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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*******************************************************************************
* Copyright (c) 2015 Rapicorp, Inc and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Rapicorp, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.publisher.eclipse;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.xpath.*;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
public class InfoPListEditor {
public static final String MARKER_KEY = "CFBundleExecutable"; //$NON-NLS-1$
public static final String BUNDLE_KEY = "CFBundleName"; //$NON-NLS-1$
public static final String BUNDLE_ID_KEY = "CFBundleIdentifier"; //$NON-NLS-1$
public static final String BUNDLE_INFO_KEY = "CFBundleGetInfoString"; //$NON-NLS-1$
public static final String BUNDLE_VERSION_KEY = "CFBundleVersion"; //$NON-NLS-1$
public static final String BUNDLE_SHORT_VERSION_KEY = "CFBundleShortVersionString"; //$NON-NLS-1$
public static final String ICON_KEY = "CFBundleIconFile"; //$NON-NLS-1$
private final Element infoPList;
private XPath xPathTool;
private final Document document;
private InfoPListEditor(Document doc) {
document = doc;
infoPList = document.getDocumentElement();
}
public static InfoPListEditor loadPListEditor(File file) throws IOException {
if (!file.exists()) {
throw new IOException("No file at " + file.getAbsoluteFile()); //$NON-NLS-1$
}
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
Exception exception;
try {
factory.setValidating(false);
factory.setNamespaceAware(true);
//These setFeature calls are necessary to disable the validation of the DTD in the info.plist
factory.setFeature("http://xml.org/sax/features/namespaces", false); //$NON-NLS-1$
factory.setFeature("http://xml.org/sax/features/validation", false); //$NON-NLS-1$
factory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false); //$NON-NLS-1$
factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false); //$NON-NLS-1$
builder = factory.newDocumentBuilder();
return new InfoPListEditor(builder.parse(file));
} catch (ParserConfigurationException e) {
exception = e;
} catch (SAXException e) {
exception = e;
} catch (IOException e) {
exception = e;
}
throw new IOException("Problem parsing " + file.getAbsolutePath(), exception); //$NON-NLS-1$
}
public void save(File file) throws TransformerException {
final TransformerFactory transformerFactory = TransformerFactory.newInstance();
final Transformer transformer = transformerFactory.newTransformer();
final DOMSource toSerialize = new DOMSource(document);
final StreamResult output = new StreamResult(file);
transformer.setOutputProperty(OutputKeys.VERSION, "1.0"); //$NON-NLS-1$
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); //$NON-NLS-1$
transformer.setOutputProperty(OutputKeys.STANDALONE, "yes"); //$NON-NLS-1$
transformer.setOutputProperty(OutputKeys.INDENT, "yes"); //$NON-NLS-1$
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2"); //$NON-NLS-1$//$NON-NLS-2$
transformer.transform(toSerialize, output);
}
private Node getNode(Node node, String expression) throws XPathExpressionException {
return (Node) getXPathTool().evaluate(expression, node, XPathConstants.NODE);
}
public void setKey(String key, String value) {
if (key == null)
throw new IllegalArgumentException("Key can't be null"); //$NON-NLS-1$
if (value == null)
throw new IllegalArgumentException("Value can't be null"); //$NON-NLS-1$
String expression = String.format("/plist/dict/key[text() = '%s']/following-sibling::string[1]", key); //$NON-NLS-1$
Node node;
try {
node = getNode(infoPList, expression);
if (node != null)
node.getFirstChild().setNodeValue(value);
else
addKey(key, value);
} catch (XPathExpressionException e) {
//Can't happen since we craft the expression carefully
}
}
private void addKey(String key, String value) throws DOMException, XPathExpressionException {
Element keyNode = document.createElement("key"); //$NON-NLS-1$
Text keyName = document.createTextNode(key);
keyNode.appendChild(keyName);
Element stringNode = document.createElement("string"); //$NON-NLS-1$
Text stringValue = document.createTextNode(value);
stringNode.appendChild(stringValue);
getNode(infoPList, "/plist/dict").appendChild(keyNode); //$NON-NLS-1$
getNode(infoPList, "/plist/dict").appendChild(stringNode); //$NON-NLS-1$
}
private XPath getXPathTool() {
if (xPathTool == null) {
xPathTool = XPathFactory.newInstance().newXPath();
}
return xPathTool;
}
public void setEclipseArgument(String key, String value) {
if (key == null)
throw new IllegalArgumentException("Key can't be null"); //$NON-NLS-1$
String expression = "/plist/dict/key[text() = 'Eclipse']/following-sibling::array[1]/string[text() = -keyring'"; //$NON-NLS-1$
Node node;
try {
node = getNode(infoPList, expression);
if (node != null)
node.getFirstChild().setNodeValue(value);
else
addKey(key, value);
} catch (XPathExpressionException e) {
//Can't happen since we craft the expression carefully
}
}
private List<String> getValues(Object startingPoint, String expression) throws XPathExpressionException {
NodeList nodeList = (NodeList) getXPathTool().evaluate(expression, startingPoint, XPathConstants.NODESET);
List<String> result = new ArrayList<String>(nodeList.getLength());
for (int ix = 0; ix < nodeList.getLength(); ++ix) {
result.add(nodeList.item(ix).getNodeValue());
}
return result;
}
private List<Node> removeNodes(Object startingPoint, String expression) throws XPathExpressionException {
NodeList nodeList = (NodeList) getXPathTool().evaluate(expression, startingPoint, XPathConstants.NODESET);
List<Node> result = new ArrayList<Node>(nodeList.getLength());
for (int ix = 0; ix < nodeList.getLength(); ++ix) {
result.add(nodeList.item(ix).getParentNode().removeChild(nodeList.item(ix)));
}
return result;
}
public List<String> getEclipseArguments() {
try {
return getValues(infoPList, "/plist/dict/key[text() = 'Eclipse']/following-sibling::array[1]/string/text()"); //$NON-NLS-1$
} catch (XPathExpressionException e) {
//Can't happen the expression is carefully crafted
return null;
}
}
public void setEclipseArguments(List<String> arguments) {
try {
removeNodes(infoPList, "/plist/dict/key[text() = 'Eclipse']/following-sibling::array[1]/string"); //$NON-NLS-1$
for (String arg : arguments) {
Element stringNode = document.createElement("string"); //$NON-NLS-1$
Text stringName = document.createTextNode(arg);
stringNode.appendChild(stringName);
Node toAppendTo = getNode(infoPList, "/plist/dict/key[text() = 'Eclipse']/following-sibling::array[1]"); //$NON-NLS-1$
toAppendTo.appendChild(stringNode);
}
} catch (XPathExpressionException e) {
//can't happen
}
}
}
|
