bsh

Class PreparsedScript

java.lang.Object

bsh.PreparsedScript

public class PreparsedScript
extends java.lang.Object

With this class the script source is only parsed once and the resulting AST is used for every invocation. This class is designed to be thread-safe.

Constructor Summary

Constructors

Constructor and Description
PreparsedScript(java.lang.String source) Constructor without a supplied class loader.
PreparsedScript(java.lang.String source, java.lang.ClassLoader classLoader) Instance of a prepared script for the supplied source and class loader.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	invoke(java.util.Map<java.lang.String,?> context) Invoke the prepared script with the supplied arguments exposed.
void	setErr(java.io.PrintStream err) Attach a standard error stream.
void	setOut(java.io.PrintStream out) Attach a standard output stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

PreparsedScript

public PreparsedScript(java.lang.String source)
                throws EvalError

Constructor without a supplied class loader. Delegate to overloaded constructor while attempting to locate a default class loader.

Parameters:

source - to be prepared.

Throws:

EvalError - thrown on script error.

PreparsedScript

public PreparsedScript(java.lang.String source,
                       java.lang.ClassLoader classLoader)
                throws EvalError

Instance of a prepared script for the supplied source and class loader.

Parameters:

source - to be prepared.

classLoader -

Throws:

EvalError - thrown on script error.

Method Detail

invoke

public java.lang.Object invoke(java.util.Map<java.lang.String,?> context)
                        throws EvalError

Invoke the prepared script with the supplied arguments exposed.

Parameters:

context - map of arguments

Returns:

of the script execution

Throws:

EvalError - thrown on script error.

setOut

public void setOut(java.io.PrintStream out)

Attach a standard output stream.

Parameters:

out - the stream.

setErr

public void setErr(java.io.PrintStream err)

Attach a standard error stream.

Parameters:

err - the stream.