| /* |
| * 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.aws.ec2.xml; |
| |
| import static org.jclouds.util.SaxUtils.equalsOrSuffix; |
| |
| import org.jclouds.aws.ec2.domain.VPC; |
| import org.jclouds.http.functions.ParseSax; |
| import org.xml.sax.Attributes; |
| |
| import com.google.common.collect.FluentIterable; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ImmutableSet.Builder; |
| import com.google.inject.Inject; |
| |
| /** |
| * @see <a href="http://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeVpcs.html">xml</a> |
| */ |
| public class DescribeVPCsResponseHandler extends |
| ParseSax.HandlerForGeneratedRequestWithResult<FluentIterable<VPC>> { |
| private final VPCHandler vpcHandler; |
| |
| private StringBuilder currentText = new StringBuilder(); |
| private boolean inVpcSet; |
| private boolean inTagSet; |
| private Builder<VPC> vpcs = ImmutableSet.builder(); |
| |
| @Inject |
| public DescribeVPCsResponseHandler(VPCHandler vpcHandler) { |
| this.vpcHandler = vpcHandler; |
| } |
| |
| @Override |
| public FluentIterable<VPC> getResult() { |
| return FluentIterable.from(vpcs.build()); |
| } |
| |
| @Override |
| public void startElement(String url, String name, String qName, Attributes attributes) { |
| if (equalsOrSuffix(qName, "vpcSet")) { |
| inVpcSet = true; |
| } else if (inVpcSet) { |
| if (equalsOrSuffix(qName, "tagSet")) { |
| inTagSet = true; |
| } |
| vpcHandler.startElement(url, name, qName, attributes); |
| } |
| } |
| |
| @Override |
| public void endElement(String uri, String name, String qName) { |
| if (equalsOrSuffix(qName, "vpcSet")) { |
| inVpcSet = false; |
| } else if (equalsOrSuffix(qName, "tagSet")) { |
| inTagSet = false; |
| vpcHandler.endElement(uri, name, qName); |
| } else if (equalsOrSuffix(qName, "item") && !inTagSet) { |
| vpcs.add(vpcHandler.getResult()); |
| } else if (inVpcSet) { |
| vpcHandler.endElement(uri, name, qName); |
| } |
| |
| currentText.setLength(0); |
| } |
| |
| @Override |
| public void characters(char ch[], int start, int length) { |
| if (inVpcSet) { |
| vpcHandler.characters(ch, start, length); |
| } else { |
| currentText.append(ch, start, length); |
| } |
| } |
| } |