001/* 002 * (C) Copyright 2006-2013 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 * ldoguin 018 */ 019package org.nuxeo.ecm.automation.core.operations.blob; 020 021import org.nuxeo.ecm.automation.core.Constants; 022import org.nuxeo.ecm.automation.core.annotations.Context; 023import org.nuxeo.ecm.automation.core.annotations.Operation; 024import org.nuxeo.ecm.automation.core.annotations.OperationMethod; 025import org.nuxeo.ecm.automation.core.annotations.Param; 026import org.nuxeo.ecm.automation.core.util.BlobList; 027import org.nuxeo.ecm.core.api.Blob; 028import org.nuxeo.ecm.core.api.DocumentModel; 029import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 030import org.nuxeo.ecm.core.convert.api.ConversionService; 031import org.nuxeo.ecm.platform.convert.ConvertHelper; 032 033/** 034 * Convert the given blob to a file with given mimetype. 035 * 036 * @author ldoguin 037 */ 038@Operation(id = ConvertBlob.ID, category = Constants.CAT_CONVERSION, label = "Convert to given mime-type", description = "Convert the input file to a file of the given mime-type and return the new file.", since = "5.7") 039public class ConvertBlob { 040 041 public static final String ID = "Blob.Convert"; 042 043 protected final ConvertHelper convertHelper = new ConvertHelper(); 044 045 @Context 046 protected ConversionService service; 047 048 @Param(name = "mimeType", required = true) 049 protected String mimeType; 050 051 @OperationMethod 052 public Blob run(DocumentModel doc) { 053 BlobHolder bh = doc.getAdapter(BlobHolder.class); 054 if (bh == null) { 055 return null; 056 } 057 return run(bh.getBlob()); 058 } 059 060 @OperationMethod 061 public Blob run(Blob blob) { 062 Blob result = convertHelper.convertBlob(blob, mimeType); 063 return result; 064 } 065 066 @OperationMethod 067 public BlobList run(BlobList blobs) { 068 BlobList bl = new BlobList(); 069 for (Blob blob : blobs) { 070 bl.add(this.run(blob)); 071 } 072 return bl; 073 } 074 075}