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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.scm.provider.svn.svnexe.command.status;
20  
21  import java.io.File;
22  import java.util.ArrayList;
23  import java.util.List;
24  
25  import org.apache.maven.scm.ScmFile;
26  import org.apache.maven.scm.ScmFileStatus;
27  import org.apache.maven.scm.util.AbstractConsumer;
28  
29  /**
30   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
31   *
32   */
33  public class SvnStatusConsumer extends AbstractConsumer {
34      private final File workingDirectory;
35  
36      private final List<ScmFile> changedFiles = new ArrayList<>();
37  
38      // ----------------------------------------------------------------------
39      //
40      // ----------------------------------------------------------------------
41  
42      public SvnStatusConsumer(File workingDirectory) {
43          this.workingDirectory = workingDirectory;
44      }
45  
46      // ----------------------------------------------------------------------
47      // StreamConsumer Implementation
48      // ----------------------------------------------------------------------
49  
50      /** {@inheritDoc} */
51      public void consumeLine(String line) {
52          if (logger.isDebugEnabled()) {
53              logger.debug(line);
54          }
55          if (line.trim().isEmpty()) {
56              return;
57          }
58  
59          if (line.length() <= 7) {
60              if (logger.isWarnEnabled()) {
61                  logger.warn("Unexpected input, the line must be at least seven characters long. Line: '" + line + "'.");
62              }
63  
64              return;
65          }
66  
67          String statusString = line.substring(0, 1);
68  
69          String file = line.substring(7).trim();
70  
71          ScmFileStatus status;
72  
73          //  The first six columns in the output are each one character wide:
74          //    First column: Says if item was added, deleted, or otherwise changed
75          //      ' ' no modifications
76          //      'A' Added
77          //      'C' Conflicted
78          //      'D' Deleted
79          //      'I' Ignored
80          //      'M' Modified
81          //      'R' Replaced
82          //      'X' item is unversioned, but is used by an externals definition
83          //      '?' item is not under version control
84          //      '!' item is missing (removed by non-svn command) or incomplete
85          //      '~' versioned item obstructed by some item of a different kind
86          //    Second column: Modifications of a file's or directory's properties
87          //      ' ' no modifications
88          //      'C' Conflicted
89          //      'M' Modified
90          //    Third column: Whether the working copy directory is locked
91          //      ' ' not locked
92          //      'L' locked
93          //    Fourth column: Scheduled commit will contain addition-with-history
94          //      ' ' no history scheduled with commit
95          //      '+' history scheduled with commit
96          //    Fifth column: Whether the item is switched relative to its parent
97          //      ' ' normal
98          //      'S' switched
99          //    Sixth column: Repository lock token
100         //      (without -u)
101         //      ' ' no lock token
102         //      'K' lock token present
103         //      (with -u)
104         //      ' ' not locked in repository, no lock token
105         //      'K' locked in repository, lock toKen present
106         //      'O' locked in repository, lock token in some Other working copy
107         //      'T' locked in repository, lock token present but sTolen
108         //      'B' not locked in repository, lock token present but Broken
109         //
110         //  The out-of-date information appears in the eighth column (with -u):
111         //      '*' a newer revision exists on the server
112         //      ' ' the working copy is up to date
113         if (statusString.equals("A")) {
114             status = ScmFileStatus.ADDED;
115         } else if (statusString.equals("M") || statusString.equals("R") || statusString.equals("~")) {
116             status = ScmFileStatus.MODIFIED;
117         } else if (statusString.equals("D")) {
118             status = ScmFileStatus.DELETED;
119         } else if (statusString.equals("?")) {
120             status = ScmFileStatus.UNKNOWN;
121         } else if (statusString.equals("!")) {
122             status = ScmFileStatus.MISSING;
123         } else if (statusString.equals("C")) {
124             status = ScmFileStatus.CONFLICT;
125         } else if (statusString.equals("L")) {
126             status = ScmFileStatus.LOCKED;
127         } else if (statusString.equals("X")) {
128             // skip svn:external entries
129             return;
130         } else if (statusString.equals("I")) {
131             // skip svn:external entries
132             return;
133         } else {
134             // Parse the second column
135             statusString = line.substring(1, 1);
136 
137             // The line isn't a status line, ie something like 'Performing status on external item at...'
138             // or a status defined in next columns
139             return;
140         }
141 
142         // If the file isn't a file; don't add it.
143         if (!status.equals(ScmFileStatus.DELETED) && !new File(workingDirectory, file).isFile()) {
144             return;
145         }
146 
147         changedFiles.add(new ScmFile(file, status));
148     }
149 
150     public List<ScmFile> getChangedFiles() {
151         return changedFiles;
152     }
153 }