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/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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
*
* 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.common.base.Throwables;
import com.google.inject.AbstractModule;
import com.google.inject.Injector;
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);
}
static class Factory implements ParseSax.Factory {
private final SAXParserFactory factory;
private final Injector i;
@Inject
Factory(SAXParserFactory factory, Injector i) {
this.factory = factory;
this.i = i;
}
public <T> ParseSax<T> create(HandlerWithResult<T> handler) {
SAXParser saxParser;
try {
saxParser = factory.newSAXParser();
XMLReader parser = saxParser.getXMLReader();
// TODO: switch to @AssistedInject
ParseSax<T> returnVal = new ParseSax<T>(parser, handler);
i.injectMembers(returnVal);
return returnVal;
} catch (Exception e) {
throw Throwables.propagate(e);
}
}
}
@Provides
@Singleton
SAXParserFactory provideSAXParserFactory() {
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(false);
factory.setValidating(false);
return factory;
}
}