/**
* Process an Execute event to start a new MIDlet. If the MIDlet is already in the ProxyList it
* will <strong>not</strong> start it again. If the MIDlet/Isolate has decided to exit but has not
* yet sent the remove event the execute will be unreliable.
*
* @param genericEvent event to process
*/
public void process(Event genericEvent) {
// Verify that the requested MIDlet is not already running
// (is not in the MIDletProxyList)
if (MIDletProxyList.getMIDletProxyList().isMidletInList(id, midlet)) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING, LogChannels.LC_CORE, "MIDlet already running; execute ignored");
}
return;
}
try {
// The execute MIDlet method may block
NativeEvent event = (NativeEvent) genericEvent;
ExecuteMIDletEventListener runnable =
new ExecuteMIDletEventListener(
event.intParam1,
event.intParam2,
event.stringParam1,
event.stringParam2,
event.stringParam3,
event.stringParam4,
event.stringParam5);
(new Thread(runnable)).start();
} catch (Throwable t) {
Logging.trace(t, "Error creating a new Execute thread");
}
}
/**
* Clear the fields of the saved connection and release any system resources. Any open input and
* output streams are closed as well as the connection itself.
*/
public void close() {
try {
if (m_data_output_stream != null) {
m_data_output_stream.close();
m_data_output_stream = null;
}
if (m_data_input_stream != null) {
m_data_input_stream.close();
m_data_input_stream = null;
}
if (m_stream != null) {
m_stream.close();
m_stream = null;
}
} catch (IOException ioe) {
/*
* No special processing for errors, since the
* the cached connection is no longer in use, and
* the server may already have shutdown its end
* of the connection.
*/
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(Logging.WARNING, LogChannels.LC_PROTOCOL, "IOException while close");
}
}
}
/**
* Handles exceptions happened during MIDlet suite execution.
*
* @param t exception instance
*/
public void handleException(Throwable t) {
t.printStackTrace();
int errorCode = getErrorCode(t);
if (Logging.TRACE_ENABLED) {
Logging.trace(t, "Exception caught in CdcMIDletSuiteLoader");
}
reportError(errorCode, t.getMessage());
}
/** Get the settings the Manager saved for the user. */
private void restoreSettings() {
ByteArrayInputStream bas;
DataInputStream dis;
byte[] data;
RecordStore settings = null;
try {
settings = RecordStore.openRecordStore(GraphicalInstaller.SETTINGS_STORE, false);
data = settings.getRecord(1);
if (data != null) {
bas = new ByteArrayInputStream(data);
dis = new DataInputStream(bas);
defaultInstallListUrl = dis.readUTF();
}
} catch (RecordStoreException e) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING, LogChannels.LC_AMS, "restoreSettings threw a RecordStoreException");
}
} catch (IOException e) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(Logging.WARNING, LogChannels.LC_AMS, "restoreSettings threw an IOException");
}
} finally {
if (settings != null) {
try {
settings.closeRecordStore();
} catch (RecordStoreException e) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_AMS,
"closeRecordStore threw a RecordStoreException");
}
}
}
}
}
/**
* Updates CommandState status and displays proper exception message to user
*
* @param errorCode generic error code
* @param details text with error details
*/
