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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.sca.core.assembly.impl;
import java.io.StringReader;
import java.io.StringWriter;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.runtime.EndpointSerializer;
import org.oasisopen.sca.ServiceRuntimeException;
public class EndpointSerializerImpl implements EndpointSerializer {
private ExtensionPointRegistry registry;
private XMLInputFactory inputFactory;
private XMLOutputFactory outputFactory;
private StAXArtifactProcessor<Endpoint> processor;
private StAXArtifactProcessor<EndpointReference> refProcessor;
public EndpointSerializerImpl(ExtensionPointRegistry registry) {
this.registry = registry;
FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class);
inputFactory = factories.getFactory(XMLInputFactory.class);
outputFactory = factories.getFactory(XMLOutputFactory.class);
StAXArtifactProcessorExtensionPoint processors =
registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class);
processor = processors.getProcessor(Endpoint.class);
refProcessor = processors.getProcessor(EndpointReference.class);
}
public Endpoint readEndpoint(String xml) {
try {
XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(xml));
Endpoint result = processor.read(reader, new ProcessorContext(registry));
reader.close();
return result;
} catch (Exception e) {
throw new ServiceRuntimeException(e);
}
}
public String write(Endpoint endpoint) {
StringWriter sw = new StringWriter();
try {
XMLStreamWriter writer = outputFactory.createXMLStreamWriter(sw);
processor.write(endpoint, writer, new ProcessorContext(registry));
writer.flush();
writer.close();
return sw.toString();
} catch (Exception e) {
throw new ServiceRuntimeException(e);
}
}
public EndpointReference readEndpointReference(String xml) {
try {
XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(xml));
EndpointReference result = refProcessor.read(reader, new ProcessorContext(registry));
reader.close();
return result;
} catch (Exception e) {
throw new ServiceRuntimeException(e);
}
}
public String write(EndpointReference endpointReference) {
StringWriter sw = new StringWriter();
try {
XMLStreamWriter writer = outputFactory.createXMLStreamWriter(sw);
refProcessor.write(endpointReference, writer, new ProcessorContext(registry));
writer.flush();
writer.close();
return sw.toString();
} catch (Exception e) {
throw new ServiceRuntimeException(e);
}
}
}
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