Glassfish example source code file (ApplicationResponse.java)

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Java - Glassfish tags/keywords

applicationresponse, applicationresponse, servlet, servletresponsewrapper, servletresponsewrapper, stringmanager, stringmanager, util

The Glassfish ApplicationResponse.java source code

/*
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 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
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 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 *
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 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.catalina.core;


import org.apache.catalina.util.StringManager;

import javax.servlet.ServletResponse;
import javax.servlet.ServletResponseWrapper;
import java.util.Locale;


/**
 * Wrapper around a <code>javax.servlet.ServletResponse
 * that transforms an application response object (which might be the original
 * one passed to a servlet, or might be based on the 2.3
 * <code>javax.servlet.ServletResponseWrapper class)
 * back into an internal <code>org.apache.catalina.Response.
 * <p>
 * <strong>WARNING:  Due to Java's lack of support for multiple
 * inheritance, all of the logic in <code>ApplicationResponse is
 * duplicated in <code>ApplicationHttpResponse.  Make sure that you
 * keep these two classes in synchronization when making changes!
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.3 $ $Date: 2005/12/08 01:27:33 $
 */

/** START OF PWC 4858179
class ApplicationResponse extends ServletResponseWrapper {
**/
// START OF PWC 4858179
public class ApplicationResponse extends ServletResponseWrapper {
// END OF PWC 4858179


    // ----------------------------------------------------------- Constructors


    /**
     * Construct a new wrapped response around the specified servlet response.
     *
     * @param response The servlet response being wrapped
     */
    public ApplicationResponse(ServletResponse response) {

        this(response, false);

    }


    /**
     * Construct a new wrapped response around the specified servlet response.
     *
     * @param response The servlet response being wrapped
     * @param included <code>true if this response is being processed
     *  by a <code>RequestDispatcher.include() call
     */
    public ApplicationResponse(ServletResponse response, boolean included) {

        super(response);
        setIncluded(included);

    }


    // ----------------------------------------------------- Instance Variables


    /**
     * Is this wrapped response the subject of an <code>include()
     * call?
     */
    protected boolean included = false;


    /**
     * The string manager for this package.
     */
    protected static final StringManager sm =
        StringManager.getManager(Constants.Package);


    // ------------------------------------------------ ServletResponse Methods


    /**
     * Disallow <code>reset() calls on a included response.
     *
     * @exception IllegalStateException if the response has already
     *  been committed
     */
    public void reset() {

        // If already committed, the wrapped response will throw ISE
        if (!included || getResponse().isCommitted())
            getResponse().reset();

    }


    /**
     * Disallow <code>setContentLength() calls on an included response.
     *
     * @param len The new content length
     */
    public void setContentLength(int len) {

        if (!included)
            getResponse().setContentLength(len);

    }


    /**
     * Disallow <code>setContentType() calls on an included response.
     *
     * @param type The new content type
     */
    public void setContentType(String type) {

        if (!included)
            getResponse().setContentType(type);

    }


    /**
     * Ignore <code>setLocale() calls on an included response.
     *
     * @param loc The new locale
     */
    public void setLocale(Locale loc) {
        if (!included)
            getResponse().setLocale(loc);
    }


    /**
     * Ignore <code>setBufferSize() calls on an included response.
     *
     * @param size The buffer size
     */
    public void setBufferSize(int size) {
        if (!included)
            getResponse().setBufferSize(size);
    }


    // ----------------------------------------- ServletResponseWrapper Methods


    /**
     * Set the response that we are wrapping.
     *
     * @param response The new wrapped response
     */
    public void setResponse(ServletResponse response) {

        super.setResponse(response);

    }


    // -------------------------------------------------------- Package Methods

    // START OF PWC 4858179
    /**
     * Return the included flag for this response.
     */
    public boolean isIncluded() {

        return (this.included);

    }
    
    /**
    public boolean isIncluded() {

        return (this.included);

    }
     */
    // END OF PWC 4858179


    /**
     * Set the included flag for this response.
     *
     * @param included The new included flag
     */
    void setIncluded(boolean included) {

        this.included = included;

    }


}