001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.uif.freemarker;
017
018import java.io.IOException;
019import java.io.Serializable;
020
021import org.kuali.rice.krad.uif.component.Component;
022import org.springframework.util.StringUtils;
023
024import freemarker.core.Environment;
025import freemarker.core.InlineTemplateAdaptor;
026import freemarker.template.TemplateException;
027
028/**
029 * Inline FreeMarker template adaptor for supporting script.ftl 
030 * 
031 * @author Kuali Rice Team (rice.collab@kuali.org)
032 */
033public class FreeMarkerScriptAdaptor implements InlineTemplateAdaptor, Serializable {
034
035    private static final long serialVersionUID = 1675270336764602352L;
036
037    /**
038     * Render a script template inline.
039     * 
040     * {@inheritDoc}
041     */
042    @Override
043    public void accept(Environment env) throws TemplateException, IOException {
044        String script = FreeMarkerInlineRenderUtils.resolve(env, "value", String.class);
045
046        if (!StringUtils.hasText(script)) {
047            return;
048        }
049
050        Component component = FreeMarkerInlineRenderUtils.resolve(env, "component", Component.class);
051        String role = FreeMarkerInlineRenderUtils.resolve(env, "role", String.class);
052        FreeMarkerInlineRenderUtils.renderScript(script, component, role, env.getOut());
053    }
054
055}