001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.jci.compilers;
019    
020    import java.util.HashMap;
021    import java.util.Map;
022    
023    import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
024    
025    /**
026     * Native Eclipse compiler settings
027     * 
028     * @author tcurdt
029     */
030    public final class EclipseJavaCompilerSettings extends JavaCompilerSettings {
031    
032        final private Map<String, String> defaultEclipseSettings = new HashMap<String, String>();
033    
034        public EclipseJavaCompilerSettings() {
035            defaultEclipseSettings.put(CompilerOptions.OPTION_LineNumberAttribute, CompilerOptions.GENERATE);
036            defaultEclipseSettings.put(CompilerOptions.OPTION_SourceFileAttribute, CompilerOptions.GENERATE);
037            defaultEclipseSettings.put(CompilerOptions.OPTION_ReportUnusedImport, CompilerOptions.IGNORE);
038            defaultEclipseSettings.put(CompilerOptions.OPTION_LocalVariableAttribute, CompilerOptions.GENERATE);
039        }
040        
041        public EclipseJavaCompilerSettings( final JavaCompilerSettings pSettings ) {
042            super(pSettings);
043            
044            if (pSettings instanceof EclipseJavaCompilerSettings) {
045                    defaultEclipseSettings.putAll(((EclipseJavaCompilerSettings)pSettings).toNativeSettings());
046            }
047        }
048        
049        public EclipseJavaCompilerSettings( final Map<String, String> pMap ) {
050            defaultEclipseSettings.putAll(pMap);
051        }
052    
053        private static Map<String, String> nativeVersions = new HashMap<String, String>() {
054                    private static final long serialVersionUID = 1L;
055            {
056            put("1.1", CompilerOptions.VERSION_1_1);
057            put("1.2", CompilerOptions.VERSION_1_2);
058            put("1.3", CompilerOptions.VERSION_1_3);
059            put("1.4", CompilerOptions.VERSION_1_4);
060            put("1.5", CompilerOptions.VERSION_1_5);
061            put("1.6", CompilerOptions.VERSION_1_6);
062            put("1.7", CompilerOptions.VERSION_1_7);
063        }};
064        
065        private String toNativeVersion( final String pVersion ) {
066            final String nativeVersion = nativeVersions.get(pVersion);
067            
068            if (nativeVersion == null) {
069                    throw new RuntimeException("unknown version " + pVersion);
070            }
071            
072            return nativeVersion;
073        }
074        
075        Map<String, String> toNativeSettings() {
076            final Map<String, String> map = new HashMap<String, String>(defaultEclipseSettings);
077    
078            map.put(CompilerOptions.OPTION_SuppressWarnings, isWarnings()?CompilerOptions.GENERATE:CompilerOptions.DO_NOT_GENERATE);
079            map.put(CompilerOptions.OPTION_ReportDeprecation, isDeprecations()?CompilerOptions.GENERATE:CompilerOptions.DO_NOT_GENERATE);
080            map.put(CompilerOptions.OPTION_TargetPlatform, toNativeVersion(getTargetVersion()));
081            map.put(CompilerOptions.OPTION_Source, toNativeVersion(getSourceVersion()));
082            map.put(CompilerOptions.OPTION_Encoding, getSourceEncoding());
083    
084            return map;
085        }
086        
087        @Override
088        public String toString() {
089            return toNativeSettings().toString();
090        }
091    }