1 package org.apache.maven.scm.command;
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.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.log.ScmLogger;
27 import org.apache.maven.scm.provider.ScmProviderRepository;
28
29 /**
30 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
31 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
32 * @version $Id: AbstractCommand.java 483105 2006-12-06 15:07:54Z evenisse $
33 */
34 public abstract class AbstractCommand
35 implements Command
36 {
37 private ScmLogger logger;
38
39 protected abstract ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet,
40 CommandParameters parameters )
41 throws ScmException;
42
43 public final ScmResult execute( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
44 throws ScmException
45 {
46 if ( repository == null )
47 {
48 throw new NullPointerException( "repository cannot be null" );
49 }
50
51 if ( fileSet == null )
52 {
53 throw new NullPointerException( "fileSet cannot be null" );
54 }
55
56 try
57 {
58 return executeCommand( repository, fileSet, parameters );
59 }
60 catch ( Exception ex )
61 {
62 throw new ScmException( "Exception while executing SCM command.", ex );
63 }
64 }
65
66 /**
67 * @see org.apache.maven.scm.command.Command#getLogger()
68 */
69 public final ScmLogger getLogger()
70 {
71 return logger;
72 }
73
74 /**
75 * @see org.apache.maven.scm.command.Command#setLogger(org.apache.maven.scm.log.ScmLogger)
76 */
77 public final void setLogger( ScmLogger logger )
78 {
79 this.logger = logger;
80 }
81 }