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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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.tuscany.sdo.helper;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import org.eclipse.emf.ecore.util.ExtendedMetaData;
import commonj.sdo.DataObject;
import commonj.sdo.helper.TypeHelper;
import commonj.sdo.helper.XMLDocument;
import commonj.sdo.helper.XMLHelper;
/**
* A helper to convert XML documents into DataObects and
* DataObjects into XML documnets.
*/
public class XMLHelperImpl implements XMLHelper
{
ExtendedMetaData extendedMetaData;
public XMLHelperImpl(ExtendedMetaData extendedMetaData)
{
this.extendedMetaData = extendedMetaData;
}
public XMLHelperImpl(TypeHelper typeHelper)
{
this.extendedMetaData = ((TypeHelperImpl)typeHelper).extendedMetaData;
}
public XMLDocument load(String inputString)
{
try
{
return load(new StringReader(inputString), null, null);
}
catch (IOException e)
{
throw new RuntimeException(e); // should never happen
}
}
public XMLDocument load(InputStream inputStream) throws IOException
{
return load(inputStream, null, null);
}
public XMLDocument load(InputStream inputStream, String locationURI, Object options) throws IOException
{
XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options);
document.load(inputStream, locationURI, options);
return document;
}
public XMLDocument load(Reader inputReader, String locationURI, Object options) throws IOException
{
XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options);
document.load(inputReader, locationURI, options);
return document;
}
public String save(DataObject dataObject, String rootElementURI, String rootElementName)
{
StringWriter stringWriter = new StringWriter();
try
{
save(createDocument(dataObject, rootElementURI, rootElementName), stringWriter, null);
return stringWriter.toString();
}
catch (IOException e)
{
throw new RuntimeException(e); // should never happen
}
}
public void save(DataObject dataObject, String rootElementURI, String rootElementName, OutputStream outputStream) throws IOException
{
save(createDocument(dataObject, rootElementURI, rootElementName), outputStream, null);
}
public void save(XMLDocument xmlDocument, OutputStream outputStream, Object options) throws IOException
{
((XMLDocumentImpl)xmlDocument).save(outputStream, options);
}
public void save(XMLDocument xmlDocument, Writer outputWriter, Object options) throws IOException
{
((XMLDocumentImpl)xmlDocument).save(outputWriter, options);
}
public XMLDocument createDocument(DataObject dataObject, String rootElementURI, String rootElementName)
{
return new XMLDocumentImpl(extendedMetaData, dataObject, rootElementURI, rootElementName);
}
}
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