org.apache.xmlbeans.impl.jam.xml.JamXmlUtils Maven / Gradle / Ivy
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The Apache Commons Codec package contains simple encoder and decoders for
various formats such as Base64 and Hexadecimal. In addition to these
widely used encoders and decoders, the codec package also maintains a
collection of phonetic encoding utilities.
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/* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xmlbeans.impl.jam.xml;
import org.apache.xmlbeans.impl.jam.JClass;
import org.apache.xmlbeans.impl.jam.JamService;
import org.apache.xmlbeans.impl.jam.JamServiceFactory;
import org.apache.xmlbeans.impl.jam.JamServiceParams;
import org.apache.xmlbeans.impl.jam.internal.CachedClassBuilder;
import org.apache.xmlbeans.impl.jam.internal.JamServiceImpl;
import org.apache.xmlbeans.impl.jam.internal.elements.ElementContext;
import javax.xml.stream.XMLStreamException;
import java.io.IOException;
import java.io.InputStream;
import java.io.Writer;
import java.util.Arrays;
import java.util.List;
/**
* @author Patrick Calahan <email: pcal-at-bea-dot-com>
*/
public class JamXmlUtils {
// ========================================================================
// Singleton
public static final JamXmlUtils getInstance() { return INSTANCE; }
private static final JamXmlUtils INSTANCE = new JamXmlUtils();
private JamXmlUtils() {}
// ========================================================================
// Public methods
public JamService createService(InputStream in)
throws IOException, XMLStreamException
{
if (in == null) throw new IllegalArgumentException("null stream");
JamServiceFactory jsf = JamServiceFactory.getInstance();
JamServiceParams params = jsf.createServiceParams();
CachedClassBuilder cache = new CachedClassBuilder();
// finish initalizing the params and create the service
params.addClassBuilder(cache);
JamService out = jsf.createService(params);
// now go view the xml. we have to do this afterwards so that the
// classloader has been created and is available for linking.
JamXmlReader reader = new JamXmlReader(cache,in,(ElementContext)params);
reader.read();
{
// slightly gross hack to get the class names into the service
List classNames = Arrays.asList(cache.getClassNames());
classNames.addAll(Arrays.asList(out.getClassNames()));
String[] nameArray = new String[classNames.size()];
classNames.toArray(nameArray);
((JamServiceImpl)out).setClassNames(nameArray);
}
return out;
}
public void toXml(JClass[] clazzes, Writer writer)
throws IOException, XMLStreamException
{
if (clazzes == null) throw new IllegalArgumentException("null classes");
if (writer == null) throw new IllegalArgumentException("null writer");
JamXmlWriter out = new JamXmlWriter(writer);
out.begin();
for(int i=0; i