org.directwebremoting.dwrp.HtmlCallMarshaller Maven / Gradle / Ivy

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DWR is easy Ajax for Java. It makes it simple to call Java code directly from Javascript. It gets rid of almost all the boiler plate code between the web browser and your Java code.

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/*
 * Copyright 2005 Joe Walker
 *
 * 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.directwebremoting.dwrp;

import java.io.IOException;
import java.io.PrintWriter;

import org.directwebremoting.extend.EnginePrivate;
import org.directwebremoting.util.MimeConstants;

/**
 * A version of the Plain Javascript Marshaller that uses iframe syntax
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
public class HtmlCallMarshaller extends BaseCallMarshaller
{
    /* (non-Javadoc)
     * @see org.directwebremoting.dwrp.BaseCallMarshaller#getOutboundMimeType()
     */
    protected String getOutboundMimeType()
    {
        return MimeConstants.MIME_HTML;
    }

    /* (non-Javadoc)
     * @see org.directwebremoting.dwrp.BaseCallMarshaller#sendOutboundScriptPrefix(java.io.PrintWriter, java.lang.String)
     */
    protected void sendOutboundScriptPrefix(PrintWriter out, String batchId) throws IOException
    {
        synchronized (out)
        {
            out.println("");
        }
    }

    /* (non-Javadoc)
     * @see org.directwebremoting.dwrp.BaseCallMarshaller#sendScript(java.io.PrintWriter, java.lang.String)
     */
    protected void sendScript(PrintWriter out, String script) throws IOException
    {
        synchronized (out)
        {
            out.println(EnginePrivate.remoteEval(script));
        }
    }
}