Source Code Cross Referenced for Darcs.java in  » Build » cruisecontrol » net » sourceforge » cruisecontrol » sourcecontrols » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Build » cruisecontrol » net.sourceforge.cruisecontrol.sourcecontrols 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /********************************************************************************
002:         * CruiseControl, a Continuous Integration Toolkit
003:         * Copyright (c) 2007, ThoughtWorks, Inc.
004:         * 200 E. Randolph, 25th Floor
005:         * Chicago, IL 60601 USA
006:         * All rights reserved.
007:         *
008:         * Redistribution and use in source and binary forms, with or without
009:         * modification, are permitted provided that the following conditions
010:         * are met:
011:         *
012:         *     + Redistributions of source code must retain the above copyright
013:         *       notice, this list of conditions and the following disclaimer.
014:         *
015:         *     + Redistributions in binary form must reproduce the above
016:         *       copyright notice, this list of conditions and the following
017:         *       disclaimer in the documentation and/or other materials provided
018:         *       with the distribution.
019:         *
020:         *     + Neither the name of ThoughtWorks, Inc., CruiseControl, nor the
021:         *       names of its contributors may be used to endorse or promote
022:         *       products derived from this software without specific prior
023:         *       written permission.
024:         *
025:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
026:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
027:         * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
028:         * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
029:         * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
030:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
031:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
032:         * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
033:         * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
034:         * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
035:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
036:         ********************************************************************************/package net.sourceforge.cruisecontrol.sourcecontrols;
037:
038:        import net.sourceforge.cruisecontrol.CruiseControlException;
039:        import net.sourceforge.cruisecontrol.Modification;
040:        import net.sourceforge.cruisecontrol.SourceControl;
041:        import net.sourceforge.cruisecontrol.util.Commandline;
042:        import net.sourceforge.cruisecontrol.util.IO;
043:        import net.sourceforge.cruisecontrol.util.StreamLogger;
044:        import net.sourceforge.cruisecontrol.util.ValidationHelper;
045:        import org.apache.log4j.Logger;
046:        import org.jdom.Document;
047:        import org.jdom.Element;
048:        import org.jdom.JDOMException;
049:        import org.jdom.input.SAXBuilder;
050:
051:        import java.io.BufferedInputStream;
052:        import java.io.File;
053:        import java.io.IOException;
054:        import java.io.InputStream;
055:        import java.io.InputStreamReader;
056:        import java.io.Reader;
057:        import java.text.DateFormat;
058:        import java.text.ParseException;
059:        import java.text.SimpleDateFormat;
060:        import java.util.ArrayList;
061:        import java.util.Collections;
062:        import java.util.Date;
063:        import java.util.Iterator;
064:        import java.util.List;
065:        import java.util.Map;
066:
067:        /**
068:         * <p/>
069:         * Source Control implementation for Darcs. Provides a means of executing the darcs changes command and parsing the xml
070:         * output to determine if there have been any changes. The modifications are parsed and used for cruisecontrol build
071:         * reports which allow the patch names associated with a build to be displayed. Currently the darcs xml-output does not
072:         * display which files have changed.
073:         * </p>
074:         * <p/>
075:         * Large parts of this implementation were based on the {@link net.sourceforge.cruisecontrol.sourcecontrols.SVN} source
076:         * control implementation.
