Java tutorial
/* * Copyright 2002-2014 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 * * https://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.springframework.ui.freemarker; import java.io.IOException; import java.io.StringWriter; import freemarker.template.Template; import freemarker.template.TemplateException; /** * Utility class for working with FreeMarker. * Provides convenience methods to process a FreeMarker template with a model. * * @author Juergen Hoeller * @since 14.03.2004 */ public abstract class FreeMarkerTemplateUtils { /** * Process the specified FreeMarker template with the given model and write * the result to the given Writer. * <p>When using this method to prepare a text for a mail to be sent with Spring's * mail support, consider wrapping IO/TemplateException in MailPreparationException. * @param model the model object, typically a Map that contains model names * as keys and model objects as values * @return the result as String * @throws IOException if the template wasn't found or couldn't be read * @throws freemarker.template.TemplateException if rendering failed * @see org.springframework.mail.MailPreparationException */ public static String processTemplateIntoString(Template template, Object model) throws IOException, TemplateException { StringWriter result = new StringWriter(); template.process(model, result); return result.toString(); } }