001/* 002 * (C) Copyright 2012-2016 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Thierry Delprat 018 */ 019package org.nuxeo.template.processors.xdocreport; 020 021import java.io.IOException; 022import java.io.InputStream; 023 024import org.apache.commons.io.IOUtils; 025import org.apache.logging.log4j.LogManager; 026import org.apache.logging.log4j.Logger; 027import org.nuxeo.ecm.core.api.Blob; 028import org.nuxeo.ecm.core.api.Blobs; 029import org.nuxeo.template.processors.AbstractBindingResolver; 030 031import fr.opensagres.xdocreport.core.document.SyntaxKind; 032import fr.opensagres.xdocreport.document.images.IImageProvider; 033import fr.opensagres.xdocreport.template.formatter.FieldsMetadata; 034import freemarker.template.TemplateModelException; 035 036/** 037 * @author <a href="mailto:tdelprat@nuxeo.com">Tiry</a> 038 */ 039public class XDocReportBindingResolver extends AbstractBindingResolver { 040 041 private static final Logger log = LogManager.getLogger(XDocReportBindingResolver.class); 042 043 protected final FieldsMetadata metadata; 044 045 public XDocReportBindingResolver(FieldsMetadata metadata) { 046 this.metadata = metadata; 047 } 048 049 @Override 050 protected String handleHtmlField(String paramName, String htmlValue) { 051 metadata.addFieldAsTextStyling(paramName, SyntaxKind.Html); 052 return super.handleHtmlField(paramName, htmlValue); 053 } 054 055 @Override 056 protected void handleBlobField(String paramName, Blob blobValue) { 057 if ("text/html".equals(blobValue.getMimeType())) { 058 metadata.addFieldAsTextStyling(paramName, SyntaxKind.Html); 059 } 060 } 061 062 @Override 063 protected Object handlePictureField(String paramName, Blob blobValue) { 064 if (blobValue == null) { 065 // manage a default picture : blank one :) 066 try (InputStream is = this.getClass().getClassLoader().getResourceAsStream("blank.png")) { 067 byte[] bin = IOUtils.toByteArray(is); 068 blobValue = Blobs.createBlob(bin, "image/png"); 069 blobValue.setFilename("blank.png"); 070 } catch (IOException e) { 071 log.error("Unable to read fake Blob", e); 072 } 073 } 074 IImageProvider imgBlob = new BlobImageProvider(blobValue); 075 metadata.addFieldAsImage(paramName); 076 return imgBlob; 077 } 078 079 @Override 080 protected Object handleLoop(String paramName, Object value) { 081 metadata.addFieldAsList(paramName); 082 try { 083 return getWrapper().wrap(value); 084 } catch (TemplateModelException e) { 085 return null; 086 } 087 } 088 089}