/**
* Copyright (C) cedarsoft GmbH.
*
* Licensed under the GNU General Public License version 3 (the "License")
* with Classpath Exception; you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.cedarsoft.org/gpl3ce
* (GPL 3 with Classpath Exception)
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 only, as
* published by the Free Software Foundation. cedarsoft GmbH designates this
* particular file as subject to the "Classpath" exception as provided
* by cedarsoft GmbH in the LICENSE file that accompanied this code.
*
* This code 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
* version 3 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 3 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
* or visit www.cedarsoft.com if you need additional information or
* have any questions.
*/
package com.cedarsoft.serialization.serializers.json;
import com.cedarsoft.version.Version;
import com.cedarsoft.version.VersionException;
import com.cedarsoft.version.VersionRange;
import com.cedarsoft.crypt.Algorithm;
import com.cedarsoft.crypt.Hash;
import com.cedarsoft.serialization.jackson.AbstractJacksonSerializer;
import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.JsonProcessingException;
import javax.annotation.Nonnull;
import java.io.IOException;
public class HashSerializer extends AbstractJacksonSerializer<Hash> {
public static final String PROPERTY_ALGORITHM = "algorithm";
public static final String PROPERTY_VALUE = "hex";
public HashSerializer() {
super( "hash", VersionRange.from( 1, 0, 0 ).to( 1, 0, 0 ) );
}
@Override
public void serialize( @Nonnull JsonGenerator serializeTo, @Nonnull Hash object, @Nonnull Version formatVersion ) throws IOException, JsonProcessingException {
verifyVersionReadable( formatVersion );
serializeTo.writeStringField( PROPERTY_ALGORITHM, object.getAlgorithm().name() );
serializeTo.writeStringField( PROPERTY_VALUE, object.getValueAsHex() );
}
@Nonnull
@Override
public Hash deserialize( @Nonnull JsonParser deserializeFrom, @Nonnull Version formatVersion ) throws VersionException, IOException, JsonProcessingException {
nextFieldValue( deserializeFrom, PROPERTY_ALGORITHM );
Algorithm algorithm = Algorithm.getAlgorithm( deserializeFrom.getText() );
nextFieldValue( deserializeFrom, PROPERTY_VALUE );
String hex = deserializeFrom.getText();
closeObject( deserializeFrom );
return Hash.fromHex( algorithm, hex );
}
}