1 package org.apache.maven.scm.provider.perforce.command.diff;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.codehaus.plexus.util.cli.StreamConsumer;
23
24 import java.io.PrintWriter;
25 import java.io.StringWriter;
26
27 /**
28 * @author Mike Perham
29 * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
30 * evenisse $
31 */
32 public class PerforceDiffConsumer
33 implements StreamConsumer
34 {
35 private StringWriter out = new StringWriter();
36
37 private PrintWriter output = new PrintWriter( out );
38
39 /*
40 * I don't see any easy way to distinguish between an error and
41 * normal diff output. I see two possibilities:
42 *
43 * 1) Use the p4 global "-s" parameter
44 * 2) Check for a non-zero code returned by the p4 process
45 *
46 * We'll do the latter as it's simpler to implement.
47 */
48 /** {@inheritDoc} */
49 public void consumeLine( String line )
50 {
51 output.println( line );
52 }
53
54 public String getOutput()
55 {
56 output.flush();
57 out.flush();
58 return out.toString();
59 }
60 }