1 package org.apache.maven.cli;
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.commons.cli.CommandLine;
23 import org.apache.commons.cli.Option;
24
25 import java.util.ArrayList;
26 import java.util.List;
27
28 /**
29 * A {@link CommandLine} instance that represents a merged command line combining CLI arguments with those from the
30 * {@code .mvn/maven.config} while reflecting the handling of {@link CLIManager#SET_SYSTEM_PROPERTY} versus all the
31 * other command line options (last wins vs first wins respectively).
32 */
33 class MergedCommandLine
34 extends CommandLine
35 {
36 MergedCommandLine( CommandLine commandLine, CommandLine configFile )
37 {
38 // such a pity that Commons CLI does not offer either a builder or a formatter and we need to extend
39 // to perform the merge. A formatter would mean we could unparse and reparse (not ideal but would work).
40 // A builder would be ideal for this kind of merge like processing.
41 super();
42 // the args are easy, cli first then config file
43 for ( String arg : commandLine.getArgs() )
44 {
45 addArg( arg );
46 }
47 for ( String arg : configFile.getArgs() )
48 {
49 addArg( arg );
50 }
51 // now add all options, except for -D with cli first then config file
52 List<Option> setPropertyOptions = new ArrayList<>();
53 for ( Option opt : commandLine.getOptions() )
54 {
55 if ( String.valueOf( CLIManager.SET_SYSTEM_PROPERTY ).equals( opt.getOpt() ) )
56 {
57 setPropertyOptions.add( opt );
58 }
59 else
60 {
61 addOption( opt );
62 }
63 }
64 for ( Option opt : configFile.getOptions() )
65 {
66 addOption( opt );
67 }
68 // finally add the CLI system properties
69 for ( Option opt : setPropertyOptions )
70 {
71 addOption( opt );
72 }
73 }
74
75 }