/*
* Copyright 2004-2009 the original author or authors.
*
* 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.compass.core.converter.dynamic;
import java.util.HashMap;
import org.compass.core.converter.ConversionException;
import org.compass.core.mapping.ResourcePropertyMapping;
import org.mvel2.templates.CompiledTemplate;
import org.mvel2.templates.TemplateCompiler;
import org.mvel2.templates.TemplateRuntime;
/**
* @author kimchy
*/
public class MVELDynamicConverter extends AbstractDynamicConverter {
private CompiledTemplate compiledTemplate;
public void setExpression(String expression) throws ConversionException {
this.compiledTemplate = TemplateCompiler.compileTemplate(expression);
}
protected Object evaluate(Object o, ResourcePropertyMapping resourcePropertyMapping) throws ConversionException {
HashMap<String, Object> map = new HashMap<String, Object>();
map.put(DATA_CONTEXT_KEY, o);
return TemplateRuntime.execute(compiledTemplate, map);
}
}