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 * bstefanescu 018 */ 019package org.nuxeo.ecm.automation.core.collectors; 020 021import org.nuxeo.ecm.automation.OperationContext; 022import org.nuxeo.ecm.automation.OperationException; 023import org.nuxeo.ecm.automation.OutputCollector; 024import org.nuxeo.ecm.automation.core.util.BlobList; 025import org.nuxeo.ecm.core.api.Blob; 026 027/** 028 * This implementation collect {@link Blob} objects and return them as a {@link BlobList} object. 029 * <p> 030 * You may use this to automatically iterate over iterable inputs in operation methods that <b>return</b> a {@link Blob} 031 * object. 032 * 033 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 034 */ 035public class BlobListCollector extends BlobList implements OutputCollector<BlobList, BlobList> { 036 037 private static final long serialVersionUID = 5167860889224514027L; 038 039 @Override 040 public void collect(OperationContext ctx, BlobList obj) throws OperationException { 041 if (obj != null) { 042 addAll(obj); 043 } 044 } 045 046 @Override 047 public BlobList getOutput() { 048 return this; 049 } 050}