org.fabric3.introspection.xml.composite.WireLoader Maven / Gradle / Ivy
/*
* Fabric3
* Copyright (c) 2009-2015 Metaform Systems
*
* 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.
*
* Portions originally based on Apache Tuscany 2007
* licensed under the Apache 2.0 license.
*/
package org.fabric3.introspection.xml.composite;
import javax.xml.stream.Location;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.fabric3.api.model.type.component.Target;
import org.fabric3.api.model.type.component.Wire;
import org.fabric3.spi.introspection.IntrospectionContext;
import org.fabric3.spi.introspection.xml.AbstractValidatingTypeLoader;
import org.fabric3.spi.introspection.xml.InvalidTargetException;
import org.fabric3.spi.introspection.xml.InvalidValue;
import org.fabric3.spi.introspection.xml.LoaderHelper;
import org.fabric3.spi.introspection.xml.LoaderUtil;
import org.oasisopen.sca.annotation.EagerInit;
import org.oasisopen.sca.annotation.Reference;
/**
*
*/
@EagerInit
public class WireLoader extends AbstractValidatingTypeLoader {
private LoaderHelper helper;
public WireLoader(@Reference LoaderHelper helper) {
this.helper = helper;
addAttributes("source", "target", "requires", "replace");
}
@SuppressWarnings({"VariableNotUsedInsideIf"})
public Wire load(XMLStreamReader reader, IntrospectionContext context) throws XMLStreamException {
Location startLocation = reader.getLocation();
String referenceAttribute = reader.getAttributeValue(null, "source");
String serviceAttribute = reader.getAttributeValue(null, "target");
Target referenceTarget = null;
Target serviceTarget = null;
try {
referenceTarget = helper.parseTarget(referenceAttribute, reader);
serviceTarget = helper.parseTarget(serviceAttribute, reader);
} catch (InvalidTargetException e) {
InvalidValue failure = new InvalidValue("Invalid wire attribute", startLocation, e);
context.addError(failure);
}
Wire definition = new Wire(referenceTarget, serviceTarget);
validateAttributes(reader, context, definition);
LoaderUtil.skipToEndElement(reader);
return definition;
}
}