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The free Java library for Asterisk PBX integration.
/*
* Copyright 2004-2006 Stefan Reuter
*
* Licensed 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.asteriskjava.live.internal;
import org.asteriskjava.live.*;
import org.asteriskjava.lock.LockableList;
import org.asteriskjava.lock.LockableMap;
import org.asteriskjava.lock.Locker.LockCloser;
import org.asteriskjava.manager.action.*;
import org.asteriskjava.manager.response.ManagerError;
import org.asteriskjava.manager.response.ManagerResponse;
import org.asteriskjava.util.MixMonitorDirection;
import java.util.*;
/**
* Default implementation of the AsteriskChannel interface.
*
* @author srt
* @version $Id$
*/
class AsteriskChannelImpl extends AbstractLiveObject implements AsteriskChannel {
private static final String CAUSE_VARIABLE_NAME = "PRI_CAUSE";
/**
* Date this channel has been created.
*/
private final Date dateOfCreation;
private final LockableList extensionHistory;
private final LockableList stateHistory;
private final LockableList linkedChannelHistory;
private final LockableList dialedChannelHistory;
private final LockableList dialedChannels;
private final LockableList dialingChannels;
/**
* If this channel is bridged to another channel, the linkedChannels
* contains the channel this channel is bridged with.
*/
private final LockableList linkedChannels;
private final LockableMap variables;
/**
* Unique id of this channel.
*/
private String id;
/**
* The traceId is used to trace originated channels.
*/
private String traceId;
/**
* Date this channel has left the Asterisk server.
*/
private Date dateOfRemoval;
/**
* Name of this channel.
*/
private String name;
/**
* Caller*ID of this channel.
*/
private CallerId callerId;
/**
* State of this channel.
*/
private ChannelState state;
/**
* Account code used to bill this channel.
*/
private String account;
/**
* Indicates if this channel was linked to another channel at least once.
*/
private boolean wasLinked;
private HangupCause hangupCause;
private String hangupCauseText;
private CallDetailRecordImpl callDetailRecord;
/**
* MeetMe room user associated with this channel if any, null
* otherwise.
*/
private MeetMeUserImpl meetMeUserImpl;
/**
* Queue entry associated with this channel if any, null
* otherwise.
*/
private AsteriskQueueEntryImpl queueEntryImpl;
/**
* Extension where the call is parked if it is parked, null
* otherwise.
*/
private Extension parkedAt;
/**
* Parkinglot where the call is parked if it is parked, null
* otherwise.
*/
private String parkingLot;
/**
* Last dtmf digit recieved on this channel if any, null
* otherwise.
*/
private Character dtmfReceived;
/**
* Last dtmf digit sent on this channel if any, null otherwise.
*/
private Character dtmfSent;
/**
* Actual monitor state
*/
private boolean isMonitored;
/**
* Creates a new Channel.
*
* @param server server this channel belongs to.
* @param name name of this channel, for example "SIP/1310-20da".
* @param id unique id of this channel, for example "1099015093.165".
* @param dateOfCreation date this channel has been created.
* @throws IllegalArgumentException if any of the parameters are null.
*/
AsteriskChannelImpl(final AsteriskServerImpl server, final String name, final String id, final Date dateOfCreation)
throws IllegalArgumentException {
super(server);
if (server == null) {
throw new IllegalArgumentException("Parameter 'server' passed to AsteriskChannelImpl() must not be null.");
}
if (name == null) {
throw new IllegalArgumentException("Parameter 'name' passed to AsteriskChannelImpl() must not be null.");
}
if (id == null) {
throw new IllegalArgumentException("Parameter 'id' passed to AsteriskChannelImpl() must not be null.");
}
if (dateOfCreation == null) {
throw new IllegalArgumentException(
"Parameter 'dateOfCreation' passed to AsteriskChannelImpl() must not be null.");
}
this.name = name;
this.id = id;
this.dateOfCreation = dateOfCreation;
this.extensionHistory = new LockableList<>(new ArrayList<>());
this.stateHistory = new LockableList<>(new ArrayList<>());
this.linkedChannelHistory = new LockableList<>(new ArrayList<>());
this.dialedChannelHistory = new LockableList<>(new ArrayList<>());
this.variables = new LockableMap<>(new HashMap<>());
this.dialedChannels = new LockableList<>(new ArrayList<>());
this.dialingChannels = new LockableList<>(new ArrayList<>());
this.linkedChannels = new LockableList<>(new ArrayList<>());
}
public String getId() {
return id;
}
/**
* Changes the id of this channel.
