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/*
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.internal.jxc.ap;
import com.sun.tools.internal.jxc.api.JXC;
import com.sun.tools.internal.xjc.api.J2SJAXBModel;
import com.sun.tools.internal.xjc.api.Reference;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.Processor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.ElementFilter;
import javax.tools.Diagnostic;
import javax.tools.StandardLocation;
import javax.xml.bind.SchemaOutputResolver;
import javax.xml.namespace.QName;
import javax.xml.transform.Result;
import javax.xml.transform.stream.StreamResult;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* {@link Processor} that implements the schema generator
* command line tool.
*
* @author Kohsuke Kawaguchi
*/
@SupportedAnnotationTypes("*")
public class SchemaGenerator extends AbstractProcessor {
/**
* User-specified schema locations, if any.
*/
private final Map<String,File> schemaLocations = new HashMap<String, File>();
private File episodeFile;
public SchemaGenerator() {
}
public SchemaGenerator( Map<String,File> m ) {
schemaLocations.putAll(m);
}
public void setEpisodeFile(File episodeFile) {
this.episodeFile = episodeFile;
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
final ErrorReceiverImpl errorListener = new ErrorReceiverImpl(processingEnv);
List<Reference> classes = new ArrayList<Reference>();
// simply ignore all the interface definitions,
// so that users won't have to manually exclude interfaces, which is silly.
filterClass(classes, roundEnv.getRootElements());
J2SJAXBModel model = JXC.createJavaCompiler().bind(classes, Collections.<QName, Reference>emptyMap(), null, processingEnv);
if (model == null)
return false; // error
try {
model.generateSchema(
new SchemaOutputResolver() {
public Result createOutput(String namespaceUri, String suggestedFileName) throws IOException {
File file;
OutputStream out;
if (schemaLocations.containsKey(namespaceUri)) {
file = schemaLocations.get(namespaceUri);
if (file == null) return null; // don't generate
out = new FileOutputStream(file);
} else {
// use the default
file = new File(suggestedFileName);
out = processingEnv.getFiler().createResource(StandardLocation.CLASS_OUTPUT, "", suggestedFileName)
.openOutputStream();
file = file.getAbsoluteFile();
}
StreamResult ss = new StreamResult(out);
processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Writing "+file);
ss.setSystemId(file.toURL().toExternalForm());
return ss;
}
}, errorListener);
if (episodeFile != null) {
processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Writing "+episodeFile);
model.generateEpisodeFile(new StreamResult(episodeFile));
}
} catch (IOException e) {
errorListener.error(e.getMessage(), e);
}
return false;
}
private void filterClass(List<Reference> classes, Collection<? extends Element> elements) {
for (Element element : elements) {
if (element.getKind().equals(ElementKind.CLASS) || element.getKind().equals(ElementKind.ENUM)) {
classes.add(new Reference((TypeElement) element, processingEnv));
filterClass(classes, ElementFilter.typesIn(element.getEnclosedElements()));
}
}
}
@Override
public SourceVersion getSupportedSourceVersion() {
if (SourceVersion.latest().compareTo(SourceVersion.RELEASE_6) > 0)
return SourceVersion.valueOf("RELEASE_7");
else
return SourceVersion.RELEASE_6;
}
}
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