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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 org.apache.tuscany.sca.binding.erlang.testing;
import java.lang.annotation.Annotation;
import org.apache.tuscany.sca.binding.erlang.impl.types.TypeHelpersProxy;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangPid;
import com.ericsson.otp.erlang.OtpErlangTuple;
import com.ericsson.otp.erlang.OtpMbox;
import com.ericsson.otp.erlang.OtpMsg;
/**
* @version $Rev$ $Date$
*/
public class MboxListener implements Runnable {
private OtpMbox mbox;
private OtpMsg msg;
private Object response;
private long duration;
public MboxListener(OtpMbox mbox, Object response) {
this(mbox, response, 0);
}
public MboxListener(OtpMbox mbox, Object response, long duration) {
this.mbox = mbox;
this.response = response;
this.duration = duration;
}
public void run() {
try {
msg = mbox.receiveMsg();
Thread.sleep(duration);
OtpErlangPid senderPid = null;
if (response != null) {
if (msg.getMsg().getClass().equals(OtpErlangTuple.class)
&& ((OtpErlangTuple) msg.getMsg()).elementAt(0)
.getClass().equals(OtpErlangPid.class)) {
senderPid = (OtpErlangPid) ((OtpErlangTuple) msg.getMsg())
.elementAt(0);
} else {
senderPid = msg.getSenderPid();
}
mbox.send(senderPid, TypeHelpersProxy.toErlang(response,
new Annotation[0]));
}
} catch (Exception e) {
e.printStackTrace();
}
}
public OtpErlangObject getMsg() {
try {
// Sometimes clients tries to get message which isn't fully
// received.
// If so - give it more tries. This sometimes caused
// NullPointerException in
// ReferenceServiceTestCase.testMultipleArguments().
for (int i = 0; i < 3; i++) {
if (msg != null) {
return ((OtpErlangTuple) msg.getMsg()).elementAt(1);
} else {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
}
}
}
return ((OtpErlangTuple) msg.getMsg()).elementAt(1);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
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