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.document;
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.collectors.DocumentModelCollector;
027import org.nuxeo.ecm.automation.core.util.DocumentHelper;
028import org.nuxeo.ecm.core.api.CoreSession;
029import org.nuxeo.ecm.core.api.DocumentModel;
030
031/**
032 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
033 */
034@Operation(id = RemoveDocumentBlob.ID, category = Constants.CAT_BLOB, label = "Remove File", description = "Remove the file attached to the input document as specified by the 'xpath' parameter. If the 'xpath' point to a blob list then the list will be cleared. If the file to remove is part of a list it will be removed from the list otherwise the 'xpath' should point to a blob property that will be removed. If the save parameter is set the document modification will be automatically saved. Return the document.", aliases = { "Blob.Remove" })
035public class RemoveDocumentBlob {
036
037    public static final String ID = "Blob.RemoveFromDocument";
038
039    @Context
040    protected CoreSession session;
041
042    @Param(name = "xpath", required = false, values = "file:content")
043    protected String xpath = "file:content";
044
045    @Param(name = "save", required = false, values = "true")
046    protected boolean save = true;
047
048    @OperationMethod(collector = DocumentModelCollector.class)
049    public DocumentModel run(DocumentModel doc) {
050        DocumentHelper.removeProperty(doc, xpath);
051        if (save) {
052            doc = session.saveDocument(doc);
053        }
054        return doc;
055    }
056
057}