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1 package com.openedit.archive.update;
2
3 import java.io.IOException  ;
4 import java.util.Iterator ;
5 import java.util.List ;
6
7 import org.apache.commons.logging.Log;
8 import org.apache.commons.logging.LogFactory;
9
10 public class CommandLine implements Executor {
11 private static final Log log = LogFactory.getLog(CommandLine.class);
12
13 public boolean runExec(List com) {
14 if ( com ==null)
15 return false;
16 String [] cmd = (String []) com.toArray(new String [com.size()]);
17 return exec(cmd);
18 }
19
20 public boolean exec(List commandLine) {
21 if ( commandLine ==null)
22 return false;
23 String [] cmd = new String [commandLine.size()];
24 int i =0;
25 for (Iterator iter = commandLine.iterator(); iter.hasNext();) {
26 String element = (String ) iter.next();
27 cmd[i++] = element;
28 }
29 return exec(cmd);
30 }
31
32 public boolean exec(String [] cmd) {
33 if ( cmd ==null)
34 return false;
35 int exitVal = 0;
36 try {
37 Runtime runtime = Runtime.getRuntime();
38 reportInfo("Running: ", cmd);
39 Process proc = runtime.exec(cmd);
40 exitVal = proc.waitFor();
41 if (exitVal != 0) {
42 reportError(cmd);
43 }
44 } catch (IOException x) {
45 reportError(cmd);
46 return false;
47 } catch (InterruptedException e) {
48 reportError(cmd);
49 return false;
50 }
51 return exitVal == 0;
52 }
53
54 protected void reportError(String [] cmd) {
55 StringBuffer out = new StringBuffer ();
56 for (int i = 0; i < cmd.length; i++) {
57 out.append(cmd[i]);
58 out.append(" ");
59 }
60 log.error("Error on: " + out);
61 }
62
63 protected void reportInfo(String label, String [] cmd) {
64 StringBuffer out = new StringBuffer ();
65 for (int i = 0; i < cmd.length; i++) {
66 out.append(cmd[i]);
67 out.append(" ");
68 }
69 log.info(label + out);
70 }
71
72 } |
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