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The Plasma Provisioning Module
/**
* Copyright 2017 TerraMeta Software, Inc.
*
* 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.plasma.text.ddl;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.UnmarshalException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.plasma.common.bind.BindingValidationEventHandler;
import org.plasma.common.bind.DataBinding;
import org.plasma.common.bind.ValidatingUnmarshaler;
import org.xml.sax.SAXException;
public class DDLModelDataBinding implements DataBinding {
private static Log log = LogFactory.getLog(DDLModelDataBinding.class);
public static String FILENAME_SCHEMA_CHAIN_ROOT = "ddl.xsd";
// just classes in the same package where can find the above respective
// schema files via Class.getResource*
public static Class RESOURCE_CLASS = DDLModelDataBinding.class;
private static ValidatingUnmarshaler validatingUnmarshaler;
public static Class[] FACTORIES = { org.plasma.text.ddl.ObjectFactory.class };
@SuppressWarnings("unused")
private DDLModelDataBinding() {
}
public DDLModelDataBinding(BindingValidationEventHandler validationEventHandler)
throws JAXBException, SAXException {
if (validatingUnmarshaler == null) {
log.info("loading schema chain...");
URL url = RESOURCE_CLASS.getResource(FILENAME_SCHEMA_CHAIN_ROOT);
if (url == null)
url = RESOURCE_CLASS.getClassLoader().getResource(FILENAME_SCHEMA_CHAIN_ROOT);
if (url == null)
throw new IllegalArgumentException("could not find shcema root '"
+ FILENAME_SCHEMA_CHAIN_ROOT + "' on the current classpath");
validatingUnmarshaler = new ValidatingUnmarshaler(url, JAXBContext.newInstance(FACTORIES),
validationEventHandler);
}
}
public Class[] getObjectFactories() {
return FACTORIES;
}
public String marshal(Object root) throws JAXBException {
return validatingUnmarshaler.marshal(root);
}
public void marshal(Object root, OutputStream stream) throws JAXBException {
validatingUnmarshaler.marshal(root, stream);
}
public void marshal(Object root, OutputStream stream, boolean formattedOutput)
throws JAXBException {
validatingUnmarshaler.marshal(root, stream, formattedOutput);
}
public Object unmarshal(String xml) throws JAXBException {
return validatingUnmarshaler.unmarshal(xml);
}
public Object unmarshal(InputStream stream) throws JAXBException {
return validatingUnmarshaler.unmarshal(stream);
}
public Object validate(String xml) throws JAXBException {
return validatingUnmarshaler.validate(xml);
}
public Object validate(InputStream xml) throws JAXBException, UnmarshalException {
return validatingUnmarshaler.validate(xml);
}
public BindingValidationEventHandler getValidationEventHandler() throws JAXBException {
return this.validatingUnmarshaler.getValidationEventHandler();
}
}