log.isTraceEnabled()) {
- log.trace("Converting value '" + value + "' to type:" + type);
- }
-
- Object newValue = null;
-
- if (type.isArray() && (index < 0)) { // Scalar value into array
- if (value instanceof String) {
- String values[] = new String[1];
- values[0] = (String) value;
- newValue = getLocaleConvertUtils().convert((String[]) values, type, pattern);
- }
- else if (value instanceof String[]) {
- newValue = getLocaleConvertUtils().convert((String[]) value, type, pattern);
- }
- else {
- newValue = value;
- }
- }
- else if (type.isArray()) { // Indexed value into array
- if (value instanceof String) {
- newValue = getLocaleConvertUtils().convert((String) value,
- type.getComponentType(), pattern);
- }
- else if (value instanceof String[]) {
- newValue = getLocaleConvertUtils().convert(((String[]) value)[0],
- type.getComponentType(), pattern);
- }
- else {
- newValue = value;
- }
- }
- else { // Value into scalar
- if (value instanceof String) {
- newValue = getLocaleConvertUtils().convert((String) value, type, pattern);
- }
- else if (value instanceof String[]) {
- newValue = getLocaleConvertUtils().convert(((String[]) value)[0],
- type, pattern);
- }
- else {
- newValue = value;
- }
- }
- return newValue;
- }
-
- /**
- * Convert the specified value to the required type.
- *
- * @param type The Java type of target property
- * @param index The indexed subscript value (if any)
- * @param value The value to be converted
- */
- protected Object convert(Class type, int index, Object value) {
-
- Object newValue = null;
-
- if (type.isArray() && (index < 0)) { // Scalar value into array
- if (value instanceof String) {
- String values[] = new String[1];
- values[0] = (String) value;
- newValue = ConvertUtils.convert((String[]) values, type);
- }
- else if (value instanceof String[]) {
- newValue = ConvertUtils.convert((String[]) value, type);
- }
- else {
- newValue = value;
- }
- }
- else if (type.isArray()) { // Indexed value into array
- if (value instanceof String) {
- newValue = ConvertUtils.convert((String) value,
- type.getComponentType());
- }
- else if (value instanceof String[]) {
- newValue = ConvertUtils.convert(((String[]) value)[0],
- type.getComponentType());
- }
- else {
- newValue = value;
- }
- }
- else { // Value into scalar
- if (value instanceof String) {
- newValue = ConvertUtils.convert((String) value, type);
- }
- else if (value instanceof String[]) {
- newValue = ConvertUtils.convert(((String[]) value)[0],
- type);
- }
- else {
- newValue = value;
- }
- }
- return newValue;
- }
-
- /**
- * Invoke the setter method.
- *
- * @param target The bean
- * @param propName The Simple name of target property
- * @param key The Mapped key value (if any)
- * @param index The indexed subscript value (if any)
- * @param newValue The 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
- */
- protected void invokeSetter(Object target, String propName, String key, int index, Object newValue)
- throws IllegalAccessException, InvocationTargetException {
-
- 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);
- }
- }
-
- /**
- * Resolve any nested expression to get the actual target bean.
- *
- * @param bean The bean
- * @param name The property name
- *
- * @exception IllegalAccessException if the caller does not have
- * access to the property accessor method
- * @exception InvocationTargetException if the property accessor method
- * throws an exception
- */
- protected Descriptor calculate(Object bean, String name)
- throws IllegalAccessException, InvocationTargetException {
-
- String propName = null; // Simple name of target property
- int index = -1; // Indexed subscript value (if any)
- String key = null; // Mapped key value (if any)
-
- Object target = bean;
- int delim = name.lastIndexOf(PropertyUtils.NESTED_DELIM);
- if (delim >= 0) {
- try {
- target =
- getPropertyUtils().getProperty(bean, name.substring(0, delim));
- }
- catch (NoSuchMethodException e) {
- return null; // Skip this property setter
- }
- name = name.substring(delim + 1);
- if (log.isTraceEnabled()) {
- log.trace(" Target bean = " + target);
- log.trace(" Target name = " + name);
- }
- }
-
- // 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);
- }
- return new Descriptor(target, name, propName, key, index);
- }
-
- protected class Descriptor {
-
- private int index = -1; // Indexed subscript value (if any)
- private String name;
- private String propName; // Simple name of target property
- private String key; // Mapped key value (if any)
- private Object target;
-
- public Descriptor(Object target, String name, String propName, String key, int index) {
-
- setTarget(target);
- setName(name);
- setPropName(propName);
- setKey(key);
- setIndex(index);
- }
-
- public Object getTarget() {
- return target;
- }
-
- public void setTarget(Object target) {
- this.target = target;
- }
-
- public String getKey() {
- return key;
- }
-
- public void setKey(String key) {
- this.key = key;
- }
-
- public int getIndex() {
- return index;
- }
-
- public void setIndex(int index) {
- this.index = index;
- }
-
- public String getName() {
- return name;
- }
-
- public void setName(String name) {
- this.name = name;
- }
-
- public String getPropName() {
- return propName;
- }
-
- public void setPropName(String propName) {
- this.propName = propName;
- }
- }
- }
-
-