1 /* |
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2 * Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 |
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25 import com.sun.mirror.apt.*; |
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26 import com.sun.mirror.declaration.*; |
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27 import com.sun.mirror.type.*; |
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28 import com.sun.mirror.util.*; |
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29 |
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30 import java.util.Collection; |
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31 import java.util.Set; |
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32 import java.util.Arrays; |
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33 import java.util.Collections; |
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34 import java.io.*; |
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35 |
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36 public class PhantomTouch implements AnnotationProcessorFactory { |
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37 static class PhantomTouchProc implements AnnotationProcessor { |
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38 AnnotationProcessorEnvironment ape; |
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39 PhantomTouchProc(AnnotationProcessorEnvironment ape) { |
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40 this.ape = ape; |
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41 } |
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42 |
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43 public void process() { |
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44 // Only run the processor on the initial apt invocation |
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45 if (ape.getSpecifiedTypeDeclarations().size() == 0) { |
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46 boolean result; |
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47 try { |
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48 // Create temporary file |
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49 java.io.File f = new java.io.File("touched"); |
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50 result = f.createNewFile(); |
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51 |
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52 if (result) { |
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53 // Create new source file |
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54 PrintWriter pw = ape.getFiler().createSourceFile("HelloWorld"); |
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55 pw.println("public class HelloWorld {"); |
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56 pw.println(" // Phantom hello world"); |
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57 pw.println(" public static void main(String argv[]) {"); |
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58 pw.println(" System.out.println(\"Hello World\");"); |
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59 pw.println(" }"); |
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60 pw.println("}"); |
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61 } else |
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62 throw new RuntimeException("touched file already exists!"); |
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63 } catch (java.io.IOException e) { |
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64 result = false; |
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65 } |
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66 } |
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67 } |
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68 } |
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69 |
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70 static final Collection<String> supportedOptions; |
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71 static final Collection<String> supportedTypes; |
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72 |
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73 static { |
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74 String options[] = {""}; |
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75 supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options)); |
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76 |
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77 String types[] = {"*"}; |
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78 supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types)); |
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79 } |
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80 |
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81 public Collection<String> supportedAnnotationTypes() {return supportedTypes;} |
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82 public Collection<String> supportedOptions() {return supportedOptions;} |
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83 |
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84 |
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85 /* |
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86 * Return the same processor independent of what annotations are |
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87 * present, if any. |
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88 */ |
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89 public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds, |
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90 AnnotationProcessorEnvironment env) { |
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91 return new PhantomTouchProc(env); |
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92 } |
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93 } |
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