/*
* Copyright 2012 Research Studios Austria Forschungsges.m.b.H.
*
* 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 won.cryptography.keymanagement;
/**
* Always uses the predefined alias
*/
public class PredefinedAliasStrategy implements KeyPairAliasDerivationStrategy{
private String predefinedAlias = null;
public PredefinedAliasStrategy(String predefinedAlias) {
this.predefinedAlias = predefinedAlias;
if (this.predefinedAlias == null || this.predefinedAlias.trim().length() == 0) {
throw new IllegalArgumentException("Cannot use null or empty string as predefined alias");
}
}
@Override
public String getAliasForNeedUri(String needURI) {
return predefinedAlias;
}
}