/*
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
*
* 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.switchyard.component.jca.selector;
import java.io.StringReader;
import javax.resource.cci.MappedRecord;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.switchyard.component.common.selector.BaseOperationSelector;
import org.switchyard.component.jca.composer.MappedRecordBindingData;
import org.switchyard.config.model.selector.OperationSelectorModel;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
/**
* An example of OperationSelector implementation for CCI MappedRecord.
*/
public class CCIOperationSelector extends BaseOperationSelector<MappedRecordBindingData> {
/** key name for lookup the operation from map. */
public static final String KEY = "operationSelector";
/**
* Constructor.
* @param model OperationSelectorModel
*/
public CCIOperationSelector(OperationSelectorModel model) {
super(model);
}
@Override
protected Document extractDomDocument(MappedRecordBindingData binding) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
InputSource is = new InputSource(new StringReader(extractString(binding)));
return builder.parse(is);
}
@Override
protected String extractString(MappedRecordBindingData binding) throws Exception {
MappedRecord content = binding.getRecord();
return String.class.cast(content.get(KEY));
}
}