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* <td>no * <td>id * <td>The key property value. * </tr> * </tbody> * </table> * <!-- END SNIPPET: parameters --> * * <p/> Example code: * <pre> * <!-- START SNIPPET: example --> * // The key property for User objects within the users collection is the <code>userName attribute. * @KeyProperty( value = "userName" ) * protected List<User> users = null; * <!-- END SNIPPET: example --> * </pre> * * @author Patrick Lightbody * @author Rainer Hermanns */ @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.FIELD, ElementType.METHOD}) public @interface KeyProperty { /** * The KeyProperty value. * Defaults to the <tt>id attribute. */ String value() default "id"; }

Other Struts examples (source code examples)

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Struts example source code file (KeyProperty.java)

This example Struts source code file (KeyProperty.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

annotation, keyproperty, keyproperty, string, string, target, target

The Struts KeyProperty.java source code

/*
 * Copyright 2002-2006,2009 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 com.opensymphony.xwork2.util;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * <!-- START SNIPPET: description -->
 * <p/>Sets the KeyProperty for type conversion.
 * <!-- END SNIPPET: description -->
 *
 * <p/> Annotation usage:
 *
 * <!-- START SNIPPET: usage -->
 * <p/>The KeyProperty annotation must be applied at field or method level.
 * <p/>This annotation should be used with Generic types, if the key property of the key element needs to be specified.
 * <!-- END SNIPPET: usage -->
 * <p/> Annotation parameters:
 *
 * <!-- START SNIPPET: parameters -->
 * <table>
 * <thead>
 * <tr>
 * <th>Parameter
 * <th>Required
 * <th>Default
 * <th>Description
 * </tr>
 * </thead>
 * <tbody>
 * <tr>
 * <td>value
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