protected void reportError(int errorCode, String details) {
String errorMsg = getErrorMessage(errorCode);
if (details != null) {
errorMsg += "\n\n" + details;
}
displayException(errorMsg);
// Error message is always obtained for logging
if (Logging.REPORT_LEVEL <= Logging.ERROR) {
Logging.report(Logging.ERROR, LogChannels.LC_CORE, errorMsg);
}
}
/** Processes an execute MIDlet event outside of the event thread. */
public void run() {
try {
MIDletSuiteUtils.executeWithArgs(
classSecurityToken, externalAppId, id, midlet, displayName, arg0, arg1, arg2);
} catch (Throwable t) {
if (Logging.TRACE_ENABLED) {
Logging.trace(t, "Exception calling MIDletSuiteLoader.execute");
}
MIDletSuiteUtils.displayException(
displayEventHandler,
Resource.getString(ResourceConstants.AMS_MIDLETSUITELDR_CANT_EXE_NEXT_MIDLET)
+ "\n\n"
+ t.getMessage());
}
}
/**
* Creates MIDlet suite instance by suite ID
*
* @return MIDlet suite to load
* @throws Exception in the case MIDlet suite can not be created because of a security reasons or
* some problems related to suite storage
*/
protected MIDletSuite createMIDletSuite() throws Exception {
MIDletSuiteStorage storage;
MIDletSuite suite = null;
storage = MIDletSuiteStorage.getMIDletSuiteStorage(internalSecurityToken);
if (suiteId == MIDletSuite.INTERNAL_SUITE_ID) {
// assume a class name of a MIDlet in the classpath
suite = InternalMIDletSuiteImpl.create(storage, midletDisplayName, suiteId);
} else {
suite = storage.getMIDletSuite(suiteId, false);
Logging.initLogSettings(suiteId);
}
return suite;
}
/** Set the next capital mode for this input method */
protected void nextCapsMode() {
if (Logging.REPORT_LEVEL <= Logging.INFORMATION) {
Logging.report(Logging.INFORMATION, LogChannels.LC_HIGHUI, "[A.nextCapsMode]");
}
capsModePointer++;
if (capsModePointer == CAPS_MODES.length) {
capsModePointer = 0;
}
if (CAPS_MODES[capsModePointer] == CAPS_OFF) {
keyMap = lowerKeyMap;
} else {
keyMap = upperKeyMap;
}
mediator.subInputModeChanged();
}
/**
* Run the refresh thread.
*
* @see java.lang.Runnable#run()
*/
public void run() {
Request clonedRequest = (Request) request.clone();
// setRequestHeaders(clonedRequest);
request = null;
try {
updateAndSendRequest(clonedRequest);
} catch (Exception ex) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_JSR180,
"RefreshTask.run(): can't send a message: " + ex);
}
}
}
/**
* Splits a classpath into elements using the <code>path.separator</code> system property.
*
* @param elements the <code>Vector</code> to which to add the classpath elements
* @param classpath the classpath to split
*/
private static void splitClassPath(final Vector elements, final String classpath) {
String separator = System.getProperty("path.separator");
if (separator == null) {
// defaults to ';'
separator = ";";
Logging.report(
Logging.ERROR,
LogChannels.LC_AMS,
"No \"path.separator\" defined! Using \"" + separator + "\"!");
}
int index = classpath.indexOf(separator);
int offset = 0;
while (index != -1) {
addClassPathElement(elements, classpath, offset, index);
offset = index + separator.length();
index = classpath.indexOf(separator, offset);
}
addClassPathElement(elements, classpath, offset, classpath.length());
}
/**
* Starts a MIDlet in a new Isolate. Check that the MIDlet is is not realy running and is not
* already being started. If so, return immediately.
