1 package org.apache.maven.scm.provider.jazz.command.checkout;
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.apache.maven.scm.ScmFile;
23 import org.apache.maven.scm.ScmFileStatus;
24 import org.apache.maven.scm.log.ScmLogger;
25 import org.apache.maven.scm.provider.ScmProviderRepository;
26 import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer;
27 import org.apache.regexp.RE;
28 import org.apache.regexp.RESyntaxException;
29
30 import java.util.ArrayList;
31 import java.util.List;
32
33 /**
34 * Consume the output of the scm command for the "load" operation.
35 *
36 * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a>
37 */
38 public class JazzCheckOutConsumer
39 extends AbstractRepositoryConsumer
40 {
41 private static final String DOWNLOAD_PATTERN = "^Downloading\\s(.*)\\s\\s\\(\\d.*B\\)$";
42
43 /**
44 * @see #DOWNLOAD_PATTERN
45 */
46 private RE downloadRegexp;
47
48 protected String fCurrentDir = "";
49
50 private List<ScmFile> fCheckedOutFiles = new ArrayList<ScmFile>();
51
52 /**
53 * Construct the JazzCheckOutCommand consumer.
54 *
55 * @param repository The repository we are working with.
56 * @param logger The logger to use.
57 */
58 public JazzCheckOutConsumer( ScmProviderRepository repository, ScmLogger logger )
59 {
60 super( repository, logger );
61
62 try
63 {
64 downloadRegexp = new RE( DOWNLOAD_PATTERN );
65 }
66 catch ( RESyntaxException ex )
67 {
68 throw new RuntimeException(
69 "INTERNAL ERROR: Could not create regexp to parse jazz scm checkout output. This shouldn't happen. Something is probably wrong with the oro installation.",
70 ex );
71 }
72 }
73
74 /**
75 * Process one line of output from the execution of the "scm load" command.
76 *
77 * @param line The line of output from the external command that has been pumped to us.
78 * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String)
79 */
80 public void consumeLine( String line )
81 {
82 // Examples:
83 // Downloading /checkout-test/src/emptyFile.txt (0 B)
84 // Downloading /checkout-test/src/folder with spaces/file with spaces.java (24.0 KB)
85 if ( downloadRegexp.match( line ) )
86 {
87 fCheckedOutFiles.add( new ScmFile( downloadRegexp.getParen( 1 ), ScmFileStatus.CHECKED_OUT ) );
88 }
89 }
90
91 public List<ScmFile> getCheckedOutFiles()
92 {
93 return fCheckedOutFiles;
94 }
95
96 }