/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and others contributors as indicated
* by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2008, JBoss Inc.
*/
package org.jboss.soa.esb.util;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import java.io.*;
import org.jboss.internal.soa.esb.assertion.AssertArgument;
/**
* FreeMarker template.
* <p/>
* Coppied from Smooks Core.
*
* @author <a href="mailto:tom.fennelly@gmail.com">tom.fennelly@gmail.com</a>
*/
public class FreeMarkerTemplate {
private String templateText;
private Template template;
public FreeMarkerTemplate(String templateText) {
AssertArgument.isNotNullAndNotEmpty(templateText, "templateText");
Reader templateReader = new StringReader(templateText);
try {
try {
template = new Template("free-marker-template", templateReader, new Configuration());
} finally {
templateReader.close();
}
} catch (IOException e) {
throw new IllegalStateException("Unexpected IOException.", e);
}
}
public FreeMarkerTemplate(String templatePath, Class basePath) {
AssertArgument.isNotNullAndNotEmpty(templatePath, "templatePath");
this.templateText = templatePath;
try {
Configuration configuration = new Configuration();
if(basePath != null) {
configuration.setClassForTemplateLoading(basePath, "");
}
template = configuration.getTemplate(templatePath);
} catch (IOException e) {
throw new IllegalStateException("Unexpected IOException.", e);
}
}
public String getTemplateText() {
return templateText;
}
public String apply(Object contextObject) throws TemplateException {
StringWriter outputWriter = new StringWriter();
try {
template.process(contextObject, outputWriter);
} catch (IOException e) {
throw new IllegalStateException("Unexpected IOException.", e);
}
return outputWriter.toString();
}
}