*
* @param midletSuiteStorage midletSuiteStorage for obtaining a classpath
* @param externalAppId ID of MIDlet to invoke, given by an external application manager
* @param id ID of an installed suite
* @param midlet class name of MIDlet to invoke
* @param displayName name to display to the user
* @param arg0 if not null, this parameter will be available to the MIDlet as application property
* arg-0
* @param arg1 if not null, this parameter will be available to the MIDlet as application property
* arg-1
* @param arg2 if not null, this parameter will be available to the MIDlet as application property
* arg-2
* @param memoryReserved the minimum amount of memory guaranteed to be available to the isolate at
* any time; < 0 if not used
* @param memoryTotal the total amount of memory that the isolate can reserve; < 0 if not used
* @param priority priority to set for the new isolate; <= 0 if not used
* @param profileName name of the profile to set for the new isolate; null if not used
* @param debugMode debug option for the new isolate, one of: MIDP_NO_DEBUG, MIDP_DEBUG_SUSPEND,
* MIDP_DEBUG_NO_SUSPEND
* @return Isolate that the MIDlet suite was started in; <code>null</code> if the MIDlet is
* already running
*/
private static Isolate startMidletCommon(
MIDletSuiteStorage midletSuiteStorage,
int externalAppId,
int id,
String midlet,
String displayName,
String arg0,
String arg1,
String arg2,
int memoryReserved,
int memoryTotal,
int priority,
String profileName,
int debugMode) {
Isolate isolate;
String[] args = {
Integer.toString(id),
midlet,
displayName,
arg0,
arg1,
arg2,
Integer.toString(externalAppId),
String.valueOf(debugMode)
};
String[] classpath = midletSuiteStorage.getMidletSuiteClassPath(id);
if (classpath[0] == null) {
if (id == MIDletSuite.INTERNAL_SUITE_ID) {
/*
* Avoid a null pointer exception, rommized midlets don't need
* a classpath.
*/
classpath[0] = "";
} else {
throw new IllegalArgumentException("Suite " + id + " not found");
}
}
Vector cpExtElements = new Vector();
String isolateClassPath = System.getProperty("classpathext");
if (isolateClassPath != null) {
splitClassPath(cpExtElements, isolateClassPath);
}
/*
* Include paths to dynamic components belonging to this suite
* and to the "internal" suite (actually, to AMS) into class
* path for the new Isolate.
*/
DynamicComponentStorage componentStorage = DynamicComponentStorage.getComponentStorage();
ComponentInfo[] ci = componentStorage.getListOfSuiteComponents(id);
ComponentInfo[] ciAms =
componentStorage.getListOfSuiteComponents(MIDletSuite.INTERNAL_SUITE_ID);
int numOfComponents = 0;
// calculate the number of the components to be added to the class path
if (ci != null) {
numOfComponents += ci.length;
}
if (ciAms != null) {
numOfComponents += ciAms.length;
}
if (numOfComponents > 0) {
Vector ciVector = new Vector(numOfComponents);
// add the suite's own components
if (ci != null) {
for (int i = 0; i < ci.length; i++) {
ciVector.addElement(ci[i]);
}
}
// add the shared (belonging to AMS) components
if (ciAms != null) {
for (int i = 0; i < ciAms.length; i++) {
ciVector.addElement(ciAms[i]);
}
}
/*
* IMPL_NOTE: currently is assumed that each component may have
* not more than 1 entry in class path.
* Later it will be possible to have 2: 1 for MONET.
* + 1 is for System.getProperty("classpathext").
*/
int n = 0;
try {
for (int i = 0; i < ciVector.size(); i++) {
final ComponentInfo nextComponent = ((ComponentInfo) ciVector.elementAt(i));
final String[] componentPath =
componentStorage.getComponentClassPath(nextComponent.getComponentId());
if (componentPath != null) {
for (int j = 0; j < componentPath.length; j++) {
cpExtElements.addElement(componentPath[j]);
++n;
}
}
}
} catch (Exception e) {
/*
* if something is wrong with a dynamic component, just
* don't use the components, this error is not fatal
*/
cpExtElements.setSize(cpExtElements.size() - n);
if (Logging.REPORT_LEVEL <= Logging.ERROR) {
e.printStackTrace();
Logging.report(
Logging.ERROR,
LogChannels.LC_AMS,
"Cannot use a dynamic component when starting '"
+ midlet
+ "' from the suite with id = "
