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package events.internal;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import core.VSInternalProcess;
import events.VSAbstractEvent;
import events.VSCopyableEvent;
import events.VSRegisteredEvents;
import protocols.VSAbstractProtocol;
import serialize.VSSerialize;
/**
* The class VSProtocolEvent, this event is used if a protocol (server or
* client part) of a process gets enabled or disabled, an object of this class
* can be for 4 different purporses! Activation of the client protocol,
* deactivation of the client protocol, activation of the server protocol,
* deactivation of the server protocol.
*
* @author Paul C. Buetow
*/
public class VSProtocolEvent extends VSAbstractInternalEvent
implements VSCopyableEvent {
/** The protocol classname. */
private String protocolClassname;
/** The event is a client protocol if true. Else it is a server protocol */
private boolean isClientProtocol;
/** The event is a protocol activation if true. Else it is a deactivation */
private boolean isProtocolActivation;
/* (non-Javadoc)
* @see events.VSCopyableEvent#initCopy(events.VSAbstractEvent)
*/
public void initCopy(VSAbstractEvent copy) {
VSProtocolEvent protocolEventCopy = (VSProtocolEvent) copy;
protocolEventCopy.isClientProtocol(isClientProtocol);
protocolEventCopy.isProtocolActivation(isProtocolActivation);
protocolEventCopy.setProtocolClassname(protocolClassname);
}
/* (non-Javadoc)
* @see events.VSAbstractEvent#onInit()
*/
public void onInit() {
setClassname(getClass().toString());
}
/**
* Sets if it is a client protocol activation/deactivation.
*
* @param isClientProtocol the event is client protocol if true. the event
* is a server protocol if false.
*/
public void isClientProtocol(boolean isClientProtocol) {
this.isClientProtocol = isClientProtocol;
}
/**
* Checks if it is a client protocol activation/deactivation.
*
* @return the event is client protocol if true. the event
* is a server protocol if false.
*/
public boolean isClientProtocol() {
return isClientProtocol;
}
/**
* Sets if it is protocol activation.
*
* @param isProtocolActivation true, if it is a protocol activation. false,
* if it is a protocol deactivation.
*/
public void isProtocolActivation(boolean isProtocolActivation) {
this.isProtocolActivation = isProtocolActivation;
}
/**
* Checks if it is protocol activation.
*
* @return true, if it is a protocol activation. false, if it is a protocol
* deactivation.
*/
public boolean isProtocolActivation() {
return isProtocolActivation;
}
/**
* Sets the protocol classname.
*
* @param protocolClassname the new protocol classname
*/
public void setProtocolClassname(String protocolClassname) {
this.protocolClassname = protocolClassname;
}
/* (non-Javadoc)
* @see events.VSAbstractEvent#onStart()
*/
public void onStart() {
VSInternalProcess internalProcess = (VSInternalProcess) process;
VSAbstractProtocol protocol =
internalProcess.getProtocolObject(protocolClassname);
if (isClientProtocol)
protocol.isClient(isProtocolActivation);
else
protocol.isServer(isProtocolActivation);
StringBuffer buffer = new StringBuffer();
buffer.append(VSRegisteredEvents.getShortnameByClassname(protocolClassname));
if (buffer.length() == 0) {
buffer.append(protocolClassname);
}
buffer.append(" ");
buffer.append(isClientProtocol
? prefs.getString("lang.client")
: prefs.getString("lang.server"));
buffer.append(" ");
buffer.append(isProtocolActivation
? prefs.getString("lang.activated")
: prefs.getString("lang.deactivated"));
log(buffer.toString());
}
/* (non-Javadoc)
* @see serialize.VSSerializable#serialize(serialize.VSSerialize,
* java.io.ObjectOutputStream)
*/
public synchronized void serialize(VSSerialize serialize,
ObjectOutputStream objectOutputStream)
throws IOException {
super.serialize(serialize, objectOutputStream);
/** For later backwards compatibility, to add more stuff */
objectOutputStream.writeObject(Boolean.valueOf(false));
objectOutputStream.writeObject(protocolClassname);
objectOutputStream.writeObject(Boolean.valueOf(isClientProtocol));
objectOutputStream.writeObject(Boolean.valueOf(isProtocolActivation));
/** For later backwards compatibility, to add more stuff */
objectOutputStream.writeObject(Boolean.valueOf(false));
}
/* (non-Javadoc)
* @see serialize.VSSerializable#deserialize(serialize.VSSerialize,
* java.io.ObjectInputStream)
*/
public synchronized void deserialize(VSSerialize serialize,
ObjectInputStream objectInputStream)
throws IOException, ClassNotFoundException {
super.deserialize(serialize, objectInputStream);
if (VSSerialize.DEBUG)
System.out.println("Deserializing: VSProtocolEvent");
/** For later backwards compatibility, to add more stuff */
objectInputStream.readObject();
// Set protocolClassname before calling createShortname
protocolClassname = (String) objectInputStream.readObject();
isClientProtocol = ((Boolean) objectInputStream.readObject()).booleanValue();
isProtocolActivation = ((Boolean) objectInputStream.readObject()).booleanValue();
// Set the event shortname using current localization
this.setShortname(createShortname(null));
/** For later backwards compatibility, to add more stuff */
objectInputStream.readObject();
}
protected String createShortname(String savedShortname) {
// Always use current localization strings
String protocolShortname = VSRegisteredEvents.getShortnameByClassname(protocolClassname);
if (protocolShortname == null) {
protocolShortname = protocolClassname;
}
String clientServer = isClientProtocol ?
prefs.getString("lang.client") :
prefs.getString("lang.server");
String activateDeactivate = isProtocolActivation ?
prefs.getString("lang.activated") :
prefs.getString("lang.deactivated");
return protocolShortname + " " + clientServer + " " + activateDeactivate;
}
}
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