*
* @param date date of the name change.
* @param id the new unique id of this channel.
*/
void idChanged(Date date, String id) {
final String oldId = this.id;
if (oldId != null && oldId.equals(id)) {
return;
}
this.id = id;
firePropertyChange(PROPERTY_ID, oldId, id);
}
String getTraceId() {
return traceId;
}
void setTraceId(String traceId) {
this.traceId = traceId;
}
public String getName() {
return name;
}
/**
* Changes the name of this channel.
*
* @param date date of the name change.
* @param name the new name of this channel.
*/
void nameChanged(Date date, String name) {
final String oldName = this.name;
if (oldName != null && oldName.equals(name)) {
return;
}
this.name = name;
firePropertyChange(PROPERTY_NAME, oldName, name);
}
public CallerId getCallerId() {
return callerId;
}
/**
* Sets the caller id of this channel.
*
* @param callerId the caller id of this channel.
*/
void setCallerId(final CallerId callerId) {
final CallerId oldCallerId = this.callerId;
this.callerId = callerId;
firePropertyChange(PROPERTY_CALLER_ID, oldCallerId, callerId);
}
public ChannelState getState() {
return state;
}
public boolean wasInState(ChannelState state) {
try (LockCloser closer = stateHistory.withLock()) {
for (ChannelStateHistoryEntry historyEntry : stateHistory) {
if (historyEntry.getState() == state) {
return true;
}
}
}
return false;
}
public boolean wasBusy() {
return wasInState(ChannelState.BUSY) || hangupCause == HangupCause.AST_CAUSE_BUSY
|| hangupCause == HangupCause.AST_CAUSE_USER_BUSY;
}
/**
* Changes the state of this channel.
*
* @param date when the state change occurred.
* @param state the new state of this channel.
*/
void stateChanged(Date date, ChannelState state) {
try (LockCloser closer = this.withLock()) {
final ChannelStateHistoryEntry historyEntry;
final ChannelState oldState = this.state;
if (oldState == state) {
return;
}
// System.err.println(id + " state change: " + oldState + " => " +
// state
// + " (" + name + ")");
historyEntry = new ChannelStateHistoryEntry(date, state);
try (LockCloser closer2 = stateHistory.withLock()) {
stateHistory.add(historyEntry);
}
this.state = state;
firePropertyChange(PROPERTY_STATE, oldState, state);
}
}
public String getAccount() {
return account;
}
/**
* Sets the account code used to bill this channel.
*
* @param account the account code used to bill this channel.
*/
void setAccount(String account) {
final String oldAccount = this.account;
this.account = account;
firePropertyChange(PROPERTY_ACCOUNT, oldAccount, account);
}
public Extension getCurrentExtension() {
final Extension extension;
try (LockCloser closer = extensionHistory.withLock()) {
if (extensionHistory.isEmpty()) {
extension = null;
} else {
extension = extensionHistory.get(extensionHistory.size() - 1).getExtension();
}
}
return extension;
}
public Extension getFirstExtension() {
final Extension extension;
try (LockCloser closer = extensionHistory.withLock()) {
if (extensionHistory.isEmpty()) {
extension = null;
} else {
extension = extensionHistory.get(0).getExtension();
}
}
return extension;
}
public List getExtensionHistory() {
final List copy;
try (LockCloser closer = extensionHistory.withLock()) {
copy = new ArrayList<>(extensionHistory);
}
return copy;
}
/**
* Adds a visted dialplan entry to the history.
