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/*
* Copyright 2007 - 2018 ETH Zuerich, CISD and SIS.
*
* 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.
*/
package ch.systemsx.cisd.hdf5;
import java.io.File;
import ch.systemsx.cisd.hdf5.hdf5lib.HDFHelper;
import hdf.hdf5lib.H5;
/**
* Provides access to a factory for HDF5 readers and writers.
*
* @author Bernd Rinn
*/
public final class HDF5FactoryProvider
{
private static class HDF5Factory implements IHDF5Factory
{
@Override
public IHDF5WriterConfigurator configure(File file)
{
return new HDF5WriterConfigurator(file);
}
@Override
public IHDF5ReaderConfigurator configureForReading(File file)
{
return new HDF5ReaderConfigurator(file);
}
@Override
public IHDF5Writer open(File file)
{
return new HDF5WriterConfigurator(file).writer();
}
@Override
public IHDF5Reader openForReading(File file)
{
return new HDF5ReaderConfigurator(file).reader();
}
@Override
public boolean isHDF5File(File file)
{
return H5.H5Fis_hdf5(file.getPath());
}
@Override
public boolean hasMDCImage(File file)
{
return HDFHelper.H5Fhas_mdc_image(file.getPath());
}
}
/**
* The (only) instance of the factory.
*/
private static IHDF5Factory factory = new HDF5Factory();
private HDF5FactoryProvider()
{
// Not to be instantiated.
}
/**
* Returns the {@link IHDF5Factory}. This is your access to creation of {@link IHDF5Reader} and
* {@link IHDF5Writer} instances.
*/
public static synchronized IHDF5Factory get()
{
return factory;
}
/**
* Sets the {@link IHDF5Factory}. In normal operation this method is not used, but it is a hook
* that can be used if you need to track or influence the factory's operation, for example for
* mocking in unit tests.
*/
public static synchronized void set(IHDF5Factory factory)
{
HDF5FactoryProvider.factory = factory;
}
}
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