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 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
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package org.apache.commons.beanutils.locale;


import java.beans.IndexedPropertyDescriptor;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.util.Locale;

import org.apache.commons.beanutils.BeanUtilsBean;
import org.apache.commons.beanutils.ContextClassLoaderLocal;
import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.beanutils.ConvertUtilsBean;
import org.apache.commons.beanutils.DynaBean;
import org.apache.commons.beanutils.DynaClass;
import org.apache.commons.beanutils.DynaProperty;
import org.apache.commons.beanutils.MappedPropertyDescriptor;
import org.apache.commons.beanutils.PropertyUtilsBean;
import org.apache.commons.beanutils.expression.Resolver;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


Utility methods for populating JavaBeans properties via reflection in a locale-dependent manner.

Since:1.7
Version:$Id$
/** * <p>Utility methods for populating JavaBeans properties * via reflection in a locale-dependent manner.</p> * * @since 1.7 * @version $Id$ */
public class LocaleBeanUtilsBean extends BeanUtilsBean {
Contains LocaleBeanUtilsBean instances indexed by context classloader.
/** * Contains <code>LocaleBeanUtilsBean</code> instances indexed by context classloader. */
private static final ContextClassLoaderLocal<LocaleBeanUtilsBean> LOCALE_BEANS_BY_CLASSLOADER = new ContextClassLoaderLocal<LocaleBeanUtilsBean>() { // Creates the default instance used when the context classloader is unavailable @Override protected LocaleBeanUtilsBean initialValue() { return new LocaleBeanUtilsBean(); } };
Gets singleton instance
Returns:the singleton instance
/** * Gets singleton instance * * @return the singleton instance */
public static LocaleBeanUtilsBean getLocaleBeanUtilsInstance() { return LOCALE_BEANS_BY_CLASSLOADER.get(); }
Sets the instance which provides the functionality for 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.
Params:
  • newInstance – a new singleton instance
/** * 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. * * @param newInstance a new singleton instance */
public static void setInstance(final LocaleBeanUtilsBean newInstance) { LOCALE_BEANS_BY_CLASSLOADER.set(newInstance); }
All logging goes through this logger
/** All logging goes through this logger */
private final Log log = LogFactory.getLog(LocaleBeanUtilsBean.class); // ----------------------------------------------------- Instance Variables
Convertor used by this class
/** Convertor used by this class */
private final LocaleConvertUtilsBean localeConvertUtils; // --------------------------------------------------------- Constructors
Construct instance with standard conversion bean
/** Construct instance with standard conversion bean */
public LocaleBeanUtilsBean() { this.localeConvertUtils = new LocaleConvertUtilsBean(); }
Construct instance that uses given locale conversion
Params:
  • localeConvertUtils – use this localeConvertUtils to perform conversions
  • convertUtilsBean – use this for standard conversions
  • propertyUtilsBean – use this for property conversions
/** * 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( final LocaleConvertUtilsBean localeConvertUtils, final ConvertUtilsBean convertUtilsBean, final PropertyUtilsBean propertyUtilsBean) { super(convertUtilsBean, propertyUtilsBean); this.localeConvertUtils = localeConvertUtils; }
Construct instance that uses given locale conversion
Params:
  • localeConvertUtils – use this localeConvertUtils to perform conversions
/** * Construct instance that uses given locale conversion * * @param localeConvertUtils use this <code>localeConvertUtils</code> to perform * conversions */
public LocaleBeanUtilsBean(final LocaleConvertUtilsBean localeConvertUtils) { this.localeConvertUtils = localeConvertUtils; } // --------------------------------------------------------- Public Methods
Gets the bean instance used for conversions
Returns:the locale converter bean instance
/** * Gets the bean instance used for conversions * * @return the locale converter bean instance */
public LocaleConvertUtilsBean getLocaleConvertUtils() { return localeConvertUtils; }
Gets the default Locale
Returns:the default locale
/** * Gets the default Locale * @return the default locale */
public Locale getDefaultLocale() { return getLocaleConvertUtils().getDefaultLocale(); }
Sets the default Locale.
Params:
  • locale – the default locale
/** * Sets the default Locale. * * @param locale the default locale */
public void setDefaultLocale(final Locale locale) { getLocaleConvertUtils().setDefaultLocale(locale); }
Is the pattern to be applied localized (Indicate whether the pattern is localized or not)
Returns:true if pattern is localized, otherwise false
/** * Is the pattern to be applied localized * (Indicate whether the pattern is localized or not) * * @return <code>true</code> if pattern is localized, * otherwise <code>false</code> */
public boolean getApplyLocalized() { return getLocaleConvertUtils().getApplyLocalized(); }
Sets whether the pattern is applied localized (Indicate whether the pattern is localized or not)
Params:
  • newApplyLocalized – true if pattern is localized, otherwise false
/** * Sets whether the pattern is applied localized * (Indicate whether the pattern is localized or not) * * @param newApplyLocalized <code>true</code> if pattern is localized, * otherwise <code>false</code> */
public void setApplyLocalized(final 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 IllegalArgumentException will be thrown.
