PictureBlobHolder.java

/*
 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Contributors:
 *     Nuxeo - initial API and implementation
 *
 * $Id$
 */

package org.nuxeo.ecm.platform.picture.api.adapters;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.nuxeo.ecm.core.api.Blob;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.api.blobholder.DocumentBlobHolder;
import org.nuxeo.ecm.core.api.model.Property;

public class PictureBlobHolder extends DocumentBlobHolder {

    public PictureBlobHolder(DocumentModel doc, String path) {
        super(doc, path);
    }

    @Override
    public List<Blob> getBlobs() {
        List<Blob> blobList = new ArrayList<>();

        Blob mainBlob = getBlob();
        if (mainBlob != null) {
            blobList.add(getBlob());
        }

        Collection<Property> views = doc.getProperty("picture:views").getChildren();
        for (Property property : views) {
            blobList.add((Blob) property.getValue("content"));
        }
        return blobList;
    }

    public List<Blob> getBlobs(String... viewNames) {
        List<Blob> blobList = new ArrayList<>();
        for (String viewName : viewNames) {
            blobList.add(getBlob(viewName));
        }
        return blobList;
    }

    public Blob getBlob(String title) {
        PictureResourceAdapter picture = doc.getAdapter(PictureResourceAdapter.class);
        return picture.getPictureFromTitle(title);
    }

    @Override
    public String getHash() {

        Blob blob = getBlob();
        if (blob != null) {
            String h = blob.getDigest();
            if (h != null) {
                return h;
            }
        }
        return doc.getId() + xPath + getModificationDate().toString();
    }

}