Source Code Cross Referenced for BuildManifestTask.java in  » IDE-Eclipse » Eclipse-plug-in-development » org » eclipse » pde » internal » build » tasks » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Eclipse » Eclipse plug in development » org.eclipse.pde.internal.build.tasks 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Copyright (c) 2000, 2005 IBM Corporation and others.
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         * 
008:         * Contributors:
009:         *     IBM - Initial API and implementation
010:         *******************************************************************************/package org.eclipse.pde.internal.build.tasks;
011:
012:        import java.io.*;
013:        import java.util.*;
014:        import org.apache.tools.ant.BuildException;
015:        import org.apache.tools.ant.Task;
016:        import org.eclipse.core.runtime.*;
017:        import org.eclipse.osgi.util.NLS;
018:        import org.eclipse.pde.internal.build.*;
019:        import org.eclipse.update.core.Feature;
020:        import org.eclipse.update.core.IPluginEntry;
021:        import org.eclipse.update.internal.core.FeatureExecutableFactory;
022:
023:        /**
024:         * Used to create a build manifest file describing what plug-ins and versions
025:         * were included in a build. It has to be executed after a fetch task.
026:         */
027:        public class BuildManifestTask extends Task implements 
028:                IPDEBuildConstants, IXMLConstants {
029:            private String buildId;
030:            protected String buildName;
031:            private String buildQualifier;
032:            private String buildType;
033:            protected boolean children = true;
034:            protected String destination;
035:            protected Properties directory;
036:            protected String directoryLocation;
037:            protected String[] elements;
038:            protected String installLocation;
039:
040:            /**
041:             * @see org.apache.tools.ant.Task#execute()
042:             */
043:            public void execute() throws BuildException {
044:                try {
045:                    if (this .elements == null) {
046:                        String message = TaskMessages.error_missingElement;
047:                        throw new CoreException(new Status(IStatus.ERROR,
048:                                PI_PDEBUILD, EXCEPTION_ELEMENT_MISSING,
049:                                message, null));
050:                    }
051:                    readDirectory();
052:                    PrintWriter output = new PrintWriter(
053:                            new BufferedOutputStream(new FileOutputStream(
054:                                    destination)));
055:                    try {
056:                        List entries = new ArrayList(20);
057:                        for (int i = 0; i < elements.length; i++)
058:                            collectEntries(entries, elements[i]);
059:                        generatePrologue(output);
060:                        generateEntries(output, entries);
061:                    } finally {
062:                        output.close();
063:                    }
064:                } catch (Exception e) {
065:                    throw new BuildException(e);
066:                }
067:            }
068:
069:            /**
070:             * 
071:             * @param output
072:             */
073:            protected void generatePrologue(PrintWriter output) {
074:                output.print("# Build Manifest for "); //$NON-NLS-1$
075:                output.println(buildName);
076:                output.println();
077:                output.println("# The format of this file is:"); //$NON-NLS-1$
078:                output.println("# <type>@<element>=<CVS tag>"); //$NON-NLS-1$
079:                output.println();
080:                String id = getBuildId();
081:                if (id != null) {
082:                    output.print(PROPERTY_BUILD_ID + "="); //$NON-NLS-1$
083:                    output.println(id);
084:                }
085:                String type = getBuildType();
086:                if (type != null) {
087:                    output.print(PROPERTY_BUILD_TYPE + "="); //$NON-NLS-1$
088:                    output.println(type);
089:                }
090:                String qualifier = getBuildQualifier();
091:                if (qualifier != null) {
092:                    output.print(PROPERTY_BUILD_QUALIFIER + "="); //$NON-NLS-1$
093:                    output.println(qualifier);
094:                }
095:                output.println();
096:            }
097:
098:            /**
099:             * 
100:             * @return String
101:             */
102:            protected String getBuildId() {
103:                if (buildId == null)
104:                    buildId = getProject().getProperty(PROPERTY_BUILD_ID);
105:                return buildId;
106:            }
107:
108:            /**
109:             * 
110:             * @return String
111:             */
112:            protected String getBuildQualifier() {
113:                if (buildQualifier == null)
114:                    buildQualifier = getProject().getProperty(
115:                            PROPERTY_BUILD_QUALIFIER);
116:                return buildQualifier;
117:            }
118:
119:            /**
120:             * 
121:             * @return String
122:             */
123:            protected String getBuildType() {
124:                if (buildType == null)
125:                    buildType = getProject().getProperty(PROPERTY_BUILD_TYPE);
126:                return buildType;
127:            }
128:
129:            /**
130:             * 
131:             * @param output
132:             * @param entries
133:             */
134:            protected void generateEntries(PrintWriter output, List entries) {
135:                Collections.sort(entries);
136:                for (Iterator iterator = entries.iterator(); iterator.hasNext();) {
137:                    String entry = (String) iterator.next();
138:                    output.println(entry);
139:                }
140:            }
141:
142:            /**
143:             * Collects all the elements that are part of this build.
