AndroidWebInfConfiguration.java

//========================================================================
//$Id: AndroidWebInfConfiguration.java 391 2011-02-08 01:06:04Z janb.webtide $
//Copyright 2008 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 cn.ccsu.webapp;

import java.util.List;

import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.resource.Resource;
import org.eclipse.jetty.util.resource.ResourceCollection;
import org.eclipse.jetty.webapp.WebAppContext;
import org.eclipse.jetty.webapp.WebInfConfiguration;

public class AndroidWebInfConfiguration extends WebInfConfiguration {

    /**
     * 
     */
    private static final long serialVersionUID = 8235322314977241413L;

    
    public void preConfigure(WebAppContext context)
    throws Exception
    {
       
        context.setClassLoader(new AndroidClassLoader(this.getClass().getClassLoader(), context));
        
        super.preConfigure(context);
        Log.debug("Setting classloader parent="+this.getClass().getClassLoader()+" for context: "+context);
        
    }
    
    
    public void configure(WebAppContext context)
    throws Exception
    {
        //cannot configure if the context is already started
        if (context.isStarted())
        {
            if (Log.isDebugEnabled()){Log.debug("Cannot configure webapp "+context+" after it is started");}
            return;
        }

        Resource web_inf = context.getWebInf();
        String paths = "";
        //Make a loader containing all .zip files in WEB-INF/lib
        if ((web_inf != null) && web_inf.isDirectory()) 
        {
            Resource lib = web_inf.addPath("lib/");

            ((AndroidClassLoader)context.getClassLoader()).addJars(lib);
            /*
            if (lib.exists() || lib.isDirectory()) 
            {
                for (String dex : lib.list()) 
                {
                    if (dex.endsWith("zip") || dex.endsWith("apk")) 
                    {
                        String fullpath = web_inf.addPath("lib/").addPath(dex).getFile().getAbsolutePath();
                        if (!"".equals(paths)) 
                        {
                            paths += ":";
                        }

                        paths += fullpath;
                    }
                }
            }
            */
        }

        //initialize the paths for the dex class loader
        ((AndroidClassLoader)context.getClassLoader()).init();

        
        // Look for extra resource
        List<Resource> resources = (List<Resource>)context.getAttribute(RESOURCE_URLS);
        if (resources!=null)
        {
            Resource[] collection=new Resource[resources.size()+1];
            int i=0;
            collection[i++]=context.getBaseResource();
            for (Resource resource : resources)
                collection[i++]=resource;
            context.setBaseResource(new ResourceCollection(collection));
        } 
    }
}