Jetty example source code file (Jetty6MavenConfiguration.java)

This example Jetty source code file (Jetty6MavenConfiguration.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 - Jetty tags/keywords

class, class, exception, file, file, io, ioexception, iterator, jetty6mavenconfiguration, malformedurlexception, net, network, object, object, reflection, string, string, unable, util

The Jetty Jetty6MavenConfiguration.java source code

//========================================================================
//$Id: Jetty6MavenConfiguration.java 1703 2007-03-28 05:04:41Z janb $
//Copyright 2000-2005 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//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.mortbay.jetty.plugin;

import java.io.File;
import java.io.IOException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Iterator;
import java.util.List;

import org.mortbay.jetty.plus.annotation.InjectionCollection;
import org.mortbay.jetty.plus.annotation.LifeCycleCallbackCollection;
import org.mortbay.jetty.plus.annotation.RunAsCollection;
import org.mortbay.jetty.plus.webapp.Configuration;
import org.mortbay.jetty.servlet.FilterHolder;
import org.mortbay.jetty.servlet.ServletHolder;
import org.mortbay.jetty.webapp.WebAppClassLoader;
import org.mortbay.log.Log;
import org.mortbay.util.LazyList;

public class Jetty6MavenConfiguration extends Configuration 
{
    private List classPathFiles;
    private File webXmlFile;
    
    
   
    public Jetty6MavenConfiguration()
    {
        super();
    }

    public void setClassPathConfiguration(List classPathFiles)
    {
        this.classPathFiles = classPathFiles;
    }
    
    public void setWebXml (File webXmlFile)
    {
        this.webXmlFile = webXmlFile;
    }
    
    
    /** Set up the classloader for the webapp, using the various parts of the Maven project
     * @see org.mortbay.jetty.webapp.Configuration#configureClassLoader()
     */
    public void configureClassLoader() throws Exception 
    {
        if (classPathFiles != null)
        {
            Log.debug("Setting up classpath ...");

            //put the classes dir and all dependencies into the classpath
            Iterator itor = classPathFiles.iterator();
            while (itor.hasNext())
                ((WebAppClassLoader)getWebAppContext().getClassLoader()).addClassPath(((File)itor.next()).getCanonicalPath());

            if (Log.isDebugEnabled())
                Log.debug("Classpath = "+LazyList.array2List(((URLClassLoader)getWebAppContext().getClassLoader()).getURLs()));
        }
        else
            super.configureClassLoader();
    }

    

    
    protected URL findWebXml () throws IOException, MalformedURLException
    {
        //if an explicit web.xml file has been set (eg for jetty:run) then use it
        if (webXmlFile != null && webXmlFile.exists())
            return webXmlFile.toURL();
        
        //if we haven't overridden location of web.xml file, use the
        //standard way of finding it
        Log.debug("Looking for web.xml file in WEB-INF");
        return super.findWebXml();
    }
    
    
    
    public void parseAnnotations()
    throws Exception
    {
        String v = System.getProperty("java.version");
        String[] version = v.split("\\.");
        if (version==null)
        {
            Log.info("Unable to determine jvm version, annotations will not be supported");
            return;
        }
        int  major = Integer.parseInt(version[0]);
        int minor = Integer.parseInt(version[1]);
        if ((major >= 1) && (minor >= 5))
        {     
            //TODO it would be nice to be able to re-use the parseAnnotations() method on 
            //the org.mortbay.jetty.annotations.Configuration class, but it's too difficult?
            
            //able to use annotations on on jdk1.5 and above
            Class annotationParserClass = Thread.currentThread().getContextClassLoader().loadClass("org.mortbay.jetty.annotations.AnnotationParser");
            Method parseAnnotationsMethod = 
                annotationParserClass.getMethod("parseAnnotations", new Class[] {Class.class, RunAsCollection.class, InjectionCollection.class, LifeCycleCallbackCollection.class });

            //look thru _servlets
            Iterator itor = LazyList.iterator(_servlets);
            while (itor.hasNext())
            {
                ServletHolder holder = (ServletHolder)itor.next();
                Class servlet = getWebAppContext().loadClass(holder.getClassName());
                parseAnnotationsMethod.invoke(null, new Object[] {servlet, _runAsCollection,  _injections, _callbacks});
            }

            //look thru _filters
            itor = LazyList.iterator(_filters);
            while (itor.hasNext())
            {
                FilterHolder holder = (FilterHolder)itor.next();
                Class filter = getWebAppContext().loadClass(holder.getClassName());
                parseAnnotationsMethod.invoke(null, new Object[] {filter, null, _injections, _callbacks});
            }

            //look thru _listeners
            itor = LazyList.iterator(_listeners);
            while (itor.hasNext())
            {
                Object listener = itor.next();
                parseAnnotationsMethod.invoke(null, new Object[] {listener.getClass(), null, _injections, _callbacks});
            }
        }
        else
            Log.info("Annotations are not supported on jvms prior to jdk1.5");
    }
}