Params:
  • bean – Bean whose property is to be extracted
  • name – propertyname[index] of the property value to be extracted
  • pattern – The conversion pattern
Throws:
Returns:The indexed property's value, converted to a String
/** * 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 conversion pattern * @return The indexed property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * propety cannot be found */
public String getIndexedProperty( final Object bean, final String name, final String pattern) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { final 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 conversion pattern of the corresponding LocaleConverter. The zero-relative index of the required value must be included (in square brackets) as a suffix to the property name, or IllegalArgumentException will be thrown.
Params:
  • bean – Bean whose property is to be extracted
  • name – propertyname[index] of the property value to be extracted
Throws:
Returns:The indexed property's value, converted to a String
/** * Return the value of the specified locale-sensitive indexed property * of the specified bean, as a String using the default conversion 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 * @return The indexed property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * propety cannot be found */
@Override public String getIndexedProperty( final Object bean, final 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 conversion pattern. The index is specified as a method parameter and must *not* be included in the property name expression
Params:
  • bean – Bean whose property is to be extracted
  • name – Simple property name of the property value to be extracted
  • index – Index of the property value to be extracted
  • pattern – The conversion pattern
Throws:
Returns:The indexed property's value, converted to a String
/** * Return the value of the specified locale-sensetive indexed property * of the specified bean, as a String using the specified conversion 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 conversion pattern * @return The indexed property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * propety cannot be found */
public String getIndexedProperty(final Object bean, final String name, final int index, final String pattern) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { final 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 conversion pattern of the corresponding LocaleConverter. The index is specified as a method parameter and must *not* be included in the property name expression
Params:
  • bean – Bean whose property is to be extracted
  • name – Simple property name of the property value to be extracted
  • index – Index of the property value to be extracted
Throws:
Returns:The indexed property's value, converted to a String
/** * Return the value of the specified locale-sensetive indexed property * of the specified bean, as a String using the default conversion 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 * @return The indexed property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * propety cannot be found */
@Override public String getIndexedProperty(final Object bean, final String name, final 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 conversion pattern.
Params:
  • bean – Bean whose property is to be extracted
  • name – Name of the property to be extracted
  • pattern – The conversion pattern
Throws:
Returns:The property's value, converted to a String
/** * Return the value of the specified simple locale-sensitive property * of the specified bean, converted to a String using the specified * conversion pattern. * * @param bean Bean whose property is to be extracted * @param name Name of the property to be extracted * @param pattern The conversion pattern * @return The property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
public String getSimpleProperty(final Object bean, final String name, final String pattern) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { final 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 conversion pattern of the corresponding LocaleConverter.
Params:
  • bean – Bean whose property is to be extracted
  • name – Name of the property to be extracted
Throws:
Returns:The property's value, converted to a String
/** * Return the value of the specified simple locale-sensitive property * of the specified bean, converted to a String using the default * conversion pattern of the corresponding {@link LocaleConverter}. * * @param bean Bean whose property is to be extracted * @param name Name of the property to be extracted * @return The property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
@Override public String getSimpleProperty(final Object bean, final 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 conversion pattern. The key is specified as a method parameter and must *not* be included in the property name expression.
Params:
  • bean – Bean whose property is to be extracted
  • name – Simple property name of the property value to be extracted
  • key – Lookup key of the property value to be extracted
  • pattern – The conversion pattern
Throws:
Returns:The mapped property's value, converted to a String
/** * Return the value of the specified mapped locale-sensitive property * of the specified bean, as a String using the specified conversion 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 conversion pattern * @return The mapped property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
public String getMappedProperty( final Object bean, final String name, final String key, final String pattern) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { final 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
Params:
  • bean – Bean whose property is to be extracted
  • name – Simple property name of the property value to be extracted
  • key – Lookup key of the property value to be extracted
Throws:
Returns:The mapped property's value, converted to a String
/** * 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 * @return The mapped property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
@Override public String getMappedProperty(final Object bean, final String name, final 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 IllegalArgumentException will be thrown.
Params:
  • bean – Bean whose property is to be extracted
  • name – propertyname(index) of the property value to be extracted
  • pattern – The conversion pattern
Throws:
Returns:The mapped property's value, converted to a String
/** * 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 conversion pattern * @return The mapped property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
public String getMappedPropertyLocale( final Object bean, final String name, final String pattern) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { final 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 conversion pattern of the corresponding LocaleConverter. The String-valued key of the required value must be included (in parentheses) as a suffix to the property name, or IllegalArgumentException will be thrown.
