GetDocumentBlobs.java example

Explorer
org.eclipse.ecr-master
/*
 * 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.blob;

import java.util.List;

import org.eclipse.ecr.automation.core.Constants;
import org.eclipse.ecr.automation.core.annotations.Operation;
import org.eclipse.ecr.automation.core.annotations.OperationMethod;
import org.eclipse.ecr.automation.core.annotations.Param;
import org.eclipse.ecr.automation.core.collectors.BlobListCollector;
import org.eclipse.ecr.automation.core.util.BlobList;
import org.eclipse.ecr.core.api.Blob;
import org.eclipse.ecr.core.api.DocumentModel;
import org.eclipse.ecr.core.api.blobholder.BlobHolder;
import org.eclipse.ecr.core.api.model.Property;
import org.eclipse.ecr.core.api.model.impl.ListProperty;

/**
 * Get document blobs inside the files:files property
 *
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 * @author tiry
 */
@Operation(id = GetDocumentBlobs.ID, category = Constants.CAT_BLOB, label = "Get Document Files", description = "Gets a list of files that are attached on the input document. The files location should be specified using the blob list property xpath. Returns a list of files.")
public class GetDocumentBlobs {

    public static final String ID = "Blob.GetList";

    @Param(name = "xpath", required = false, values = "files:files")
    protected String xpath = "files:files";

    @OperationMethod(collector=BlobListCollector.class)
    public BlobList run(DocumentModel doc) throws Exception {
        BlobList blobs = new BlobList();
        ListProperty list = (ListProperty) doc.getProperty(xpath);
        if (list == null) {
            BlobHolder bh = doc.getAdapter(BlobHolder.class);
            if (bh!=null) {
                List<Blob> docBlobs = bh.getBlobs();
                if (docBlobs!=null) {
                    for (Blob blob : docBlobs) {
                        blobs.add(blob);
                    }
                }
            }
            return blobs;
        }
        for (Property p : list) {
            blobs.add((Blob) p.getValue("file"));
        }
        return blobs;
    }


}