1 /*
2 * Copyright (c) 1997, 2011, 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
26
27
28 package com.sun.tools.internal.jxc.ap;
29
30 import com.sun.tools.internal.xjc.api.J2SJAXBModel;
31 import com.sun.tools.internal.xjc.api.Reference;
32 import com.sun.tools.internal.xjc.api.XJC;
33
34 import javax.annotation.processing.AbstractProcessor;
35 import javax.annotation.processing.Processor;
36 import javax.annotation.processing.RoundEnvironment;
37 import javax.annotation.processing.SupportedAnnotationTypes;
38 import javax.annotation.processing.SupportedSourceVersion;
39 import javax.lang.model.SourceVersion;
40 import javax.lang.model.element.Element;
41 import javax.lang.model.element.ElementKind;
42 import javax.lang.model.element.TypeElement;
43 import javax.lang.model.util.ElementFilter;
44 import javax.tools.Diagnostic;
45 import javax.tools.StandardLocation;
46 import javax.xml.bind.SchemaOutputResolver;
47 import javax.xml.namespace.QName;
48 import javax.xml.transform.Result;
49 import javax.xml.transform.stream.StreamResult;
50 import java.io.File;
51 import java.io.FileOutputStream;
52 import java.io.IOException;
53 import java.io.OutputStream;
54 import java.util.ArrayList;
55 import java.util.Collection;
56 import java.util.Collections;
57 import java.util.HashMap;
58 import java.util.List;
59 import java.util.Map;
60 import java.util.Set;
61
62 /**
63 * {@link Processor} that implements the schema generator
64 * command line tool.
65 *
66 * @author Kohsuke Kawaguchi
67 */
68 @SupportedAnnotationTypes("*")
69 @SupportedSourceVersion(SourceVersion.RELEASE_6)
70 public class SchemaGenerator extends AbstractProcessor {
71
72 /**
73 * User-specified schema locations, if any.
74 */
75 private final Map<String,File> schemaLocations = new HashMap<String, File>();
76
77 private File episodeFile;
78
79 public SchemaGenerator() {
80 }
81
82 public SchemaGenerator( Map<String,File> m ) {
83 schemaLocations.putAll(m);
84 }
85
86 public void setEpisodeFile(File episodeFile) {
87 this.episodeFile = episodeFile;
88 }
89
90 @Override
91 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
92 final ErrorReceiverImpl errorListener = new ErrorReceiverImpl(processingEnv);
93
94 List<Reference> classes = new ArrayList<Reference>();
95 // simply ignore all the interface definitions,
96 // so that users won't have to manually exclude interfaces, which is silly.
97 filterClass(classes, roundEnv.getRootElements());
98
99 J2SJAXBModel model = XJC.createJavaCompiler().bind(classes, Collections.<QName, Reference>emptyMap(), null, processingEnv);
100 if (model == null)
101 return false; // error
102
103 try {
104 model.generateSchema(
105 new SchemaOutputResolver() {
106 public Result createOutput(String namespaceUri, String suggestedFileName) throws IOException {
107 File file;
108 OutputStream out;
109 if (schemaLocations.containsKey(namespaceUri)) {
110 file = schemaLocations.get(namespaceUri);
111 if (file == null) return null; // don't generate
112 out = new FileOutputStream(file);
113 } else {
114 // use the default
115 file = new File(suggestedFileName);
116 out = processingEnv.getFiler().createResource(StandardLocation.CLASS_OUTPUT, "", suggestedFileName)
117 .openOutputStream();
118 file = file.getAbsoluteFile();
119 }
120
121 StreamResult ss = new StreamResult(out);
122 processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Writing "+file);
123 ss.setSystemId(file.toURL().toExternalForm());
124 return ss;
125 }
126 }, errorListener);
127
128 if (episodeFile != null) {
129 processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Writing "+episodeFile);
130 model.generateEpisodeFile(new StreamResult(episodeFile));
131 }
132 } catch (IOException e) {
133 errorListener.error(e.getMessage(), e);
134 }
135 return false;
136 }
137
138 private void filterClass(List<Reference> classes, Collection<? extends Element> elements) {
139 for (Element element : elements) {
140 if (element.getKind().equals(ElementKind.CLASS)) {
141 classes.add(new Reference((TypeElement) element, processingEnv));
142 filterClass(classes, ElementFilter.typesIn(element.getEnclosedElements()));
143 }
144 }
145 }
146 }