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1
19
20 package org.netbeans.modules.editor.bookmarks;
21
22 import java.net.MalformedURLException  ;
23 import java.net.URI ;
24 import java.net.URISyntaxException ;
25 import java.net.URL ;
26 import java.util.ArrayList ;
27 import java.util.Collection ;
28 import java.util.Iterator ;
29 import java.util.List ;
30 import javax.xml.parsers.DocumentBuilder ;
31 import javax.xml.parsers.DocumentBuilderFactory ;
32 import javax.xml.parsers.ParserConfigurationException ;
33 import org.openide.ErrorManager;
34 import org.w3c.dom.DOMException ;
35 import org.w3c.dom.Document ;
36 import org.w3c.dom.Element ;
37 import org.w3c.dom.Node ;
38 import org.w3c.dom.NodeList ;
39
40
46
47 class BookmarksXMLHandler {
48
49 static final String EDITOR_BOOKMARKS_NAMESPACE_URI = "http://www.netbeans.org/ns/editor-bookmarks/1"; static final String EDITOR_BOOKMARKS_ELEM = "editor-bookmarks"; private static final String FILE_ELEM = "file"; private static final String URL_ELEM = "url"; private static final String LINE_ELEM = "line";
56 private BookmarksXMLHandler() {
57 }
58
59 public static void loadFileBookmarksMap(
60 FileBookmarksMap fileBookmarksMap, Element bookmarksElem, URL baseURL) {
61
62 Node fileElem = skipNonElementNode(bookmarksElem.getFirstChild());
63 while (fileElem != null) {
64 assert FILE_ELEM.equals(fileElem.getNodeName());
65 Node urlElem = skipNonElementNode(fileElem.getFirstChild());
66 assert URL_ELEM.equals(urlElem.getNodeName());
67 Node lineElem = skipNonElementNode(urlElem.getNextSibling());
68 int[] lineIndexesArray = new int[1];
69 int lineCount = 0;
70 while (lineElem != null) {
71 assert LINE_ELEM.equals(lineElem.getNodeName());
72 if (lineCount == lineIndexesArray.length) {
74 lineIndexesArray = reallocateIntArray(lineIndexesArray, lineCount, lineCount << 1);
75 }
76 try {
78 Node lineElemText = lineElem.getFirstChild();
79 String lineNumberString = lineElemText.getNodeValue();
80 int lineNumber = Integer.parseInt(lineNumberString);
81 lineIndexesArray[lineCount++] = lineNumber;
82 } catch (DOMException e) {
83 ErrorManager.getDefault().notify(e);
84 } catch (NumberFormatException e) {
85 ErrorManager.getDefault().notify(e);
86 }
87 lineElem = skipNonElementNode(lineElem.getNextSibling());
88 }
89
90 try {
91 URL url;
92 try {
93 Node urlElemText = urlElem.getFirstChild();
94 String relOrAbsURLString = urlElemText.getNodeValue();
95 URI uri = new URI (relOrAbsURLString);
96 if (!uri.isAbsolute() && baseURL != null) { url = new URL (baseURL, relOrAbsURLString);
98 } else { url = new URL (relOrAbsURLString);
100 }
101 } catch (URISyntaxException e) {
102 ErrorManager.getDefault().notify(e);
103 url = null;
104 } catch (MalformedURLException e) {
105 ErrorManager.getDefault().notify(e);
106 url = null;
107 }
108
109 if (url != null) {
110 if (lineCount != lineIndexesArray.length) {
111 lineIndexesArray = reallocateIntArray(lineIndexesArray, lineCount, lineCount);
112 }
113 fileBookmarksMap.put(new FileBookmarks(url, lineIndexesArray));
114 }
115 } catch (DOMException e) {
116 ErrorManager.getDefault().notify(e);
117 }
118
119 fileElem = skipNonElementNode(fileElem.getNextSibling());
120 }
121 }
122
123 private static Node skipNonElementNode(Node node) {
124 while (node != null && node.getNodeType() != Node.ELEMENT_NODE) {
125 node = node.getNextSibling();
126 }
127 return node;
128 }
129
130 public static Element saveFileBookmarksMap(
131 FileBookmarksMap fileBookmarksMap, URI baseURI) {
132
133 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
134 try {
135 DocumentBuilder builder = factory.newDocumentBuilder();
136 Document xmlDoc = builder.newDocument();
137 Element bookmarksElem = xmlDoc.createElementNS(
138 EDITOR_BOOKMARKS_NAMESPACE_URI, EDITOR_BOOKMARKS_ELEM);
139 for (Iterator it = fileBookmarksMap.all().iterator(); it.hasNext();) {
140 FileBookmarks bookmarks = (FileBookmarks)it.next();
141 if (bookmarks.getBookmarkCount() > 0) {
142 saveFileBookmarks(bookmarks, xmlDoc, bookmarksElem, baseURI);
143 }
144 }
145 return bookmarksElem;
146
147 } catch (ParserConfigurationException e) {
148 ErrorManager.getDefault().notify(e);
149 return null;
150 }
151 }
152
153 private static void saveFileBookmarks(FileBookmarks fileBookmarks,
154 Document xmlDoc, Element bookmarksElem, URI baseURI) throws DOMException {
155
156 Element fileElem = xmlDoc.createElementNS(EDITOR_BOOKMARKS_NAMESPACE_URI, FILE_ELEM);
157
158 Element urlElem = xmlDoc.createElementNS(EDITOR_BOOKMARKS_NAMESPACE_URI, URL_ELEM);
159 String relOrAbsURL = fileBookmarks.getURL().toExternalForm();
160 if (baseURI != null) {
162 try {
163 URI absURI = new URI (relOrAbsURL);
164 URI relURI = baseURI.relativize(absURI);
165 relOrAbsURL = relURI.toString();
166 } catch (URISyntaxException e) {
167 ErrorManager.getDefault().notify(e);
168 }
170 }
171
172 urlElem.appendChild(xmlDoc.createTextNode(relOrAbsURL));
173 fileElem.appendChild(urlElem);
174
175 int bookmarkCount = fileBookmarks.getBookmarkCount();
176 for (int i = 0; i < bookmarkCount; i++) {
177 int bookmarkLine = fileBookmarks.getBookmarkLineIndex(i);
178 Element lineElem = xmlDoc.createElementNS(EDITOR_BOOKMARKS_NAMESPACE_URI, LINE_ELEM);
179 lineElem.appendChild(xmlDoc.createTextNode(Integer.toString(bookmarkLine)));
180 fileElem.appendChild(lineElem);
181 }
182
183 bookmarksElem.appendChild(fileElem);
184 }
185
186 static int[] reallocateIntArray(int[] intArray, int count, int newLength) {
187 int[] newIntArray = new int[newLength];
188 System.arraycopy(intArray, 0, newIntArray, 0, count);
189 return newIntArray;
190 }
191
192 }
193
194 |
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