*
* @param date the date the extension has been visited.
* @param extension the visted dialplan entry to add.
*/
void extensionVisited(Date date, Extension extension) {
final Extension oldCurrentExtension = getCurrentExtension();
final ExtensionHistoryEntry historyEntry;
historyEntry = new ExtensionHistoryEntry(date, extension);
try (LockCloser closer = extensionHistory.withLock()) {
extensionHistory.add(historyEntry);
}
firePropertyChange(PROPERTY_CURRENT_EXTENSION, oldCurrentExtension, extension);
}
public Date getDateOfCreation() {
return dateOfCreation;
}
public Date getDateOfRemoval() {
return dateOfRemoval;
}
public HangupCause getHangupCause() {
return hangupCause;
}
public String getHangupCauseText() {
return hangupCauseText;
}
public CallDetailRecord getCallDetailRecord() {
return callDetailRecord;
}
void callDetailRecordReceived(Date date, CallDetailRecordImpl callDetailRecord) {
final CallDetailRecordImpl oldCallDetailRecord = this.callDetailRecord;
this.callDetailRecord = callDetailRecord;
firePropertyChange(PROPERTY_CALL_DETAIL_RECORD, oldCallDetailRecord, callDetailRecord);
}
/**
* Sets dateOfRemoval, hangupCause and hangupCauseText and changes state to
* {@link ChannelState#HUNGUP}. Fires a PropertyChangeEvent for state.
*
* @param dateOfRemoval date the channel was hung up
* @param hangupCause cause for hangup
* @param hangupCauseText textual representation of hangup cause
*/
void hungup(Date dateOfRemoval, HangupCause hangupCause, String hangupCauseText) {
try (LockCloser closer = this.withLock()) {
this.dateOfRemoval = dateOfRemoval;
this.hangupCause = hangupCause;
this.hangupCauseText = hangupCauseText;
// update state and fire PropertyChangeEvent
stateChanged(dateOfRemoval, ChannelState.HUNGUP);
}
}
/**
* Retrives the conplete List of all dialed channels associated to ths calls
*
* @return List of all dialed channels
*/
public List getDialedChannels() {
final List copy;
try (LockCloser closer = dialedChannels.withLock()) {
copy = new ArrayList<>(dialedChannels);
}
return copy;
}
/* dialed channels */
public AsteriskChannel getDialedChannel() {
try (LockCloser closer = dialedChannels.withLock()) {
for (AsteriskChannel channel : dialedChannels) {
if (channel != null)
return channel;
}
}
return null;
}
public List getDialedChannelHistory() {
final List copy;
try (LockCloser closer = dialedChannelHistory.withLock()) {
copy = new ArrayList<>(dialedChannelHistory);
}
return copy;
}
void channelDialed(Date date, AsteriskChannel dialedChannel) {
try (LockCloser closer = this.withLock()) {
final AsteriskChannel oldDialedChannel;
try (LockCloser closer2 = dialedChannels.withLock()) {
if (dialedChannels.isEmpty())
oldDialedChannel = null;
else
oldDialedChannel = dialedChannels.get(dialedChannels.size() - 1);
dialedChannels.add(dialedChannel);
}
final DialedChannelHistoryEntry historyEntry;
historyEntry = new DialedChannelHistoryEntry(date, dialedChannel);
try (LockCloser closer3 = dialedChannelHistory.withLock()) {
dialedChannelHistory.add(historyEntry);
}
firePropertyChange(PROPERTY_DIALED_CHANNEL, oldDialedChannel, dialedChannel);
}
}
/* dialed channels */
public AsteriskChannel getDialingChannel() {
try (LockCloser closer = dialingChannels.withLock()) {
if (dialingChannels.isEmpty())
return null;
return dialingChannels.get(0);
}
}
void channelDialing(Date date, AsteriskChannel dialingChannel) {
try (LockCloser closer = this.withLock()) {
final AsteriskChannel oldDialingChannel;
try (LockCloser closer2 = this.dialingChannels.withLock()) {
if (this.dialingChannels.isEmpty()) {
oldDialingChannel = null;
this.dialingChannels.add(dialingChannel);
} else {
oldDialingChannel = this.dialingChannels.get(0);
this.dialingChannels.set(0, dialingChannel);
}
}
firePropertyChange(PROPERTY_DIALING_CHANNEL, oldDialingChannel, dialingChannel);
}
}
/* linked channels */
public AsteriskChannel getLinkedChannel() {
try (LockCloser closer = linkedChannels.withLock()) {
if (linkedChannels.isEmpty())
return null;
return linkedChannels.get(0);
}
}
public List getLinkedChannelHistory() {
final List copy;
try (LockCloser closer = linkedChannelHistory.withLock()) {
copy = new ArrayList<>(linkedChannelHistory);
}
return copy;
}
public boolean wasLinked() {
return wasLinked;
}
/**
* Sets the channel this channel is bridged with.
