org.eclipse.scada.utils.script

Class ScriptExecutor

java.lang.Object

org.eclipse.scada.utils.script.ScriptExecutor

public class ScriptExecutor
extends Object

A wrapper to execute scripts

Author:

Jens Reimann

Constructor Summary

Constructors

Constructor and Description
ScriptExecutor(ScriptEngineManager engineManager, String engineName, String command, ClassLoader classLoader) Create a new script executor
ScriptExecutor(ScriptEngineManager engineManager, String engineName, String command, ClassLoader classLoader, String sourceName) Create a new script executor
ScriptExecutor(ScriptEngineManager engineManager, String engineName, URL commandUrl, ClassLoader classLoader) Create a new script executor
ScriptExecutor(ScriptEngine engine, String command, ClassLoader classLoader) Construct a new script executors
ScriptExecutor(ScriptEngine engine, String command, ClassLoader classLoader, String sourceName) Construct a new script executors
ScriptExecutor(ScriptEngine engine, URL commandUrl, ClassLoader classLoader)
ScriptExecutor(String engineName, String command, ClassLoader classLoader)
ScriptExecutor(String engineName, String command, ClassLoader classLoader, String sourceName)
ScriptExecutor(String engineName, URL commandUrl, ClassLoader classLoader)

Method Summary

Modifier and Type	Method and Description
protected Map<String,Object>	applyVars(ScriptContext context, Map<String,Object> scriptObjects)
Object	execute(ScriptContext scriptContext)
Object	execute(ScriptContext scriptContext, Map<String,Object> scriptObjects)
protected void	restoreVars(ScriptContext context, Map<String,Object> vars)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ScriptExecutor

public ScriptExecutor(String engineName,
                      String command,
                      ClassLoader classLoader)
               throws Exception

Throws:

Exception

ScriptExecutor

public ScriptExecutor(String engineName,
                      String command,
                      ClassLoader classLoader,
                      String sourceName)
               throws Exception

Throws:

Exception

ScriptExecutor

public ScriptExecutor(String engineName,
                      URL commandUrl,
                      ClassLoader classLoader)
               throws Exception

Throws:

Exception

ScriptExecutor

public ScriptExecutor(ScriptEngineManager engineManager,
                      String engineName,
                      String command,
                      ClassLoader classLoader)
               throws Exception

Create a new script executor

Parameters:

engineManager - the engine manager to use

engineName - the name of the script engine

command - the script

classLoader - the class loader the script should use

Throws:

Exception - if anything goes wrong

ScriptExecutor

public ScriptExecutor(ScriptEngineManager engineManager,
                      String engineName,
                      String command,
                      ClassLoader classLoader,
                      String sourceName)
               throws Exception

Create a new script executor

Parameters:

engineManager - the engine manager to use

engineName - the name of the script engine

command - the script

classLoader - the class loader the script should use

sourceName - the name of the source

Throws:

Exception - if anything goes wrong

ScriptExecutor

public ScriptExecutor(ScriptEngineManager engineManager,
                      String engineName,
                      URL commandUrl,
                      ClassLoader classLoader)
               throws Exception

Create a new script executor

Parameters:

engineManager - the engine manager to use

engineName - the name of the script engine

commandUrl - the URL to the script

classLoader - the class loader the script should use

Throws:

Exception - if anything goes wrong

ScriptExecutor

public ScriptExecutor(ScriptEngine engine,
                      String command,
                      ClassLoader classLoader,
                      String sourceName)
               throws Exception

Construct a new script executors

Parameters:

engine - the script engine to use, must not be null

command - the command to execute, may be null

classLoader - the class loader to use when executing, may be null

Throws:

ScriptException

Exception

ScriptExecutor

public ScriptExecutor(ScriptEngine engine,
                      String command,
                      ClassLoader classLoader)
               throws Exception

Construct a new script executors

Parameters:

engine - the script engine to use, must not be null

command - the command to execute, may be null

classLoader - the class loader to use when executing, may be null

Throws:

ScriptException

Exception

ScriptExecutor

public ScriptExecutor(ScriptEngine engine,
                      URL commandUrl,
                      ClassLoader classLoader)
               throws Exception

Throws:

Exception

Method Detail

applyVars

protected Map<String,Object> applyVars(ScriptContext context,
                                       Map<String,Object> scriptObjects)

restoreVars

protected void restoreVars(ScriptContext context,
                           Map<String,Object> vars)

execute

public Object execute(ScriptContext scriptContext)
               throws Exception

Throws:

Exception

execute

public Object execute(ScriptContext scriptContext,
                      Map<String,Object> scriptObjects)
               throws Exception

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object