/*
This file is part of RouteConverter.
RouteConverter is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
RouteConverter is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RouteConverter; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/
package slash.navigation.datasources.impl;
import slash.navigation.download.Checksum;
import slash.navigation.datasources.Downloadable;
import slash.navigation.datasources.Fragment;
import slash.navigation.datasources.binding.ChecksumType;
import slash.navigation.datasources.binding.FragmentType;
import java.util.ArrayList;
import java.util.List;
import static slash.navigation.datasources.DataSourcesUtil.asChecksum;
/**
* Implementation of a {@link Fragment} based on a {@link FragmentType}.
*
* @author Christian Pesch
*/
public class FragmentImpl<T extends Downloadable> implements Fragment {
private final FragmentType fragmentType;
private final T downloadable;
public FragmentImpl(FragmentType fragmentType, T downloadable) {
this.fragmentType = fragmentType;
this.downloadable = downloadable;
}
public T getDownloadable() {
return downloadable;
}
public String getKey() {
return fragmentType.getKey();
}
public List<Checksum> getChecksums() {
List<Checksum> result = new ArrayList<Checksum>();
for (ChecksumType checksumType : fragmentType.getChecksum())
result.add(asChecksum(checksumType));
return result;
}
public Checksum getLatestChecksum() {
return Checksum.getLatestChecksum(getChecksums());
}
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Fragment fragment = (Fragment) o;
return getDownloadable().equals(fragment.getDownloadable()) && getKey().equals(fragment.getKey());
}
public int hashCode() {
int result;
result = getDownloadable().hashCode();
result = 31 * result + getKey().hashCode();
return result;
}
public String toString() {
return getClass().getSimpleName() + "[key=" + getKey() + "]";
}
}