077:         * </p>
078:         */
079:        public class Darcs implements  SourceControl {
080:
081:            private static final long serialVersionUID = 7976081409836256093L;
082:
083:            private static final Logger LOGGER = Logger.getLogger(Darcs.class);
084:
085:            private static final DateFormat DARCS_DATE_FORMAT = new SimpleDateFormat(
086:                    "yyyyMMddHHmmss");
087:
088:            private String mWorkingDir;
089:
090:            private String mRepositoryLocation;
091:
092:            private SourceControlProperties mProperties = new SourceControlProperties();
093:
094:            public void setProperty(String property) {
095:                mProperties.assignPropertyName(property);
096:            }
097:
098:            public void setPropertyOnDelete(String propertyOnDelete) {
099:                mProperties.assignPropertyOnDeleteName(propertyOnDelete);
100:            }
101:
102:            public void setRepositoryLocation(String repositoryLocation) {
103:                mRepositoryLocation = repositoryLocation;
104:            }
105:
106:            public void setWorkingDir(String workingDir) {
107:                mWorkingDir = workingDir;
108:            }
109:
110:            public Map getProperties() {
111:                return mProperties.getPropertiesAndReset();
112:            }
113:
114:            public void validate() throws CruiseControlException {
115:                ValidationHelper
116:                        .assertTrue(
117:                                mRepositoryLocation != null
118:                                        || mWorkingDir != null,
119:                                "At least 'repositoryLocation'or 'workingDir' is a required attribute on the Darcs task ");
120:
121:                if (mWorkingDir != null) {
122:                    File workingDir = new File(mWorkingDir);
123:                    ValidationHelper.assertTrue(workingDir.exists()
124:                            && workingDir.isDirectory(),
125:                            "'workingDir' must be an existing directory. Was "
126:                                    + workingDir.getAbsolutePath());
127:                }
128:            }
129:
130:            public List getModifications(Date lastBuild, Date now) {
131:                try {
132:                    Commandline command = buildChangesCommand(lastBuild, now);
133:                    List modifications = execChangesCommand(command);
134:                    fillPropertiesIfNeeded(modifications);
135:                    return modifications;
136:                } catch (Exception e) {
137:                    LOGGER.error("Failed to execute darcs changes command", e);
138:                }
139:                return Collections.EMPTY_LIST;
140:            }
141:
142:            Commandline buildChangesCommand(Date lastBuild, Date checkTime)
143:                    throws CruiseControlException {
144:
145:                Commandline command = new Commandline();
146:                command.setExecutable("darcs");
147:
148:                if (mWorkingDir != null) {
149:                    command.setWorkingDirectory(mWorkingDir);
150:                }
151:
152:                command.createArgument("changes");
153:                command.createArgument("--xml-output");
154:                command.createArgument("--match");
155:                command.createArgument("'date \""
156:                        + DARCS_DATE_FORMAT.format(lastBuild) + "/"
157:                        + DARCS_DATE_FORMAT.format(checkTime) + "\"'");
158:
159:                LOGGER.debug("Executing command: " + command);
160:
161:                return command;
162:            }
163:
164:            private List execChangesCommand(Commandline command)
165:                    throws InterruptedException, IOException, ParseException,
166:                    JDOMException {
167:
168:                Process p = command.execute();
169:
170:                Thread stderr = logErrorStream(p);
171:                InputStream darcsStream = p.getInputStream();
172:                List modifications = parseStream(darcsStream);
173:                p.waitFor();
174:                stderr.join();
175:                IO.close(p);
176:
177:                return modifications;
178:            }
179:
180:            private List parseStream(InputStream darcsStream)
181:                    throws ParseException, JDOMException, IOException {
182:                InputStreamReader reader = new InputStreamReader(
183:                        new BufferedInputStream(darcsStream), "UTF-8");
184:                return DarcsXmlParser.parse(reader);
185:            }
186:
187:            private Thread logErrorStream(Process p) {
188:                Thread stderr = new Thread(StreamLogger.getWarnPumper(LOGGER, p
189:                        .getErrorStream()));
190:                stderr.start();
191:                return stderr;
192:            }
193:
194:            void fillPropertiesIfNeeded(List modifications) {
195:                if (!modifications.isEmpty()) {
196:                    mProperties.modificationFound();
197:                }
198:            }
199:
200:            static final class DarcsXmlParser {
201:                private DarcsXmlParser() { /* helper class, no instances */
202:                }
203:
204:                static List parse(Reader reader) throws ParseException,
205:                        JDOMException, IOException {
206:
207:                    SAXBuilder builder = new SAXBuilder(false);
208:                    Document document = builder.build(reader);
209:                    return parseDOMTree(document);
210:                }
211:
212:                private static List parseDOMTree(Document document)
213:                        throws ParseException {
214:                    List modifications = new ArrayList();
215:                    Element rootElement = document.getRootElement();
216:                    List patches = rootElement.getChildren("patch");
217:                    if (patches != null) {
218:                        for (Iterator iterator = patches.iterator(); iterator
219:                                .hasNext();) {
220:                            Element patch = (Element) iterator.next();
221:                            modifications.add(parsePatch(patch));
222:                        }
223:                    }
224:                    return modifications;
225:                }
226:
227:                private static Modification parsePatch(Element patch)
228:                        throws ParseException {
229:                    Modification modification = new Modification("darcs");
230:                    modification.modifiedTime = DARCS_DATE_FORMAT.parse(patch
231:                            .getAttributeValue("date"));
232:                    String email = patch.getAttributeValue("author");
233:                    modification.userName = parseUser(email);
234:                    modification.emailAddress = email;
235:                    modification.comment = patch.getChildText("name");
236:                    return modification;
237:                }
238:
239:                private static String parseUser(String email) {
240:                    return email.substring(0, email.indexOf('@'));
241:                }
242:            }
243:
244:        }
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