| /******************************************************************************* |
| * 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 org.ofbiz.product.category; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Map; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| import freemarker.core.Environment; |
| import freemarker.ext.beans.BeanModel; |
| import freemarker.ext.beans.StringModel; |
| import freemarker.template.SimpleScalar; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.TemplateTransformModel; |
| |
| public class OfbizCatalogUrlTransform implements TemplateTransformModel { |
| public final static String module = OfbizCatalogUrlTransform.class.getName(); |
| |
| @SuppressWarnings("unchecked") |
| public String getStringArg(Map args, String key) { |
| Object o = args.get(key); |
| if (o instanceof SimpleScalar) { |
| return ((SimpleScalar) o).getAsString(); |
| } else if (o instanceof StringModel) { |
| return ((StringModel) o).getAsString(); |
| } |
| return null; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Writer getWriter(final Writer out, final Map args) throws TemplateModelException, IOException { |
| final StringBuilder buf = new StringBuilder(); |
| return new Writer(out) { |
| |
| @Override |
| public void write(char[] cbuf, int off, int len) throws IOException { |
| buf.append(cbuf, off, len); |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| out.flush(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| try { |
| Environment env = Environment.getCurrentEnvironment(); |
| BeanModel req = (BeanModel) env.getVariable("request"); |
| if (req != null) { |
| String productId = getStringArg(args, "productId"); |
| String currentCategoryId = getStringArg(args, "currentCategoryId"); |
| String previousCategoryId = getStringArg(args, "previousCategoryId"); |
| HttpServletRequest request = (HttpServletRequest) req.getWrappedObject(); |
| String catalogUrl = CatalogUrlServlet.makeCatalogUrl(request, productId, currentCategoryId, previousCategoryId); |
| out.write(catalogUrl); |
| } |
| } catch (TemplateModelException e) { |
| throw new IOException(e.getMessage()); |
| } |
| } |
| }; |
| } |
| } |