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Java > Open Source Codes > net > sourceforge > cruisecontrol > bootstrappers > ClearCaseBootstrapper


1 /********************************************************************************
2  * CruiseControl, a Continuous Integration Toolkit
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37 package net.sourceforge.cruisecontrol.bootstrappers;
38
39 import net.sourceforge.cruisecontrol.Bootstrapper;
40 import net.sourceforge.cruisecontrol.CruiseControlException;
41 import net.sourceforge.cruisecontrol.util.Commandline;
42 import net.sourceforge.cruisecontrol.util.StreamPumper;
43 import net.sourceforge.cruisecontrol.util.ValidationHelper;
44
45 import org.apache.log4j.Logger;
46
47 import java.io.PrintWriter JavaDoc;
48
49 /**
50  * Since we rely on our build.xml to handle updating our source code, there has
51  * always been a problem with what happens when the build.xml file itself
52  * changes. Previous workarounds have included writing a wrapper build.xml that
53  * will check out the "real" build.xml. This class is a substitute for that
54  * practice.
55  *
56  * The ClearCaseBootstrapper will handle updating a single file from
57  * ClearCase before the build begins.
58  *
59  * Usage:
60  *
61  * <clearcasebootstrapper file="" viewpath=""/>
62  *
63  */
64 public class ClearCaseBootstrapper implements Bootstrapper {
65
66     /** enable logging for this class */
67     private static Logger log = Logger.getLogger(ClearCaseBootstrapper.class);
68
69     private String JavaDoc filename;
70     private String JavaDoc viewpath;
71
72     public void setViewpath(String JavaDoc path) {
73         viewpath = path;
74     }
75
76     public void setFile(String JavaDoc name) {
77         filename = name;
78     }
79
80     /**
81      * Update the specified file.
82      */
83     public void bootstrap() {
84         Commandline commandLine = buildUpdateCommand();
85
86         log.debug("Executing: " + commandLine);
87         try {
88             Process JavaDoc p = Runtime.getRuntime().exec(commandLine.getCommandline());
89             StreamPumper errorPumper =
90                 new StreamPumper(p.getErrorStream(), new PrintWriter JavaDoc(System.err, true));
91             new Thread JavaDoc(errorPumper).start();
92             p.waitFor();
93             p.getInputStream().close();
94             p.getOutputStream().close();
95             p.getErrorStream().close();
96         } catch (Exception JavaDoc e) {
97             log.error("Error executing ClearCase update command", e);
98         }
99     }
100
101     public void validate() throws CruiseControlException {
102         ValidationHelper.assertIsSet(filename, "file", this.getClass());
103     }
104
105     protected Commandline buildUpdateCommand() {
106         Commandline commandLine = new Commandline();
107         commandLine.setExecutable("cleartool");
108
109         commandLine.createArgument().setValue("update");
110         commandLine.createArgument().setValue("-force");
111         commandLine.createArgument().setValue("-log");
112         commandLine.createArgument().setValue(isWindows() ? "NUL" : "/dev/null");
113         commandLine.createArgument().setValue(getFullPathFileName());
114
115         return commandLine;
116     }
117
118     private String JavaDoc getFullPathFileName() {
119         return viewpath == null
120             ? filename
121             : new StringBuffer JavaDoc(viewpath).append("/").append(filename).toString();
122     }
123
124     protected boolean isWindows() {
125         return getOsName().indexOf("Windows") >= 0;
126     }
127
128     protected String JavaDoc getOsName() {
129         return System.getProperty("os.name");
130     }
131
132     /** for testing */
133     public static void main(String JavaDoc[] args) {
134         ClearCaseBootstrapper bootstrapper = new ClearCaseBootstrapper();
135         bootstrapper.setViewpath("C:/views/integration_view/project");
136         bootstrapper.setFile("build.xml");
137         bootstrapper.bootstrap();
138     }
139
140 }
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