/**
    *
    * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com>
    *
    * ====================================================================
    * 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.jclouds.http.functions.config;
  
  import javax.inject.Inject;
  import javax.inject.Singleton;
  import javax.xml.parsers.SAXParser;
  import javax.xml.parsers.SAXParserFactory;
  
  import org.jclouds.http.functions.ParseSax;
  import org.jclouds.http.functions.ParseSax.HandlerWithResult;
  import org.xml.sax.XMLReader;
  
  import com.google.inject.AbstractModule;
  import com.google.inject.Provides;
  import com.google.inject.Scopes;
  
  /**
   * Contains logic for parsing objects from Strings.
   * 
   * @author Adrian Cole
   */
  public class SaxParserModule extends AbstractModule {
  
     protected void configure() {
        bind(ParseSax.Factory.class).to(Factory.class).in(Scopes.SINGLETON);
     }
  
     private static class Factory implements ParseSax.Factory {
        @Inject
        private SAXParserFactory factory;
  
        public <T> ParseSax<T> create(HandlerWithResult<T> handler) {
           SAXParser saxParser;
           try {
              saxParser = factory.newSAXParser();
              XMLReader parser = saxParser.getXMLReader();
              return new ParseSax<T>(parser, handler);
           } catch (Exception e) {
              throw new RuntimeException(e);
           }
  
        }
     }
  
     @Provides
     @Singleton
     SAXParserFactory provideSAXParserFactory() {
        SAXParserFactory factory = SAXParserFactory.newInstance();
        factory.setNamespaceAware(false);
        factory.setValidating(false);
        return factory;
     }
  
  }