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1 | /*******************************************************************************\r |
2 | * Copyright (c) 2010 Ericsson\r | |
3 | * \r | |
4 | * All rights reserved. This program and the accompanying materials are\r | |
5 | * made available under the terms of the Eclipse Public License v1.0 which\r | |
6 | * accompanies this distribution, and is available at\r | |
7 | * http://www.eclipse.org/legal/epl-v10.html\r | |
8 | * \r | |
9 | * Contributors:\r | |
10 | * Yuriy Vashchuk (yvashchuk@gmail.com) - Initial API and implementation\r | |
11 | * based on http://smeric.developpez.com/java/cours/xml/sax/\r | |
12 | * Patrick Tasse - Refactoring\r | |
13 | *******************************************************************************/\r | |
14 | \r | |
6c13869b | 15 | package org.eclipse.linuxtools.tmf.core.filter.xml;\r |
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16 | \r |
17 | import java.util.Stack;\r | |
18 | \r | |
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19 | import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode;\r |
20 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterAndNode;\r | |
21 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterCompareNode;\r | |
22 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterContainsNode;\r | |
23 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterEqualsNode;\r | |
24 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterEventTypeNode;\r | |
25 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterMatchesNode;\r | |
26 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterNode;\r | |
27 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterOrNode;\r | |
28 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterRootNode;\r | |
29 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterTreeNode;\r | |
30 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterCompareNode.Type;\r | |
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31 | import org.xml.sax.Attributes;\r |
32 | import org.xml.sax.SAXException;\r | |
33 | import org.xml.sax.helpers.DefaultHandler;\r | |
34 | \r | |
35 | /**\r | |
d37aaa7f FC |
36 | * The SAX Content Handler\r |
37 | * \r | |
38 | * @version 1.0\r | |
39 | * @author Yuriy Vashchuk\r | |
40 | * @author Patrick Tasse\r | |
46ab8ce3 FC |
41 | */\r |
42 | public class TmfFilterContentHandler extends DefaultHandler {\r | |
43 | \r | |
44 | private ITmfFilterTreeNode fRoot = null;\r | |
45 | private Stack<ITmfFilterTreeNode> fFilterTreeStack = null;\r | |
46 | \r | |
47 | /**\r | |
48 | * The default constructor\r | |
49 | */ \r | |
50 | public TmfFilterContentHandler() {\r | |
51 | super();\r | |
52 | fFilterTreeStack = new Stack<ITmfFilterTreeNode>();\r | |
53 | }\r | |
54 | \r | |
55 | /**\r | |
56 | * Getter of tree\r | |
57 | * \r | |
58 | * @return The builded tree\r | |
59 | */ \r | |
60 | public ITmfFilterTreeNode getTree() {\r | |
61 | return fRoot;\r | |
62 | }\r | |
63 | \r | |
64 | /*\r | |
65 | * (non-Javadoc)\r | |
66 | * @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)\r | |
67 | */\r | |
68 | @Override\r | |
69 | public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {\r | |
70 | ITmfFilterTreeNode node = null;\r | |
71 | \r | |
72 | if (localName.equalsIgnoreCase(TmfFilterRootNode.NODE_NAME)) {\r | |
73 | \r | |
74 | node = new TmfFilterRootNode();\r | |
75 | \r | |
76 | } else if (localName.equals(TmfFilterNode.NODE_NAME)) {\r | |
77 | \r | |
78 | node = new TmfFilterNode(atts.getValue(TmfFilterNode.NAME_ATTR));\r | |
79 | \r | |
80 | } else if (localName.equals(TmfFilterEventTypeNode.NODE_NAME)) {\r | |
81 | \r | |
82 | node = new TmfFilterEventTypeNode(null);\r | |
83 | ((TmfFilterEventTypeNode) node).setEventType(atts.getValue(TmfFilterEventTypeNode.TYPE_ATTR));\r | |
84 | ((TmfFilterEventTypeNode) node).setName(atts.getValue(TmfFilterEventTypeNode.NAME_ATTR));\r | |
85 | \r | |
86 | } else if (localName.equals(TmfFilterAndNode.NODE_NAME)) {\r | |
87 | \r | |
88 | node = new TmfFilterAndNode(null);\r | |
89 | String value = atts.getValue(TmfFilterAndNode.NOT_ATTR);\r | |
90 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
91 | ((TmfFilterAndNode) node).setNot(true);\r | |
92 | }\r | |
93 | \r | |
94 | } else if (localName.equals(TmfFilterOrNode.NODE_NAME)) {\r | |