+ id);
}
}
}
try {
StartMIDletMonitor app = StartMIDletMonitor.okToStart(id, midlet);
if (app == null) {
// Isolate is already running; don't start it again
return null;
}
final String[] classpathext = new String[cpExtElements.size()];
cpExtElements.copyInto(classpathext);
isolate =
new Isolate(
"com.sun.midp.main.AppIsolateMIDletSuiteLoader", args, classpath, classpathext);
app.setIsolate(isolate);
} catch (Throwable t) {
t.printStackTrace();
throw new RuntimeException("Can't create Isolate****");
}
try {
int reserved, limit;
if (memoryReserved >= 0) {
reserved = memoryReserved;
} else {
reserved = Constants.SUITE_MEMORY_RESERVED * 1024;
}
if (memoryTotal > 0) {
limit = memoryTotal;
} else {
limit = Constants.SUITE_MEMORY_LIMIT;
if (limit < 0) {
limit = isolate.totalMemory();
} else {
limit = limit * 1024;
}
int heapSize = getMidletHeapSize(id, midlet);
if ((heapSize > 0) && (heapSize < limit)) {
limit = heapSize;
}
}
isolate.setMemoryQuota(reserved, limit);
if (priority >= Isolate.MIN_PRIORITY) {
isolate.setPriority(priority);
}
if (profileName != null) {
IsolateUtil.setProfile(isolate, profileName);
}
isolate.setDebug(debugMode);
isolate.setAPIAccess(true);
isolate.start();
// Ability to launch midlet implies right to use Service API
// for negotiations with isolate being run
Link[] isolateLinks = SystemServiceLinkPortal.establishLinksFor(isolate, getTrustedToken());
LinkPortal.setLinks(isolate, isolateLinks);
} catch (Throwable t) {
int errorCode;
String msg;
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
t.printStackTrace();
}
if (t instanceof IsolateStartupException) {
/*
* An error occured in the
* initialization or configuration of the new isolate
* before any application code is invoked, or if this
* Isolate was already started or is terminated.
*/
errorCode = Constants.MIDLET_ISOLATE_CONSTRUCTOR_FAILED;
msg = "Can't start Application.";
} else if (t instanceof IsolateResourceError) {
/* The system has exceeded the maximum Isolate count. */
errorCode = Constants.MIDLET_ISOLATE_RESOURCE_LIMIT;
msg = "No more concurrent applications allowed.";
} else if (t instanceof IllegalArgumentException) {
/* Requested profile doesn't exist. */
errorCode = Constants.MIDLET_ISOLATE_CONSTRUCTOR_FAILED;
msg = "Invalid profile name: " + profileName;
} else if (t instanceof OutOfMemoryError) {
/* The reserved memory cannot be allocated */
errorCode = Constants.MIDLET_OUT_OF_MEM_ERROR;
msg = "Not enough memory to run the application.";
} else {
errorCode = Constants.MIDLET_ISOLATE_CONSTRUCTOR_FAILED;
msg = t.toString();
}
midletControllerEventProducer.sendMIDletStartErrorEvent(
id, midlet, externalAppId, errorCode, msg);
throw new RuntimeException(msg);
}
return isolate;
}
/**
* Get the list of suites for the user to install. The suites that are listed are the links on a
* web page that end with .jad.
*/
public void run() {
StreamConnection conn = null;
InputStreamReader in = null;
String errorMessage;
long startTime;
startTime = System.currentTimeMillis();
try {
parent.displayProgressForm(
Resource.getString(ResourceConstants.AMS_DISC_APP_GET_INSTALL_LIST),
"",
url,
0,
Resource.getString(ResourceConstants.AMS_GRA_INTLR_CONN_GAUGE_LABEL));
conn = (StreamConnection) Connector.open(url, Connector.READ);
in = new InputStreamReader(conn.openInputStream());
try {
parent.updateProgressForm(
"", 0, Resource.getString(ResourceConstants.AMS_DISC_APP_GAUGE_LABEL_DOWNLOAD));
parent.installList = SuiteDownloadInfo.getDownloadInfoFromPage(in);
if (parent.installList.size() > 0) {
parent.installListBox =
new List(
Resource.getString(ResourceConstants.AMS_DISC_APP_SELECT_INSTALL),
Choice.IMPLICIT);
// Add each suite
for (int i = 0; i < parent.installList.size(); i++) {
SuiteDownloadInfo suite = (SuiteDownloadInfo) installList.elementAt(i);
parent.installListBox.append(suite.label, (Image) null);
}
parent.installListBox.addCommand(parent.backCmd);
parent.installListBox.addCommand(parent.installCmd);
parent.installListBox.setCommandListener(parent);
/*
* We need to prevent "flashing" on fast development
* platforms.
