118 lines
4.0 KiB
Java
118 lines
4.0 KiB
Java
/*
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* Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import com.sun.mirror.apt.*;
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import com.sun.mirror.declaration.*;
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import com.sun.mirror.type.*;
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import com.sun.mirror.util.*;
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import java.util.Collection;
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import java.util.Set;
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import java.util.Map;
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import java.util.Arrays;
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import java.util.Collections;
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public class OptionChecker implements AnnotationProcessorFactory {
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static class OptionCheck implements AnnotationProcessor {
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AnnotationProcessorEnvironment ape;
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OptionCheck(AnnotationProcessorEnvironment ape) {
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this.ape = ape;
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}
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public void process() {
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Map<String, String> options = ape.getOptions();
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if (options.containsKey("-Afoo") &&
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options.containsKey("-Abar") &&
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options.containsKey("-classpath") ) {
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System.out.println("Expected options found.");
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return; // All is well
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} else {
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System.err.println("Unexpected options values: " + options);
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throw new RuntimeException();
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}
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}
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}
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static class HelloWorld implements AnnotationProcessor {
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AnnotationProcessorEnvironment ape;
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HelloWorld(AnnotationProcessorEnvironment ape) {
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this.ape = ape;
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}
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public void process() {
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java.io.PrintWriter pw;
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try {
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pw = ape.getFiler().createSourceFile("HelloWorld");
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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pw.println("public class HelloWorld {");
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pw.println(" public static void main (String argv[]) {");
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pw.println(" System.out.println(\"Hello apt world.\");");
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pw.println(" }");
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pw.println("}");
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}
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}
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static Collection<String> supportedTypes;
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static {
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String types[] = {"*"};
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supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types));
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}
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static Collection<String> supportedOptions;
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static {
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String options[] = {"-Afoo", "-Abar"};
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supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options));
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}
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public Collection<String> supportedOptions() {
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return supportedOptions;
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}
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public Collection<String> supportedAnnotationTypes() {
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return supportedTypes;
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}
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/*
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* Return the same processor independent of what annotations are
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* present, if any.
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*/
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public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,
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AnnotationProcessorEnvironment ape) {
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if (atds.contains(ape.getTypeDeclaration("Marker"))) {
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System.out.println("Returning composite processor.");
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return AnnotationProcessors.getCompositeAnnotationProcessor(new OptionCheck(ape),
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new HelloWorld(ape));
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}
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else {
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System.out.println("Returning single processor.");
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return new OptionCheck(ape);
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}
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}
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}
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