/*******************************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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*******************************************************************************/
package org.ofbiz.webapp.ftl;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import freemarker.core.Environment;
import freemarker.ext.beans.BeanModel;
import freemarker.template.SimpleScalar;
import freemarker.template.TemplateMethodModelEx;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateNumberModel;
import freemarker.template.TemplateScalarModel;
/**
* SetRequestAttributeMethod - Freemarker Method for setting request attributes
*/
public class SetRequestAttributeMethod implements TemplateMethodModelEx {
public static final String module = SetRequestAttributeMethod.class.getName();
/*
* @see freemarker.template.TemplateMethodModel#exec(java.util.List)
*/
@SuppressWarnings("unchecked")
public Object exec(List args) throws TemplateModelException {
if (args == null || args.size() != 2)
throw new TemplateModelException("Invalid number of arguements");
if (!(args.get(0) instanceof TemplateScalarModel))
throw new TemplateModelException("First argument not an instance of TemplateScalarModel");
if (!(args.get(1) instanceof BeanModel) && !(args.get(1) instanceof TemplateNumberModel) && !(args.get(1) instanceof TemplateScalarModel))
throw new TemplateModelException("Second argument not an instance of BeanModel nor TemplateNumberModel nor TemplateScalarModel");
Environment env = Environment.getCurrentEnvironment();
BeanModel req = (BeanModel)env.getVariable("request");
HttpServletRequest request = (HttpServletRequest) req.getWrappedObject();
String name = ((TemplateScalarModel) args.get(0)).getAsString();
Object value = null;
if (args.get(1) instanceof TemplateScalarModel)
value = ((TemplateScalarModel) args.get(1)).getAsString();
if (args.get(1) instanceof TemplateNumberModel)
value = ((TemplateNumberModel) args.get(1)).getAsNumber();
if (args.get(1) instanceof BeanModel)
value = ((BeanModel) args.get(1)).getWrappedObject();
request.setAttribute(name, value);
return new SimpleScalar("");
}
}