/* * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * bstefanescu */ package org.eclipse.ecr.automation.core.operations.stack; import org.eclipse.ecr.automation.OperationContext; import org.eclipse.ecr.automation.OperationException; import org.eclipse.ecr.automation.core.Constants; import org.eclipse.ecr.automation.core.annotations.Context; import org.eclipse.ecr.automation.core.annotations.Operation; import org.eclipse.ecr.automation.core.annotations.OperationMethod; import org.eclipse.ecr.core.api.DocumentModel; import org.eclipse.ecr.core.api.DocumentRef; /** * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> */ @Operation(id = PullDocument.ID, category = Constants.CAT_EXECUTION_STACK, label = "Pull Document", description = "Restore the first saved input document in the context input stack. This operation must be used only if a PUSH operation was previously made. Return the first <i>pushed</i> document.") public class PullDocument { public static final String ID = "Document.Pull"; @Context protected OperationContext ctx; @OperationMethod public DocumentModel run() throws Exception { Object obj = ctx.pull(Constants.O_DOCUMENT); if (obj instanceof DocumentModel) { return (DocumentModel) obj; } else if (obj instanceof DocumentRef) { return ctx.getCoreSession().getDocument((DocumentRef) obj); } throw new OperationException( "Illegal state error for pull document operation. The context stack doesn't contains a document on its bottom"); } }