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nl.toolforge.karma.core.vc.cvsimpl.ExtClient	0%	0%

1		package nl.toolforge.karma.core.vc.cvsimpl;
2
3		import nl.toolforge.core.util.file.MyFileUtils;
4		import nl.toolforge.karma.core.KarmaRuntimeException;
5		import nl.toolforge.karma.core.cmd.CommandException;
6		import nl.toolforge.karma.core.cmd.CommandResponse;
7		import nl.toolforge.karma.core.cmd.CommandResponseHandler;
8		import org.apache.tools.ant.BuildException;
9		import org.apache.tools.ant.Project;
10		import org.apache.tools.ant.helper.ProjectHelperImpl;
11		import org.netbeans.lib.cvsclient.command.Command;
12
13		import java.io.BufferedReader;
14		import java.io.BufferedWriter;
15		import java.io.File;
16		import java.io.FileWriter;
17		import java.io.IOException;
18		import java.io.InputStreamReader;
19
20		/**
21		* Quick hack to support the CVS <code>ext</code> protocol. This implementation uses the Ant task, not anything
22		* native, unfortunately.
23		*
24		* @author D.A. Smedes
25		* @version $Id: ExtClient.java,v 1.2 2004/11/02 23:57:07 asmedes Exp $
26		*/
27	0	public final class ExtClient {
28
29	0	private CommandResponse response = new CommandResponse();
30
31		public void setHandler(CommandResponseHandler handler) {
32	0	response.addCommandResponseListener(handler);
33	0	}
34
35	0	private LogParser listener = null;
36
37		public void runCommand(Command command, File contextDirectory, CVSRepository location) throws CVSException {
38
39	0	if (listener == null) {
40	0	throw new KarmaRuntimeException("No listener registered for this client.");
41		}
42
43		// todo hmm, this mechanism doesn't integrate with the commandresponse mechanism
44		//
45	0	listener.setOutputPrintStream(System.out);
46	0	listener.setMessageOutputLevel(Project.MSG_INFO);
47
48		// Configure underlying ant to run a command.
49		//
50	0	Project project = new Project();
51	0	project.addBuildListener(listener);
52	0	project.init();
53
54		// The ping thingie doesn't work through a proxy.
55		//
56
57		// if (!Ping.ping(location.getHost(), 22, 3000)) {
58		// throw new CVSException(LocationException.CONNECTION_EXCEPTION, new Object[]{location.getId()});
59		// } else {
60
61	0	ProjectHelperImpl helper = new ProjectHelperImpl();
62		try {
63	0	helper.parse(project, getBuildFile("ext-support.xml"));
64	0	} catch (IOException e) {
65	0	throw new KarmaRuntimeException("Cannot find ext-support.xml");
66	0	}
67
68	0	project.setProperty("cvsroot", location.getCVSRoot());
69	0	project.setProperty("command", command.getCVSCommand());
70	0	project.setProperty("dest", contextDirectory.getPath());
71
72		try {
73	0	project.executeTarget("run");
74	0	} catch (BuildException e) {
75	0	throw new CVSException(e, CommandException.BUILD_FAILED);
76	0	}
77		// }
78	0	}
79
80		private final File getBuildFile(String buildFile) throws IOException {
81
82	0	File tmp = null;
83
84	0	tmp = MyFileUtils.createTempDirectory();
85
86	0	ClassLoader loader = this.getClass().getClassLoader();
87
88	0	BufferedReader in =
89		new BufferedReader(class="keyword">new InputStreamReader(loader.getResourceAsStream("ant" + File.separator + buildFile)));
90	0	BufferedWriter out =
91		new BufferedWriter(class="keyword">new FileWriter(class="keyword">new File(tmp, buildFile)));
92
93		String str;
94	0	while ((str = in.readLine()) != null) {
95	0	out.write(str);
96		}
97	0	out.close();
98	0	in.close();
99
100		// Return a temp reference to the file
101		//
102	0	return new File(tmp, buildFile);
103		}
104
105		public void addCVSListener(LogParser listener) {
106	0	this.listener = listener;
107	0	}
108		}

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