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 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you 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   *
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 * 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.                                           *
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package org.apache.james.container.spring.context;

import java.io.File;
import java.io.IOException;

import org.apache.james.container.spring.resource.DefaultJamesResourceLoader;
import org.apache.james.container.spring.resource.JamesResourceLoader;
import org.apache.james.server.core.JamesServerResourceLoader;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.core.io.Resource;

/**
 * {@link ApplicationContext} which loads all needed Spring beans for JAMES
 */
public class JamesServerApplicationContext extends ClassPathXmlApplicationContext implements JamesResourceLoader {

    /**
     * The resourceloader to use. This must be defined as static, otherwise it
     * will fail to startup..
     */
    private static final JamesResourceLoader resourceLoader = new DefaultJamesResourceLoader(new JamesServerResourceLoader("../"));

    public JamesServerApplicationContext(String[] configs) {
        super(configs);
    }

    @Override
    public void validate(File file) throws IOException {
        resourceLoader.validate(file);
    }

    /**
     * Protected accessor for the resource loader.
     */
    protected JamesResourceLoader getResourceLoader() {
        return resourceLoader;
    }
    
    @Override
    public Resource getResource(String fileURL) {
        // delegate the loading to the resourceloader
        Resource r = getResourceLoader().getResource(fileURL);
        if (r == null) {
            r = super.getResource(fileURL);
        }
        return r;
    }

    @Override
    public String getAbsoluteDirectory() {
        return getResourceLoader().getAbsoluteDirectory();
    }

    @Override
    public String getConfDirectory() {
        return getResourceLoader().getConfDirectory();
    }

    @Override
    public String getVarDirectory() {
        return getResourceLoader().getVarDirectory();
    }

    @Override
    public String getRootDirectory() {
        return getResourceLoader().getRootDirectory();
    }

}