001/*
002 * (C) Copyright 2015 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 *     Thibaud Arguillere
018 */
019package org.nuxeo.diff.pictures;
020
021import java.util.List;
022import java.util.Locale;
023
024import org.nuxeo.ecm.core.api.Blob;
025import org.nuxeo.ecm.core.api.DocumentModel;
026import org.nuxeo.ecm.core.convert.api.ConversionException;
027import org.nuxeo.ecm.diff.content.ContentDiffException;
028import org.nuxeo.ecm.diff.content.adapter.MimeTypeContentDiffer;
029import org.nuxeo.ecm.diff.content.adapter.base.AbstractContentDiffAdapter;
030import org.nuxeo.ecm.diff.content.adapter.base.ContentDiffConversionType;
031
032/**
033 * @since 7.4
034 */
035public class ImageMagickContentDiffAdapter extends AbstractContentDiffAdapter {
036
037    public static final String IMAGE_MAGIC_CONTENT_DIFFER_NAME = "imageMagickContentDiffer";
038
039    @Override
040    public boolean cachable() {
041
042        return true;
043    }
044
045    @Override
046    public void cleanup() {
047        // Cleanup your stuff here
048    }
049
050    @Override
051    protected List<Blob> getContentDiffBlobs(DocumentModel otherDoc, ContentDiffConversionType conversionType,
052            Locale locale) throws ContentDiffException, ConversionException {
053
054        return getContentDiffBlobs(otherDoc, null, conversionType, locale);
055    }
056
057    @Override
058    protected List<Blob> getContentDiffBlobs(DocumentModel otherDoc, String xpath,
059            ContentDiffConversionType conversionType, Locale locale) throws ContentDiffException, ConversionException {
060
061        MimeTypeContentDiffer contentDiffer = getContentDiffAdapterManager().getContentDifferForName(
062                IMAGE_MAGIC_CONTENT_DIFFER_NAME);
063        if (contentDiffer instanceof ImageMagickContentDiffer) {
064            ImageMagickContentDiffer imContentDiffer = (ImageMagickContentDiffer) contentDiffer;
065            return imContentDiffer.getContentDiff(adaptedDoc, otherDoc, xpath, locale);
066        }
067        throw new ContentDiffException("The contentDiffer for '" + IMAGE_MAGIC_CONTENT_DIFFER_NAME
068                + "' should be a ImageMagickContentDiffer. Check the xml contribution.");
069    }
070
071}