Struts example source code file (ExecuteOperations.java)

This example Struts source code file (ExecuteOperations.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

actionmapping, dispatcher, dispatcher, executeoperations, executeoperations, http, httpservletresponse, httpservletresponse, io, ioexception, request, response, servlet, servletcontext, servletexception, servletexception, staticcontentloader, string

The Struts ExecuteOperations.java source code

/*
 * $Id: DefaultActionSupport.java 651946 2008-04-27 13:41:38Z apetrelli $
 *
 * 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
 *
 * 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.struts2.dispatcher.ng;

import org.apache.struts2.dispatcher.Dispatcher;
import org.apache.struts2.dispatcher.StaticContentLoader;
import org.apache.struts2.dispatcher.mapper.ActionMapping;
import org.apache.struts2.RequestUtils;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Contains execution operations for filters
 */
public class ExecuteOperations {
    private ServletContext servletContext;
    private Dispatcher dispatcher;

    public ExecuteOperations(ServletContext servletContext, Dispatcher dispatcher) {
        this.dispatcher = dispatcher;
        this.servletContext = servletContext;
    }

    /**
     * Tries to execute a request for a static resource
     * @return True if it was handled, false if the filter should fall through
     * @throws IOException
     * @throws ServletException
     */
    public boolean executeStaticResourceRequest(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        // there is no action in this request, should we look for a static resource?
        String resourcePath = RequestUtils.getServletPath(request);

        if ("".equals(resourcePath) && null != request.getPathInfo()) {
            resourcePath = request.getPathInfo();
        }

        StaticContentLoader staticResourceLoader = dispatcher.getContainer().getInstance(StaticContentLoader.class);
        if (staticResourceLoader.canHandle(resourcePath)) {
            staticResourceLoader.findStaticResource(resourcePath, request, response);
            // The framework did its job here
            return true;

        } else {
            // this is a normal request, let it pass through
            return false;
        }
    }

    /**
     * Executes an action
     * @throws ServletException
     */
    public void executeAction(HttpServletRequest request, HttpServletResponse response, ActionMapping mapping) throws ServletException {
        dispatcher.serviceAction(request, response, servletContext, mapping);
    }
}