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.stack; 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.util.BlobList; 028 029/** 030 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 031 */ 032@Operation(id = PullBlobList.ID, category = Constants.CAT_EXECUTION_STACK, label = "Pull File List", description = "Restore the first saved input file list in the context input stack", aliases = { "Blob.PullList" }) 033public class PullBlobList { 034 035 public static final String ID = "Context.PullBlobList"; 036 037 @Context 038 protected OperationContext ctx; 039 040 @OperationMethod 041 public BlobList run() throws OperationException { 042 Object obj = ctx.pull(Constants.O_BLOBS); 043 if (obj instanceof BlobList) { 044 return (BlobList) obj; 045 } 046 throw new OperationException( 047 "Illegal state error for pull file list operation. The context stack doesn't contains a file list on its bottom"); 048 } 049 050}