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.operations; 020 021import org.nuxeo.ecm.automation.OperationContext; 022import org.nuxeo.ecm.automation.OperationException; 023import org.nuxeo.ecm.automation.core.Constants; 024import org.nuxeo.ecm.automation.core.annotations.Context; 025import org.nuxeo.ecm.automation.core.annotations.Operation; 026import org.nuxeo.ecm.automation.core.annotations.OperationMethod; 027import org.nuxeo.ecm.automation.core.annotations.Param; 028import org.nuxeo.ecm.core.api.Blob; 029 030/** 031 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 032 */ 033@Operation(id = RestoreBlobInput.ID, category = Constants.CAT_EXECUTION, label = "Restore File Input", description = "Restore the file input from a context variable given its name. Return the file.") 034public class RestoreBlobInput { 035 036 public static final String ID = "Context.RestoreBlobInput"; 037 038 @Context 039 protected OperationContext ctx; 040 041 @Param(name = "name") 042 protected String name; 043 044 @OperationMethod 045 public Blob run() throws OperationException { 046 Object obj = ctx.get(name); 047 if (obj instanceof Blob) { 048 return (Blob) obj; 049 } 050 throw new OperationException( 051 "Illegal state error for restore file operation. The context map doesn't contains a file variable with name " 052 + name); 053 } 054 055}