/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2011, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.core.joran.conditional;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.codehaus.janino.ClassBodyEvaluator;
import org.codehaus.janino.CompileException;
import org.codehaus.janino.Parser.ParseException;
import org.codehaus.janino.Scanner.ScanException;
import ch.qos.logback.core.spi.ContextAwareBase;
public class PropertyEvalScriptBuilder extends ContextAwareBase {
private static String SCRIPT_PREFIX = ""
+ "public boolean evaluate() { return ";
private static String SCRIPT_SUFFIX = "" + "; }";
static String SCRIPT = ""
+ "public boolean eval() { return p(\"Ka\").equals(\"Va\"); }";
Map<String, String> map = new HashMap<String, String>();
public Condition build(String script) throws IllegalAccessException,
CompileException, ParseException, ScanException, InstantiationException,
SecurityException, NoSuchMethodException, IllegalArgumentException,
InvocationTargetException {
ClassBodyEvaluator cbe = new ClassBodyEvaluator();
cbe.setImplementedTypes(new Class[] { Condition.class });
cbe.setExtendedType(MapWrapperForScripts.class);
cbe.cook(SCRIPT_PREFIX + script + SCRIPT_SUFFIX);
Class<?> clazz = cbe.getClazz();
Condition instance = (Condition) clazz.newInstance();
Method setMapMethod = clazz.getMethod("setMap", Map.class);
setMapMethod.invoke(instance, context.getCopyOfPropertyMap());
Method setNameMethod = clazz.getMethod("setName", String.class);
setNameMethod.invoke(instance, context.getName());
return instance;
}
}