144:             */
145:            protected void collectEntries(List entries, String entry)
146:                    throws CoreException {
147:                String cvsInfo = directory.getProperty(entry);
148:                if (cvsInfo == null) {
149:                    String message = NLS.bind(
150:                            TaskMessages.error_missingDirectoryEntry, entry);
151:                    throw new CoreException(
152:                            new Status(IStatus.ERROR, PI_PDEBUILD,
153:                                    EXCEPTION_ENTRY_MISSING, message, null));
154:                }
155:
156:                int index = entry.indexOf('@');
157:                String type = entry.substring(0, index);
158:                String element = entry.substring(index + 1);
159:                if (type.equals("plugin") || type.equals("fragment")) { //$NON-NLS-1$ //$NON-NLS-2$
160:                    String[] cvsFields = Utils.getArrayFromString(cvsInfo);
161:                    String tag = cvsFields[0];
162:                    StringBuffer sb = new StringBuffer();
163:                    sb.append(entry);
164:                    sb.append("="); //$NON-NLS-1$
165:                    sb.append(tag);
166:                    entries.add(sb.toString());
167:                } else if (children && type.equals("feature")) { //$NON-NLS-1$
168:                    Feature feature = readFeature(element);
169:                    collectChildrenEntries(entries, feature);
170:                }
171:            }
172:
173:            /**
174:             * 
175:             * @param entries
176:             * @param feature
177:             * @throws CoreException
178:             */
179:            protected void collectChildrenEntries(List entries, Feature feature)
180:                    throws CoreException {
181:                IPluginEntry[] pluginEntries = feature.getPluginEntries();
182:                for (int i = 0; i < pluginEntries.length; i++) {
183:                    String elementId = pluginEntries[i]
184:                            .getVersionedIdentifier().getIdentifier();
185:                    if (pluginEntries[i].isFragment())
186:                        collectEntries(entries, "fragment@" + elementId); //$NON-NLS-1$
187:                    else
188:                        collectEntries(entries, "plugin@" + elementId); //$NON-NLS-1$
189:                }
190:            }
191:
192:            /**
193:             * 
194:             * @param element
195:             * @return Feature
196:             * @throws CoreException
197:             */
198:            protected Feature readFeature(String element) throws CoreException {
199:                IPath root = new Path(installLocation);
200:                root = root.append(DEFAULT_FEATURE_LOCATION);
201:                root = root.append(element);
202:                try {
203:                    FeatureExecutableFactory factory = new FeatureExecutableFactory();
204:                    return (Feature) factory.createFeature(root.toFile()
205:                            .toURL(), null, null);
206:                } catch (Exception e) {
207:                    String message = NLS.bind(
208:                            TaskMessages.error_creatingFeature, element);
209:                    throw new CoreException(new Status(IStatus.ERROR,
210:                            PI_PDEBUILD, EXCEPTION_FEATURE_MISSING, message, e));
211:                }
212:            }
213:
214:            /**
215:             * Sets the installLocation.
216:             */
217:            public void setInstall(String installLocation) {
218:                this .installLocation = installLocation;
219:            }
220:
221:            /**
222:             * Reads directory file at the directoryLocation.
223:             */
224:            protected void readDirectory() throws CoreException {
225:                try {
226:                    directory = new Properties();
227:                    File file = new File(directoryLocation);
228:                    InputStream is = new BufferedInputStream(
229:                            new FileInputStream(file));
230:                    try {
231:                        directory.load(is);
232:                    } finally {
233:                        is.close();
234:                    }
235:                } catch (IOException e) {
236:                    String message = NLS.bind(
237:                            TaskMessages.error_readingDirectory,
238:                            directoryLocation);
239:                    throw new CoreException(new Status(IStatus.ERROR,
240:                            PI_PDEBUILD, EXCEPTION_READ_DIRECTORY, message, e));
241:                }
242:            }
243:
244:            /**
245:             * 
246:             * @param directory
247:             */
248:            public void setDirectory(String directory) {
249:                directoryLocation = directory;
250:            }
251:
252:            /**
253:             * 
254:             * @param value
255:             */
256:            public void setElements(String value) {
257:                elements = Utils.getArrayFromString(value);
258:            }
259:
260:            /**
261:             * Sets the full location of the manifest file.
262:             */
263:            public void setDestination(String value) {
264:                destination = value;
265:            }
266:
267:            /**
268:             * Whether children of this element should be taken into account.
269:             */
270:            public void setChildren(boolean children) {
271:                this .children = children;
272:            }
273:
274:            /**
275:             * 
276:             * @param value
277:             */
278:            public void setBuildName(String value) {
279:                buildName = value;
280:            }
281:
282:            /**
283:             * Sets the buildId.
284:             */
285:            public void setBuildId(String buildId) {
286:                this .buildId = buildId;
287:            }
288:
289:            /**
290:             * Sets the buildQualifier.
291:             */
292:            public void setBuildQualifier(String buildQualifier) {
293:                this .buildQualifier = buildQualifier;
294:            }
295:
296:            /**
297:             * Sets the buildType.
298:             */
299:            public void setBuildType(String buildType) {
300:                this.buildType = buildType;
301:            }
302:
303:        }
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