/*
* (C) Copyright 2006-2007 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
*
*/
package org.nuxeo.ecm.platform.picture.convert;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.nuxeo.ecm.core.api.Blob;
import org.nuxeo.ecm.core.api.blobholder.BlobHolder;
import org.nuxeo.ecm.core.convert.api.ConversionException;
import org.nuxeo.ecm.core.convert.cache.SimpleCachableBlobHolder;
import org.nuxeo.ecm.core.convert.extension.Converter;
import org.nuxeo.ecm.core.convert.extension.ConverterDescriptor;
import org.nuxeo.ecm.platform.picture.api.ImagingConvertConstants;
import org.nuxeo.ecm.platform.picture.api.ImagingService;
import org.nuxeo.runtime.api.Framework;
/**
* @author <a href="mailto:ldoguin@nuxeo.com">Laurent Doguint</a>
*/
public class RotationPictureConverter implements Converter {
@Override
public BlobHolder convert(BlobHolder blobHolder, Map<String, Serializable> parameters) throws ConversionException {
ImagingService service = Framework.getService(ImagingService.class);
List<Blob> results = new ArrayList<Blob>();
List<Blob> sources = blobHolder.getBlobs();
int angle = (Integer) parameters.get(ImagingConvertConstants.OPTION_ROTATE_ANGLE);
for (Blob source : sources) {
if (source != null) {
Blob result = service.rotate(source, angle);
if (result != null) {
results.add(result);
}
}
}
return new SimpleCachableBlobHolder(results);
}
@Override
public void init(ConverterDescriptor descriptor) {
}
}