Platforms to show: All Mac Windows Linux Cross-Platform

JavaVMMBS class

Var vm as JavaVMMBS // global

const JNI_VERSION_1_1 = &h00010001
const JNI_VERSION_1_2 = &h00010002
const JNI_VERSION_1_4 = &h00010004

if TargetLinux then
  // change path for your linux PC!
  JavaVMMBS.SetLibraryPath("/home/cs/jre1.6.0_05/lib/i386/client/libjvm.so")
end if

Var options(-1) as string
Var f as FolderItem=GetFolderItem("test.jar")

vm=new JavaVMMBS(JNI_VERSION_1_4, options, f, false)

if vm.Handle = 0 then
  MsgBox "Can't create Java VM"
else
  MsgBox "Java Initialized."
end if

• 2 properties
  • property Handle as Integer
  • property Lasterror as Integer
• 51 methods
  • method Constructor(path as folderitem)
  • method Constructor(path as string)
  • method Constructor(version as Integer, options() as string, ignoreUnrecognizedOptions as boolean)
  • method Constructor(version as Integer, options() as string, path as folderitem, ignoreUnrecognizedOptions as boolean)
  • method Constructor(version as Integer, options() as string, path as string, ignoreUnrecognizedOptions as boolean)
  • method DefineClass(name as string, Data as MemoryBlock) as JavaClassMBS
  • method DefineClass(name as string, Data as String) as JavaClassMBS
  • method FindClass(name as string) as JavaClassMBS
  • method FreeCurrentThread
  • method FromReflectedField(field as JavaObjectMBS) as JavaFieldMBS
  • method FromReflectedMethod(method as JavaObjectMBS) as JavaMethodMBS
  • method IsAssignableFrom(TheSubClass as JavaClassMBS, TheSuperClass as JavaClassMBS) as boolean
  • method MonitorEnter(obj as JavaObjectMBS) as Integer
  • method MonitorExit(obj as JavaObjectMBS) as Integer
  • method NewBooleanArray(ref as JavaObjectMBS) as JavaBooleanArrayMBS
  • method NewBooleanArray(size as Integer) as JavaBooleanArrayMBS
  • method NewBooleanArray(values() as Boolean) as JavaBooleanArrayMBS
  • method NewByteArray(ref as JavaObjectMBS) as JavaByteArrayMBS
  • method NewByteArray(size as Integer) as JavaByteArrayMBS
  • method NewByteArray(values() as UInt8) as JavaBooleanArrayMBS
  • method NewCharArray(ref as JavaObjectMBS) as JavaCharArrayMBS
  • method NewCharArray(size as Integer) as JavaCharArrayMBS
  • method NewCharArray(values() as UInt16) as JavaCharArrayMBS
  • method NewDirectByteBuffer(address as Integer, size as Integer) as JavaObjectMBS
  • method NewDirectByteBuffer(mem as memoryblock) as JavaObjectMBS
  • method NewDoubleArray(ref as JavaObjectMBS) as JavaDoubleArrayMBS
  • method NewDoubleArray(size as Integer) as JavaDoubleArrayMBS
  • method NewDoubleArray(values() as Double) as JavaDoubleArrayMBS
  • method NewFloatArray(ref as JavaObjectMBS) as JavaFloatArrayMBS
  • method NewFloatArray(size as Integer) as JavaFloatArrayMBS
  • method NewFloatArray(values() as Single) as JavaFloatArrayMBS
  • method NewIntArray(ref as JavaObjectMBS) as JavaIntArrayMBS
  • method NewIntArray(size as Integer) as JavaIntArrayMBS
  • method NewIntArray(values() as Int32) as JavaIntArrayMBS
  • method NewLongArray(ref as JavaObjectMBS) as JavaLongArrayMBS
  • method NewLongArray(size as Integer) as JavaLongArrayMBS
  • method NewLongArray(values() as Int64) as JavaLongArrayMBS
  • method NewObjectArray(ref as JavaObjectMBS) as JavaObjectArrayMBS
  • method NewObjectArray(size as Integer, TheClass as JavaClassMBS, InitialValue as JavaObjectMBS = nil) as JavaObjectArrayMBS
  • method NewObjectArray(values() as JavaObjectMBS) as JavaObjectArrayMBS
  • method NewShortArray(ref as JavaObjectMBS) as JavaShortArrayMBS
  • method NewShortArray(size as Integer) as JavaShortArrayMBS
  • method NewShortArray(values() as Int16) as JavaShortArrayMBS
  • method NewStringArray(size as integer, InitialValue as JavaStringMBS = nil) as JavaObjectArrayMBS
  • method NewStringArray(values() as String) as JavaObjectArrayMBS
  • method NewStringUnicode(s as string) as JavaStringMBS
  • method NewStringUTF8(s as string) as JavaStringMBS
  • method Runtime as JavaRuntimeMBS
  • method ToReflectedField(TheClass as JavaClassMBS, fieldID as JavaFieldMBS, isStatic as boolean) as JavaObjectMBS
  • method ToReflectedMethod(TheClass as JavaClassMBS, methodID as JavaMethodMBS, isStatic as boolean) as JavaObjectMBS
  • method Version as Integer
• 2 shared methods
  • shared method SetLibraryPath(path as folderitem)
  • shared method SetLibraryPath(path as string)
• 4 constants

Constants

This class has no sub classes.

Some methods using this class:

• JavaDatabaseMBS.Constructor(vm as JavaVMMBS, driverclass as string)

Some properties using for this class:

• JavaObjectMBS.VM as JavaVMMBS

Some examples using this class:

• /Java/JavaDatabase/java Database Thread Tests
• /Java/JavaDatabase/JavaDatabase MySQL Blob and Clob
• /Java/JavaDatabase/JavaDatabase MySQL test
• /Java/JavaDatabase/JavaDatabase MySQL test with Threading
• /Java/JavaDatabase/JavaDatabase MySQL with JavaInputStreamMBS
• /Java/JavaDatabase/JavaDatabase SQLite
• /Java/JavaDatabase/JavaDatabase SQLite blob
• /Java/JavaDatabase/JavaDatabase to JSON
• /Java/JavaDatabase/JDBCMultipleDrivers
• /Java/JavaTest/Java

Blog Entries

• MBS Xojo Plugins, version 23.2pr1
• Trying Java 19 in Xojo
• MBS Xojo Plugins, version 21.3pr7
• News from the MBS Xojo Plugins Version 20.3
• MonkeyBread Software Releases the MBS Xojo Plugins in version 20.3
• MBS Xojo Plugins, version 20.3pr1
• MBS Xojo Plugins, version 20.0pr8
• MBS Xojo Plugins, version 19.4pr2
• Java with MBS Plugin
• Encrypted Access database in Xojo

Release notes

• Version 23.2
  • Fixed a problem which prevents JavaVMMBS to initialize on macOS and Linux with current JDK 19.
• Version 21.3
  • Changed JavaVMMBS constructor to not to try to load JavaVM.framework, which results in a crash on Big Sur.
• Version 20.3
  • Added DefineClass method to JavaVMMBS class.
• Version 20.0
  • Updated JavaVMMBS constructor to better find Java libraries.
• Version 19.4
  • Improved search for JavaVMMBS class to find jvm.dll on Windows.
• Version 19.2
  • Added new methods to JavaVMMBS class to create Java arrays based on Xojo arrays.
• Version 18.1
  • Improved JavaVMMBS.SetLibraryPath function to work for Mac, too.

The items on this page are in the following plugins: MBS Java Plugin.

JavaThrowableMBS   -   JPEG2000MBS