| /* |
| * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| |
| import com.sun.mirror.apt.*; |
| import com.sun.mirror.declaration.*; |
| import com.sun.mirror.type.*; |
| import com.sun.mirror.util.*; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| import java.util.Map; |
| import java.util.Arrays; |
| import java.util.Collections; |
| |
| public class OptionChecker implements AnnotationProcessorFactory { |
| static class OptionCheck implements AnnotationProcessor { |
| AnnotationProcessorEnvironment ape; |
| OptionCheck(AnnotationProcessorEnvironment ape) { |
| this.ape = ape; |
| } |
| |
| public void process() { |
| Map<String, String> options = ape.getOptions(); |
| if (options.containsKey("-Afoo") && |
| options.containsKey("-Abar") && |
| options.containsKey("-classpath") ) { |
| System.out.println("Expected options found."); |
| return; // All is well |
| } else { |
| System.err.println("Unexpected options values: " + options); |
| throw new RuntimeException(); |
| } |
| } |
| } |
| |
| static class HelloWorld implements AnnotationProcessor { |
| AnnotationProcessorEnvironment ape; |
| HelloWorld(AnnotationProcessorEnvironment ape) { |
| this.ape = ape; |
| } |
| |
| public void process() { |
| java.io.PrintWriter pw; |
| try { |
| pw = ape.getFiler().createSourceFile("HelloWorld"); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| |
| pw.println("public class HelloWorld {"); |
| pw.println(" public static void main (String argv[]) {"); |
| pw.println(" System.out.println(\"Hello apt world.\");"); |
| pw.println(" }"); |
| pw.println("}"); |
| } |
| } |
| |
| |
| static Collection<String> supportedTypes; |
| static { |
| String types[] = {"*"}; |
| supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types)); |
| } |
| |
| static Collection<String> supportedOptions; |
| static { |
| String options[] = {"-Afoo", "-Abar"}; |
| supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options)); |
| } |
| |
| public Collection<String> supportedOptions() { |
| return supportedOptions; |
| } |
| |
| public Collection<String> supportedAnnotationTypes() { |
| return supportedTypes; |
| } |
| |
| /* |
| * Return the same processor independent of what annotations are |
| * present, if any. |
| */ |
| public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds, |
| AnnotationProcessorEnvironment ape) { |
| |
| if (atds.contains(ape.getTypeDeclaration("Marker"))) { |
| System.out.println("Returning composite processor."); |
| return AnnotationProcessors.getCompositeAnnotationProcessor(new OptionCheck(ape), |
| new HelloWorld(ape)); |
| } |
| else { |
| System.out.println("Returning single processor."); |
| return new OptionCheck(ape); |
| } |
| } |
| } |