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Code Issues Releases Wiki Activity

Make InBandBytestreamManager use weak references to XMPPConnection

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This commit is contained in:
Florian Schmaus 2017-03-15 15:07:41 +01:00
parent 525feaa161
commit a592a12229
1 changed files with 13 additions and 12 deletions
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25
smack-extensions/src/main/java/org/jivesoftware/smackx/bytestreams/ibb/InBandBytestreamManager.java
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@ -17,15 +17,16 @@
package org.jivesoftware.smackx.bytestreams.ibb;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.WeakHashMap;
import java.util.concurrent.ConcurrentHashMap;
import org.jivesoftware.smack.AbstractConnectionClosedListener;
import org.jivesoftware.smack.ConnectionCreationListener;
import org.jivesoftware.smack.Manager;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.SmackException.NoResponseException;
import org.jivesoftware.smack.SmackException.NotConnectedException;
@ -79,7 +80,7 @@ import org.jxmpp.jid.Jid;
*
* @author Henning Staib
*/
public final class InBandBytestreamManager implements BytestreamManager {
public final class InBandBytestreamManager extends Manager implements BytestreamManager {
/**
* Stanzas that can be used to encapsulate In-Band Bytestream data packets.
@ -140,10 +141,7 @@ public final class InBandBytestreamManager implements BytestreamManager {
private final static Random randomGenerator = new Random();
/* stores one InBandBytestreamManager for each XMPP connection */
private final static Map<XMPPConnection, InBandBytestreamManager> managers = new HashMap<XMPPConnection, InBandBytestreamManager>();
/* XMPP connection */
private final XMPPConnection connection;
private final static Map<XMPPConnection, InBandBytestreamManager> managers = new WeakHashMap<>();
/*
* assigns a user to a listener that is informed if an In-Band Bytestream request for this user
@ -208,7 +206,7 @@ public final class InBandBytestreamManager implements BytestreamManager {
* @param connection the XMPP connection
*/
private InBandBytestreamManager(XMPPConnection connection) {
this.connection = connection;
super(connection);
// register bytestream open packet listener
this.initiationListener = new InitiationListener(this);
@ -434,11 +432,13 @@ public final class InBandBytestreamManager implements BytestreamManager {
Open byteStreamRequest = new Open(sessionID, this.defaultBlockSize, this.stanza);
byteStreamRequest.setTo(targetJID);
final XMPPConnection connection = connection();
// sending packet will throw exception on timeout or error reply
connection.createStanzaCollectorAndSend(byteStreamRequest).nextResultOrThrow();
InBandBytestreamSession inBandBytestreamSession = new InBandBytestreamSession(
this.connection, byteStreamRequest, targetJID);
connection, byteStreamRequest, targetJID);
this.sessions.put(sessionID, inBandBytestreamSession);
return inBandBytestreamSession;
@ -454,7 +454,7 @@ public final class InBandBytestreamManager implements BytestreamManager {
*/
protected void replyRejectPacket(IQ request) throws NotConnectedException, InterruptedException {
IQ error = IQ.createErrorResponse(request, XMPPError.Condition.not_acceptable);
this.connection.sendStanza(error);
connection().sendStanza(error);
}
/**
@ -467,7 +467,7 @@ public final class InBandBytestreamManager implements BytestreamManager {
*/
protected void replyResourceConstraintPacket(IQ request) throws NotConnectedException, InterruptedException {
IQ error = IQ.createErrorResponse(request, XMPPError.Condition.resource_constraint);
this.connection.sendStanza(error);
connection().sendStanza(error);
}
/**
@ -480,7 +480,7 @@ public final class InBandBytestreamManager implements BytestreamManager {
*/
protected void replyItemNotFoundPacket(IQ request) throws NotConnectedException, InterruptedException {
IQ error = IQ.createErrorResponse(request, XMPPError.Condition.item_not_found);
this.connection.sendStanza(error);
connection().sendStanza(error);
}
/**
@ -501,7 +501,7 @@ public final class InBandBytestreamManager implements BytestreamManager {
* @return the XMPP connection
*/
protected XMPPConnection getConnection() {
return this.connection;
return connection();
}
/**
@ -548,6 +548,7 @@ public final class InBandBytestreamManager implements BytestreamManager {
* internal status, which includes removing this instance from the managers map.
*/
private void disableService() {
final XMPPConnection connection = connection();
// remove manager from static managers map
managers.remove(connection);