Sat, 01 Dec 2007 00:00:00 +0000
Initial load
duke@1 | 1 | /* |
duke@1 | 2 | * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. |
duke@1 | 8 | * |
duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 13 | * accompanied this code). |
duke@1 | 14 | * |
duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 18 | * |
duke@1 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 21 | * have any questions. |
duke@1 | 22 | */ |
duke@1 | 23 | |
duke@1 | 24 | |
duke@1 | 25 | import com.sun.mirror.apt.*; |
duke@1 | 26 | import com.sun.mirror.declaration.*; |
duke@1 | 27 | import com.sun.mirror.type.*; |
duke@1 | 28 | import com.sun.mirror.util.*; |
duke@1 | 29 | |
duke@1 | 30 | import java.util.Collection; |
duke@1 | 31 | import java.util.Set; |
duke@1 | 32 | import java.util.Arrays; |
duke@1 | 33 | import java.util.Collections; |
duke@1 | 34 | import java.io.*; |
duke@1 | 35 | |
duke@1 | 36 | public class Touch implements AnnotationProcessorFactory { |
duke@1 | 37 | static class TouchProc implements AnnotationProcessor { |
duke@1 | 38 | AnnotationProcessorEnvironment ape; |
duke@1 | 39 | TouchProc(AnnotationProcessorEnvironment ape) { |
duke@1 | 40 | this.ape = ape; |
duke@1 | 41 | } |
duke@1 | 42 | |
duke@1 | 43 | public void process() { |
duke@1 | 44 | boolean result; |
duke@1 | 45 | // Only run the processor on the initial apt invocation |
duke@1 | 46 | Collection<TypeDeclaration> tdecls = ape.getSpecifiedTypeDeclarations(); |
duke@1 | 47 | |
duke@1 | 48 | if (tdecls.size() == 1) { |
duke@1 | 49 | for(TypeDeclaration decl: tdecls) { |
duke@1 | 50 | if (! decl.getSimpleName().equals("Touch") ) |
duke@1 | 51 | return; |
duke@1 | 52 | } |
duke@1 | 53 | |
duke@1 | 54 | try { |
duke@1 | 55 | // Create temporary file |
duke@1 | 56 | java.io.File f = new java.io.File("touched"); |
duke@1 | 57 | result = f.createNewFile(); |
duke@1 | 58 | |
duke@1 | 59 | |
duke@1 | 60 | Filer filer = ape.getFiler(); |
duke@1 | 61 | |
duke@1 | 62 | // Create new source file |
duke@1 | 63 | PrintWriter pw = filer.createSourceFile("HelloWorld"); |
duke@1 | 64 | pw.println("public class HelloWorld {"); |
duke@1 | 65 | pw.println(" public static void main(String argv[]) {"); |
duke@1 | 66 | pw.println(" System.out.println(\"Hello World\");"); |
duke@1 | 67 | pw.println(" }"); |
duke@1 | 68 | pw.println("}"); |
duke@1 | 69 | |
duke@1 | 70 | // Create new class file and copy Empty.class |
duke@1 | 71 | OutputStream os = filer.createClassFile("Empty"); |
duke@1 | 72 | FileInputStream fis = new FileInputStream("Empty.clazz"); |
duke@1 | 73 | int datum; |
duke@1 | 74 | while((datum = fis.read()) != -1) |
duke@1 | 75 | os.write(datum); |
duke@1 | 76 | |
duke@1 | 77 | } catch (java.io.IOException e) { |
duke@1 | 78 | result = false; |
duke@1 | 79 | } |
duke@1 | 80 | if (!result) |
duke@1 | 81 | throw new RuntimeException("touched file already exists or other error"); |
duke@1 | 82 | } |
duke@1 | 83 | |
duke@1 | 84 | } |
duke@1 | 85 | |
duke@1 | 86 | } |
duke@1 | 87 | |
duke@1 | 88 | static Collection<String> supportedTypes; |
duke@1 | 89 | static { |
duke@1 | 90 | String types[] = {"*"}; |
duke@1 | 91 | supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types)); |
duke@1 | 92 | } |
duke@1 | 93 | |
duke@1 | 94 | static Collection<String> supportedOptions; |
duke@1 | 95 | static { |
duke@1 | 96 | String options[] = {""}; |
duke@1 | 97 | supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options)); |
duke@1 | 98 | } |
duke@1 | 99 | |
duke@1 | 100 | public Collection<String> supportedOptions() { |
duke@1 | 101 | return supportedOptions; |
duke@1 | 102 | } |
duke@1 | 103 | |
duke@1 | 104 | public Collection<String> supportedAnnotationTypes() { |
duke@1 | 105 | return supportedTypes; |
duke@1 | 106 | } |
duke@1 | 107 | |
duke@1 | 108 | /* |
duke@1 | 109 | * Return the same processor independent of what annotations are |
duke@1 | 110 | * present, if any. |
duke@1 | 111 | */ |
duke@1 | 112 | public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds, |
duke@1 | 113 | AnnotationProcessorEnvironment env) { |
duke@1 | 114 | return new TouchProc(env); |
duke@1 | 115 | } |
duke@1 | 116 | } |