Struts example source code file (TestInterceptor.java)

This example Struts source code file (TestInterceptor.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

default_foo_value, default_foo_value, exception, exception, interceptor, string, string, testinterceptor, testinterceptor

The Struts TestInterceptor.java source code

/*
 * Copyright 2002-2003,2009 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;

import com.opensymphony.xwork2.interceptor.Interceptor;
import junit.framework.Assert;


/**
 * TestInterceptor
 *
 * @author Jason Carreira
 *         Created Apr 21, 2003 9:04:06 PM
 */
public class TestInterceptor implements Interceptor {

    public static final String DEFAULT_FOO_VALUE = "fooDefault";


    private String expectedFoo = DEFAULT_FOO_VALUE;
    private String foo = DEFAULT_FOO_VALUE;
    private boolean executed = false;


    public boolean isExecuted() {
        return executed;
    }

    public void setExpectedFoo(String expectedFoo) {
        this.expectedFoo = expectedFoo;
    }

    public String getExpectedFoo() {
        return expectedFoo;
    }

    public void setFoo(String foo) {
        this.foo = foo;
    }

    public String getFoo() {
        return foo;
    }

    /**
     * Called to let an interceptor clean up any resources it has allocated.
     */
    public void destroy() {
    }

    /**
     * Called after an Interceptor is created, but before any requests are processed using the intercept() methodName. This
     * gives the Interceptor a chance to initialize any needed resources.
     */
    public void init() {
    }

    /**
     * Allows the Interceptor to do some processing on the request before and/or after the rest of the processing of the
     * request by the DefaultActionInvocation or to short-circuit the processing and just return a String return code.
     *
     * @param invocation
     * @return
     * @throws Exception
     */
    public String intercept(ActionInvocation invocation) throws Exception {
        executed = true;
        Assert.assertNotSame(DEFAULT_FOO_VALUE, foo);
        Assert.assertEquals(expectedFoo, foo);

        return invocation.invoke();
    }
}