COBOLException

Java Support Classes for COBOL

runtimeObject

mfcobol
Class runtime

java.lang.Object
  |
  +--mfcobol.runtime

Direct Known Subclasses:

runtimeObject

public class runtime

extends java.lang.Object

Object COBOL Java domain

Since:

JDK1.1

Field Summary

static short	A_BLINK Screen attribute flag
static short	A_BOLD Screen attribute flag
static short	A_DIM Screen attribute flag
static short	A_NORMAL Screen attribute flag
static short	A_REVERSE Screen attribute flag
static short	A_UNDER Screen attribute flag
static int	BY_CONTENT BY_CONTENT is used in non-OO calls to COBOL in the usageDescription array.
static int	BY_REFERENCE BY_REFERENCE is used in non-OO calls to COBOL in the usageDescription array.
static int	BY_VALUE BY_VALUE is used in non-OO calls to COBOL in the usageDescription array.
protected static long	cblClassHandle COBOL proxy class handle, if one exists
protected long	cblInstanceHandle COBOL proxy instance handle, if one exists
protected static boolean	isWindows Running under Windows operating system
protected static java.lang.String	osName Operating system name

Constructor Summary

runtime()

Method Summary

static void	ccall(java.lang.Object retValue, java.lang.String program, java.lang.Object[] array, int[] usageDescription) Calls a c function with a set of parameters which returns an object as a parameter
static int	ccall(java.lang.String program, java.lang.Object[] array, int[] usageDescription) Calls a c function with a set of parameters which returns an object as a parameter
static void	cobaddstr(int attribute, java.lang.String name) Displays the specified string on the screen at the virutal cursor's current position.
static void	cobaddstr(java.lang.String name) Displays the specified string on the screen at the virutal cursor's current position.
static void	cobassocclass(java.lang.String fileName, java.lang.Class javaClass) Associates a Java class and COBOL class
static void	cobassocclass(java.lang.String fileName, java.lang.String javaClass) Associates a Java class and COBOL class
static boolean	cobcall_boolean(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a boolean
static java.lang.Boolean	cobcall_Boolean(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a Boolean
static byte	cobcall_byte(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a String
static java.lang.Byte	cobcall_Byte(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a Byte
static float	cobcall_float(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a float
static java.lang.Float	cobcall_Float(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a Float
static int	cobcall_int(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a int
static java.lang.Integer	cobcall_Integer(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a Integer
static void	cobcall_object(java.lang.Object retValue, java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns an object
static short	cobcall_short(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a short
static java.lang.Short	cobcall_Short(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a Short
static java.lang.String	cobcall_String(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a String
static void	cobcall(java.lang.Object retValue, java.lang.String program, java.lang.Object[] array, int[] usageDescription) Calls a COBOL function with a set of parameters which returns an object * as a parameter
static void	cobcall(java.lang.Object retValue, java.lang.String program, java.lang.Object[] array, int[] usageDescription, boolean passJNIEnv_and_self) Calls a COBOL function with a set of parameters which returns an object * as a parameter
static int	cobcall(java.lang.String program, java.lang.Object[] array) Calls a COBOL program with a set of parameters which returns a int
static void	cobcancel(java.lang.String program) Causes the runtime to CANCEL the program specified.
static void	cobclear() Clears the screen and positions the cursor at line 0, column 0 strings.
static int	cobcols() Returns the number of columns on the screen
static void	cobfinalize(java.lang.Object o) Destroys a COBOL proxy object
static char	cobgetch() Gets a character from the keyboard
static java.lang.String	cobgetenv(java.lang.String name) Allows you to find a COBOL/System environment variable
boolean	cobinvoke_boolean(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning a boolean
byte	cobinvoke_byte(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning a byte
char	cobinvoke_char(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning a char
double	cobinvoke_double(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning a double
float	cobinvoke_float(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning a float
int	cobinvoke_int(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning an int
long	cobinvoke_long(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning a long
java.lang.Object	cobinvoke_object(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning an object
short	cobinvoke_short(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters returning a short
void	cobinvoke_void(java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL instance with a set of parameters
static boolean	cobinvokestatic_boolean(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning a boolean
static byte	cobinvokestatic_byte(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning a byte
static char	cobinvokestatic_char(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning a char
static double	cobinvokestatic_double(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning a double
static float	cobinvokestatic_float(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning a float
static int	cobinvokestatic_int(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning an int
static long	cobinvokestatic_long(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning a long
static java.lang.Object	cobinvokestatic_object(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning an object
static short	cobinvokestatic_short(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters returning a short
static void	cobinvokestatic_void(java.lang.Class classObject, java.lang.String methodName, java.lang.Object[] params) Invokes a COBOL class with a set of parameters
static int	coblines() Returns the number of lines on the screen
static int	cobload(java.lang.String libName, java.lang.String fileName) Loads a COBOL library and/or program
static int	cobloadclass(java.lang.String libName, java.lang.String fileName) Loads a COBOL library and/or a class within that library.
static int	cobloadclass(java.lang.String libName, java.lang.String fileName, java.lang.Class javaClass) Loads a COBOL library and/or a class within that library and associates it with a particular Java class.
static int	cobloadclass(java.lang.String libName, java.lang.String fileName, java.lang.String javaClassname) Loads a COBOL library and/or a class within that library and associates it with a particular Java class of a given name.
static void	cobmove(int y, int x) Returns the number of lines on the screen
static int	cobputenv(java.lang.String name) Allows you to dynamically change the COBOL environment a runtime
static int	cobrescanenv() Causes the runtime to rescan the environment for COBOL environment strings.
static void	cobtidy() Causes the runtime to tidy itself up.
static void	main(java.lang.String[] args) Run this class in order to obtain the COBJVM environment variable for the current Java installation Setup CLASSPATH to include mfcobol.jar and use: java -Dmfcobol.getcobjvmenv=off mfcobol.runtime

