| /******************************************************************************* |
| * 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.apache.ofbiz.webapp.ftl; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Map; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| import org.apache.ofbiz.base.util.Debug; |
| import org.apache.ofbiz.base.util.UtilCodec; |
| import org.apache.ofbiz.base.util.UtilValidate; |
| import org.apache.ofbiz.webapp.taglib.ContentUrlTag; |
| |
| import freemarker.core.Environment; |
| import freemarker.ext.beans.BeanModel; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.TemplateScalarModel; |
| import freemarker.template.TemplateTransformModel; |
| |
| /** |
| * OfbizContentTransform - Freemarker Transform for content links |
| */ |
| public class OfbizContentTransform implements TemplateTransformModel { |
| |
| public final static String module = OfbizContentTransform.class.getName(); |
| |
| private static String getArg(Map args, String key) { |
| String result = ""; |
| Object obj = args.get(key); |
| if (obj != null) { |
| if (Debug.verboseOn()) Debug.logVerbose("Arg Object : " + obj.getClass().getName(), module); |
| if (obj instanceof TemplateScalarModel) { |
| TemplateScalarModel s = (TemplateScalarModel) obj; |
| try { |
| result = s.getAsString(); |
| } catch (TemplateModelException e) { |
| Debug.logError(e, "Template Exception", module); |
| } |
| } else { |
| result = obj.toString(); |
| } |
| } |
| return result; |
| } |
| |
| public Writer getWriter(final Writer out, Map args) { |
| final StringBuilder buf = new StringBuilder(); |
| final String imgSize = OfbizContentTransform.getArg(args, "variant"); |
| return new Writer(out) { |
| @Override |
| public void write(char cbuf[], int off, int len) { |
| 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"); |
| HttpServletRequest request = req == null ? null : (HttpServletRequest) req.getWrappedObject(); |
| |
| String requestUrl = buf.toString(); |
| |
| // If the URL starts with http(s) then there is nothing for us to do here |
| if (requestUrl.startsWith("http")) { |
| out.write(requestUrl); |
| return; |
| } |
| |
| requestUrl = UtilCodec.getDecoder("url").decode(requestUrl); |
| |
| // make the link |
| StringBuilder newURL = new StringBuilder(); |
| ContentUrlTag.appendContentPrefix(request, newURL); |
| if ((newURL.length() > 0 && newURL.charAt(newURL.length() - 1) != '/') |
| && (requestUrl.length()> 0 && requestUrl.charAt(0) != '/')) { |
| newURL.append('/'); |
| } |
| |
| if(UtilValidate.isNotEmpty(imgSize)){ |
| if(!"/images/defaultImage.jpg".equals(requestUrl)){ |
| int index = requestUrl.lastIndexOf("."); |
| if (index > 0) { |
| String suffix = requestUrl.substring(index); |
| String imgName = requestUrl.substring(0, index); |
| requestUrl = imgName + "-" + imgSize + suffix; |
| } |
| } |
| } |
| |
| newURL.append(requestUrl); |
| out.write(newURL.toString()); |
| } catch (TemplateModelException e) { |
| throw new IOException(e.getMessage()); |
| } |
| } |
| }; |
| } |
| } |