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 */ 23 24 25 import com.sun.mirror.apt.*; 26 import com.sun.mirror.declaration.*; 27 import com.sun.mirror.type.*; 28 import com.sun.mirror.util.*; 29 30 import java.util.Collection; 31 import java.util.Set; 32 import java.util.Arrays; 33 34 import static java.util.Collections.*; 35 import static com.sun.mirror.util.DeclarationVisitors.*; 36 37 /* 38 * The processor of this factory verifies class members are returned 39 * in source-code order. 40 */ 41 public class MemberOrderApf implements AnnotationProcessorFactory { 42 // Process any set of annotations 43 private static final Collection<String> supportedAnnotations 44 = unmodifiableCollection(Arrays.asList("*")); 45 46 // No supported options 47 private static final Collection<String> supportedOptions = emptySet(); 48 49 public Collection<String> supportedAnnotationTypes() { 50 return supportedAnnotations; 51 } 52 53 public Collection<String> supportedOptions() { 54 return supportedOptions; 55 } 56 57 public AnnotationProcessor getProcessorFor( 58 Set<AnnotationTypeDeclaration> atds, 59 AnnotationProcessorEnvironment env) { 60 return new MemberOrderAp(env); 61 } 62 63 private static class MemberOrderAp implements AnnotationProcessor { 64 private final AnnotationProcessorEnvironment env; 65 MemberOrderAp(AnnotationProcessorEnvironment env) { 66 this.env = env; 67 } 68 69 private void verifyOrder(Collection<? extends Declaration> decls) { 70 int count = 0; 71 for(Declaration decl: decls) { 72 VisitOrder order = decl.getAnnotation(VisitOrder.class); 73 if (order.value() <= count) 74 throw new RuntimeException("Out of order declarations"); 75 count = order.value(); 76 } 77 } 78 79 public void process() { 80 for(TypeDeclaration td: env.getSpecifiedTypeDeclarations()) { 81 verifyOrder(td.getFields()); 82 verifyOrder(td.getMethods()); 83 } 84 } 85 } 86 }