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BY_VALUE

public static final int BY_VALUE

BY_VALUE is used in non-OO calls to COBOL in the usageDescription array. BY_REFERENCE is the default if usageDescription is not used

See Also:

cobcall(Object retValue, String program, Object[] array, int[] usageDescription), ccall(Object retValue, String program, Object[] array, int[] usageDescription), ccall(String program, Object[] array, int[] usageDescription)

BY_REFERENCE

public static final int BY_REFERENCE

BY_REFERENCE is used in non-OO calls to COBOL in the usageDescription array. BY_REFERENCE is the default if usageDescription is not used

See Also:

cobcall(Object retValue, String program, Object[] array, int[] usageDescription), ccall(Object retValue, String program, Object[] array, int[] usageDescription), ccall(String program, Object[] array, int[] usageDescription)

BY_CONTENT

public static final int BY_CONTENT

BY_CONTENT is used in non-OO calls to COBOL in the usageDescription array. BY_REFERENCE is the default if usageDescription is not used

See Also:

cobcall(Object retValue, String program, Object[] array, int[] usageDescription), ccall(Object retValue, String program, Object[] array, int[] usageDescription), ccall(String program, Object[] array, int[] usageDescription)

A_NORMAL

public static final short A_NORMAL

Screen attribute flag

See Also:

cobaddstr(int attribute,String name)

A_BOLD

public static final short A_BOLD

Screen attribute flag

See Also:

cobaddstr(int attribute,String name)

A_UNDER

public static final short A_UNDER

Screen attribute flag

See Also:

cobaddstr(int attribute,String name)

A_REVERSE

public static final short A_REVERSE

Screen attribute flag

See Also:

cobaddstr(int attribute,String name)

A_BLINK

public static final short A_BLINK

Screen attribute flag

See Also:

cobaddstr(int attribute,String name)

A_DIM

public static final short A_DIM

Screen attribute flag

See Also:

cobaddstr(int attribute,String name)

isWindows

protected static final boolean isWindows

Running under Windows operating system

osName

protected static final java.lang.String osName

Operating system name

cblClassHandle

protected static final long cblClassHandle

COBOL proxy class handle, if one exists

cblInstanceHandle

protected final long cblInstanceHandle

COBOL proxy instance handle, if one exists

Constructor Detail

runtime

public runtime()

Method Detail

main

public static void main(java.lang.String[] args)

Run this class in order to obtain the COBJVM environment variable for the current Java installation
Setup CLASSPATH to include mfcobol.jar and use:
java -Dmfcobol.getcobjvmenv=off mfcobol.runtime

cobcall

public static void cobcall(java.lang.Object retValue,
                           java.lang.String program,
                           java.lang.Object[] array,
                           int[] usageDescription,
                           boolean passJNIEnv_and_self)
                    throws COBOLException,
                           java.lang.Exception

Calls a COBOL function with a set of parameters which returns an object * as a parameter

Parameters:

retValue - an Object that contains the return value

program - a string

array - array of objects

passJNIEnv_and_self - - pass JNIENv *, jclass self to COBOL program

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example:

To call a COBOL program called "myfunc" with one integer parameter passed in "by reference".

