| /* |
| * 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 |
| * under the License. |
| */ |
| |
| package freemarker.ext.jsp; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.PageContext; |
| import javax.servlet.jsp.tagext.BodyContent; |
| import javax.servlet.jsp.tagext.BodyTag; |
| import javax.servlet.jsp.tagext.Tag; |
| |
| import freemarker.template.Configuration; |
| import freemarker.template.SimpleHash; |
| import freemarker.template.Template; |
| |
| /** |
| * Simple implementation of JSP tag to allow use of FreeMarker templates in |
| * JSP. Inspired by similar class in Velocity template engine developed by |
| * <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a> |
| * |
| * @deprecated This feature is not supported anymore, also, it uses the deprecated default {@link Configuration}. |
| */ |
| @Deprecated |
| public class FreemarkerTag implements BodyTag { |
| private Tag parent; |
| private BodyContent bodyContent; |
| private PageContext pageContext; |
| private SimpleHash root; |
| private Template template; |
| private boolean caching = true; |
| private String name = ""; |
| |
| public boolean getCaching() { |
| return caching; |
| } |
| |
| public void setCaching(boolean caching) { |
| this.caching = caching; |
| } |
| |
| public void setName(String name) { |
| this.name = name == null ? "" : name; |
| } |
| |
| @Override |
| public Tag getParent() { |
| return parent; |
| } |
| |
| @Override |
| public void setParent(Tag parent) { |
| this.parent = parent; |
| } |
| |
| @Override |
| public int doStartTag() { |
| return EVAL_BODY_BUFFERED; |
| } |
| |
| @Override |
| public void setBodyContent(BodyContent bodyContent) { |
| this.bodyContent = bodyContent; |
| } |
| |
| @Override |
| public void setPageContext(PageContext pageContext) { |
| this.pageContext = pageContext; |
| root = null; |
| } |
| |
| @Override |
| public void doInitBody() { |
| } |
| |
| @Override |
| public int doAfterBody() { |
| return SKIP_BODY; |
| } |
| |
| @Override |
| public void release() { |
| root = null; |
| template = null; |
| name = ""; |
| } |
| |
| @Override |
| public int doEndTag() |
| throws JspException { |
| if (bodyContent == null) |
| return EVAL_PAGE; |
| |
| try { |
| if (template == null) { |
| template = new Template(name, bodyContent.getReader()); |
| } |
| |
| if (root == null) { |
| root = new SimpleHash(); |
| root.put("page", new JspContextModel(pageContext, JspContextModel.PAGE_SCOPE)); |
| root.put("request", new JspContextModel(pageContext, JspContextModel.REQUEST_SCOPE)); |
| root.put("session", new JspContextModel(pageContext, JspContextModel.SESSION_SCOPE)); |
| root.put("application", new JspContextModel(pageContext, JspContextModel.APPLICATION_SCOPE)); |
| root.put("any", new JspContextModel(pageContext, JspContextModel.ANY_SCOPE)); |
| } |
| template.process(root, pageContext.getOut()); |
| } catch (Exception e) { |
| try { |
| pageContext.handlePageException(e); |
| } catch (ServletException | IOException e2) { |
| throw new JspException(e2.getMessage()); |
| } |
| } finally { |
| if (!caching) { |
| template = null; |
| } |
| } |
| |
| return EVAL_PAGE; |
| } |
| } |