Functions

Parameters

XJavaConsoleMessageHandler* phnd Pointer to a console message handler object; if NULL is passed, then a default message handler is beeing installed. int argc Number of arguments that shall be passed to the Java runtime system. char** argv Array with strings containing the parameters; possible parameters are: -v|-verbose turn on verbose mode -debug enable remote Java debugging -noasyncgc don't allow asynchronous gc's -verbosegc print a message when gc occur -ssnumber set the C stack size of a process -ossnumber set the JAVA stack size of a process -msnumber set the initial Java heap size -mxnumber set the maximum Java heap size -classpath directories separated by semicolons list directories in which to look for classes -prof output profiling data to ./java.prof -verify verify all classes when read in -verifyremote verify classes read in over the network [default] -noverify do not verify any class

Remarks

The constructor of XJavaEnvironment initializes the Java virtual machines.

Remarks

Constructor for the XJavaEnvironment class.

Parameters

int rc Error number; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Opens a message box and displays an error message

Return-Value

XJavaEnvironment* pJEnv pointer to the actual Java environment object.

Remarks

Queries the pointer to the actual Java environment object.

Return-Value

XJavaConsoleMessageHandler* pMsgHandler Pointer to the actual console message handler object.

Remarks

Queries the pointer to the actual console message handler object.

Parameters

const char* key Name of the key (refer to the Java documentation) char* value Value that the key has int buflen Length of the buffer for the value int* pvallen Real length of the key value

Return-Value

An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Queries a property value from the Java runtime system.

Parameters

XWindow* owner Pointer to the window object to which the handler belongs to.

Return-Value

Pointer to the actual url show handler object.

Remarks

Queries the pointer to the actual url show handler object.

Parameters

XWindow* owner Pointer to the window object to which the handler belongs to.

Return-Value

Pointer to the actual status message handler.

Remarks

Queries the pointer to the actual status message handler object.

Return-Value

int* piMajor The major version number. int* piMinor The Minor version number. An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Queries the version of J-Empower.

Parameters

XWindow* pOwnerWnd - Owner window of the applets

Return-Value

An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Notifies the applets of a window that the window has been minimized.

Parameters

XJavaConsoleMessageHandler* handler pointer to the handler object

Return-Value

An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Sets a new console message handler object. Please remember to delete the old message handler object if there is one.

Parameters

const char* key Name of the key (refer to the Java documentation) char* value New value that the key has

Return-Value

An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Sets a property value of the Java runtime system.

Parameters

XWindow* wnd pointer to the window object that holds an applet XJavaShowURLHandler* hnd pointer to the handler object

Return-Value

An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Sets a new console url show handler object. Please remember to delete the old handler object if there is one.

Parameters

XWindow* wnd pointer to the window object that holds an applet XJavaStatusMsgHandler* hnd pointer to the handler object

Return-Value

An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Sets a new status message handler object. Please remember to delete the old handler object if there is one.

Parameters

XWindow* pOwnerWnd - Owner window of the applets

Return-Value

An error code is return; possible values are: JAVA_OK no error JAVA_INVALID_APPLET inavlid applet code given JAVA_INVALID_CONTEXT inavlid applet context given JAVA_INVALID_PARAMETER invalid parameter JAVA_ALREADY_INITIALIZED Java runtime system already initialized JAVA_OUT_OF_MEMORY out of memory JAVA_EXCEPTION_OCCURRED Java exception occurred JAVA_NOT_INITIALIZED Java runtime system not initialized JAVA_INTERNAL_ERROR internal Java error

Remarks

Notifies the applets of a window that the window has been restored.