001/* 002 * (C) Copyright 2006-2011 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 * Nuxeo - initial API and implementation 018 * 019 * $Id: DocumentsListReader.java 29029 2008-01-14 18:38:14Z ldoguin $ 020 */ 021 022package org.nuxeo.ecm.core.io.impl.plugins; 023 024import java.io.IOException; 025import java.util.ArrayList; 026import java.util.Collection; 027import java.util.Iterator; 028import java.util.List; 029 030import org.nuxeo.ecm.core.api.CoreSession; 031import org.nuxeo.ecm.core.api.DocumentModel; 032import org.nuxeo.ecm.core.api.DocumentRef; 033import org.nuxeo.ecm.core.io.ExportedDocument; 034import org.nuxeo.ecm.core.io.impl.ExportedDocumentImpl; 035 036/** 037 * Reader for a simple list of DocumentModel objects. 038 * 039 * @author <a href="mailto:dm@nuxeo.com">DM</a> 040 */ 041public class DocumentsListReader extends DocumentModelReader { 042 043 private Iterator<DocumentModel> iterator; 044 045 public DocumentsListReader(CoreSession session, List<DocumentModel> docsList) { 046 super(session); 047 048 iterator = docsList.iterator(); 049 } 050 051 public static DocumentsListReader createDocumentsListReader(CoreSession session, Collection<DocumentRef> docRefsList) { 052 053 List<DocumentModel> list = new ArrayList<DocumentModel>(); 054 055 for (DocumentRef docRef : docRefsList) { 056 DocumentModel doc = session.getDocument(docRef); 057 list.add(doc); 058 } 059 060 return new DocumentsListReader(session, list); 061 } 062 063 @Override 064 public void close() { 065 super.close(); 066 iterator = null; 067 } 068 069 @Override 070 public ExportedDocument read() throws IOException { 071 if (iterator.hasNext()) { 072 DocumentModel docModel = iterator.next(); 073 return new ExportedDocumentImpl(docModel, inlineBlobs); 074 } 075 return null; 076 } 077 078}