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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 echo.provider.policy;
import org.apache.tuscany.sca.policy.Policy;
import org.apache.tuscany.sca.policy.PolicySet;
/**
* Sample policy handler
*/
public class EncryptionPolicyHandler implements PolicyHandler {
public void applyPolicy(Object msg, PolicySet policySet) throws Exception {
for ( Object aPolicy : policySet.getPolicies() ) {
if ( aPolicy instanceof EchoBindingEncryptionPolicy ) {
encrypt(msg, (EchoBindingEncryptionPolicy)aPolicy);
}
}
}
private void encrypt(Object msg, EchoBindingEncryptionPolicy policy) throws Exception {
if ( !policy.isUnresolved() && msg instanceof Object[] ) {
EncryptionStrategy strategy = policy.getStrategyClass().newInstance();
Object[] msgArgs = (Object[])msg;
for ( int count = 0 ; count < msgArgs.length ; ++count ) {
msgArgs[count] = strategy.encryptMessage(msgArgs[count]);
}
}
}
}
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