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 */
30 public class PerforceDiffConsumer
31 implements StreamConsumer
32 {
33 private StringWriter out = new StringWriter();
34
35 private PrintWriter output = new PrintWriter( out );
36
37 /*
38 * I don't see any easy way to distinguish between an error and
39 * normal diff output. I see two possibilities:
40 *
41 * 1) Use the p4 global "-s" parameter
42 * 2) Check for a non-zero code returned by the p4 process
43 *
44 * We'll do the latter as it's simpler to implement.
45 */
46 /** {@inheritDoc} */
47 public void consumeLine( String line )
48 {
49 output.println( line );
50 }
51
52 public String getOutput()
53 {
54 output.flush();
55 out.flush();
56 return out.toString();
57 }
58 }