/**
* Creates a full filename for the call by combining the directory, file prefix and extension. If
* the directory is <tt>null</tt> user's home directory is used.
*
* @param savedCallsPath the path to the directory in which the generated file name is to be
* placed
* @return a full filename for the call
*/
private String createDefaultFilename(String savedCallsPath) {
// set to user's home when null
if (savedCallsPath == null) {
try {
savedCallsPath =
GuiActivator.getFileAccessService().getDefaultDownloadDirectory().getAbsolutePath();
} catch (IOException ioex) {
// Leave it in the current directory.
}
}
String ext = configuration.getString(Recorder.FORMAT);
// Use a default format when the configured one seems invalid.
if ((ext == null) || (ext.length() == 0) || !isSupportedFormat(ext))
ext = SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
return ((savedCallsPath == null) ? "" : (savedCallsPath + File.separator))
+ generateCallFilename(ext);
}
/**
* The button that starts/stops the call recording.
*
* @author Dmitri Melnikov
* @author Lubomir Marinov
*/
public class RecordButton extends AbstractCallToggleButton {
/** The logger used by the <tt>RecordButton</tt> class and its instances for logging output. */
private static final Logger logger = Logger.getLogger(RecordButton.class);
/** The date format used in file names. */
private static final SimpleDateFormat FORMAT = new SimpleDateFormat("*****@*****.**");
/** Configuration service. */
private static final ConfigurationService configuration = GuiActivator.getConfigurationService();
/** Resource service. */
private static final ResourceManagementService resources = GuiActivator.getResources();
/** Maximum allowed file name length. */
private static final int MAX_FILENAME_LENGTH = 64;
/** The full filename of the saved call on the file system. */
private String callFilename;
/** Call file chooser. */
private SipCommFileChooser callFileChooser;
/**
* The <tt>Recorder</tt> which is depicted by this <tt>RecordButton</tt> and which is to record or
* records {@link #call} into {@link #callFilename}.
*/
private Recorder recorder;
/**
* Initializes a new <tt>RecordButton</tt> instance which is to record the audio stream.
*
* @param call the <tt>Call</tt> to be associated with the new instance and to have the audio
* stream recorded
*/
public RecordButton(Call call) {
this(call, false);
}
/**
* Initializes a new <tt>RecordButton</tt> instance which is to record the audio stream.
*
* @param call the <tt>Call</tt> to be associated with the new instance and to have its audio
* stream recorded
* @param selected <tt>true</tt> if the new toggle button is to be initially selected; otherwise,
* <tt>false</tt>
*/
public RecordButton(Call call, boolean selected) {
super(call, true, selected, ImageLoader.RECORD_BUTTON, ImageLoader.RECORD_BUTTON_PRESSED, null);
String toolTip = resources.getI18NString("service.gui.RECORD_BUTTON_TOOL_TIP");
String saveDir = configuration.getString(Recorder.SAVED_CALLS_PATH);
if ((saveDir != null) && (saveDir.length() != 0)) toolTip += " (" + saveDir + ")";
setToolTipText(toolTip);
}
/** Starts/stops the recording of the call when this button is pressed. */
@Override
public void buttonPressed() {
if (call != null) {
// start recording
if (isSelected()) {
boolean startedRecording = false;
try {
startedRecording = startRecording();
} finally {
if (!startedRecording && (recorder != null)) {
try {
recorder.stop();
} finally {
recorder = null;
}
}
setSelected(startedRecording);
}
}
// stop recording
else if (recorder != null) {
try {
recorder.stop();
} finally {
recorder = null;
setSelected(false);
}
}
}
}
/**
* Creates a full filename for the call by combining the directory, file prefix and extension. If
* the directory is <tt>null</tt> user's home directory is used.
