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1   package nl.toolforge.karma.cli.cmd;
2   
3   import nl.toolforge.karma.core.cmd.CommandDescriptor;
4   import nl.toolforge.karma.core.cmd.CommandException;
5   import nl.toolforge.karma.core.cmd.CommandResponse;
6   import nl.toolforge.karma.core.cmd.event.MessageEvent;
7   import nl.toolforge.karma.core.cmd.event.SimpleMessage;
8   import nl.toolforge.karma.core.cmd.impl.ViewWorkingContexts;
9   import org.apache.commons.lang.StringUtils;
10  
11  import java.util.Iterator;
12  
13  /***
14   * Views all working contexts in tabular format.
15   *
16   * @author D.A. Smedes
17   * @version $Id: ViewWorkingContextsImpl.java,v 1.2 2004/11/02 23:57:05 asmedes Exp $
18   */
19  public class ViewWorkingContextsImpl extends ViewWorkingContexts {
20  
21    private CommandResponse response = new CommandResponse();
22  
23    public ViewWorkingContextsImpl(CommandDescriptor descriptor) {
24      super(descriptor);
25    }
26  
27    public void execute() throws CommandException {
28  
29      super.execute();
30  
31      StringBuffer buffer = new StringBuffer();
32  
33      buffer.append("\n");
34      String header = "Available working contexts:";
35      buffer.append(header + "\n");
36      buffer.append(StringUtils.repeat("_", header.length()) + "\n\n");
37  
38      for (Iterator i = getWorkingContexts().iterator(); i.hasNext();) {
39        buffer.append((String) i.next() + "\n");
40      }
41  
42      response.addEvent(new MessageEvent(new SimpleMessage(buffer.toString())));
43    }
44  
45    public CommandResponse getCommandResponse() {
46      return response;
47    }
48  }