Source Code Cross Referenced for WorkspaceParser.java in  » IDE-Netbeans » project.ant » org » netbeans » modules » projectimport » eclipse » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » project.ant » org.netbeans.modules.projectimport.eclipse 
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 1997-2006 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.modules.projectimport.eclipse;
043:
044:        import java.io.File;
045:        import java.io.FileFilter;
046:        import java.io.FileInputStream;
047:        import java.io.IOException;
048:        import java.io.InputStream;
049:        import java.util.HashSet;
050:        import java.util.Iterator;
051:        import java.util.Map;
052:        import java.util.Properties;
053:        import java.util.Set;
054:        import java.util.logging.Logger;
055:        import org.netbeans.modules.projectimport.LoggerFactory;
056:        import org.netbeans.modules.projectimport.ProjectImporterException;
057:
058:        /**
059:         * Parses given workspace and fills up it with found data.
060:         *
061:         * @author mkrauskopf
062:         */
063:        final class WorkspaceParser {
064:
065:            /** Logger for this class. */
066:            private static final Logger logger = LoggerFactory.getDefault()
067:                    .createLogger(WorkspaceParser.class);
068:
069:            private static final String VM_XML = "org.eclipse.jdt.launching.PREF_VM_XML"; // NOI18N
070:            private static final String IGNORED_CP_ENTRY = "##<cp entry ignore>##"; // NOI18N
071:
072:            private static final String VARIABLE_PREFIX = "org.eclipse.jdt.core.classpathVariable."; // NOI18N
073:            private static final int VARIABLE_PREFIX_LENGTH = VARIABLE_PREFIX
074:                    .length();
075:
076:            private static final String USER_LIBRARY_PREFIX = "org.eclipse.jdt.core.userLibrary."; // NOI18N
077:            private static final int USER_LIBRARY_PREFIX_LENGTH = USER_LIBRARY_PREFIX
078:                    .length();
079:
080:            //    private static final String CP_CONTAINER_PREFIX =
081:            //            "org.eclipse.jdt.core.classpathContainer.";
082:            //    private static final int CP_CONTAINER_PREFIX_LENGTH = CP_CONTAINER_PREFIX.length();
083:            //    private static final String CP_CONTAINER_SUFFIX =
084:            //            "|org.eclipse.jdt.launching.JRE_CONTAINER";
085:            //    private static final int CP_CONTAINER_SUFFIX_LENGTH = CP_CONTAINER_SUFFIX.length();
086:
087:            private final Workspace workspace;
088:
089:            /** Creates a new instance of WorkspaceParser */
090:            WorkspaceParser(Workspace workspace) {
091:                this .workspace = workspace;
092:            }
093:
094:            /** Returns classpath content from project's .classpath file */
095:            void parse() throws ProjectImporterException {
096:                try {
097:                    parseLaunchingPreferences();
098:                    parseCorePreferences();
099:                    parseWorkspaceProjects();
100:                } catch (IOException e) {
101:                    throw new ProjectImporterException(
102:                            "Cannot load workspace properties", e); // NOI18N
103:                }
104:            }
105:
106:            private void parseLaunchingPreferences() throws IOException,
107:                    ProjectImporterException {
108:                Properties launchProps = EclipseUtils.loadProperties(workspace
109:                        .getLaunchingPrefsFile());
110:                for (Iterator it = launchProps.entrySet().iterator(); it
111:                        .hasNext();) {
112:                    Map.Entry entry = (Map.Entry) it.next();
113:                    String key = (String) entry.getKey();
114:                    String value = (String) entry.getValue();
115:                    if (key.equals(VM_XML)) {
116:                        Map vmMap = PreferredVMParser.parse(value);
117:                        workspace.setJREContainers(vmMap);
118:                    }
119:                }
120:            }
121:
122:            private void parseCorePreferences() throws IOException,
123:                    ProjectImporterException {
124:                Properties coreProps = EclipseUtils.loadProperties(workspace
125:                        .getCorePreferenceFile());
126:                for (Iterator it = coreProps.entrySet().iterator(); it
127:                        .hasNext();) {
128:                    Map.Entry entry = (Map.Entry) it.next();
129:                    String key = (String) entry.getKey();
130:                    String value = (String) entry.getValue();
131:                    if (key.startsWith(VARIABLE_PREFIX)) {
132:                        Workspace.Variable var = new Workspace.Variable();
133:                        var.setName(key.substring(VARIABLE_PREFIX_LENGTH));
134:                        var.setLocation(value);
135:                        workspace.addVariable(var);
136:                    } else if (key.startsWith(USER_LIBRARY_PREFIX)
137:                            && !value.startsWith(IGNORED_CP_ENTRY)) { // #73542
138:                        String libName = key
139:                                .substring(USER_LIBRARY_PREFIX_LENGTH);
140:                        workspace.addUserLibrary(libName, UserLibraryParser
141:                                .getJars(value));
142:                    } // else we don't use other properties in the meantime
143:                }
144:            }
145:
146:            //    private String parseJDKDir(ClassPath cp) {
147:            //        for (Iterator it = cp.getEntries().iterator(); it.hasNext(); ) {
148:            //            ClassPathEntry entry = (ClassPathEntry) it.next();
149:            //            if (entry.getRawPath().endsWith("rt.jar")) {
150:            //                return entry.getRawPath();
151:            //            }
152:            //        }
153:            //        return null;
154:            //    }
155:
156:            private void parseWorkspaceProjects()
157:                    throws ProjectImporterException {
158:                // directory filter
159:                FileFilter dirFilter = new FileFilter() {