*
* @param savedCallsPath the path to the directory in which the generated file name is to be
* placed
* @return a full filename for the call
*/
private String createDefaultFilename(String savedCallsPath) {
// set to user's home when null
if (savedCallsPath == null) {
try {
savedCallsPath =
GuiActivator.getFileAccessService().getDefaultDownloadDirectory().getAbsolutePath();
} catch (IOException ioex) {
// Leave it in the current directory.
}
}
String ext = configuration.getString(Recorder.FORMAT);
// Use a default format when the configured one seems invalid.
if ((ext == null) || (ext.length() == 0) || !isSupportedFormat(ext))
ext = SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
return ((savedCallsPath == null) ? "" : (savedCallsPath + File.separator))
+ generateCallFilename(ext);
}
/**
* Generates a file name for the call based on the current date and the names of the peers in the
* call.
*
* @param ext file extension
* @return the file name for the call
*/
private String generateCallFilename(String ext) {
String filename = FORMAT.format(new Date()) + "-call";
int maxLength = MAX_FILENAME_LENGTH - 2 - filename.length() - ext.length();
String peerName = getCallPeerName(maxLength);
filename += ((!peerName.equals("")) ? "-" : "") + peerName + "." + ext;
return filename;
}
/**
* Gets and formats the names of the peers in the call.
*
* @param maxLength maximum length of the filename
* @return the name of the peer in the call formated
*/
private String getCallPeerName(int maxLength) {
List<CallPeer> callPeers = call.getConference().getCallPeers();
CallPeer callPeer = null;
String peerName = "";
if (!callPeers.isEmpty()) {
callPeer = callPeers.get(0);
if (callPeer != null) {
peerName = callPeer.getDisplayName();
peerName = peerName.replaceAll("[^\\da-zA-Z\\_\\-@\\.]", "");
if (peerName.length() > maxLength) {
peerName = peerName.substring(0, maxLength);
}
}
}
return peerName;
}
/**
* Gets the <tt>Recorder</tt> represented by this <tt>RecordButton</tt> creating it first if it
* does not exist.
*
* @return the <tt>Recorder</tt> represented by this <tt>RecordButton</tt> created first if it
* does not exist
* @throws OperationFailedException if anything goes wrong while creating the <tt>Recorder</tt> to
* be represented by this <tt>RecordButton</tt>
*/
private Recorder getRecorder() throws OperationFailedException {
if (recorder == null) {
OperationSetBasicTelephony<?> telephony =
call.getProtocolProvider().getOperationSet(OperationSetBasicTelephony.class);
recorder = telephony.createRecorder(call);
}
return recorder;
}
/**
* Determines whether the extension of a specific <tt>File</tt> specifies a format supported by
* the <tt>Recorder</tt> represented by this <tt>RecordButton</tt>.
*
* @param file the <tt>File</tt> whose extension is to be checked whether it specifies a format
* supported by the <tt>Recorder</tt> represented by this <tt>RecordButton</tt>
* @return <tt>true</tt> if the extension of the specified <tt>file</tt> specifies a format
* supported by the <tt>Recorder</tt> represented by this <tt>RecordButton</tt>; otherwise,
* <tt>false</tt>
*/
private boolean isSupportedFormat(File file) {
String extension = SoundFileUtils.getExtension(file);
return (extension != null) && (extension.length() != 0) && isSupportedFormat(extension);
}
/**
* Determines whether a specific format is supported by the <tt>Recorder</tt> represented by this
* <tt>RecordButton</tt>.
*
* @param format the format which is to be checked whether it is supported by the
* <tt>Recorder</tt> represented by this <tt>RecordButton</tt>
* @return <tt>true</tt> if the specified <tt>format</tt> is supported by the <tt>Recorder</tt>
* represented by this <tt>RecordButton</tt>; otherwise, <tt>false</tt>
*/
private boolean isSupportedFormat(String format) {
Recorder recorder;
try {
recorder = getRecorder();
} catch (OperationFailedException ofex) {
logger.error("Failed to get Recorder", ofex);
return false;
}
List<String> supportedFormats = recorder.getSupportedFormats();
return (supportedFormats != null) && supportedFormats.contains(format);
}
/**
* Starts recording {@link #call} creating {@link #recorder} first and asking the user for the
* recording format and file if they are not configured in the "Call Recording" configuration
* form.
