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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.jci.compilers;
19  
20  import java.util.HashMap;
21  import java.util.Map;
22  
23  import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
24  
25  /**
26   * Native Eclipse compiler settings
27   * 
28   * @author tcurdt
29   */
30  public final class EclipseJavaCompilerSettings extends JavaCompilerSettings {
31  
32      final private Map<String, String> defaultEclipseSettings = new HashMap<String, String>();
33  
34      public EclipseJavaCompilerSettings() {
35          defaultEclipseSettings.put(CompilerOptions.OPTION_LineNumberAttribute, CompilerOptions.GENERATE);
36          defaultEclipseSettings.put(CompilerOptions.OPTION_SourceFileAttribute, CompilerOptions.GENERATE);
37          defaultEclipseSettings.put(CompilerOptions.OPTION_ReportUnusedImport, CompilerOptions.IGNORE);
38          defaultEclipseSettings.put(CompilerOptions.OPTION_LocalVariableAttribute, CompilerOptions.GENERATE);
39      }
40      
41      public EclipseJavaCompilerSettings( final JavaCompilerSettings pSettings ) {
42      	super(pSettings);
43      	
44      	if (pSettings instanceof EclipseJavaCompilerSettings) {
45      		defaultEclipseSettings.putAll(((EclipseJavaCompilerSettings)pSettings).toNativeSettings());
46      	}
47      }
48      
49      public EclipseJavaCompilerSettings( final Map<String, String> pMap ) {
50          defaultEclipseSettings.putAll(pMap);
51      }
52  
53      private static Map<String, String> nativeVersions = new HashMap<String, String>() {
54  		private static final long serialVersionUID = 1L;
55  	{
56      	put("1.1", CompilerOptions.VERSION_1_1);
57      	put("1.2", CompilerOptions.VERSION_1_2);
58      	put("1.3", CompilerOptions.VERSION_1_3);
59      	put("1.4", CompilerOptions.VERSION_1_4);
60      	put("1.5", CompilerOptions.VERSION_1_5);
61      	put("1.6", CompilerOptions.VERSION_1_6);
62      	put("1.7", CompilerOptions.VERSION_1_7);
63      }};
64      
65      private String toNativeVersion( final String pVersion ) {
66      	final String nativeVersion = nativeVersions.get(pVersion);
67      	
68      	if (nativeVersion == null) {
69      		throw new RuntimeException("unknown version " + pVersion);
70      	}
71      	
72      	return nativeVersion;
73      }
74      
75      Map<String, String> toNativeSettings() {
76          final Map<String, String> map = new HashMap<String, String>(defaultEclipseSettings);
77  
78          map.put(CompilerOptions.OPTION_SuppressWarnings, isWarnings()?CompilerOptions.GENERATE:CompilerOptions.DO_NOT_GENERATE);
79          map.put(CompilerOptions.OPTION_ReportDeprecation, isDeprecations()?CompilerOptions.GENERATE:CompilerOptions.DO_NOT_GENERATE);
80          map.put(CompilerOptions.OPTION_TargetPlatform, toNativeVersion(getTargetVersion()));
81          map.put(CompilerOptions.OPTION_Source, toNativeVersion(getSourceVersion()));
82          map.put(CompilerOptions.OPTION_Encoding, getSourceEncoding());
83  
84          return map;
85      }
86      
87      @Override
88      public String toString() {
89          return toNativeSettings().toString();
90      }
91  }