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.command.diff;
20
21 import org.apache.maven.scm.CommandParameter;
22 import org.apache.maven.scm.CommandParameters;
23 import org.apache.maven.scm.ScmException;
24 import org.apache.maven.scm.ScmFileSet;
25 import org.apache.maven.scm.ScmResult;
26 import org.apache.maven.scm.ScmVersion;
27 import org.apache.maven.scm.command.AbstractCommand;
28 import org.apache.maven.scm.provider.ScmProviderRepository;
29
30 /**
31 * TODO: Better support for entire filesets.
32 * TODO: Better support for entire changesets (ie consistency between revision handling in SVN).
33 * TODO: Consistent handling of revisions, tags and dates - currently only revisions supported
34 *
35 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
36 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
37 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
38 *
39 */
40 public abstract class AbstractDiffCommand extends AbstractCommand {
41 protected abstract DiffScmResult executeDiffCommand(
42 ScmProviderRepository repository, ScmFileSet fileSet, ScmVersion startRevision, ScmVersion endRevision)
43 throws ScmException;
44
45 /** {@inheritDoc} */
46 public ScmResult executeCommand(ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters)
47 throws ScmException {
48 ScmVersion startRevision = parameters.getScmVersion(CommandParameter.START_SCM_VERSION, null);
49
50 ScmVersion endRevision = parameters.getScmVersion(CommandParameter.END_SCM_VERSION, null);
51
52 return executeDiffCommand(repository, fileSet, startRevision, endRevision);
53 }
54 }