fr.ifremer.isisfish.util

Class EvaluatorHelper

java.lang.Object

fr.ifremer.isisfish.util.EvaluatorHelper

public class EvaluatorHelper
extends Object

Permet d'evaluer les equations ecritent en Java Created: 3 juil. 2006 23:44:48

Version:

$Revision$ Last update: $Date$ by : $Author$

Author:

poussin

Field Summary

Fields

Modifier and Type	Field and Description
protected static Pattern	grepImportPattern Regex to match import: - "^(import ...;)" for import at line beginning - ";(import ...;)" for multiple import on same line

Constructor Summary

Constructors

Constructor and Description
EvaluatorHelper()

Method Summary

Modifier and Type	Method and Description
static void	catchEvaluateException(Exception ex, org.apache.commons.logging.Log log) Throw Runtime or Non runtime exception depending on simulation state.
static int	check(Class javaInterface, String script, PrintWriter out) Verifie si un script (prescript/equation) est syntaxiquement correct.
protected static void	compile(File fileRootSrc, File fileSrc)
protected static Class	compileAndGetClass(String packageName, String className, Class javaInterface, String script) Prend un script d'equation, le convertit en Java, le compile et retour la classe.
static Object	evaluate(String packageName, String className, Class javaInterface, String script, Object... args) Evalue une equation.
static String[]	evaluateNecessaryResult(String packageName, String className, Class javaInterface, String script) Evalue les necessaryResult d'une equation.
protected static String	generateContent(String packageName, String className, Method interfaceMethod, String script) Generate script content.
protected static void	generateNecessaryResult(String code, StringBuilder necessaryResultContent, StringBuilder equationContent)
protected static String	getHashCache(File fileCheckSum)
protected static void	grepImport(String code, StringBuilder imports, StringBuilder others) looking for import in code. return all import as found in code in imports args all other code are put in others
protected static Object	invoke(Class clazz, Method interfaceMethod, Object... args)
protected static String	normalizeClassName(String name)
protected static void	setHashCache(File fileCheckSum, String hashcode)

Methods inherited from class java.lang.Object

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

Field Detail

grepImportPattern

protected static Pattern grepImportPattern

Regex to match import: - "^(import ...;)" for import at line beginning - ";(import ...;)" for multiple import on same line

Constructor Detail

EvaluatorHelper

public EvaluatorHelper()

Method Detail

getHashCache

protected static String getHashCache(File fileCheckSum)

setHashCache

protected static void setHashCache(File fileCheckSum,
                                   String hashcode)

normalizeClassName

protected static String normalizeClassName(String name)

check

public static int check(Class javaInterface,
                        String script,
                        PrintWriter out)

Verifie si un script (prescript/equation) est syntaxiquement correct.

Parameters:

javaInterface -

script -

out - output writer (can be null for non output)

Returns:

0 si ok

compileAndGetClass

protected static Class compileAndGetClass(String packageName,
                                          String className,
                                          Class javaInterface,
                                          String script)

Prend un script d'equation, le convertit en Java, le compile et retour la classe. Si ce script a deja ete compile, retourne la classe existante

Parameters:

packageName - le nom de package de la classe

className - le nom de la classe

javaInterface - l'interface que la classe doit etendre, cette interface n'a qu'un methode

script - le code de la methode

Returns:

la valeur retourné par la methode

catchEvaluateException

public static void catchEvaluateException(Exception ex,
                                          org.apache.commons.logging.Log log)

Throw Runtime or Non runtime exception depending on simulation state.

Parameters:

ex - exception to handle

evaluate

public static Object evaluate(String packageName,
                              String className,
                              Class javaInterface,
                              String script,
                              Object... args)

Evalue une equation.

Parameters:

packageName - le nom de package de la classe

className - le nom de la classe

javaInterface - l'interface que la classe doit etendre, cette interface n'a qu'un methode

script - le code de la methode

args - les arguments a utiliser pour l'appel de la methode

Returns:

la valeur retourné par la methode

evaluateNecessaryResult

public static String[] evaluateNecessaryResult(String packageName,
                                               String className,
                                               Class javaInterface,
                                               String script)

Evalue les necessaryResult d'une equation.

Parameters:

packageName - le nom de package de la classe

className - le nom de la classe

javaInterface - l'interface que la classe doit etendre, cette interface n'a qu'un methode

script - le code de la methode

Returns:

les necessaryResult

compile

protected static void compile(File fileRootSrc,
                              File fileSrc)

generateContent

protected static String generateContent(String packageName,
                                        String className,
                                        Method interfaceMethod,
                                        String script)

Generate script content. Warning, content are always on a unique single line (without \n) for debugging purpose.

Parameters:

packageName -

className -

interfaceMethod -

script -

Returns:

script return (or null)

grepImport

protected static void grepImport(String code,
                                 StringBuilder imports,
                                 StringBuilder others)

looking for import in code. return all import as found in code in imports args all other code are put in others

Parameters:

code -

imports -

others -

generateNecessaryResult

protected static void generateNecessaryResult(String code,
                                              StringBuilder necessaryResultContent,
                                              StringBuilder equationContent)

invoke

protected static Object invoke(Class clazz,
                               Method interfaceMethod,
                               Object... args)