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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 | * Patrick Tasse - Initial API and implementation\r | |
11 | *******************************************************************************/\r | |
12 | \r | |
13 | package org.eclipse.linuxtools.tmf.ui.views.colors;\r | |
14 | \r | |
15 | import java.io.File;\r | |
16 | import java.io.IOException;\r | |
17 | import java.util.ArrayList;\r | |
18 | \r | |
19 | import javax.xml.parsers.DocumentBuilder;\r | |
20 | import javax.xml.parsers.DocumentBuilderFactory;\r | |
21 | import javax.xml.parsers.ParserConfigurationException;\r | |
22 | import javax.xml.parsers.SAXParserFactory;\r | |
23 | import javax.xml.transform.Transformer;\r | |
24 | import javax.xml.transform.TransformerConfigurationException;\r | |
25 | import javax.xml.transform.TransformerException;\r | |
26 | import javax.xml.transform.TransformerFactory;\r | |
27 | import javax.xml.transform.dom.DOMSource;\r | |
28 | import javax.xml.transform.stream.StreamResult;\r | |
29 | \r | |
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30 | import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode;\r |
31 | import org.eclipse.linuxtools.tmf.core.filter.xml.TmfFilterContentHandler;\r | |
32 | import org.eclipse.linuxtools.tmf.core.filter.xml.TmfFilterXMLWriter;\r | |
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33 | import org.eclipse.swt.graphics.RGB;\r |
34 | import org.w3c.dom.Document;\r | |
35 | import org.w3c.dom.Element;\r | |
36 | import org.xml.sax.Attributes;\r | |
37 | import org.xml.sax.SAXException;\r | |
38 | import org.xml.sax.XMLReader;\r | |
39 | import org.xml.sax.helpers.DefaultHandler;\r | |
40 | \r | |
41 | public class ColorSettingsXML {\r | |
42 | \r | |
43 | private static final String COLOR_SETTINGS_TAG = "COLOR_SETTINGS"; //$NON-NLS-1$\r | |
44 | private static final String COLOR_SETTING_TAG = "COLOR_SETTING"; //$NON-NLS-1$\r | |
45 | private static final String FG_TAG = "FG"; //$NON-NLS-1$\r | |
46 | private static final String BG_TAG = "BG"; //$NON-NLS-1$\r | |
47 | private static final String R_ATTR = "R"; //$NON-NLS-1$\r | |
48 | private static final String G_ATTR = "G"; //$NON-NLS-1$\r | |
49 | private static final String B_ATTR = "B"; //$NON-NLS-1$\r | |
50 | private static final String TICK_COLOR_TAG = "TICK_COLOR"; //$NON-NLS-1$\r | |
51 | private static final String INDEX_ATTR = "INDEX"; //$NON-NLS-1$\r | |
52 | private static final String FILTER_TAG = "FILTER"; //$NON-NLS-1$\r | |
53 | \r | |
54 | public static void save(String pathName, ColorSetting[] colorSettings) {\r | |
55 | try {\r | |
56 | DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();\r | |
57 | DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();\r | |
58 | Document document = documentBuilder.newDocument();\r | |
59 | \r | |
60 | Element rootElement = document.createElement(COLOR_SETTINGS_TAG);\r | |
61 | document.appendChild(rootElement);\r | |
62 | \r | |
63 | for (ColorSetting colorSetting : colorSettings) {\r | |
64 | Element colorSettingElement = document.createElement(COLOR_SETTING_TAG);\r | |
65 | rootElement.appendChild(colorSettingElement);\r | |
66 | \r | |
67 | Element fgElement = document.createElement(FG_TAG);\r | |
68 | colorSettingElement.appendChild(fgElement);\r | |
69 | RGB foreground = colorSetting.getForegroundRGB();\r | |
70 | fgElement.setAttribute(R_ATTR, Integer.toString(foreground.red));\r | |
71 | fgElement.setAttribute(G_ATTR, Integer.toString(foreground.green));\r | |
72 | fgElement.setAttribute(B_ATTR, Integer.toString(foreground.blue));\r | |
73 | \r | |
74 | Element bgElement = document.createElement(BG_TAG);\r | |
75 | colorSettingElement.appendChild(bgElement);\r | |
76 | RGB background = colorSetting.getBackgroundRGB();\r | |
77 | bgElement.setAttribute(R_ATTR, Integer.toString(background.red));\r | |
78 | bgElement.setAttribute(G_ATTR, Integer.toString(background.green));\r | |
79 | bgElement.setAttribute(B_ATTR, Integer.toString(background.blue));\r | |
80 | \r | |
81 | Element tickColorElement = document.createElement(TICK_COLOR_TAG);\r | |
82 | colorSettingElement.appendChild(tickColorElement);\r | |
83 | int index = colorSetting.getTickColorIndex();\r | |
84 | tickColorElement.setAttribute(INDEX_ATTR, Integer.toString(index));\r | |
85 | \r | |
86 | if (colorSetting.getFilter() != null) {\r | |
87 | Element filterElement = document.createElement(FILTER_TAG);\r | |
88 | colorSettingElement.appendChild(filterElement);\r | |
89 | TmfFilterXMLWriter.buildXMLTree(document, colorSetting.getFilter(), filterElement);\r | |
90 | }\r | |
91 | }\r | |
92 | \r | |
93 | TransformerFactory transformerFactory = TransformerFactory.newInstance();\r | |
94 | \r | |
