/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.vcloud.xml;
import static org.jclouds.vcloud.util.Utils.newReferenceType;
import static org.jclouds.vcloud.util.Utils.putReferenceType;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.util.SaxUtils;
import org.jclouds.vcloud.VCloudMediaType;
import org.jclouds.vcloud.domain.Catalog;
import org.jclouds.vcloud.domain.ReferenceType;
import org.jclouds.vcloud.domain.Task;
import org.jclouds.vcloud.domain.internal.CatalogImpl;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
public class CatalogHandler extends ParseSax.HandlerWithResult<Catalog> {
protected final TaskHandler taskHandler;
@Inject
public CatalogHandler(TaskHandler taskHandler) {
this.taskHandler = taskHandler;
}
private StringBuilder currentText = new StringBuilder();
private ReferenceType catalog;
private Map<String, ReferenceType> contents = Maps.newLinkedHashMap();
protected List<Task> tasks = Lists.newArrayList();
private String description;
private ReferenceType org;
private boolean published = true;
private boolean readOnly = true;
public Catalog getResult() {
return new CatalogImpl(catalog.getName(), catalog.getType(), catalog.getHref(), org, description, contents,
tasks, published, readOnly);
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
Map<String, String> attributes = SaxUtils.cleanseAttributes(attrs);
if (SaxUtils.equalsOrSuffix(qName, "Catalog")) {
catalog = newReferenceType(attributes, VCloudMediaType.CATALOG_XML);
} else if (SaxUtils.equalsOrSuffix(qName, "CatalogItem")) {
putReferenceType(contents, attributes);
} else if (SaxUtils.equalsOrSuffix(qName, "Link") && "up".equals(attributes.get("rel"))) {
org = newReferenceType(attributes);
} else if (SaxUtils.equalsOrSuffix(qName, "Link") && "add".equals(attributes.get("rel"))) {
readOnly = false;
} else {
taskHandler.startElement(uri, localName, qName, attrs);
}
}
public void endElement(String uri, String name, String qName) {
taskHandler.endElement(uri, name, qName);
if (SaxUtils.equalsOrSuffix(qName, "Task")) {
this.tasks.add(taskHandler.getResult());
} else if (SaxUtils.equalsOrSuffix(qName, "Description")) {
description = currentOrNull();
} else if (SaxUtils.equalsOrSuffix(qName, "IsPublished")) {
published = Boolean.parseBoolean(currentOrNull());
}
currentText = new StringBuilder();
}
public void characters(char ch[], int start, int length) {
currentText.append(ch, start, length);
}
protected String currentOrNull() {
String returnVal = currentText.toString().trim();
return returnVal.equals("") ? null : returnVal;
}
}