Thu, 25 Aug 2011 17:18:25 -0700
Added tag jdk8-b02 for changeset b3c059de2a61
1 /*
2 * Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
25 import com.sun.mirror.apt.*;
26 import com.sun.mirror.declaration.*;
27 import com.sun.mirror.type.*;
28 import com.sun.mirror.util.*;
30 import java.util.Collection;
31 import java.util.Set;
32 import java.util.Arrays;
33 import java.util.Collections;
34 import java.io.*;
36 public class PhantomTouch implements AnnotationProcessorFactory {
37 static class PhantomTouchProc implements AnnotationProcessor {
38 AnnotationProcessorEnvironment ape;
39 PhantomTouchProc(AnnotationProcessorEnvironment ape) {
40 this.ape = ape;
41 }
43 public void process() {
44 // Only run the processor on the initial apt invocation
45 if (ape.getSpecifiedTypeDeclarations().size() == 0) {
46 boolean result;
47 try {
48 // Create temporary file
49 java.io.File f = new java.io.File("touched");
50 result = f.createNewFile();
52 if (result) {
53 // Create new source file
54 PrintWriter pw = ape.getFiler().createSourceFile("HelloWorld");
55 pw.println("public class HelloWorld {");
56 pw.println(" // Phantom hello world");
57 pw.println(" public static void main(String argv[]) {");
58 pw.println(" System.out.println(\"Hello World\");");
59 pw.println(" }");
60 pw.println("}");
61 } else
62 throw new RuntimeException("touched file already exists!");
63 } catch (java.io.IOException e) {
64 result = false;
65 }
66 }
67 }
68 }
70 static final Collection<String> supportedOptions;
71 static final Collection<String> supportedTypes;
73 static {
74 String options[] = {""};
75 supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options));
77 String types[] = {"*"};
78 supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types));
79 }
81 public Collection<String> supportedAnnotationTypes() {return supportedTypes;}
82 public Collection<String> supportedOptions() {return supportedOptions;}
85 /*
86 * Return the same processor independent of what annotations are
87 * present, if any.
88 */
89 public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,
90 AnnotationProcessorEnvironment env) {
91 return new PhantomTouchProc(env);
92 }
93 }