/*

  * 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.webapp.impl;

 import java.io.InputStream;

 import javax.xml.parsers.SAXParser;

 import org.seasar.framework.util.SAXParserFactoryUtil;

 import org.seasar.framework.xml.SaxHandler;

 import org.seasar.framework.xml.SaxHandlerParser;

 import org.seasar.framework.xml.TagHandlerRule;

 import org.seasar.teeda.core.config.webapp.WebappConfigBuilder;

 import org.seasar.teeda.core.config.webapp.element.WebappConfig;

 import org.seasar.teeda.core.config.webapp.rule.WebappTagHandlerRule;

 /**

  * @author manhole

  */

 public class WebappConfigBuilderImpl implements WebappConfigBuilder {

     private static TagHandlerRule rule_ = new WebappTagHandlerRule();

     private static final String DTD_PATH = "javax/servlet/resources/web-app_2_3.dtd";

     private static final String PUBLIC_ID = "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN";

     public WebappConfig build(InputStream is, String path) {

         SaxHandlerParser parser = createSaxHandlerParser();

         return (WebappConfig) parser.parse(is);

     }

     private SaxHandlerParser createSaxHandlerParser() {

         SAXParser saxParser = SAXParserFactoryUtil.newSAXParser();

         SaxHandler handler = new SaxHandler(rule_);

         handler.registerDtdPath(PUBLIC_ID, DTD_PATH);

         return new SaxHandlerParser(handler, saxParser);

     }

 }