*
* @param date the date this channel was linked.
* @param linkedChannel the channel this channel is bridged with.
*/
void channelLinked(Date date, AsteriskChannel linkedChannel) {
try (LockCloser closer = this.withLock()) {
final AsteriskChannel oldLinkedChannel;
try (LockCloser closer2 = this.linkedChannels.withLock()) {
if (this.linkedChannels.isEmpty()) {
oldLinkedChannel = null;
this.linkedChannels.add(linkedChannel);
} else {
oldLinkedChannel = this.linkedChannels.get(0);
this.linkedChannels.set(0, linkedChannel);
}
}
final LinkedChannelHistoryEntry historyEntry;
historyEntry = new LinkedChannelHistoryEntry(date, linkedChannel);
try (LockCloser closer3 = linkedChannelHistory.withLock()) {
linkedChannelHistory.add(historyEntry);
}
this.wasLinked = true;
firePropertyChange(PROPERTY_LINKED_CHANNEL, oldLinkedChannel, linkedChannel);
}
}
void channelUnlinked(Date date) {
try (LockCloser closer = this.withLock()) {
final AsteriskChannel oldLinkedChannel;
try (LockCloser closer2 = this.linkedChannels.withLock()) {
if (this.linkedChannels.isEmpty()) {
oldLinkedChannel = null;
} else {
oldLinkedChannel = this.linkedChannels.get(0);
}
linkedChannels.clear();
}
final LinkedChannelHistoryEntry historyEntry;
try (LockCloser closer3 = linkedChannelHistory.withLock()) {
if (linkedChannelHistory.isEmpty()) {
historyEntry = null;
} else {
historyEntry = linkedChannelHistory.get(linkedChannelHistory.size() - 1);
}
}
if (historyEntry != null) {
historyEntry.setDateUnlinked(date);
}
firePropertyChange(PROPERTY_LINKED_CHANNEL, oldLinkedChannel, null);
}
}
/* MeetMe user */
public MeetMeUserImpl getMeetMeUser() {
return meetMeUserImpl;
}
void setMeetMeUserImpl(MeetMeUserImpl meetMeUserImpl) {
final MeetMeUserImpl oldMeetMeUserImpl = this.meetMeUserImpl;
this.meetMeUserImpl = meetMeUserImpl;
firePropertyChange(PROPERTY_MEET_ME_USER, oldMeetMeUserImpl, meetMeUserImpl);
}
// action methods
public void hangup() throws ManagerCommunicationException, NoSuchChannelException {
hangup(null);
}
public void hangup(HangupCause cause) throws ManagerCommunicationException, NoSuchChannelException {
final HangupAction action;
final ManagerResponse response;
if (cause != null) {
setVariable(CAUSE_VARIABLE_NAME, Integer.toString(cause.getCode()));
action = new HangupAction(name, cause.getCode());
} else {
action = new HangupAction(name);
}
response = server.sendAction(action);
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void setAbsoluteTimeout(int seconds) throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
response = server.sendAction(new AbsoluteTimeoutAction(name, seconds));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void redirect(String context, String exten, int priority)
throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
response = server.sendAction(new RedirectAction(name, context, exten, priority));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void redirectBothLegs(String context, String exten, int priority)
throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
try (LockCloser closer = linkedChannels.withLock()) {
if (linkedChannels.isEmpty()) {
response = server.sendAction(new RedirectAction(name, context, exten, priority));
} else {
response = server.sendAction(new RedirectAction(name, linkedChannels.get(0).getName(), context, exten,
priority, context, exten, priority));
}
}
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public String getVariable(String variable) throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
String value;
try (LockCloser closer = variables.withLock()) {
value = variables.get(variable);
if (value != null) {
return value;
}