Java Example

Integer myOneInt    = new Integer(41);
Object myParms[] = { myOneInt };
int usageUpdate[] = { runtime.BY_REFERENCE } ;

System.out.println("By Reference test");
runtime.cobcall(null,"myfunc",myParms,usageUpdate,false);
System.out.println("myfunc returned "+myOneInt);

COBOL Example (myfunc.cbl)

working-storage section.
copy "javatypes.cpy".
linkage section.
01 a usage jint.
procedure division using a.
add 1 to a
exit program returning 0.

 

cobcall

public static void cobcall(java.lang.Object retValue,
                           java.lang.String program,
                           java.lang.Object[] array,
                           int[] usageDescription)
                    throws COBOLException,
                           java.lang.Exception

Calls a COBOL function with a set of parameters which returns an object * as a parameter

Parameters:

retValue - an Object that contains the return value

program - a string

array - array of objects

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

ccall

public static void ccall(java.lang.Object retValue,
                         java.lang.String program,
                         java.lang.Object[] array,
                         int[] usageDescription)
                  throws COBOLException,
                         java.lang.Exception

Calls a c function with a set of parameters which returns an object as a parameter

Parameters:

retValue - an Object that contains the return value

program - a string

array - array of objects

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

ccall

public static int ccall(java.lang.String program,
                        java.lang.Object[] array,
                        int[] usageDescription)
                 throws COBOLException,
                        java.lang.Exception

Calls a c function with a set of parameters which returns an object as a parameter

Parameters:

program - a string

array - array of objects

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_object

public static void cobcall_object(java.lang.Object retValue,
                                  java.lang.String program,
                                  java.lang.Object[] array)
                           throws COBOLException,
                                  java.lang.Exception

Calls a COBOL program with a set of parameters which returns an object

Parameters:

retValue - an Object that contains the return value

program - a string

array - array of objects

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobgetenv

public static java.lang.String cobgetenv(java.lang.String name)
                                  throws COBOLException,
                                         java.lang.Exception

Allows you to find a COBOL/System environment variable

Parameters:

name - A name specifying the environment variable to be searched for and returned.

Returns:

String

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: System.out.println("PATH is "+runtime.cobgetenv("PATH"));

cobputenv

public static int cobputenv(java.lang.String name)
                     throws COBOLException,
                            java.lang.Exception

Allows you to dynamically change the COBOL environment a runtime

Parameters:

name - A string to placed into the environment, with the format NAME=VALUE

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example:
runtime.cobputenv("MYVAR=Hi");
System.out.println("MYVAR is "+runtime.cobgetenv("MYVAR"));

cobclear

public static void cobclear()
                     throws COBOLException,
                            java.lang.Exception

Clears the screen and positions the cursor at line 0, column 0 strings.

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: runtime.cobclear();

cobaddstr

public static void cobaddstr(java.lang.String name)
                      throws COBOLException,
                             java.lang.Exception

Displays the specified string on the screen at the virutal cursor's current position.

Parameters:

name - text to be displayed on the screen

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

xample: runtime.cobaddstr("Hello world\n");

cobaddstr

public static void cobaddstr(int attribute,
                             java.lang.String name)
                      throws COBOLException,
                             java.lang.Exception

Displays the specified string on the screen at the virutal cursor's current position.