*
* @return <tt>true</tt> if the recording has been started successfully; otherwise, <tt>false</tt>
*/
private boolean startRecording() {
String savedCallsPath = configuration.getString(Recorder.SAVED_CALLS_PATH);
String callFormat;
// Ask the user where to save the call.
if ((savedCallsPath == null) || (savedCallsPath.length() == 0)) {
/*
* Delay the initialization of callFileChooser in order to delay the
* creation of the recorder.
*/
if (callFileChooser == null) {
callFileChooser =
GenericFileDialog.create(
null,
resources.getI18NString("plugin.callrecordingconfig.SAVE_CALL"),
SipCommFileChooser.SAVE_FILE_OPERATION);
callFileChooser.addFilter(
new SipCommFileFilter() {
@Override
public boolean accept(File f) {
return f.isDirectory() || isSupportedFormat(f);
}
@Override
public String getDescription() {
StringBuilder description = new StringBuilder();
description.append("Recorded call");
Recorder recorder;
try {
recorder = getRecorder();
} catch (OperationFailedException ofex) {
logger.error("Failed to get Recorder", ofex);
recorder = null;
}
if (recorder != null) {
List<String> supportedFormats = recorder.getSupportedFormats();
if (supportedFormats != null) {
description.append(" (");
boolean firstSupportedFormat = true;
for (String supportedFormat : supportedFormats) {
if (firstSupportedFormat) firstSupportedFormat = false;
else description.append(", ");
description.append("*.");
description.append(supportedFormat);
}
description.append(')');
}
}
return description.toString();
}
});
}
// Offer a default name for the file to record into.
callFileChooser.setStartPath(createDefaultFilename(null));
File selectedFile = callFileChooser.getFileFromDialog();
if (selectedFile != null) {
callFilename = selectedFile.getAbsolutePath();
/*
* If the user specified no extension (which seems common on Mac
* OS X at least) i.e. no format, then it is not obvious that we
* have to override the set Recorder.CALL_FORMAT.
*/
callFormat = SoundFileUtils.getExtension(selectedFile);
if ((callFormat != null) && (callFormat.length() != 0)) {
/*
* If the use has specified an extension and thus a format
* which is not supported, use a default format instead.
*/
if (!isSupportedFormat(selectedFile)) {
/*
* If what appears to be an extension seems a lot like
* an extension, then it should be somewhat safer to
* replace it.
*/
if (SoundFileUtils.isSoundFile(selectedFile)) {
callFilename = callFilename.substring(0, callFilename.lastIndexOf('.'));
}
String configuredFormat = configuration.getString(Recorder.FORMAT);
callFormat =
(configuredFormat != null && configuredFormat.length() != 0)
? configuredFormat
: SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
callFilename += '.' + callFormat;
}
configuration.setProperty(Recorder.FORMAT, callFormat);
}
} else {
// user canceled the recording
return false;
}
} else {
callFilename = createDefaultFilename(savedCallsPath);
callFormat = SoundFileUtils.getExtension(new File(callFilename));
}
Throwable exception = null;
try {
Recorder recorder = getRecorder();
if (recorder != null) {
if ((callFormat == null) || (callFormat.length() <= 0))
callFormat = SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
recorder.start(callFormat, callFilename);
}
this.recorder = recorder;
} catch (IOException ioex) {
exception = ioex;
} catch (MediaException mex) {
exception = mex;
} catch (OperationFailedException ofex) {
exception = ofex;
}
if ((recorder == null) || (exception != null)) {
logger.error(
"Failed to start recording call " + call + " into file " + callFilename, exception);
return false;
} else return true;
}
}