response = server.sendAction(new GetVarAction(name, variable));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
value = response.getAttribute("Value");
if (value == null) {
value = response.getAttribute(variable); // for Asterisk 1.0.x
}
variables.put(variable, value);
}
return value;
}
public void setVariable(String variable, String value) throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
response = server.sendAction(new SetVarAction(name, variable, value));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
try (LockCloser closer = variables.withLock()) {
variables.put(variable, value);
}
}
public void playDtmf(String digit) throws ManagerCommunicationException, NoSuchChannelException, IllegalArgumentException {
ManagerResponse response;
if (digit == null) {
throw new IllegalArgumentException("DTMF digit to send must not be null");
}
response = server.sendAction(new PlayDtmfAction(name, digit));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void startMonitoring(String filename) throws ManagerCommunicationException, NoSuchChannelException {
startMonitoring(filename, null, false);
}
public void startMonitoring(String filename, String format) throws ManagerCommunicationException, NoSuchChannelException {
startMonitoring(filename, format, false);
}
public void startMonitoring(String filename, String format, boolean mix)
throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
response = server.sendAction(new MonitorAction(name, filename, format, mix));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void changeMonitoring(String filename)
throws ManagerCommunicationException, NoSuchChannelException, IllegalArgumentException {
ManagerResponse response;
if (filename == null) {
throw new IllegalArgumentException("New filename must not be null");
}
response = server.sendAction(new ChangeMonitorAction(name, filename));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void stopMonitoring() throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
response = server.sendAction(new StopMonitorAction(name));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void pauseMonitoring() throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
response = server.sendAction(new PauseMonitorAction(name));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void unpauseMonitoring() throws ManagerCommunicationException, NoSuchChannelException {
ManagerResponse response;
response = server.sendAction(new UnpauseMonitorAction(name));
if (response instanceof ManagerError) {
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void pauseMixMonitor(MixMonitorDirection direction)
throws ManagerCommunicationException, NoSuchChannelException, RecordingException {
ManagerResponse response;
response = server.sendAction(new PauseMixMonitorAction(this.name, 1, direction.getStateName()));
if (response instanceof ManagerError) {
if (response.getMessage().equals("Cannot set mute flag")) {
throw new RecordingException(response.getMessage() + " on channel: '" + name);
}
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public void unPauseMixMonitor(MixMonitorDirection direction)
throws ManagerCommunicationException, NoSuchChannelException, RecordingException {
ManagerResponse response;
response = server.sendAction(new PauseMixMonitorAction(this.name, 0, direction.getStateName()));
if (response instanceof ManagerError) {
if (response.getMessage().equals("Cannot set mute flag")) {
throw new RecordingException(response.getMessage() + " on channel: '" + name);
}
throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage());
}
}
public Extension getParkedAt() {
// warning: the context of this extension will be null until we get the
// context property from
// the parked call event!
