/**
* Selects application uid from Nokia-MIDlet-UID attribute.
*
* @return uid if attribute specifies it, null otherwise.
* @throws InstallerException if attribute exists and is not valid or specified uid is already in
* use.
*/
private Uid selectAppUidFromAttribute(InstallBall aBall, int aIndex) {
Uid uid = null;
String appUidAttrName = MIDLET_UID_ATTR_NAME + aIndex;
String appUidAttrValue = aBall.getAttributeValue(appUidAttrName);
if (appUidAttrValue != null) {
uid = PlatformUid.createUid(appUidAttrValue);
if (uid == null) {
Log.logError("Invalid " + appUidAttrName + " attribute value: " + appUidAttrValue);
throw new InvalidAttributeException(
InstallerErrorMessage.INST_CORRUPT_PKG,
null,
InstallerDetailedErrorMessage.ATTR_BAD_SYNTAX,
new String[] {appUidAttrName},
(aBall.attributeExistsInJad(appUidAttrName)
? OtaStatusCode.INVALID_DESCRIPTOR
: OtaStatusCode.INVALID_JAR));
}
boolean uidInJad = aBall.attributeExistsInJad(appUidAttrName);
// If jar file is not yet present, assume that uid
// will be present in jar.
boolean uidInJar = true;
if (aBall.iJarFilename != null) {
uidInJar = aBall.attributeExistsInJar(appUidAttrName);
}
if (uidInJar && !uidInJad && aBall.iJadAttributes != null) {
// If Uid is specified in jar but not in jad
// it must be ignored. Getting applications
// through Java Verified process requires
// that applications using protected Uids
// can be installed as untrusted (without jad).
Log.logWarning(appUidAttrName + " attribute present in jar but not in jad, ignoring it");
uid = null;
}
if (uid != null) {
// Check that uid is valid.
PlatformUid.checkValidity(
appUidAttrName, uid, aBall.iSuite.isTrusted(), uidInJad, uidInJar);
// Check that uid is not already in use.
if (appUidInUse(uid, aBall) || appUidInUse(uid, aBall.iSuite)) {
Log.logError("Uid " + uid + " is already in use");
throw new InvalidAttributeException(
InstallerErrorMessage.INST_CORRUPT_PKG,
null,
InstallerDetailedErrorMessage.ATTR_HANDLING_FAILED,
new String[] {appUidAttrName},
(aBall.attributeExistsInJad(appUidAttrName)
? OtaStatusCode.INVALID_DESCRIPTOR
: OtaStatusCode.INVALID_JAR));
}
}
aBall.log("Selected app uid from " + appUidAttrName + " attribute: " + uid);
}
return uid;
}
/** Reads a Uid from specified InputStream. */
private static Uid readUid(InputStream aInputStream) throws IOException {
int uid = 0;
for (int i = 0; i < 4; i++) {
uid |= (aInputStream.read() << i * 8);
}
return PlatformUid.createUid(uid);
}