/*
* 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.openmeetings.app.documents;
import java.io.FileInputStream;
import java.util.Iterator;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.openmeetings.app.OpenmeetingsVariables;
import org.openmeetings.app.data.file.dto.LibraryPresenationThumbs;
import org.openmeetings.app.data.file.dto.LibraryPresentation;
import org.openmeetings.app.data.file.dto.LibraryPresentationFile;
import org.openmeetings.app.data.file.dto.LibraryPresentationThumb;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
public class LoadLibraryPresentation {
private static final Logger log = Red5LoggerFactory.getLogger(LoadLibraryPresentation.class, OpenmeetingsVariables.webAppRootKey);
private static LoadLibraryPresentation instance;
private LoadLibraryPresentation() {}
public static synchronized LoadLibraryPresentation getInstance() {
if (instance == null) {
instance = new LoadLibraryPresentation();
}
return instance;
}
public LibraryPresentation parseLibraryFileToObject(String filePath){
try {
LibraryPresentation lPresentation = new LibraryPresentation();
SAXReader reader = new SAXReader();
Document document = reader.read( new FileInputStream(filePath) );
Element root = document.getRootElement();
for ( @SuppressWarnings("unchecked")
Iterator<Element> i = root.elementIterator(); i.hasNext(); ) {
Element item = i.next();
log.debug(item.getName());
String nodeVal = item.getName();
//LinkedHashMap<String,Object> subMap = new LinkedHashMap<String,Object>();
//subMap.put("name", nodeVal);
if (nodeVal.equals("originalDocument")){
lPresentation.setOriginalDocument(this.createListObjectLibraryByFileDocument(item));
} else if (nodeVal.equals("pdfDocument")){
lPresentation.setPdfDocument(this.createListObjectLibraryByFileDocument(item));
} else if (nodeVal.equals("swfDocument")){
lPresentation.setSwfDocument(this.createListObjectLibraryByFileDocument(item));
} else if (nodeVal.equals("thumbs")) {
lPresentation.setThumbs(this.createListObjectLibraryByFileDocumentThumbs(item));
} else {
throw new Exception("Unkown Library type: "+nodeVal);
}
}
log.debug("Returning presentation file object");
return lPresentation;
} catch (Exception err) {
log.error("parseLibraryFileToObject",err);
return null;
}
}
public LibraryPresentationFile createListObjectLibraryByFileDocument(Element fileElement){
try {
log.info("createListObjectLibraryByFileDocument"+fileElement);
LibraryPresentationFile libraryPresentationFile = new LibraryPresentationFile();
libraryPresentationFile.setName(fileElement.getName());
libraryPresentationFile.setFilename(fileElement.getText());
libraryPresentationFile.setLastmod(fileElement.attribute("lastmod").getText());
libraryPresentationFile.setSize(Long.valueOf(fileElement.attribute("size").getText()).longValue());
return libraryPresentationFile;
} catch (Exception err) {
log.error("createListObjectLibraryByFileDocument",err);
}
return null;
}
public LibraryPresenationThumbs createListObjectLibraryByFileDocumentThumbs(Element fileElement){
try {
LibraryPresenationThumbs thumbMap = new LibraryPresenationThumbs();
thumbMap.setName(fileElement.getName());
Integer k = 0;
for ( @SuppressWarnings("unchecked")
Iterator<Element> i = fileElement.elementIterator(); i.hasNext(); i.next()) {
k++;
}
thumbMap.setThumbs(new LibraryPresentationThumb[k]);
k = 0;
for ( @SuppressWarnings("unchecked")
Iterator<Element> i = fileElement.elementIterator(); i.hasNext(); ) {
Element thumbElement = i.next();
//log.info("createListObjectLibraryByFileDocumentThumbs"+thumbElement);
LibraryPresentationThumb singleThumb = new LibraryPresentationThumb();
singleThumb.setName(thumbElement.getName());
singleThumb.setFilename(thumbElement.getText());
singleThumb.setLastmod(thumbElement.attribute("lastmod").getText());
singleThumb.setSize(Long.valueOf(thumbElement.attribute("size").getText()).longValue());
thumbMap.getThumbs()[k] = singleThumb;
k++;
}
return thumbMap;
} catch (Exception err) {
log.error("createListObjectLibraryByFileDocumentThumbs",err);
}
return null;
}
}