Mercurial > jdk8-mips64-public > langtools / file revision
test/tools/apt/Discovery/Touch.java@f497fac86cf9
test/tools/apt/Discovery/Touch.java
Thu, 25 Aug 2011 17:18:25 -0700
- author
- schien
- date
- Thu, 25 Aug 2011 17:18:25 -0700
- changeset 1067
- f497fac86cf9
- parent 554
- 9d9f26857129
- permissions
- -rw-r--r--
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 Touch implements AnnotationProcessorFactory {
37 static class TouchProc implements AnnotationProcessor {
38 AnnotationProcessorEnvironment ape;
39 TouchProc(AnnotationProcessorEnvironment ape) {
40 this.ape = ape;
41 }
43 public void process() {
44 boolean result;
45 // Only run the processor on the initial apt invocation
46 Collection<TypeDeclaration> tdecls = ape.getSpecifiedTypeDeclarations();
48 if (tdecls.size() == 1) {
49 for(TypeDeclaration decl: tdecls) {
50 if (! decl.getSimpleName().equals("Touch") )
51 return;
52 }
54 try {
55 // Create temporary file
56 java.io.File f = new java.io.File("touched");
57 result = f.createNewFile();
60 Filer filer = ape.getFiler();
62 // Create new source file
63 PrintWriter pw = filer.createSourceFile("HelloWorld");
64 pw.println("public class HelloWorld {");
65 pw.println(" public static void main(String argv[]) {");
66 pw.println(" System.out.println(\"Hello World\");");
67 pw.println(" }");
68 pw.println("}");
70 // Create new class file and copy Empty.class
71 OutputStream os = filer.createClassFile("Empty");
72 FileInputStream fis = new FileInputStream("Empty.clazz");
73 int datum;
74 while((datum = fis.read()) != -1)
75 os.write(datum);
77 } catch (java.io.IOException e) {
78 result = false;
79 }
80 if (!result)
81 throw new RuntimeException("touched file already exists or other error");
82 }
84 }
86 }
88 static Collection<String> supportedTypes;
89 static {
90 String types[] = {"*"};
91 supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types));
92 }
94 static Collection<String> supportedOptions;
95 static {
96 String options[] = {""};
97 supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options));
98 }
100 public Collection<String> supportedOptions() {
101 return supportedOptions;
102 }
104 public Collection<String> supportedAnnotationTypes() {
105 return supportedTypes;
106 }
108 /*
109 * Return the same processor independent of what annotations are
110 * present, if any.
111 */
112 public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,
113 AnnotationProcessorEnvironment env) {
114 return new TouchProc(env);
115 }
116 }
