/*
* Reads information about the installed midlet suite's component
* from the storage.
*
* @param componentId unique ID of the component
* @param ci ComponentInfo object to fill with the information about
* the midlet suite's component having the given ID
*
* @exception IOException if an the information cannot be read
* @exception IllegalArgumentException if suiteId is invalid or ci is null
*/
KNIEXPORT KNI_RETURNTYPE_VOID
KNIDECL(
com_sun_midp_midletsuite_DynamicComponentStorage_getComponentInfo) {
ComponentIdType componentId = KNI_GetParameterAsInt(1);
MIDPError status = ALL_OK;
KNI_StartHandles(3);
KNI_DeclareHandle(componentInfoObject);
KNI_DeclareHandle(componentInfoClass);
KNI_DeclareHandle(tmpHandle);
KNI_GetParameterAsObject(2, componentInfoObject);
KNI_GetObjectClass(componentInfoObject, componentInfoClass);
do {
char *pszError = NULL;
MidletSuiteData *pData = NULL;
/* Ensure that suite data are read */
status = read_suites_data(&pszError);
storageFreeError(pszError);
if (status != ALL_OK) {
break;
}
pData = get_component_data(componentId);
if (!pData) {
status = NOT_FOUND;
break;
}
KNI_RESTORE_INT_FIELD(componentInfoObject, componentInfoClass,
"componentId", componentId);
KNI_RESTORE_INT_FIELD(componentInfoObject, componentInfoClass,
"suiteId", pData->suiteId);
KNI_RESTORE_PCSL_STRING_FIELD(componentInfoObject, componentInfoClass,
"displayName",
&(pData->varSuiteData.displayName),
tmpHandle);
KNI_RESTORE_PCSL_STRING_FIELD(componentInfoObject, componentInfoClass,
"version",
&(pData->varSuiteData.suiteVersion),
tmpHandle);
KNI_RESTORE_BOOLEAN_FIELD(componentInfoObject, componentInfoClass,
"trusted", pData->isTrusted);
} while (0);
if (status != ALL_OK) {
if (status == NOT_FOUND) {
KNI_ThrowNew(midpIllegalArgumentException, "bad component ID");
} else {
KNI_ThrowNew(midpIOException, NULL);
}
}
KNI_EndHandles();
KNI_ReturnVoid();
}
/**
* Tells if a given suite is in a list of the installed suites.
*
* @param suiteId unique ID of the midlet suite
*
* @return ALL_OK if the suite is in the list of the installed suites,
* NOT_FOUND if not,
* IO_ERROR if an i/o error occured when reading the information
* about the installed suites,
* OUT_OF_MEMORY if out of memory or IO error,
* SUITE_CORRUPTED_ERROR is suite is found in the list, but it's
* corrupted.
*/
static MIDPError
suite_in_list(ComponentType type, SuiteIdType suiteId,
ComponentIdType componentId) {
MIDPError status;
char* pszError;
MidletSuiteData* pData;
#if !ENABLE_DYNAMIC_COMPONENTS
/** to supress compilation warnings */
(void)type;
(void)componentId;
#endif
/* load _suites.dat */
status = read_suites_data(&pszError);
storageFreeError(pszError);
if (status != ALL_OK) {
return status;
}
#if ENABLE_DYNAMIC_COMPONENTS
if (type == COMPONENT_DYNAMIC) {
pData = get_component_data(componentId);
if (pData == NULL) {
status = NOT_FOUND;
}
} else {
#endif /* ENABLE_DYNAMIC_COMPONENTS */
pData = get_suite_data(suiteId);
if (pData != NULL) {
/*
* Make sure that suite is not corrupted. Return
* SUITE_CORRUPTED_ERROR if the suite is corrupted.
* Remove the suite before returning the status.
*/
status = check_for_corrupted_suite(suiteId);
} else {
status = NOT_FOUND;
}
#if ENABLE_DYNAMIC_COMPONENTS
}
#endif
return status;
}
/**
* Native method void removeComponent(int componentId) of
* com.sun.midp.midletsuite.DynamicComponentStorage.
* <p>
* Removes a dynamic component given its ID.
* <p>
* If the component is in use it must continue to be available
* to the other components that are using it.
*
* @param componentId ID of the component ot remove
*
* @throws IllegalArgumentException if the component cannot be found
* @throws MIDletSuiteLockedException is thrown, if the component is
* locked
*/
KNIEXPORT KNI_RETURNTYPE_VOID
KNIDECL(com_sun_midp_midletsuite_DynamicComponentStorage_removeComponent) {
MIDPError status;
MidletSuiteData* pData;
ComponentIdType componentId = KNI_GetParameterAsInt(1);
do {
/* check that the component exists */
pData = get_component_data(componentId);
if (pData == NULL) {
status = NOT_FOUND;
break;
}
status = begin_transaction(TRANSACTION_REMOVE_COMPONENT,
componentId, NULL);
if (status != ALL_OK) {
break;
}
status = delete_components_files(pData->suiteId, componentId);
if (status != ALL_OK) {
break;
}
(void)remove_from_component_list_and_save(pData->suiteId, componentId);
} while(0);
(void)finish_transaction();
if (status == SUITE_LOCKED) {
KNI_ThrowNew(midletsuiteLocked, NULL);
} else if (status == BAD_PARAMS || status == NOT_FOUND) {
KNI_ThrowNew(midpIllegalArgumentException, "bad component ID");
} else if (status != ALL_OK) {
KNI_ThrowNew(midpRuntimeException,
(status == OUT_OF_MEMORY) ? "Out of memory!" : "Remove failed");
}
KNI_ReturnVoid();
}