Params:
  • bean – Bean whose property is to be extracted
  • name – propertyname(index) of the property value to be extracted
Throws:
Returns:The mapped property's value, converted to a String
/** * Return the value of the specified locale-sensitive mapped property * of the specified bean, as a String using the default * conversion 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 * @return The mapped property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
@Override public String getMappedProperty(final Object bean, final 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.
Params:
  • bean – Bean whose property is to be extracted
  • name – Possibly nested name of the property to be extracted
  • pattern – The conversion pattern
Throws:
Returns:The nested property's value, converted to a String
/** * 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 conversion pattern * @return The nested property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws IllegalArgumentException if a nested reference to a * property returns null * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
public String getNestedProperty( final Object bean, final String name, final String pattern) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { final 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 conversion pattern of the corresponding LocaleConverter.
Params:
  • bean – Bean whose property is to be extracted
  • name – Possibly nested name of the property to be extracted
Throws:
Returns:The nested property's value, converted to a String
/** * Return the value of the (possibly nested) locale-sensitive property * of the specified name, for the specified bean, as a String using the default * conversion 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 * @return The nested property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws IllegalArgumentException if a nested reference to a * property returns null * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
@Override public String getNestedProperty(final Object bean, final 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 conversion pattern.
Params:
  • bean – Bean whose property is to be extracted
  • name – Possibly indexed and/or nested name of the property to be extracted
  • pattern – The conversion pattern
Throws:
Returns:The nested property's value, converted to a String
/** * 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 conversion 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 conversion pattern * @return The nested property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
public String getProperty(final Object bean, final String name, final 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 conversion pattern of the corresponding LocaleConverter.
Params:
  • bean – Bean whose property is to be extracted
  • name – Possibly indexed and/or nested name of the property to be extracted
Throws:
Returns:The property's value, converted to a String
/** * 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 * conversion 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 * @return The property's value, converted to a String * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @throws NoSuchMethodException if an accessor method for this * property cannot be found */
@Override public String getProperty(final Object bean, final 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 conversion pattern of the corresponding LocaleConverter.
Params:
  • bean – Bean on which setting is to be performed
  • name – Property name (can be nested/indexed/mapped/combo)
  • value – Value to be set
Throws:
/** * Set the specified locale-sensitive property value, performing type * conversions as required to conform to the type of the destination property * using the default conversion 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 * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception */
@Override public void setProperty(final Object bean, final String name, final 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 conversion pattern.
Params:
  • bean – Bean on which setting is to be performed
  • name – Property name (can be nested/indexed/mapped/combo)
  • value – Value to be set
  • pattern – The conversion pattern
Throws:
/** * Set the specified locale-sensitive property value, performing type * conversions as required to conform to the type of the destination * property using the specified conversion 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 conversion pattern * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception */
public void setProperty( final Object bean, String name, final Object value, final String pattern) throws IllegalAccessException, InvocationTargetException { // Trace logging (if enabled) if (log.isTraceEnabled()) { final StringBuilder sb = new StringBuilder(" 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[]) { final 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; final Resolver resolver = getPropertyUtils().getResolver(); while (resolver.hasNested(name)) { try { target = getPropertyUtils().getProperty(target, resolver.next(name)); name = resolver.remove(name); } catch (final 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 final String propName = resolver.getProperty(name); // Simple name of target property final int index = resolver.getIndex(name); // Indexed subscript value (if any) final String key = resolver.getKey(name); // Mapped key value (if any) final Class<?> type = definePropertyType(target, name, propName); if (type != null) { final Object newValue = convert(type, index, value, pattern); invokeSetter(target, propName, key, index, newValue); } }
Calculate the property type.
Params:
  • target – The bean
  • name – The property name
  • propName – The Simple name of target property
Throws:
Returns:The property's type
/** * Calculate the property type. * * @param target The bean * @param name The property name * @param propName The Simple name of target property * @return The property's type * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception */
protected Class<?> definePropertyType(final Object target, final String name, final String propName) throws IllegalAccessException, InvocationTargetException { Class<?> type = null; // Java type of target property if (target instanceof DynaBean) { final DynaClass dynaClass = ((DynaBean) target).getDynaClass(); final 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 (final 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 conversion pattern.
Params:
  • type – The Java type of target property
  • index – The indexed subscript value (if any)
  • value – The value to be converted
  • pattern – The conversion pattern
Returns:The converted value
/** * Convert the specified value to the required type using the * specified conversion 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 conversion pattern * @return The converted value */
protected Object convert(final Class<?> type, final int index, final Object value, final 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) { final String[] values = new String[1]; values[0] = (String) value; newValue = getLocaleConvertUtils().convert(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.
