spring FreeMarkerTemplateUtils 源码
spring FreeMarkerTemplateUtils 代码
文件路径：/spring-context-support/src/main/java/org/springframework/ui/freemarker/FreeMarkerTemplateUtils.java
/*
* Copyright 2002-2020 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(1024);
template.process(model, result);
return result.toString();
}
}
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