/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/common/trunk/import-impl/src/java/org/sakaiproject/importer/impl/BasicImportService.java $
* $Id: BasicImportService.java 106351 2012-03-28 20:21:21Z matthew@longsight.com $
***********************************************************************************
*
* Copyright (c) 2006, 2008 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.importer.impl;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.sakaiproject.importer.api.HandlesImportable;
import org.sakaiproject.importer.api.ImportDataSource;
import org.sakaiproject.importer.api.ImportFileParser;
import org.sakaiproject.importer.api.ImportService;
import org.sakaiproject.importer.api.Importable;
import org.sakaiproject.component.api.ServerConfigurationService;
import java.io.InputStream;
public class BasicImportService implements ImportService {
private List parsers;
private List resourceHandlers;
private ServerConfigurationService configService =
org.sakaiproject.component.cover.ServerConfigurationService.getInstance();
public void doImportItems(Collection importables, String siteId) {
HandlesImportable handler = null;
for(Iterator i = importables.iterator();i.hasNext();) {
Importable thing = (Importable)i.next();
for(Iterator j = resourceHandlers.iterator();j.hasNext();) {
handler = (HandlesImportable)j.next();
if (handler.canHandleType(thing.getTypeName())) {
handler.handle(thing, siteId);
}
}
}
}
public boolean isValidArchive(InputStream archiveFileData) {
boolean isValid = false;
for(Iterator i = this.parsers.iterator();i.hasNext();) {
if(((ImportFileParser)i.next()).isValidArchive(archiveFileData)){
isValid = true;
break;
}
}
return isValid;
}
public ImportDataSource parseFromFile(InputStream archiveFileData) {
for(Iterator i = this.parsers.iterator();i.hasNext();){
ImportFileParser parser = (ImportFileParser)i.next();
if(parser.isValidArchive(archiveFileData)){
return parser.newParser().parse(archiveFileData, configService.getSakaiHomePath() + "archive");
}
}
// invalid or unsupported archive file
// TODO this should probably throw an exception
return null;
}
public void registerParser(ImportFileParser parser) {
this.parsers.add(parser);
}
public void setParsers(List parsers) {
this.parsers = parsers;
}
public void registerResourceHandler(HandlesImportable handler) {
this.resourceHandlers.add(handler);
}
public void setResourceHandlers(List resourceHandlers) {
this.resourceHandlers = resourceHandlers;
}
}