Source Code Cross Referenced for NBInstallation.java in  » IDE-Netbeans » ide » org » netbeans » projectopener » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » ide » org.netbeans.projectopener 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:
042:        package org.netbeans.projectopener;
043:
044:        import java.io.BufferedReader;
045:        import java.io.File;
046:        import java.io.FileFilter;
047:        import java.io.FileNotFoundException;
048:        import java.io.FileReader;
049:        import java.io.IOException;
050:        import java.util.Collection;
051:        import java.util.Comparator;
052:        import java.util.Iterator;
053:        import java.util.StringTokenizer;
054:        import java.util.logging.Logger;
055:        import java.util.regex.Matcher;
056:        import java.util.regex.Pattern;
057:
058:        /**
059:         *
060:         * @author Milan Kubec
061:         */
062:        public class NBInstallation {
063:
064:            public static final Comparator VERSION_COMPARATOR = new VersionComparator();
065:            public static final Comparator LAST_USED_COMPARATOR = new LastUsedComparator();
066:
067:            private static Logger LOGGER = WSProjectOpener.LOGGER;
068:
069:            // there are two versions of log file
070:            private static final String searchStr1 = "Installation; User Dir.";
071:            private static final String searchStr2 = "Installation";
072:
073:            // regexp for matching nb cluster, e.g. nb5.5
074:            private static final Pattern NB_CLUSTER_REGEX = Pattern
075:                    .compile("[/\\\\]nb(\\d*(\\.\\d+)*)$");
076:            // regexp for matching start of windows path, e.g. e:\
077:            private static final Pattern WIN_ROOT_REGEX = Pattern
078:                    .compile("^[a-zA-Z]:\\\\");
079:
080:            private static final String[] NON_CLUSTER_DIRS = new String[] {
081:                    "etc", "bin", "harness" };
082:
083:            private File userDir;
084:            private File installDir;
085:            private String ideVersion;
086:
087:            private File logFile;
088:            private File lockFile;
089:
090:            private String versionParts[];
091:
092:            /** Creates a new instance of NetBeansInstallation */
093:            public NBInstallation(File userDir) {
094:                this .userDir = userDir;
095:                logFile = new File(new File(new File(userDir, "var"), "log"),
096:                        "messages.log");
097:                ideVersion = findVersion();
098:                try {
099:                    installDir = findInstallDir();
100:                } catch (Exception ex) {
101:                    LOGGER.info("Exception during searching for install dir: "
102:                            + Utils.exc2String(ex));
103:                }
104:                versionParts = Utils.getVersionParts(ideVersion);
105:                lockFile = new File(userDir, "lock");
106:            }
107:
108:            public boolean isLocked() {
109:                if (lockFile.exists()) {
110:                    return true;
111:                }
112:                return false;
113:            }
114:
115:            public boolean isValid() {
116:                if (isNBUserdir() && Utils.getVersionParts(ideVersion) != null
117:                        && installDir != null && installDir.exists()
118:                        && installDir.isDirectory()
119:                        && new File(installDir, "bin").exists()) {
120:                    return true;
121:                }
122:                return false;
123:            }
124:
125:            public File getInstallDir() {
126:                return installDir;
127:            }
128:
129:            public File getExecDir() {
130:                return new File(installDir, "bin");
131:            }
132:
133:            /** 
134:             * Tries to find important files for each project type in any cluster in installDir,
135:             * XXX should be extended to look also in userDir!
