117 lines
4.0 KiB
Java
117 lines
4.0 KiB
Java
/*
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* Copyright 2004-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any 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.Arrays;
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import java.util.Collections;
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import java.io.*;
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public class Touch implements AnnotationProcessorFactory {
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static class TouchProc implements AnnotationProcessor {
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AnnotationProcessorEnvironment ape;
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TouchProc(AnnotationProcessorEnvironment ape) {
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this.ape = ape;
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}
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public void process() {
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boolean result;
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// Only run the processor on the initial apt invocation
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Collection<TypeDeclaration> tdecls = ape.getSpecifiedTypeDeclarations();
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if (tdecls.size() == 1) {
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for(TypeDeclaration decl: tdecls) {
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if (! decl.getSimpleName().equals("Touch") )
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return;
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}
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try {
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// Create temporary file
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java.io.File f = new java.io.File("touched");
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result = f.createNewFile();
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Filer filer = ape.getFiler();
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// Create new source file
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PrintWriter pw = filer.createSourceFile("HelloWorld");
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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 World\");");
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pw.println(" }");
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pw.println("}");
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// Create new class file and copy Empty.class
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OutputStream os = filer.createClassFile("Empty");
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FileInputStream fis = new FileInputStream("Empty.clazz");
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int datum;
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while((datum = fis.read()) != -1)
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os.write(datum);
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} catch (java.io.IOException e) {
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result = false;
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}
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if (!result)
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throw new RuntimeException("touched file already exists or other error");
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}
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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[] = {""};
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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 env) {
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return new TouchProc(env);
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}
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}
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