org.pentaho.plugin.j2ee.EnunciateJerseyPluginServlet.java Source code

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Here is the source code for org.pentaho.plugin.j2ee.EnunciateJerseyPluginServlet.java

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/*
 * The MIT License
 * 
 * Copyright (c) 2011, Aaron Phillips
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.pentaho.plugin.j2ee;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.enunciate.modules.jersey.EnunciateJerseyServletContainer;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ConfigurableApplicationContext;

import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.core.spi.component.ioc.IoCComponentProviderFactory;
import com.sun.jersey.spi.container.WebApplication;
import com.sun.jersey.spi.spring.container.SpringComponentProviderFactory;

/**
 * This should only be used by a plugin in the plugin.spring.xml file to initialize a Jersey.  The
 * presence of this servlet in the spring file will make it possible to write JAX-RS POJOs in your
 * plugin.
 * @author Aaron Phillips
 */
public class EnunciateJerseyPluginServlet extends EnunciateJerseyServletContainer
        implements ApplicationContextAware {

    private static final long serialVersionUID = 457538570048660945L;

    private ApplicationContext applicationContext;

    private static final Log logger = LogFactory.getLog(EnunciateJerseyPluginServlet.class);

    private Map<String, String> initParams = new HashMap<String, String>();

    public Map<String, String> getInitParams() {
        return initParams;
    }

    public void setInitParams(Map<String, String> initParams) {
        this.initParams = initParams;
    }

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }

    @Override
    protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // TODO Auto-generated method stub
        super.doPut(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // TODO Auto-generated method stub
        super.doPost(req, resp);
    }

    @Override
    public void service(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        logger.debug("servicing request for resource " + request.getPathInfo()); //$NON-NLS-1$
        //Strip out the content generator id from the URL here so Jersey can match the @Path of the resource
        HttpServletRequestWrapper wrapper = new HttpServletRequestWrapper(request) {

            @Override
            public String getRequestURI() {
                String uri = super.getRequestURI().replace("content/", "");
                return uri;
            }

            @Override
            public StringBuffer getRequestURL() {
                String url = super.getRequestURL().toString();
                return new StringBuffer(url.replace("content/", ""));
            }

        };
        super.service(wrapper, response);
    }

    @Override
    public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
        super.service(req, res);
    }

    @Override
    protected void initiate(ResourceConfig rc, WebApplication wa) {
        if (logger.isDebugEnabled()) {
            rc.getFeatures().put(ResourceConfig.FEATURE_TRACE, true);
            rc.getFeatures().put(ResourceConfig.FEATURE_TRACE_PER_REQUEST, true);
        }
        super.initiate(rc, wa);
    }

    @Override
    public void init(ServletConfig config) throws ServletException {
        ((MutableServletConfig) config).setInitParameters(initParams);
        super.init(config);
    }

    @SuppressWarnings("unchecked")
    @Override
    protected IoCComponentProviderFactory loadResourceProviderFacotry(ResourceConfig rc) {
        try {
            return new SpringComponentProviderFactory(rc, (ConfigurableApplicationContext) applicationContext);
        } catch (Throwable e) {
            throw new IllegalStateException("Unable to load the spring component provider factory.", e);
        }
    }

}