org.h2.util

Class SourceCompiler

java.lang.Object

org.h2.util.SourceCompiler

public class SourceCompiler
extends java.lang.Object

This class allows to convert source code to a class. It uses one class loader per class.

Constructor Summary

Constructors

Constructor and Description
SourceCompiler()

Method Summary

Modifier and Type	Method and Description
java.lang.Class<?>	getClass(java.lang.String packageAndClassName) Get the class object for the given name.
javax.script.CompiledScript	getCompiledScript(java.lang.String packageAndClassName) Get the compiled script.
java.lang.reflect.Method	getMethod(java.lang.String className) Get the first public static method of the given class.
static boolean	isJavaxScriptSource(java.lang.String source) Whether the passed source can be compiled using ScriptEngineManager.
void	setJavaSystemCompiler(boolean enabled) Enable or disable the usage of the Java system compiler.
void	setSource(java.lang.String className, java.lang.String source) Set the source code for the specified class.

Methods inherited from class java.lang.Object

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

Constructor Detail

SourceCompiler

public SourceCompiler()

Method Detail

setSource

public void setSource(java.lang.String className,
                      java.lang.String source)

Set the source code for the specified class. This will reset all compiled classes.

Parameters:

className - the class name

source - the source code

setJavaSystemCompiler

public void setJavaSystemCompiler(boolean enabled)

Enable or disable the usage of the Java system compiler.

Parameters:

enabled - true to enable

getClass

public java.lang.Class<?> getClass(java.lang.String packageAndClassName)
                            throws java.lang.ClassNotFoundException

Get the class object for the given name.

Parameters:

packageAndClassName - the class name

Returns:

the class

Throws:

java.lang.ClassNotFoundException

isJavaxScriptSource

public static boolean isJavaxScriptSource(java.lang.String source)

Whether the passed source can be compiled using ScriptEngineManager.

Parameters:

source - the source to test.

Returns:

true if getCompiledScript(String) can be called.

getCompiledScript

public javax.script.CompiledScript getCompiledScript(java.lang.String packageAndClassName)
                                              throws javax.script.ScriptException

Get the compiled script.

Parameters:

packageAndClassName - the package and class name

Returns:

the compiled script

Throws:

javax.script.ScriptException

getMethod

public java.lang.reflect.Method getMethod(java.lang.String className)
                                   throws java.lang.ClassNotFoundException

Get the first public static method of the given class.

Parameters:

className - the class name

Returns:

the method name

Throws:

java.lang.ClassNotFoundException