com.alibaba.simpleEL.dialect.tiny.TinyELEvalService Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of SimpleEL Show documentation

simple expression language implementation

The newest version!

package com.alibaba.simpleEL.dialect.tiny;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

import com.alibaba.simpleEL.eval.DefaultExpressEvalService;

public class TinyELEvalService extends DefaultExpressEvalService {
	public TinyELEvalService() {
		super (new TinyELPreprocessor());
	}
	
	public TinyELPreprocessor getTinyPreprocessor() {
		return (TinyELPreprocessor)preprocessor;
	}
	
	@Override
    public TinyELPreprocessor getPreprocessor() {
		return (TinyELPreprocessor) preprocessor;
	}
	
	public void registerFunction(Method method) {
		registerFunction(method.getName(), method);
	}
	
	public void registerFunction(String methodName, Method method) {
		if (method == null) {
			throw new IllegalArgumentException("method is null");
		}
		
		if (!Modifier.isStatic(method.getModifiers())) {
			throw new IllegalArgumentException("method is not static : " + method);
		}
		
		getTinyPreprocessor().getFunctions().put(methodName, method);
	}
}