001/*
002 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     bstefanescu
016 */
017package org.nuxeo.shell.automation.cmds;
018
019import org.nuxeo.ecm.automation.client.model.DocRef;
020import org.nuxeo.shell.Argument;
021import org.nuxeo.shell.Command;
022import org.nuxeo.shell.Context;
023import org.nuxeo.shell.Parameter;
024import org.nuxeo.shell.ShellException;
025import org.nuxeo.shell.automation.DocRefCompletor;
026import org.nuxeo.shell.automation.RemoteContext;
027
028/**
029 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
030 */
031@Command(name = "mkrel", help = "Create a relation between two documents")
032public class MkRelation implements Runnable {
033
034    @Context
035    protected RemoteContext ctx;
036
037    @Parameter(name = "-predicate", hasValue = true, help = "The relation predicate - requested.")
038    protected String predicate;
039
040    @Argument(name = "subject", index = 0, completor = DocRefCompletor.class, required = true, help = "The subject of the relation")
041    protected String subject;
042
043    @Argument(name = "object", index = 1, required = true, completor = DocRefCompletor.class, help = "The object of the relation")
044    protected String object;
045
046    public void run() {
047        if (predicate == null) {
048            throw new ShellException("Relation predicate is required!");
049        }
050        DocRef s = ctx.resolveRef(subject);
051        DocRef o = ctx.resolveRef(object);
052        try {
053            ctx.getDocumentService().createRelation(s, predicate, o);
054        } catch (Exception e) {
055            throw new ShellException(e);
056        }
057    }
058}