*/
while (System.currentTimeMillis() - parent.lastDisplayChange
< GraphicalInstaller.ALERT_TIMEOUT) ;
parent.display.setCurrent(parent.installListBox);
return;
}
errorMessage = Resource.getString(ResourceConstants.AMS_DISC_APP_CHECK_URL_MSG);
} catch (IllegalArgumentException ex) {
errorMessage = Resource.getString(ResourceConstants.AMS_DISC_APP_URL_FORMAT_MSG);
} catch (Exception ex) {
errorMessage = ex.getMessage();
}
} catch (Exception ex) {
errorMessage = Resource.getString(ResourceConstants.AMS_DISC_APP_CONN_FAILED_MSG);
} finally {
if (parent.progressForm != null) {
// end the background thread of progress gauge.
Gauge progressGauge = (Gauge) parent.progressForm.get(parent.progressGaugeIndex);
progressGauge.setValue(Gauge.CONTINUOUS_IDLE);
}
try {
conn.close();
in.close();
} catch (Exception e) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(Logging.WARNING, LogChannels.LC_AMS, "close threw an Exception");
}
}
}
Alert a =
new Alert(
Resource.getString(ResourceConstants.ERROR), errorMessage, null, AlertType.ERROR);
a.setTimeout(Alert.FOREVER);
parent.display.setCurrent(a, parent.urlTextBox);
}
/**
* Sets appropriate CSeq and Via headers in the given request preparing it for sending.
*
* @param clonedRequest the request to modify
*/
public synchronized void setRequestHeaders(Request clonedRequest) {
// RFC 3261, section 10.2.4, Refreshing Bindings:
// "A UA SHOULD use the same Call-ID for all registrations during a
// single boot cycle".
//
// Call-Id header was added in SipClientConnectionImpl.send()
// when the initial request was sent. This is the reason why
// Call-Id header is not added here.
// Update the CSeq header. RFC 3261, p. 58:
// A UA MUST increment the CSeq value by one for each
// REGISTER request with the same Call-ID.
CSeqHeader cseq = clonedRequest.getCSeqHeader();
if (cseq != null) {
cseq.setSequenceNumber(cseq.getSequenceNumber() + 1);
} else {
// log an error
if (Logging.REPORT_LEVEL <= Logging.ERROR) {
Logging.report(
Logging.ERROR,
LogChannels.LC_JSR180,
"RefreshTask.run(): The request doesn't " + "contain CSeq header!");
}
}
// ViaHeader
clonedRequest.removeHeader(ViaHeader.NAME);
Vector viaHeaders = new Vector();
try {
ViaHeader viaHeader =
StackConnector.headerFactory.createViaHeader(
sipConnectionNotifier.getLocalAddress(),
sipConnectionNotifier.getLocalPort(),
((SipConnectionNotifierImpl) sipConnectionNotifier)
.getSipProvider()
.getListeningPoint()
.getTransport(),
null);
viaHeaders.addElement(viaHeader);
} catch (ParseException ex) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_JSR180,
"RefreshTask.run(): can't create Via header: " + ex);
}
} catch (IOException ioe) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_JSR180,
"RefreshTask.run(): can't create Via header: " + ioe);
}
}
try {
clonedRequest.setVia(viaHeaders);
} catch (SipException ex) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_JSR180,
"RefreshTask.run(): can't set Via header: " + ex);
}
}
}