Params:
  • type – The Java type of target property
  • index – The indexed subscript value (if any)
  • value – The value to be converted
Returns:The converted value
/** * 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 * @return The converted value */
protected Object convert(final Class<?> type, final int index, final Object value) { Object newValue = null; if (type.isArray() && (index < 0)) { // Scalar value into array if (value instanceof String) { final String[] values = new String[1]; values[0] = (String) value; newValue = ConvertUtils.convert(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.
Params:
  • target – The bean
  • propName – The Simple name of target property
  • key – The Mapped key value (if any)
  • index – The indexed subscript value (if any)
  • newValue – The value to be set
Throws:
/** * 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 * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception */
protected void invokeSetter(final Object target, final String propName, final String key, final int index, final 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 (final NoSuchMethodException e) { throw new InvocationTargetException (e, "Cannot set " + propName); } }
Resolve any nested expression to get the actual target property.
Params:
  • bean – The bean
  • name – The property name
Throws:
Returns:The property's descriptor
Deprecated:Property name expressions are now processed by the configured Resolver implementation and this method is no longer used by BeanUtils.
/** * Resolve any nested expression to get the actual target property. * * @param bean The bean * @param name The property name * @return The property's descriptor * * @throws IllegalAccessException if the caller does not have * access to the property accessor method * @throws InvocationTargetException if the property accessor method * throws an exception * @deprecated Property name expressions are now processed by * the configured {@link Resolver} implementation and this method * is no longer used by BeanUtils. */
@Deprecated protected Descriptor calculate(final Object bean, String name) throws IllegalAccessException, InvocationTargetException { // Resolve any nested expression to get the actual target bean Object target = bean; final Resolver resolver = getPropertyUtils().getResolver(); while (resolver.hasNested(name)) { try { target = getPropertyUtils().getProperty(target, resolver.next(name)); name = resolver.remove(name); } catch (final NoSuchMethodException e) { return null; // Skip this property setter } } if (log.isTraceEnabled()) { log.trace(" Target bean = " + target); log.trace(" Target name = " + name); } // Declare local variables we will require final String propName = resolver.getProperty(name); // Simple name of target property final int index = resolver.getIndex(name); // Indexed subscript value (if any) final String key = resolver.getKey(name); // Mapped key value (if any) return new Descriptor(target, name, propName, key, index); }
Deprecated:Property name expressions are now processed by the configured Resolver implementation and this class is no longer used by BeanUtils.
/** * @deprecated Property name expressions are now processed by * the configured {@link Resolver} implementation and this class * is no longer used by BeanUtils. */
@Deprecated 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;
Construct a descriptor instance for the target bean and property.
Params:
  • target – The target bean
  • name – The property name (includes indexed/mapped expr)
  • propName – The property name
  • key – The mapped property key (if any)
  • index – The indexed property index (if any)
/** * Construct a descriptor instance for the target bean and property. * * @param target The target bean * @param name The property name (includes indexed/mapped expr) * @param propName The property name * @param key The mapped property key (if any) * @param index The indexed property index (if any) */
public Descriptor(final Object target, final String name, final String propName, final String key, final int index) { setTarget(target); setName(name); setPropName(propName); setKey(key); setIndex(index); }
Return the target bean.
Returns:The descriptors target bean
/** * Return the target bean. * * @return The descriptors target bean */
public Object getTarget() { return target; }
Set the target bean.
Params:
  • target – The target bean
/** * Set the target bean. * * @param target The target bean */
public void setTarget(final Object target) { this.target = target; }
Return the mapped property key.
Returns:the mapped property key (if any)
/** * Return the mapped property key. * * @return the mapped property key (if any) */
public String getKey() { return key; }
Set the mapped property key.
Params:
  • key – The mapped property key (if any)
/** * Set the mapped property key. * * @param key The mapped property key (if any) */
public void setKey(final String key) { this.key = key; }
Return indexed property index.
Returns:indexed property index (if any)
/** * Return indexed property index. * * @return indexed property index (if any) */
public int getIndex() { return index; }
Set the indexed property index.
Params:
  • index – The indexed property index (if any)
/** * Set the indexed property index. * * @param index The indexed property index (if any) */
public void setIndex(final int index) { this.index = index; }
Return property name (includes indexed/mapped expr).
Returns:The property name (includes indexed/mapped expr)
/** * Return property name (includes indexed/mapped expr). * * @return The property name (includes indexed/mapped expr) */
public String getName() { return name; }
Set the property name (includes indexed/mapped expr).
Params:
  • name – The property name (includes indexed/mapped expr)
/** * Set the property name (includes indexed/mapped expr). * * @param name The property name (includes indexed/mapped expr) */
public void setName(final String name) { this.name = name; }
Return the property name.
Returns:The property name
/** * Return the property name. * * @return The property name */
public String getPropName() { return propName; }
Set the property name.
Params:
  • propName – The property name
/** * Set the property name. * * @param propName The property name */
public void setPropName(final String propName) { this.propName = propName; } } }