Parameters:

attribute - screen attribute to display the text in

name - text to be displayed on the screen

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: runtime.cobaddstr( runtime.A_REVERSE, "Text in A_REVERSE");

cobgetch

public static char cobgetch()
                     throws COBOLException,
                            java.lang.Exception

Gets a character from the keyboard

Returns:

char

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example:To get a single character from the keyboard
char a=runtim.cobgetch();

cobcols

public static int cobcols()
                   throws COBOLException,
                          java.lang.Exception

Returns the number of columns on the screen

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: int cols=runtim.cobcols();

coblines

public static int coblines()
                    throws COBOLException,
                           java.lang.Exception

Returns the number of lines on the screen

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: int lines=runtim.coblines();

cobmove

public static void cobmove(int y,
                           int x)
                    throws COBOLException,
                           java.lang.Exception

Returns the number of lines on the screen

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: runtime.cobmove(10,10);

cobrescanenv

public static int cobrescanenv()
                        throws COBOLException,
                               java.lang.Exception

Causes the runtime to rescan the environment for COBOL environment strings.

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcancel

public static void cobcancel(java.lang.String program)
                      throws COBOLException,
                             java.lang.Exception

Causes the runtime to CANCEL the program specified.

Parameters:

name - name of program to be CANCEL'ed

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: runtime.cobcancel("myprog");

cobtidy

public static void cobtidy()
                    throws COBOLException,
                           java.lang.Exception

Causes the runtime to tidy itself up. WARNING: No COBOL code should be called after the use of this method.

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

Example: runtime.cobtidy(); System.exit(100);

cobcall_int

public static int cobcall_int(java.lang.String program,
                              java.lang.Object[] array)
                       throws COBOLException,
                              java.lang.Exception

Calls a COBOL program with a set of parameters which returns a int

Parameters:

program - a string

array - array of objects

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall

public static int cobcall(java.lang.String program,
                          java.lang.Object[] array)
                   throws COBOLException,
                          java.lang.Exception

Calls a COBOL program with a set of parameters which returns a int

Parameters:

program - a string

array - array of objects

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_byte

public static byte cobcall_byte(java.lang.String program,
                                java.lang.Object[] array)
                         throws COBOLException,
                                java.lang.Exception

Calls a COBOL program with a set of parameters which returns a String

Parameters:

program - a string

array - array of objects

Returns:

byte

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_boolean

public static boolean cobcall_boolean(java.lang.String program,
                                      java.lang.Object[] array)
                               throws COBOLException,
                                      java.lang.Exception

Calls a COBOL program with a set of parameters which returns a boolean

Parameters:

program - a string

array - array of objects

Returns:

boolean

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_short

public static short cobcall_short(java.lang.String program,
                                  java.lang.Object[] array)
                           throws COBOLException,
                                  java.lang.Exception

Calls a COBOL program with a set of parameters which returns a short

Parameters:

program - a string

array - array of objects

Returns:

short

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_float

public static float cobcall_float(java.lang.String program,
                                  java.lang.Object[] array)
                           throws COBOLException,
                                  java.lang.Exception

Calls a COBOL program with a set of parameters which returns a float

Parameters:

program - a string

array - array of objects

Returns:

float

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_Integer

public static java.lang.Integer cobcall_Integer(java.lang.String program,
                                                java.lang.Object[] array)
                                         throws java.lang.Exception,
                                                COBOLException

Calls a COBOL program with a set of parameters which returns a Integer

Parameters:

program - a string

array - array of objects

Returns:

String

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_Byte

public static java.lang.Byte cobcall_Byte(java.lang.String program,
                                          java.lang.Object[] array)
                                   throws java.lang.Exception,
                                          COBOLException

Calls a COBOL program with a set of parameters which returns a Byte

Parameters:

program - a string

array - array of objects

Returns:

Boolean

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_Boolean

public static java.lang.Boolean cobcall_Boolean(java.lang.String program,
                                                java.lang.Object[] array)
                                         throws java.lang.Exception,
                                                COBOLException

Calls a COBOL program with a set of parameters which returns a Boolean

Parameters:

program - a string

array - array of objects

Returns:

Boolean

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_Short

public static java.lang.Short cobcall_Short(java.lang.String program,
                                            java.lang.Object[] array)
                                     throws java.lang.Exception,
                                            COBOLException

Calls a COBOL program with a set of parameters which returns a Short

Parameters:

program - a string

array - array of objects

Returns:

Short

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_Float

public static java.lang.Float cobcall_Float(java.lang.String program,
                                            java.lang.Object[] array)
                                     throws java.lang.Exception,
                                            COBOLException

