/**
 * 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 org.apache.cxf.throttling;

import org.apache.cxf.Bus;
import org.apache.cxf.feature.AbstractFeature;
import org.apache.cxf.interceptor.InterceptorProvider;

/**
 * 
 */
public class ThrottlingFeature extends AbstractFeature {
    final ThrottlingManager manager;
    
    public ThrottlingFeature() {
        manager = null;
    }

    public ThrottlingFeature(ThrottlingManager manager) {
        this.manager = manager;
    }
    
    @Override
    protected void initializeProvider(InterceptorProvider provider, Bus bus) {
        ThrottlingManager m = manager;
        if (m == null) {
            m = bus.getExtension(ThrottlingManager.class);
        }
        if (m == null) {
            throw new IllegalArgumentException("ThrottlingManager must not be null");
        }
        for (String p : m.getDecisionPhases()) {
            provider.getInInterceptors().add(new ThrottlingInterceptor(p, m));
        }
        provider.getOutInterceptors().add(new ThrottlingResponseInterceptor());
        provider.getOutFaultInterceptors().add(new ThrottlingResponseInterceptor());
    }
}
