1 package org.apache.maven.scm.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.apache.maven.scm.CommandParameter;
23 import org.apache.maven.scm.CommandParameters;
24 import org.apache.maven.scm.ScmException;
25 import org.apache.maven.scm.ScmFileSet;
26 import org.apache.maven.scm.ScmResult;
27 import org.apache.maven.scm.ScmVersion;
28 import org.apache.maven.scm.command.AbstractCommand;
29 import org.apache.maven.scm.provider.ScmProviderRepository;
30
31 /**
32 * TODO: Better support for entire filesets.
33 * TODO: Better support for entire changesets (ie consistency between revision handling in CVS and SVN).
34 * TODO: Consistent handling of revisions, tags and dates - currently only revisions supported, though tags will work for CVS
35 *
36 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
37 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
38 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
39 *
40 */
41 public abstract class AbstractDiffCommand
42 extends AbstractCommand
43 {
44 protected abstract DiffScmResult executeDiffCommand( ScmProviderRepository repository, ScmFileSet fileSet,
45 ScmVersion startRevision, ScmVersion endRevision )
46 throws ScmException;
47
48 /** {@inheritDoc} */
49 public ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet,
50 CommandParameters parameters )
51 throws ScmException
52 {
53 ScmVersion startRevision = parameters.getScmVersion( CommandParameter.START_SCM_VERSION, null );
54
55 ScmVersion endRevision = parameters.getScmVersion( CommandParameter.END_SCM_VERSION, null );
56
57 return executeDiffCommand( repository, fileSet, startRevision, endRevision );
58 }
59 }