/**
* 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.tracing.htrace;
import java.util.List;
import java.util.Map;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.Phase;
import org.apache.htrace.core.TraceScope;
import org.apache.htrace.core.Tracer;
public class HTraceClientStartInterceptor extends AbstractHTraceClientInterceptor {
public HTraceClientStartInterceptor(final Tracer tracer) {
this(Phase.PRE_STREAM, tracer);
}
public HTraceClientStartInterceptor(final String phase, final Tracer tracer) {
super(phase, tracer);
}
@Override
public void handleMessage(Message message) throws Fault {
final Map<String, List<String>> headers = CastUtils.cast((Map<?, ?>)message.get(Message.PROTOCOL_HEADERS));
final TraceScopeHolder<TraceScope> holder = super.startTraceSpan(headers,
(String)message.get(Message.ENDPOINT_ADDRESS),
(String)message.get(Message.HTTP_REQUEST_METHOD));
if (holder != null) {
message.getExchange().put(TRACE_SPAN, holder);
}
}
}