/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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.seasar.teeda.core.config.faces.impl;

 import java.io.InputStream;

 import java.util.LinkedList;

 import java.util.List;

 import javax.faces.internal.FacesConfigOptions;

 import org.seasar.framework.container.factory.WebResourceResolver;

 import org.seasar.framework.log.Logger;

 import org.seasar.framework.util.InputStreamUtil;

 import org.seasar.framework.util.StringUtil;

 import org.seasar.framework.xml.SaxHandlerParser;

 import org.seasar.teeda.core.config.faces.AbstractFacesConfigurator;

 import org.seasar.teeda.core.config.faces.element.FacesConfig;

 /**

  * @author shot

  */

 public class ConfigFilesFacesConfigurator extends AbstractFacesConfigurator {

     private static final Logger logger_ = Logger

             .getLogger(ConfigFilesFacesConfigurator.class);

     private static final String FACES_CONFIG_DELIMETER = ",";

     public ConfigFilesFacesConfigurator() {

         setResourceResolver(new WebResourceResolver());

     }

     public FacesConfig configure() {

         List configs = new LinkedList();

         String path = getPath();

         if (logger_.isDebugEnabled()) {

             logger_.debug("target file path = " + path);

         }

         if (path == null) {

             return null;

         }

         String[] paths = StringUtil.split(path, FACES_CONFIG_DELIMETER);

         for (int i = 0; i < paths.length; i++) {

             final String targetPath = paths[i];

             final SaxHandlerParser parser = createSaxHandlerParser();

             InputStream is = resourceResolver_

                     .getInputStream(targetPath.trim());

             try {

                 configs.add(parser.parse(is, targetPath));

             } finally {

                 InputStreamUtil.close(is);

             }

         }

         return FacesConfigUtil.collectAllFacesConfig(configs);

     }

     public String getPath() {

         return FacesConfigOptions.getConfigFiles();

     }

 }