95 | \r | |
96 | node = new TmfFilterOrNode(null);\r | |
97 | String value = atts.getValue(TmfFilterOrNode.NOT_ATTR);\r | |
98 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
99 | ((TmfFilterOrNode) node).setNot(true);\r | |
100 | }\r | |
101 | \r | |
102 | } else if (localName.equals(TmfFilterContainsNode.NODE_NAME)) {\r | |
103 | \r | |
104 | node = new TmfFilterContainsNode(null);\r | |
105 | String value = atts.getValue(TmfFilterContainsNode.NOT_ATTR);\r | |
106 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
107 | ((TmfFilterContainsNode) node).setNot(true);\r | |
108 | }\r | |
109 | ((TmfFilterContainsNode) node).setField(atts.getValue(TmfFilterContainsNode.FIELD_ATTR));\r | |
110 | ((TmfFilterContainsNode) node).setValue(atts.getValue(TmfFilterContainsNode.VALUE_ATTR));\r | |
111 | value = atts.getValue(TmfFilterContainsNode.IGNORECASE_ATTR);\r | |
112 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
113 | ((TmfFilterContainsNode) node).setIgnoreCase(true);\r | |
114 | }\r | |
115 | \r | |
116 | } else if (localName.equals(TmfFilterEqualsNode.NODE_NAME)) {\r | |
117 | \r | |
118 | node = new TmfFilterEqualsNode(null);\r | |
119 | String value = atts.getValue(TmfFilterEqualsNode.NOT_ATTR);\r | |
120 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
121 | ((TmfFilterEqualsNode) node).setNot(true);\r | |
122 | }\r | |
123 | ((TmfFilterEqualsNode) node).setField(atts.getValue(TmfFilterEqualsNode.FIELD_ATTR));\r | |
124 | ((TmfFilterEqualsNode) node).setValue(atts.getValue(TmfFilterEqualsNode.VALUE_ATTR));\r | |
125 | value = atts.getValue(TmfFilterEqualsNode.IGNORECASE_ATTR);\r | |
126 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
127 | ((TmfFilterEqualsNode) node).setIgnoreCase(true);\r | |
128 | }\r | |
129 | \r | |
130 | } else if (localName.equals(TmfFilterMatchesNode.NODE_NAME)) {\r | |
131 | \r | |
132 | node = new TmfFilterMatchesNode(null);\r | |
133 | String value = atts.getValue(TmfFilterMatchesNode.NOT_ATTR);\r | |
134 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
135 | ((TmfFilterMatchesNode) node).setNot(true);\r | |
136 | }\r | |
137 | ((TmfFilterMatchesNode) node).setField(atts.getValue(TmfFilterMatchesNode.FIELD_ATTR));\r | |
138 | ((TmfFilterMatchesNode) node).setRegex(atts.getValue(TmfFilterMatchesNode.REGEX_ATTR));\r | |
139 | \r | |
140 | } else if (localName.equals(TmfFilterCompareNode.NODE_NAME)) {\r | |
141 | \r | |
142 | node = new TmfFilterCompareNode(null);\r | |
143 | String value = atts.getValue(TmfFilterCompareNode.NOT_ATTR);\r | |
144 | if (value != null && value.equalsIgnoreCase(Boolean.TRUE.toString())) {\r | |
145 | ((TmfFilterCompareNode) node).setNot(true);\r | |
146 | }\r | |
147 | ((TmfFilterCompareNode) node).setField(atts.getValue(TmfFilterCompareNode.FIELD_ATTR));\r | |
148 | value = atts.getValue(TmfFilterCompareNode.TYPE_ATTR);\r | |
149 | if (value != null) {\r | |
150 | ((TmfFilterCompareNode) node).setType(Type.valueOf(value));\r | |
151 | }\r | |
152 | value = atts.getValue(TmfFilterCompareNode.RESULT_ATTR);\r | |
153 | if (value != null) {\r | |
154 | if (value.equals(Integer.toString(-1))) {\r | |
155 | ((TmfFilterCompareNode) node).setResult(-1);\r | |
156 | } else if (value.equals(Integer.toString(1))) {\r | |
157 | ((TmfFilterCompareNode) node).setResult(1);\r | |
158 | } else {\r | |
159 | ((TmfFilterCompareNode) node).setResult(0);\r | |
160 | }\r | |
161 | }\r | |
162 | ((TmfFilterCompareNode) node).setValue(atts.getValue(TmfFilterCompareNode.VALUE_ATTR));\r | |
163 | \r | |
164 | }\r | |
165 | \r | |
166 | fFilterTreeStack.push(node);\r | |
167 | }\r | |
168 | \r | |
169 | /*\r | |
170 | * (non-Javadoc)\r | |
171 | * @see org.xml.sax.ContentHandler#endElement(java.lang.String, java.lang.String, java.lang.String)\r | |
172 | */\r | |
173 | @Override\r | |
174 | public void endElement(String uri, String localName, String qName) throws SAXException {\r | |
175 | ITmfFilterTreeNode node = fFilterTreeStack.pop();\r | |
176 | \r | |
177 | if (fFilterTreeStack.isEmpty()) {\r | |
178 | fRoot = node;\r | |
179 | } else if (fFilterTreeStack.lastElement() instanceof TmfFilterTreeNode &&\r | |
180 | node instanceof TmfFilterTreeNode) {\r | |
181 | fFilterTreeStack.lastElement().addChild(node);\r | |
182 | }\r | |
183 | \r | |
184 | }\r | |
185 | \r | |
186 | }\r |