Calls a COBOL program with a set of parameters which returns a Float

Parameters:

program - a string

array - array of objects

Returns:

Float

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobcall_String

public static java.lang.String cobcall_String(java.lang.String program,
                                              java.lang.Object[] array)
                                       throws java.lang.Exception,
                                              COBOLException

Calls a COBOL program with a set of parameters which returns a String

Parameters:

program - a string

array - array of objects

Returns:

String

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobassocclass

public static void cobassocclass(java.lang.String fileName,
                                 java.lang.Class javaClass)

Associates a Java class and COBOL class

Parameters:

fileName - file name of COBOL class

javaClass - Java class

cobassocclass

public static void cobassocclass(java.lang.String fileName,
                                 java.lang.String javaClass)

Associates a Java class and COBOL class

Parameters:

fileName - file name of COBOL class

javaClass - full name of Java class

cobloadclass

public static int cobloadclass(java.lang.String libName,
                               java.lang.String fileName)

Loads a COBOL library and/or a class within that library. Called in the static initializer for any class that inherits from runtime. Used only if the full Java class name is identical to the COBOL file name

Example:

static {
cobloadclass("DllName", "MyCOBOLClass");
}
 

Parameters:

libName - library name, if required

fileName - file name of COBOL class

Returns:

int - success value (0 for success)

See Also:

cobloadclass(String libName, String fileName, Class javaClass), cobloadclass(String libName, String fileName, String javaClassname)

cobloadclass

public static int cobloadclass(java.lang.String libName,
                               java.lang.String fileName,
                               java.lang.Class javaClass)

Loads a COBOL library and/or a class within that library and associates it with a particular Java class. Called in the static initializer for any class that inherits from runtime. Used when a non-default class loader loads the class.

Example:

static {
cobloadclass("DllName", "MyCOBOLClass", MyPackage.MyJavaClass.class));
}
 

Parameters:

libName - library name, if required

fileName - file name of COBOL class

javaClass - Java class

Returns:

int - success value (0 for success)

See Also:

cobloadclass(String libName, String fileName), cobloadclass(String libName, String fileName, String javaClassname)

cobloadclass

public static int cobloadclass(java.lang.String libName,
                               java.lang.String fileName,
                               java.lang.String javaClassname)

Loads a COBOL library and/or a class within that library and associates it with a particular Java class of a given name. Called in the static initializer for any class that inherits from runtime.

Example:

static {
cobloadclass("DllName", "MyCOBOLClass", "MyPackage.MyJavaClass");
}
 

Parameters:

libName - library name, if required

fileName - file name of COBOL class

javaClassname - full name of Java class

Returns:

int - success value (0 for success)

See Also:

cobloadclass(String libName, String fileName), cobloadclass(String libName, String fileName, Class javaClass)

cobload

public static int cobload(java.lang.String libName,
                          java.lang.String fileName)

Loads a COBOL library and/or program

Parameters:

libName - library name

filenName - name of COBOL program

Returns:

int - success value (0 for success)

cobinvoke_boolean

public boolean cobinvoke_boolean(java.lang.String methodName,
                                 java.lang.Object[] params)
                          throws COBOLException,
                                 java.lang.Exception

Invokes a COBOL instance with a set of parameters returning a boolean

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

boolean

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_byte

public byte cobinvoke_byte(java.lang.String methodName,
                           java.lang.Object[] params)
                    throws COBOLException,
                           java.lang.Exception

Invokes a COBOL instance with a set of parameters returning a byte

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

byte

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_char

public char cobinvoke_char(java.lang.String methodName,
                           java.lang.Object[] params)
                    throws COBOLException,
                           java.lang.Exception

Invokes a COBOL instance with a set of parameters returning a char

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

char

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_short

public short cobinvoke_short(java.lang.String methodName,
                             java.lang.Object[] params)
                      throws COBOLException,
                             java.lang.Exception

Invokes a COBOL instance with a set of parameters returning a short

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

short

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_int

public int cobinvoke_int(java.lang.String methodName,
                         java.lang.Object[] params)
                  throws COBOLException,
                         java.lang.Exception

Invokes a COBOL instance with a set of parameters returning an int

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_long

public long cobinvoke_long(java.lang.String methodName,
                           java.lang.Object[] params)
                    throws COBOLException,
                           java.lang.Exception

