/**
* 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.ovf.xml;
import static org.jclouds.util.SaxUtils.currentOrNull;
import static org.jclouds.util.SaxUtils.equalsOrSuffix;
import javax.inject.Provider;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.ovf.Section;
import org.jclouds.ovf.Section.Builder;
/**
* @author Adrian Cole
*/
public class SectionHandler<T extends Section<T>, B extends Section.Builder<T>> extends ParseSax.HandlerWithResult<T> {
@SuppressWarnings("unchecked")
public static SectionHandler create() {
return new SectionHandler(new Provider<Section.Builder>() {
@Override
public Builder get() {
return new Section.Builder();
}
});
}
protected final Provider<? extends Section.Builder<T>> builderProvider;
protected StringBuilder currentText = new StringBuilder();
protected B builder;
public SectionHandler(Provider<B> builderProvider) {
this.builderProvider = builderProvider;
this.builder = builderProvider.get();
}
@SuppressWarnings("unchecked")
public T getResult() {
try {
return (T) builder.build();
} finally {
builder = (B) builderProvider.get();
}
}
@Override
public void endElement(String uri, String localName, String qName) {
if (equalsOrSuffix(qName, "Info")) {
builder.info(currentOrNull(currentText));
}
currentText = new StringBuilder();
}
public void characters(char ch[], int start, int length) {
currentText.append(ch, start, length);
}
}