org.directwebremoting.jaxer.servlet.JaxerInterfaceHandler.java Source code

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Here is the source code for org.directwebremoting.jaxer.servlet.JaxerInterfaceHandler.java

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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.jaxer.servlet;

import java.io.IOException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.directwebremoting.extend.Module;
import org.directwebremoting.servlet.InterfaceHandler;
import org.directwebremoting.servlet.PathConstants;

/**
 * This is a customization of {@link InterfaceHandler} which is needed because
 * DWR+Jaxer has a different definition of scriptName than plain vanilla DWR
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
public class JaxerInterfaceHandler extends InterfaceHandler {
    /* (non-Javadoc)
     * @see org.directwebremoting.servlet.TemplateHandler#generateTemplate(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected String generateTemplate(String contextPath, String servletPath, String pathInfo) throws IOException {
        String fullCreatorName = pathInfo;

        if (!fullCreatorName.endsWith(PathConstants.EXTENSION_JS)) {
            return null;
        }

        fullCreatorName = fullCreatorName.replaceFirst("/", "");
        fullCreatorName = fullCreatorName.replace(PathConstants.EXTENSION_JS, "");

        // Lookup the module using long creatorName
        Module module = moduleManager.getModule(fullCreatorName, false);
        if (module == null) {
            log.warn("Failed to find creator using: " + fullCreatorName);
            throw new SecurityException("Failed to find creator");
        }

        // Internally use short scriptName
        String scriptName = module.getName();

        return generateInterfaceScript(contextPath, servletPath, scriptName);
    }

    /**
     * The log stream
     */
    private static final Log log = LogFactory.getLog(JaxerInterfaceHandler.class);
}