Invokes a COBOL instance with a set of parameters returning a long

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

long

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_float

public float cobinvoke_float(java.lang.String methodName,
                             java.lang.Object[] params)
                      throws COBOLException,
                             java.lang.Exception

Invokes a COBOL instance with a set of parameters returning a float

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

float

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_double

public double cobinvoke_double(java.lang.String methodName,
                               java.lang.Object[] params)
                        throws COBOLException,
                               java.lang.Exception

Invokes a COBOL instance with a set of parameters returning a double

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

boolean

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_void

public void cobinvoke_void(java.lang.String methodName,
                           java.lang.Object[] params)
                    throws COBOLException,
                           java.lang.Exception

Invokes a COBOL instance with a set of parameters

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvoke_object

public java.lang.Object cobinvoke_object(java.lang.String methodName,
                                         java.lang.Object[] params)
                                  throws COBOLException,
                                         java.lang.Exception

Invokes a COBOL instance with a set of parameters returning an object

Parameters:

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

Object

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_boolean

public static boolean cobinvokestatic_boolean(java.lang.Class classObject,
                                              java.lang.String methodName,
                                              java.lang.Object[] params)
                                       throws COBOLException,
                                              java.lang.Exception

Invokes a COBOL class with a set of parameters returning a boolean

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

boolean

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_byte

public static byte cobinvokestatic_byte(java.lang.Class classObject,
                                        java.lang.String methodName,
                                        java.lang.Object[] params)
                                 throws COBOLException,
                                        java.lang.Exception

Invokes a COBOL class with a set of parameters returning a byte

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

byte

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_char

public static char cobinvokestatic_char(java.lang.Class classObject,
                                        java.lang.String methodName,
                                        java.lang.Object[] params)
                                 throws COBOLException,
                                        java.lang.Exception

Invokes a COBOL class with a set of parameters returning a char

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

char

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_short

public static short cobinvokestatic_short(java.lang.Class classObject,
                                          java.lang.String methodName,
                                          java.lang.Object[] params)
                                   throws COBOLException,
                                          java.lang.Exception

Invokes a COBOL class with a set of parameters returning a short

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

short

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_int

public static int cobinvokestatic_int(java.lang.Class classObject,
                                      java.lang.String methodName,
                                      java.lang.Object[] params)
                               throws COBOLException,
                                      java.lang.Exception

Invokes a COBOL class with a set of parameters returning an int

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

int

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_long

public static long cobinvokestatic_long(java.lang.Class classObject,
                                        java.lang.String methodName,
                                        java.lang.Object[] params)
                                 throws COBOLException,
                                        java.lang.Exception

Invokes a COBOL class with a set of parameters returning a long

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

long

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_float

public static float cobinvokestatic_float(java.lang.Class classObject,
                                          java.lang.String methodName,
                                          java.lang.Object[] params)
                                   throws COBOLException,
                                          java.lang.Exception

Invokes a COBOL class with a set of parameters returning a float

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

float

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_double

public static double cobinvokestatic_double(java.lang.Class classObject,
                                            java.lang.String methodName,
                                            java.lang.Object[] params)
                                     throws COBOLException,
                                            java.lang.Exception

Invokes a COBOL class with a set of parameters returning a double

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

boolean

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_void

public static void cobinvokestatic_void(java.lang.Class classObject,
                                        java.lang.String methodName,
                                        java.lang.Object[] params)
                                 throws COBOLException,
                                        java.lang.Exception

Invokes a COBOL class with a set of parameters

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobinvokestatic_object

public static java.lang.Object cobinvokestatic_object(java.lang.Class classObject,
                                                      java.lang.String methodName,
                                                      java.lang.Object[] params)
                                               throws COBOLException,
                                                      java.lang.Exception

Invokes a COBOL class with a set of parameters returning an object

Parameters:

classObject - the Java class

methodName - the method to invoke

params - an array of objects containg the method parameters

Returns:

Object

Throws:

COBOLException - - COBOL Exception

java.lang.Exception - - NON COBOL Exception

cobfinalize

public static void cobfinalize(java.lang.Object o)
                        throws java.lang.Throwable

Destroys a COBOL proxy object

Parameters:

o - an object which has a COBOL proxy associated with it

Throws:

java.lang.Throwable - - throwable