return parkedAt;
}
public String getParkingLot() {
return this.parkingLot;
}
void setParkedAt(Extension parkedAt, String parkingLot) {
final Extension oldParkedAt = this.parkedAt;
final String oldParkingLot = this.parkingLot;
this.parkedAt = parkedAt;
this.parkingLot = parkingLot;
firePropertyChange(PROPERTY_PARKED_AT, oldParkedAt, parkedAt);
firePropertyChange(PROPERTY_PARKING_LOT, oldParkingLot, parkingLot);
}
void updateVariable(String name, String value) {
try (LockCloser closer = variables.withLock()) {
// final String oldValue = variables.get(name);
variables.put(name, value);
// TODO add notification for updated channel variables
}
}
public Map getVariables() {
try (LockCloser closer = variables.withLock()) {
return new HashMap<>(variables);
}
}
public Character getDtmfReceived() {
return this.dtmfReceived;
}
public Character getDtmfSent() {
return this.dtmfSent;
}
void dtmfReceived(Character digit) {
final Character oldDtmfReceived = this.dtmfReceived;
this.dtmfReceived = digit;
firePropertyChange(PROPERTY_DTMF_RECEIVED, oldDtmfReceived, digit);
}
void dtmfSent(Character digit) {
final Character oldDtmfSent = this.dtmfSent;
this.dtmfSent = digit;
firePropertyChange(PROPERTY_DTMF_SENT, oldDtmfSent, digit);
}
public AsteriskQueueEntryImpl getQueueEntry() {
return queueEntryImpl;
}
void setQueueEntry(AsteriskQueueEntryImpl queueEntry) {
final AsteriskQueueEntry oldQueueEntry = this.queueEntryImpl;
this.queueEntryImpl = queueEntry;
firePropertyChange(PROPERTY_QUEUE_ENTRY, oldQueueEntry, queueEntry);
}
public boolean isMonitored() {
return this.isMonitored;
}
void setMonitored(boolean monitored) {
final boolean oldMonitored = this.isMonitored;
this.isMonitored = monitored;
firePropertyChange(PROPERTY_MONITORED, oldMonitored, monitored);
}
@Override
public String toString() {
final StringBuilder sb;
final LockableList dialingChannel;
final LockableList linkedChannel;
sb = new StringBuilder("AsteriskChannel[");
try (LockCloser closer = this.withLock()) {
sb.append("id='").append(getId()).append("',");
sb.append("name='").append(getName()).append("',");
sb.append("callerId='").append(getCallerId()).append("',");
sb.append("state='").append(getState()).append("',");
sb.append("account='").append(getAccount()).append("',");
sb.append("dateOfCreation=").append(getDateOfCreation()).append(",");
dialingChannel = this.dialingChannels;
linkedChannel = this.linkedChannels;
}
if (dialedChannels.isEmpty()) {
sb.append("dialedChannel=null,");
} else {
sb.append("dialedChannel=AsteriskChannel[");
try (LockCloser closer = dialedChannels.withLock()) {
for (AsteriskChannel dialedChannel : dialedChannels) {
sb.append("[id='").append(dialedChannel.getId()).append("',");
sb.append("name='").append(dialedChannel.getName()).append("'],");
}
sb.append("],");
}
}
if (dialingChannel.isEmpty()) {
sb.append("dialingChannel=null,");
} else {
sb.append("dialingChannel=AsteriskChannel[");
sb.append("id='").append(dialingChannel.get(0).getId()).append("',");
sb.append("name='").append(dialingChannel.get(0).getName()).append("'],");
}
try (LockCloser closer = linkedChannel.withLock()) {
if (linkedChannel.isEmpty()) {
sb.append("linkedChannel=null");
} else {
sb.append("linkedChannel=AsteriskChannel[");
{
sb.append("id='").append(linkedChannel.get(0).getId()).append("',");
sb.append("name='").append(linkedChannel.get(0).getName()).append("']");
}
}
}
sb.append("]");
return sb.toString();
}
}
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