| /* |
| * |
| * 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.apache.qpid.info.util; |
| |
| import java.util.Map; |
| |
| /** |
| * |
| * Naive and rudimentary XML writer |
| * It has methods to write the header, a tag with attributes |
| * and values. It escapes the XML special characters |
| */ |
| public class XMLWriter |
| { |
| |
| private final StringBuffer _sb; |
| |
| private final String INDENT = " "; |
| |
| public XMLWriter(StringBuffer sb) |
| { |
| _sb = sb; |
| } |
| |
| public StringBuffer getXML() |
| { |
| return _sb; |
| } |
| |
| public void writeXMLHeader() |
| { |
| _sb.append("<?xml version=\"1.0\"?>\n"); |
| } |
| |
| public void writeTag(String tagName, Map<String, String> attributes, |
| String value) |
| { |
| writeOpenTag(tagName, attributes); |
| writeValue(value); |
| writeCloseTag(tagName); |
| } |
| |
| public void writeOpenTag(String tagName, Map<String, String> attributes) |
| { |
| _sb.append("<").append(tagName); |
| if (null == attributes) |
| { |
| _sb.append(">\n"); |
| return; |
| } |
| for (String key : attributes.keySet()) |
| { |
| _sb.append(" ").append(key + "=\"" + attributes.get(key) + "\""); |
| } |
| _sb.append(">\n"); |
| |
| } |
| |
| private void writeValue(String val) |
| { |
| _sb.append(INDENT).append(escapeXML(val) + "\n"); |
| } |
| |
| public void writeCloseTag(String tagName) |
| { |
| _sb.append("</" + tagName + ">\n"); |
| } |
| |
| private String escapeXML(String xmlStr) |
| { |
| if (null == xmlStr) |
| return null; |
| xmlStr = xmlStr.replaceAll("&", "&"); |
| xmlStr = xmlStr.replace("<", "<"); |
| xmlStr = xmlStr.replace(">", ">"); |
| xmlStr = xmlStr.replace("\"", """); |
| xmlStr = xmlStr.replace("'", "'"); |
| return xmlStr; |
| } |
| |
| } |