136:             */
137:            public boolean canHandle(Collection c) {
138:                int toBeFound = 0;
139:                int foundFiles = 0;
140:                for (Iterator iter = c.iterator(); iter.hasNext();) {
141:                    ProjectType pt = (ProjectType) iter.next();
142:                    String impFiles[] = pt.getImportantFiles();
143:                    toBeFound += impFiles.length;
144:                    String[] clusterPaths = getClusterDirPaths();
145:                    for (int i = 0; i < impFiles.length; i++) {
146:                        String iPath = impFiles[i].replace('/',
147:                                File.separatorChar);
148:                        for (int j = 0; j < clusterPaths.length; j++) {
149:                            String searchPath = clusterPaths[j]
150:                                    + File.separator + iPath;
151:                            LOGGER.fine("Looking for: " + searchPath);
152:                            File f = new File(searchPath);
153:                            if (f.exists()) {
154:                                LOGGER.info("File: " + f.getAbsolutePath()
155:                                        + " exists.");
156:                                foundFiles++;
157:                            }
158:                        }
159:                    }
160:                }
161:                if (foundFiles == toBeFound) {
162:                    return true;
163:                }
164:                return false;
165:            }
166:
167:            /** 
168:             * Returns all dirs under installDir that are not listed in 
169:             * NON_CLUSTER_DIRS, they are considered to be clusters
170:             */
171:            public File[] getClusterDirs() {
172:                File[] dirs = installDir.listFiles(new FileFilter() {
173:                    public boolean accept(File f) {
174:                        if (f.isDirectory()) {
175:                            for (int i = 0; i < NON_CLUSTER_DIRS.length; i++) {
176:                                if (f.getName().equals(NON_CLUSTER_DIRS[i])) {
177:                                    return false;
178:                                }
179:                            }
180:                            return true;
181:                        }
182:                        return false;
183:                    }
184:                });
185:                return dirs;
186:            }
187:
188:            private String[] getClusterDirPaths() {
189:                File[] files = getClusterDirs();
190:                String dirPaths[] = new String[files.length];
191:                for (int i = 0; i < files.length; i++) {
192:                    dirPaths[i] = files[i].getAbsolutePath();
193:                }
194:                return dirPaths;
195:            }
196:
197:            public long lastUsed() {
198:                if (logFile.exists()) {
199:                    return logFile.lastModified();
200:                }
201:                return 0L;
202:            }
203:
204:            // from 5.5.1beta2 => 5.5.1
205:            public String numVersion() {
206:                if (versionParts != null && !versionParts[0].equals("")) {
207:                    return versionParts[0];
208:                }
209:                // fallback to avoid problems when dev version
210:                // userdir doesn't have a numeric version
211:                return "1.0";
212:            }
213:
214:            // from 5.5.1beta2 => beta
215:            public String releaseType() {
216:                if (versionParts != null && !versionParts[1].equals("")) {
217:                    return versionParts[1];
218:                }
219:                return "";
220:            }
221:
222:            // from 5.5.1beta2 => 2
223:            public String releaseVersion() {
224:                if (versionParts != null && !versionParts[2].equals("")) {
225:                    return versionParts[2];
226:                }
227:                return "";
228:            }
229:
230:            public String toString() {
231:                return userDir.getAbsolutePath();
232:            }
233:
234:            // ---
235:
236:            public static class LastUsedComparator implements  Comparator {
237:
238:                public int compare(Object arg0, Object arg1) {
239:                    return signum(((NBInstallation) arg0).lastUsed()
240:                            - ((NBInstallation) arg1).lastUsed());
241:                }
242:
243:                private int signum(long diff) {
244:                    if (diff > 0)
245:                        return 1;
246:                    if (diff < 0)
247:                        return -1;
248:                    return 0;
249:                }
250:
251:            }
252:
253:            public static class VersionComparator implements  Comparator {
254:
255:                public int compare(Object arg0, Object arg1) {
256:                    int retVal = 0;
257:                    String v0 = ((NBInstallation) arg0).numVersion();
258:                    String v1 = ((NBInstallation) arg1).numVersion();
259:                    // this is because dev version doesn't have any numbers,
260:                    // so 'dev' means lower version always
261:                    if (v0.equals("")) {
262:                        retVal = -1;
263:                    } else if (v1.equals("")) {
264:                        retVal = 1;
265:                    }
266:                    if (retVal == 0) {
267:                        retVal = Utils.compareVersions(v0, v1);
268:                    }
269:                    if (retVal == 0) {
270:                        v0 = ((NBInstallation) arg0).releaseType();
271:                        v1 = ((NBInstallation) arg1).releaseType();
