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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;
20  
21  import java.io.File;
22  import java.util.ArrayList;
23  import java.util.Iterator;
24  import java.util.List;
25  
26  import org.apache.maven.scm.ScmFile;
27  import org.apache.maven.scm.ScmFileStatus;
28  import org.apache.maven.scm.util.AbstractConsumer;
29  
30  /**
31   * @author <a href="mailto:kenney@apache.org">Kenney Westerhof</a>
32   *
33   */
34  public abstract class AbstractFileCheckingConsumer extends AbstractConsumer {
35      protected File workingDirectory;
36  
37      private final List<ScmFile> files = new ArrayList<>();
38  
39      protected int revision;
40  
41      private boolean filtered;
42  
43      public AbstractFileCheckingConsumer(File workingDirectory) {
44          this.workingDirectory = workingDirectory;
45      }
46  
47      /** {@inheritDoc} */
48      public final void consumeLine(String line) {
49          if (line.length() <= 3) {
50              return;
51          }
52  
53          if (logger.isDebugEnabled()) {
54              logger.debug(line);
55          }
56  
57          try {
58              parseLine(line);
59          } catch (RuntimeException re) {
60              logger.warn("RuntimeException while parsing: " + line, re);
61              throw re;
62          }
63      }
64  
65      protected abstract void parseLine(String line);
66  
67      protected List<ScmFile> getFiles() {
68  
69          if (!filtered) {
70              for (Iterator<ScmFile> ite = files.iterator(); ite.hasNext(); ) {
71                  ScmFile file = ite.next();
72                  if (!file.getStatus().equals(ScmFileStatus.DELETED)
73                          && !new File(workingDirectory, file.getPath()).isFile()) {
74                      ite.remove();
75                  }
76              }
77  
78              filtered = true;
79          }
80  
81          return files;
82      }
83  
84      protected final int parseInt(String revisionString) {
85          try {
86              return Integer.parseInt(revisionString);
87          } catch (NumberFormatException ex) {
88              return 0;
89          }
90      }
91  
92      protected void addFile(ScmFile file) {
93          files.add(file);
94      }
95  
96      public final int getRevision() {
97          return revision;
98      }
99  
100     public File getWorkingDirectory() {
101         return workingDirectory;
102     }
103 }