1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
*
* 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;
}
}
|