160:                    public boolean accept(File file) {
161:                        return file.isDirectory();
162:                    }
163:                };
164:
165:                Set projectsDirs = new HashSet();
166:                // let's find internal projects
167:                File[] innerDirs = workspace.getDirectory()
168:                        .listFiles(dirFilter);
169:                for (int i = 0; i < innerDirs.length; i++) {
170:                    File prjDir = innerDirs[i];
171:                    if (EclipseUtils.isRegularProject(prjDir)) {
172:                        // we cannot load projects recursively until we have loaded
173:                        // information of all projects in the workspace
174:                        logger.finest("Found a regular Eclipse Project in: " // NOI18N
175:                                + prjDir.getAbsolutePath());
176:                        if (!projectsDirs.contains(prjDir.getName())) {
177:                            addLightProject(projectsDirs, prjDir, true);
178:                        } else {
179:                            logger
180:                                    .warning("Trying to add the same project twice: " // NOI18N
181:                                            + prjDir.getAbsolutePath());
182:                        }
183:                    } // else .metadata or something we don't care about yet
184:                }
185:
186:                // let's try to find external projects
187:                File[] resourceDirs = workspace.getResourceProjectsDir()
188:                        .listFiles(dirFilter);
189:                for (int i = 0; i < resourceDirs.length; i++) {
190:                    File resDir = resourceDirs[i];
191:                    File location = getLocation(resDir);
192:                    if (location != null) {
193:                        if (EclipseUtils.isRegularProject(location)) {
194:                            logger
195:                                    .finest("Found a regular Eclipse Project in: " // NOI18N
196:                                            + location.getAbsolutePath());
197:                            if (!projectsDirs.contains(location.getName())) {
198:                                addLightProject(projectsDirs, location, false);
199:                            } else {
200:                                logger
201:                                        .warning("Trying to add the same project twice: " // NOI18N
202:                                                + location.getAbsolutePath());
203:                            }
204:                        } else {
205:                            logger.warning(location.getAbsolutePath()
206:                                    + " does not contain regular project"); // NOI18N
207:                        }
208:                    }
209:                }
210:
211:                // Project instances with base infos are loaded, let's load all the
212:                // information we need (we have to do this here because project's
213:                // classpath needs at least project's names and abs. paths during
214:                // parsing
215:                for (Iterator it = workspace.getProjects().iterator(); it
216:                        .hasNext();) {
217:                    EclipseProject project = (EclipseProject) it.next();
218:                    project.setWorkspace(workspace);
219:                    ProjectFactory.getInstance().load(project);
220:                }
221:            }
222:
223:            private void addLightProject(Set projectsDirs, File prjDir,
224:                    boolean internal) {
225:                EclipseProject project = EclipseProject.createProject(prjDir);
226:                if (project != null) {
227:                    project.setName(prjDir.getName());
228:                    project.setInternal(internal);
229:                    workspace.addProject(project);
230:                    projectsDirs.add(prjDir.getName());
231:                }
232:            }
233:
234:            /** Loads location of external project. */
235:            private static File getLocation(final File prjDir)
236:                    throws ProjectImporterException {
237:                File locationFile = new File(prjDir, ".location"); // NOI18N
238:                if (locationFile.isFile()) {
239:                    FileInputStream fis = null;
240:                    try {
241:                        fis = new FileInputStream(locationFile);
242:                        return getLocation(fis);
243:                    } catch (IOException e) {
244:                        throw new ProjectImporterException(
245:                                "Error during reading " + // NOI18N
246:                                        ".location file", e); // NOI18N
247:                    } finally {
248:                        if (fis != null) {
249:                            try {
250:                                fis.close();
251:                            } catch (IOException e) {
252:                                throw new ProjectImporterException(e);
253:                            }
254:                        }
255:                    }
256:                }
257:                return null;
258:            }
259:
260:            /**
261:             * Loads location of external project. Package-private for unit tests only.
262:             */
263:            static File getLocation(final InputStream is) throws IOException {
264:                // starts with 17 bytes.
265:                long toSkip = 17;
266:                while (toSkip != 0) {
267:                    toSkip -= is.skip(toSkip);
268:                }
269:                // follows byte describing path length
270:                int pathLength = is.read();
271:                // follows path itself
272:                byte[] path = new byte[pathLength];
273:                int read = is.read(path);
274:                assert read == pathLength;
275:                String pathS = new String(path, "ISO-8859-1"); // NOI18N
276:                if (pathS.startsWith("URI//")) { // #89577 // NOI18N
277:                    pathS = pathS.substring(pathS.indexOf(':') + 1);
278:                }
279:                return new File(pathS);
280:            }
281:
282:        }
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