95 | Transformer transformer = transformerFactory.newTransformer();\r | |
96 | DOMSource source = new DOMSource(document);\r | |
97 | StreamResult result = new StreamResult(new File(pathName));\r | |
98 | transformer.transform(source, result);\r | |
99 | } catch (ParserConfigurationException e) {\r | |
100 | e.printStackTrace();\r | |
101 | } catch (TransformerConfigurationException e) {\r | |
102 | e.printStackTrace();\r | |
103 | } catch (TransformerException e) {\r | |
104 | e.printStackTrace();\r | |
105 | }\r | |
106 | }\r | |
107 | \r | |
108 | public static ColorSetting[] load(String pathName) {\r | |
109 | if (! new File(pathName).canRead()) {\r | |
110 | return new ColorSetting[0];\r | |
111 | }\r | |
112 | SAXParserFactory parserFactory = SAXParserFactory.newInstance(); \r | |
113 | parserFactory.setNamespaceAware(true); \r | |
114 | \r | |
5d862cfc | 115 | ColorSettingsContentHandler handler = new ColorSettingsContentHandler();\r |
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116 | try {\r |
117 | XMLReader saxReader = parserFactory.newSAXParser().getXMLReader();\r | |
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118 | saxReader.setContentHandler(handler);\r |
119 | saxReader.parse(pathName);\r | |
120 | return handler.colorSettings.toArray(new ColorSetting[0]);\r | |
121 | } catch (ParserConfigurationException e) {\r | |
122 | e.printStackTrace();\r | |
123 | } catch (SAXException e) {\r | |
124 | e.printStackTrace();\r | |
125 | } catch (IOException e) {\r | |
126 | e.printStackTrace();\r | |
127 | }\r | |
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128 | // In case of error, dispose the partial list of color settings\r |
129 | for (ColorSetting colorSetting : handler.colorSettings) {\r | |
130 | colorSetting.dispose();\r | |
131 | }\r | |
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132 | return new ColorSetting[0];\r |
133 | }\r | |
134 | \r | |
135 | private static class ColorSettingsContentHandler extends DefaultHandler {\r | |
136 | \r | |
137 | private ArrayList<ColorSetting> colorSettings = new ArrayList<ColorSetting>(0);\r | |
138 | private RGB fg;\r | |
139 | private RGB bg;\r | |
140 | private int tickColorIndex;\r | |
141 | private ITmfFilterTreeNode filter;\r | |
142 | private TmfFilterContentHandler filterContentHandler;\r | |
143 | \r | |
144 | /* (non-Javadoc)\r | |
145 | * @see org.xml.sax.helpers.DefaultHandler#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)\r | |
146 | */\r | |
147 | @Override\r | |
148 | public void startElement(String uri, String localName, String qName, Attributes attributes)\r | |
149 | throws SAXException {\r | |
150 | if (localName.equals(COLOR_SETTINGS_TAG)) {\r | |
151 | colorSettings = new ArrayList<ColorSetting>();\r | |
152 | } else if (localName.equals(COLOR_SETTING_TAG)) {\r | |
153 | fg = null;\r | |
154 | bg = null;\r | |
155 | filter = null;\r | |
156 | } else if (localName.equals(FG_TAG)) {\r | |
157 | int r = Integer.valueOf(attributes.getValue(R_ATTR));\r | |
158 | int g = Integer.valueOf(attributes.getValue(G_ATTR));\r | |
159 | int b = Integer.valueOf(attributes.getValue(B_ATTR));\r | |
160 | fg = new RGB(r, g, b);\r | |
161 | } else if (localName.equals(BG_TAG)) {\r | |
162 | int r = Integer.valueOf(attributes.getValue(R_ATTR));\r | |
163 | int g = Integer.valueOf(attributes.getValue(G_ATTR));\r | |
164 | int b = Integer.valueOf(attributes.getValue(B_ATTR));\r | |
165 | bg = new RGB(r, g, b);\r | |
166 | } else if (localName.equals(TICK_COLOR_TAG)) {\r | |
167 | int index = Integer.valueOf(attributes.getValue(INDEX_ATTR));\r | |
168 | tickColorIndex = index;\r | |
169 | } else if (localName.equals(FILTER_TAG)) {\r | |
170 | filterContentHandler = new TmfFilterContentHandler();\r | |
171 | } else if (filterContentHandler != null) {\r | |
172 | filterContentHandler.startElement(uri, localName, qName, attributes);\r | |
173 | }\r | |
174 | }\r | |
175 | \r | |
176 | /* (non-Javadoc)\r | |
177 | * @see org.xml.sax.helpers.DefaultHandler#endElement(java.lang.String, java.lang.String, java.lang.String)\r | |
178 | */\r | |
179 | @Override\r | |
180 | public void endElement(String uri, String localName, String qName)\r | |
181 | throws SAXException {\r | |
182 | if (localName.equals(COLOR_SETTINGS_TAG)) {\r | |
183 | } else if (localName.equals(COLOR_SETTING_TAG)) {\r | |
184 | ColorSetting colorSetting = new ColorSetting(fg, bg, tickColorIndex, filter);\r | |
185 | colorSettings.add(colorSetting);\r | |
186 | } else if (localName.equals(FILTER_TAG)) {\r | |
187 | filter = filterContentHandler.getTree();\r | |
188 | filterContentHandler = null;\r | |
189 | } else if (filterContentHandler != null) {\r | |
190 | filterContentHandler.endElement(uri, localName, qName);\r | |
191 | }\r | |
192 | }\r | |
193 | \r | |
194 | }\r | |
195 | }\r |