/*
* Copyright 2010 JBoss 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.drools.runtime.pipeline.impl;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.transform.stream.StreamSource;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.JaxbConfiguration;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.builder.help.KnowledgeBuilderHelper;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.pipeline.Action;
import org.drools.runtime.pipeline.KnowledgeRuntimeCommand;
import org.drools.runtime.pipeline.Pipeline;
import org.drools.runtime.pipeline.PipelineFactory;
import org.drools.runtime.pipeline.ResultHandler;
import org.drools.runtime.pipeline.Transformer;
import org.drools.runtime.rule.FactHandle;
import org.drools.core.util.StringUtils;
import com.sun.tools.xjc.Language;
import com.sun.tools.xjc.Options;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
public class JaxbGlobalTest {
@Test
public void testGlobal() throws Exception {
Options xjcOpts = new Options();
xjcOpts.setSchemaLanguage( Language.XMLSCHEMA );
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
JaxbConfiguration jaxbConf = KnowledgeBuilderFactory.newJaxbConfiguration( xjcOpts, "xsd" );
kbuilder.add( ResourceFactory.newClassPathResource( "order.xsd",
getClass() ), ResourceType.XSD,
jaxbConf );
assertFalse( kbuilder.hasErrors() );
kbuilder.add( ResourceFactory.newClassPathResource( "test_Jaxb.drl",
getClass() ),
ResourceType.DRL );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
assertFalse( kbuilder.hasErrors() );
assertFalse( kbuilder.hasErrors() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeCommand setGlobalStage = PipelineFactory.newStatefulKnowledgeSessionSetGlobal( "order" );
JAXBContext jaxbCtx = KnowledgeBuilderHelper.newJAXBContext( jaxbConf.getClasses().toArray( new String[jaxbConf.getClasses().size()] ),
kbase );
Unmarshaller unmarshaller = jaxbCtx.createUnmarshaller();
Transformer transformer = PipelineFactory.newJaxbFromXmlTransformer( unmarshaller );
transformer.setReceiver(setGlobalStage );
Pipeline pipeline = PipelineFactory.newStatefulKnowledgeSessionPipeline( ksession );
pipeline.setReceiver( transformer );
String xml = StringUtils.readFileAsString( new InputStreamReader( getClass().getResourceAsStream( "order.xml" ) ) );
ResultHandlerImpl resultHandler = new ResultHandlerImpl();
pipeline.insert( xml,
resultHandler );
// now round trip that global
Action executeResult = PipelineFactory.newExecuteResultHandler();
Action assignAsResult = PipelineFactory.newAssignObjectAsResult();
assignAsResult.setReceiver( executeResult );
//transformer = PipelineFactory.newXStreamToXmlTransformer( xstream );
Marshaller marshaller = jaxbCtx.createMarshaller();
transformer = PipelineFactory.newJaxbToXmlTransformer( marshaller );
transformer.setReceiver( assignAsResult );
KnowledgeRuntimeCommand getGlobalStage = PipelineFactory.newStatefulKnowledgeSessionGetGlobal( );
getGlobalStage.setReceiver( transformer );
pipeline = PipelineFactory.newStatefulKnowledgeSessionPipeline( ksession );
pipeline.setReceiver( getGlobalStage );
resultHandler = new ResultHandlerImpl();
pipeline.insert( "order", resultHandler );
assertEqualsIgnoreWhitespace( xml, (String) resultHandler.getObject() );
}
private static void assertEqualsIgnoreWhitespace(final String expected,
final String actual) {
final String cleanExpected = expected.replaceAll( "\\s+",
"" );
final String cleanActual = actual.replaceAll( "\\s+",
"" );
assertEquals( cleanExpected,
cleanActual );
}
public static class ResultHandlerImpl
implements
ResultHandler {
Object object;
public void handleResult(Object object) {
this.object = object;
}
public Object getObject() {
return this.object;
}
}
}