/*
* 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.core.util.debug;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import org.mvel2.compiler.AbstractParser;
import org.mvel2.integration.impl.MapVariableResolverFactory;
import org.mvel2.optimizers.OptimizerFactory;
import org.mvel2.templates.SimpleTemplateRegistry;
import org.mvel2.templates.TemplateCompiler;
import org.mvel2.templates.TemplateRegistry;
import org.mvel2.templates.TemplateRuntime;
import org.mvel2.templates.res.Node;
public class SessionReporter {
protected static final TemplateRegistry REPORT_REGISTRY = new SimpleTemplateRegistry();
static {
OptimizerFactory.setDefaultOptimizer( "reflective" );
REPORT_REGISTRY.addNamedTemplate( "simple",
TemplateCompiler.compileTemplate( SessionReporter.class.getResourceAsStream( "reports.mvel" ),
(Map<String, Class<? extends Node>>) null ) );
/**
* Process these templates
*/
TemplateRuntime.execute( REPORT_REGISTRY.getNamedTemplate( "simple" ),
null,
REPORT_REGISTRY );
}
public static String generateReport(final String ruleTemplate,
final StatefulKnowledgeSessionInfo session,
final Map<String, Object> vars) {
AbstractParser.setLanguageLevel( 5 );
Map<String, Object> context = new HashMap<String, Object>();
if ( vars != null ) {
context.putAll( vars );
}
context.put( "session",
session );
return (String) TemplateRuntime.execute( REPORT_REGISTRY.getNamedTemplate( ruleTemplate ),
null,
new MapVariableResolverFactory( context ),
REPORT_REGISTRY );
}
public static void addNamedTemplate(String name,
InputStream template) {
REPORT_REGISTRY.addNamedTemplate( name,
TemplateCompiler.compileTemplate( template,
(Map<String, Class<? extends Node>>) null ) );
/*
* Process these templates
*/
TemplateRuntime.execute( REPORT_REGISTRY.getNamedTemplate( name ),
null,
REPORT_REGISTRY );
}
}