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
|
/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.core.data;
import java.util.List;
import java.util.Map;
import javax.xml.transform.sax.TransformerHandler;
import org.eclipse.mylyn.tasks.core.data.ITaskDataWorkingCopy;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.core.data.TaskData;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
/**
* @author Steffen Pingel
*/
public class TaskDataStateWriter {
private static final String TASK_DATA_STATE_VERSION = "2.0"; //$NON-NLS-1$
private static final String CDATA = "CDATA"; //$NON-NLS-1$
private final TransformerHandler handler;
public TaskDataStateWriter(TransformerHandler handler) {
this.handler = handler;
}
public void write(ITaskDataWorkingCopy state) throws SAXException {
handler.startDocument();
AttributesImpl atts = new AttributesImpl();
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_CONNECTOR_KIND, CDATA, state.getConnectorKind()); //$NON-NLS-1$ //$NON-NLS-2$
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_REPOSITORY_URL, CDATA, state.getRepositoryUrl()); //$NON-NLS-1$ //$NON-NLS-2$
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_TASK_ID, CDATA, state.getTaskId()); //$NON-NLS-1$ //$NON-NLS-2$
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_VERSION, CDATA, TASK_DATA_STATE_VERSION); //$NON-NLS-1$ //$NON-NLS-2$
handler.startElement("", "", ITaskDataConstants.ELEMENT_TASK_STATE, atts); //$NON-NLS-1$ //$NON-NLS-2$
if (state.getRepositoryData() != null) {
writeTaskData(state.getRepositoryData(), ITaskDataConstants.ELEMENT_NEW_DATA);
}
if (state.getLastReadData() != null) {
writeTaskData(state.getLastReadData(), ITaskDataConstants.ELEMENT_OLD_DATA);
}
if (state.getEditsData() != null) {
writeTaskData(state.getEditsData(), ITaskDataConstants.ELEMENT_EDITS_DATA);
}
handler.endElement("", "", ITaskDataConstants.ELEMENT_TASK_STATE); //$NON-NLS-1$ //$NON-NLS-2$
handler.endDocument();
}
private void writeTaskData(TaskData taskData, String elementName) throws SAXException {
AttributesImpl atts = new AttributesImpl();
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_CONNECTOR_KIND, CDATA, taskData.getConnectorKind()); //$NON-NLS-1$ //$NON-NLS-2$
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_REPOSITORY_URL, CDATA, taskData.getRepositoryUrl()); //$NON-NLS-1$ //$NON-NLS-2$
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_TASK_ID, CDATA, taskData.getTaskId()); //$NON-NLS-1$ //$NON-NLS-2$
if (taskData.getVersion() != null) {
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_VERSION, CDATA, taskData.getVersion()); //$NON-NLS-1$ //$NON-NLS-2$
}
handler.startElement("", "", elementName, atts); //$NON-NLS-1$ //$NON-NLS-2$
atts.clear();
handler.startElement("", "", ITaskDataConstants.ELEMENT_ATTRIBUTES, atts); //$NON-NLS-1$ //$NON-NLS-2$
writeTaskAttribute(taskData.getRoot());
handler.endElement("", "", ITaskDataConstants.ELEMENT_ATTRIBUTES); //$NON-NLS-1$ //$NON-NLS-2$
handler.endElement("", "", elementName); //$NON-NLS-1$ //$NON-NLS-2$
}
private void writeTaskAttribute(TaskAttribute attribute) throws SAXException {
AttributesImpl atts = new AttributesImpl();
atts.addAttribute("", "", ITaskDataConstants.ATTRIBUTE_ID, CDATA, attribute.getId()); //$NON-NLS-1$ //$NON-NLS-2$
handler.startElement("", "", ITaskDataConstants.ELEMENT_ATTRIBUTE, atts); //$NON-NLS-1$ //$NON-NLS-2$
atts.clear();
handler.startElement("", "", ITaskDataConstants.ELEMENT_VALUES, atts); //$NON-NLS-1$ //$NON-NLS-2$
List<String> values = attribute.getValues();
for (String value : values) {
handler.startElement("", "", ITaskDataConstants.ELEMENT_VALUE, atts); //$NON-NLS-1$ //$NON-NLS-2$
handler.characters(value.toCharArray(), 0, value.length());
handler.endElement("", "", ITaskDataConstants.ELEMENT_VALUE); //$NON-NLS-1$ //$NON-NLS-2$
}
handler.endElement("", "", ITaskDataConstants.ELEMENT_VALUES); //$NON-NLS-1$ //$NON-NLS-2$
handler.startElement("", "", ITaskDataConstants.ELEMENT_OPTIONS, atts); //$NON-NLS-1$ //$NON-NLS-2$
writeMap(atts, attribute.getOptions(), ITaskDataConstants.ELEMENT_OPTION);
handler.endElement("", "", ITaskDataConstants.ELEMENT_OPTIONS); //$NON-NLS-1$ //$NON-NLS-2$
handler.startElement("", "", ITaskDataConstants.ELEMENT_META_DATA, atts); //$NON-NLS-1$ //$NON-NLS-2$
writeMap(atts, attribute.getMetaData().getValues(), ITaskDataConstants.ELEMENT_META);
handler.endElement("", "", ITaskDataConstants.ELEMENT_META_DATA); //$NON-NLS-1$ //$NON-NLS-2$
handler.startElement("", "", ITaskDataConstants.ELEMENT_ATTRIBUTES, atts); //$NON-NLS-1$ //$NON-NLS-2$
Map<String, TaskAttribute> children = attribute.getAttributes();
for (TaskAttribute child : children.values()) {
writeTaskAttribute(child);
}
handler.endElement("", "", ITaskDataConstants.ELEMENT_ATTRIBUTES); //$NON-NLS-1$ //$NON-NLS-2$
handler.endElement("", "", ITaskDataConstants.ELEMENT_ATTRIBUTE); //$NON-NLS-1$ //$NON-NLS-2$
}
private void writeMap(AttributesImpl atts, Map<String, String> options, String elementName) throws SAXException {
for (String key : options.keySet()) {
String value = options.get(key);
handler.startElement("", "", elementName, atts); //$NON-NLS-1$ //$NON-NLS-2$
handler.startElement("", "", ITaskDataConstants.ELEMENT_KEY, atts); //$NON-NLS-1$ //$NON-NLS-2$
handler.characters(key.toCharArray(), 0, key.length());
handler.endElement("", "", ITaskDataConstants.ELEMENT_KEY); //$NON-NLS-1$ //$NON-NLS-2$
handler.startElement("", "", ITaskDataConstants.ELEMENT_VALUE, atts); //$NON-NLS-1$ //$NON-NLS-2$
handler.characters(value.toCharArray(), 0, value.length());
handler.endElement("", "", ITaskDataConstants.ELEMENT_VALUE); //$NON-NLS-1$ //$NON-NLS-2$
handler.endElement("", "", elementName); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}
|