/*
* 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 com.addthis.hydra.data.filter.value;
import com.addthis.bundle.value.ValueFactory;
import com.addthis.bundle.value.ValueObject;
import com.addthis.hydra.common.hash.MD5HashFunction;
/**
* This {@link AbstractValueFilter ValueFilter} <span class="hydra-summary">returns the MD5 sum of the input</span>.
* <p/>
* <p>Example:</p>
* <pre>
* {from:"URL", to:"HASH", md5 {}},
* </pre>
*
* @user-reference
*/
public class ValueFilterMD5 extends AbstractValueFilter {
@Override
public ValueObject filterValue(ValueObject value) {
if (value != null) {
value = ValueFactory.create(MD5HashFunction.hashAsString(value.toString()));
}
return value;
}
}