1/* 2 * Copyright (c) 1997, 2013, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.tools.internal.jxc.ap; 27 28import com.sun.tools.internal.jxc.ConfigReader; 29import com.sun.tools.internal.jxc.api.JXC; 30import com.sun.tools.internal.xjc.ErrorReceiver; 31import com.sun.tools.internal.xjc.api.J2SJAXBModel; 32import com.sun.tools.internal.xjc.api.Reference; 33import org.xml.sax.SAXException; 34 35import javax.annotation.processing.AbstractProcessor; 36import javax.annotation.processing.ProcessingEnvironment; 37import javax.annotation.processing.RoundEnvironment; 38import javax.annotation.processing.SupportedAnnotationTypes; 39import javax.annotation.processing.SupportedOptions; 40import javax.lang.model.SourceVersion; 41import javax.lang.model.element.Element; 42import javax.lang.model.element.ElementKind; 43import javax.lang.model.element.TypeElement; 44import javax.lang.model.util.ElementFilter; 45import javax.xml.bind.SchemaOutputResolver; 46import javax.xml.namespace.QName; 47import java.io.File; 48import java.io.IOException; 49import java.util.ArrayList; 50import java.util.Collection; 51import java.util.Collections; 52import java.util.Set; 53import java.util.StringTokenizer; 54 55/** 56 * This class behaves as a JAXB Annotation Processor, 57 * It reads the user specified typeDeclarations 58 * and the config files 59 * It also reads config files 60 * 61 * Used in unit tests 62 * 63 * @author Bhakti Mehta (bhakti.mehta@sun.com) 64 */ 65@SupportedAnnotationTypes("javax.xml.bind.annotation.*") 66@SupportedOptions("jaxb.config") 67public final class AnnotationParser extends AbstractProcessor { 68 69 private ErrorReceiver errorListener; 70 71 @Override 72 public void init(ProcessingEnvironment processingEnv) { 73 super.init(processingEnv); 74 this.processingEnv = processingEnv; 75 errorListener = new ErrorReceiverImpl( 76 processingEnv.getMessager(), 77 processingEnv.getOptions().containsKey(Const.DEBUG_OPTION.getValue()) 78 ); 79 } 80 81 @Override 82 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { 83 if (processingEnv.getOptions().containsKey(Const.CONFIG_FILE_OPTION.getValue())) { 84 String value = processingEnv.getOptions().get(Const.CONFIG_FILE_OPTION.getValue()); 85 86 // For multiple config files we are following the format 87 // -Aconfig=foo.config:bar.config where : is the pathSeparatorChar 88 StringTokenizer st = new StringTokenizer(value, File.pathSeparator); 89 if (!st.hasMoreTokens()) { 90 errorListener.error(null, Messages.OPERAND_MISSING.format(Const.CONFIG_FILE_OPTION.getValue())); 91 return true; 92 } 93 94 while (st.hasMoreTokens()) { 95 File configFile = new File(st.nextToken()); 96 if (!configFile.exists()) { 97 errorListener.error(null, Messages.NON_EXISTENT_FILE.format()); 98 continue; 99 } 100 101 try { 102 Collection<TypeElement> rootElements = new ArrayList<TypeElement>(); 103 filterClass(rootElements, roundEnv.getRootElements()); 104 ConfigReader configReader = new ConfigReader( 105 processingEnv, 106 rootElements, 107 configFile, 108 errorListener 109 ); 110 111 Collection<Reference> classesToBeIncluded = configReader.getClassesToBeIncluded(); 112 J2SJAXBModel model = JXC.createJavaCompiler().bind( 113 classesToBeIncluded, Collections.<QName, Reference>emptyMap(), null, processingEnv); 114 115 SchemaOutputResolver schemaOutputResolver = configReader.getSchemaOutputResolver(); 116 117 model.generateSchema(schemaOutputResolver, errorListener); 118 } catch (IOException e) { 119 errorListener.error(e.getMessage(), e); 120 } catch (SAXException e) { 121 // the error should have already been reported 122 } 123 } 124 } 125 return true; 126 } 127 128 private void filterClass(Collection<TypeElement> rootElements, Collection<? extends Element> elements) { 129 for (Element element : elements) { 130 if (element.getKind().equals(ElementKind.CLASS) || element.getKind().equals(ElementKind.INTERFACE) || 131 element.getKind().equals(ElementKind.ENUM)) { 132 rootElements.add((TypeElement) element); 133 filterClass(rootElements, ElementFilter.typesIn(element.getEnclosedElements())); 134 } 135 } 136 } 137 138 @Override 139 public SourceVersion getSupportedSourceVersion() { 140 if (SourceVersion.latest().compareTo(SourceVersion.RELEASE_6) > 0) 141 return SourceVersion.valueOf("RELEASE_7"); 142 else 143 return SourceVersion.RELEASE_6; 144 } 145} 146