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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.rat.commandline;
20  
21  import java.io.File;
22  
23  import org.apache.commons.cli.CommandLine;
24  import org.apache.commons.cli.Option;
25  import org.apache.commons.cli.ParseException;
26  import org.apache.rat.ReportConfiguration;
27  import org.apache.rat.document.DocumentName;
28  import org.apache.rat.utils.DefaultLog;
29  
30  import static java.lang.String.format;
31  
32  /**
33   * Provides the context necessary to process various arguments.
34   * @since 0.17
35   */
36  public class ArgumentContext {
37      /** The report configuration that is being built */
38      private final ReportConfiguration configuration;
39      /** The command line that is building the configuration */
40      private final CommandLine commandLine;
41      /** The directory from which relative file names will be resolved */
42      private final DocumentName workingDirectory;
43  
44      /**
45       * Creates a context with the specified configuration.
46       * @param workingDirectory the directory from which relative file names will be resolved.
47       * @param configuration The configuration that is being built.
48       * @param commandLine The command line that is building the configuration.
49       */
50      public ArgumentContext(final File workingDirectory, final ReportConfiguration configuration, final CommandLine commandLine) {
51          this.workingDirectory = DocumentName.builder(workingDirectory).build();
52          this.commandLine = commandLine;
53          this.configuration = configuration;
54      }
55  
56      /**
57       * Creates a context with an empty configuration.
58       * @param workingDirectory The directory from which to resolve relative file names.
59       * @param commandLine The command line.
60       */
61      public ArgumentContext(final File workingDirectory, final CommandLine commandLine) {
62          this(workingDirectory, new ReportConfiguration(), commandLine);
63      }
64  
65      /**
66       * Process the arguments specified in this context.
67       */
68      public void processArgs() {
69          Arg.processArgs(this);
70      }
71  
72      /**
73       * Gets the configuration.
74       * @return The configuration that is being built.
75       */
76      public ReportConfiguration getConfiguration() {
77          return configuration;
78      }
79  
80      /**
81       * Gets the command line.
82       * @return The command line that is driving the configuration.
83       */
84      public CommandLine getCommandLine() {
85          return commandLine;
86      }
87  
88      /**
89       * Gets the directory name from which relative file names will be resolved.
90       * @return The directory name from which relative file names will be resolved.
91       */
92      public DocumentName getWorkingDirectory() {
93          return workingDirectory;
94      }
95  
96      /**
97       * Logs a ParseException as a warning.
98       * @param exception the parse exception to log
99       * @param opt the option being processed
100      * @param defaultValue The default value the option is being set to.
101      */
102     public void logParseException(final ParseException exception, final Option opt, final Object defaultValue) {
103         DefaultLog.getInstance().warn(format("Invalid %s specified: %s ", opt, commandLine.getOptionValue(opt)));
104         DefaultLog.getInstance().warn(format("%s set to: %s", opt, defaultValue));
105         DefaultLog.getInstance().debug(exception);
106     }
107 }