/**
* 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.verifier.builder;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderConfiguration;
import org.drools.builder.KnowledgeBuilderError;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.io.Resource;
import org.drools.verifier.VerifierConfiguration;
import org.drools.verifier.VerifierError;
/**
*
* @author rikkola
*/
public class VerifierKnowledgeBaseBuilder {
private List<VerifierError> errors = new ArrayList<VerifierError>();
public KnowledgeBase newVerifierKnowledgeBase(VerifierConfiguration configuration) {
KnowledgeBase verifierKnowledgeBase = KnowledgeBaseFactory.newKnowledgeBase();
KnowledgeBuilderConfiguration kbuilderConfiguration = KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration();
kbuilderConfiguration.setProperty( "drools.dialect.java.compiler",
"JANINO" );
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder( kbuilderConfiguration );
if ( configuration.getVerifyingResources() != null ) {
for ( Resource resource : configuration.getVerifyingResources().keySet() ) {
kbuilder.add( resource,
configuration.getVerifyingResources().get( resource ) );
}
}
if ( kbuilder.hasErrors() ) {
Iterator<KnowledgeBuilderError> errors = kbuilder.getErrors().iterator();
while ( errors.hasNext() ) {
this.errors.add( new VerifierError( "Error compiling verifier rules: " + errors.next().getMessage() ) );
}
}
verifierKnowledgeBase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
return verifierKnowledgeBase;
}
public List<VerifierError> getErrors() {
return errors;
}
public boolean hasErrors() {
return !errors.isEmpty();
}
}