272:                        retVal = Utils.compareReleaseTypes(v0, v1);
273:                    }
274:                    if (retVal == 0) {
275:                        v0 = ((NBInstallation) arg0).releaseVersion();
276:                        v1 = ((NBInstallation) arg1).releaseVersion();
277:                        retVal = Utils.compareVersions(v0, v1);
278:                    }
279:                    return retVal;
280:                }
281:
282:            }
283:
284:            // ---
285:
286:            private File findInstallDir() throws FileNotFoundException,
287:                    IOException {
288:                String dirPath = null;
289:                LOGGER.fine("Parsing file: " + logFile.getAbsolutePath());
290:                BufferedReader logFileReader = new BufferedReader(
291:                        new FileReader(logFile));
292:                String line = logFileReader.readLine();
293:                boolean lineRead;
294:
295:                while (line != null) {
296:
297:                    lineRead = false;
298:                    if (line.indexOf(searchStr1) != -1) { // old version of log file
299:                        LOGGER.fine("Found line: " + line);
300:                        int index1 = line.indexOf('=') + 2;
301:                        int index2 = line.indexOf("; ", index1);
302:                        String subStr = line.substring(index1, index2);
303:                        LOGGER.fine("Found substring: " + subStr);
304:                        StringTokenizer tokenizer = new StringTokenizer(subStr,
305:                                File.pathSeparator);
306:                        while (tokenizer.hasMoreTokens()) {
307:                            String instPart = tokenizer.nextToken();
308:                            LOGGER.fine("Testing token: " + instPart);
309:                            // regex matcher looking for nb cluster e.g. nb5.5
310:                            Matcher matcher = NB_CLUSTER_REGEX
311:                                    .matcher(instPart);
312:                            if (matcher.find()) {
313:                                File f = new File(instPart).getParentFile();
314:                                LOGGER.fine("Found file: "
315:                                        + f.getAbsolutePath());
316:                                if (f.exists()) {
317:                                    dirPath = f.getAbsolutePath();
318:                                }
319:                            }
320:                        }
321:                    } else if (line.indexOf(searchStr2) != -1) { // new version of log file
322:                        LOGGER.fine("Found line: " + line);
323:                        int index = line.indexOf('=') + 2;
324:                        String tLine = line.substring(index).trim();
325:                        boolean matching;
326:
327:                        do {
328:                            matching = false;
329:                            // startsWith("/") OR startsWith("e:\")
330:                            if (tLine.startsWith("/") || matchWinRoot(tLine)) { // correct line matched
331:                                matching = true;
332:                                LOGGER.fine("Matching line: " + tLine);
333:                                Matcher matcher = NB_CLUSTER_REGEX
334:                                        .matcher(tLine);
335:                                if (matcher.find()) { // nb cluster matched
336:                                    File f = new File(tLine).getParentFile();
337:                                    LOGGER.fine("Found file: "
338:                                            + f.getAbsolutePath());
339:                                    if (f.exists()) {
340:                                        dirPath = f.getAbsolutePath();
341:                                    }
342:                                }
343:                                line = logFileReader.readLine();
344:                                lineRead = true;
345:                                tLine = line.trim();
346:                            }
347:                        } while (matching);
348:
349:                    }
350:
351:                    if (!lineRead) {
352:                        line = logFileReader.readLine();
353:                    }
354:
355:                }
356:
357:                if (dirPath != null) {
358:                    return new File(dirPath);
359:                } else {
360:                    return null;
361:                }
362:            }
363:
364:            private boolean matchWinRoot(String line) {
365:                Matcher matcher = WIN_ROOT_REGEX.matcher(line);
366:                return matcher.find();
367:            }
368:
369:            // XXX the version might be read from log file
370:            private String findVersion() {
371:                return userDir.getName();
372:            }
373:
374:            // check if build.properties and var/log/messages.log files exist
375:            private boolean isNBUserdir() {
376:                File buildProps = new File(userDir, "build.properties");
377:                if (buildProps.exists() && logFile.exists()) {
378:                    return true;
379:                }
380:                return false;
381:            }
382:
383:            // ---
384:
385:            // will be used to validate folder as NB install dir
386:            // after user selects some folder
387:            public static boolean isNBInstallation(File f) {
388:                if (new File(f, "bin").exists()) {
389:                    return true;
390:                }
391:                return false;
392:            }
393:
394:        }
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