nl.tue.gale.ae.config.GaleContextLoader.java Source code

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Here is the source code for nl.tue.gale.ae.config.GaleContextLoader.java

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/*
    
   This file is part of GALE (Generic Adaptation Language and Engine).
    
GALE is free software: you can redistribute it and/or modify it under the 
terms of the GNU Lesser General Public License as published by the Free 
Software Foundation, either version 3 of the License, or (at your option) 
any later version.
    
GALE is distributed in the hope that it will be useful, but WITHOUT ANY 
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for 
more details.
    
You should have received a copy of the GNU Lesser General Public License
along with GALE. If not, see <http://www.gnu.org/licenses/>.
    
 */
/**
 * GaleContextLoader.java
 * Last modified: $Date$
 * In revision:   $Revision$
 * Modified by:   $Author$
 *
 * Copyright (c) 2008-2011 Eindhoven University of Technology.
 * All Rights Reserved.
 *
 * This software is proprietary information of the Eindhoven University
 * of Technology. It may be used according to the GNU LGPL license.
 */
package nl.tue.gale.ae.config;

import static nl.tue.gale.common.GaleUtil.enumIterable;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

import javax.servlet.ServletContext;

import org.springframework.web.context.ConfigurableWebApplicationContext;
import org.springframework.web.context.ContextLoader;

public class GaleContextLoader extends ContextLoader {
    public GaleContextLoader() {
        super();
    }

    @Override
    protected void customizeContext(ServletContext sc, ConfigurableWebApplicationContext ac) {
        super.customizeContext(sc, ac);
        ArrayList<String> locations = new ArrayList<String>();
        locations.addAll(Arrays.asList(ac.getConfigLocations()));
        findLocations(sc, locations);
        ac.setConfigLocations(locations.toArray(new String[] {}));
    }

    private void findLocations(ServletContext sc, List<String> locations) {
        @SuppressWarnings("unchecked")
        Set<String> paths = (Set<String>) sc.getResourcePaths("/WEB-INF/lib/");
        for (String path : paths)
            if (path.endsWith(".jar"))
                findInJar(sc, path, locations);
    }

    private void findInJar(ServletContext sc, String path, List<String> locations) {
        try {
            JarFile jar = new JarFile(sc.getRealPath(path));
            for (JarEntry entry : enumIterable(jar.entries())) {
                if (entry.getName().endsWith("-galeconfig.xml"))
                    locations.add("classpath:" + entry.getName());
            }
            jar.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}