de.tsl2.nano.codegen.DontEscalateExceptionHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of tsl2.nano.generator Show documentation

velocity template generator through classes or dom

There is a newer version: 2.5.6

package de.tsl2.nano.codegen;
import org.apache.commons.logging.Log;
import org.apache.velocity.app.event.MethodExceptionEventHandler;

import de.tsl2.nano.core.log.LogFactory;

public class DontEscalateExceptionHandler implements MethodExceptionEventHandler {
	private static final Log LOG = LogFactory.getLog(MethodExceptionEventHandler.class);
	
    public Object methodException(Class cls, String method, Exception e) throws Exception {
    	LOG.info("handling exception " + e + " on " + cls.getName() + "." + method + "()");
        if (cls.getName().matches(getClassNameToHandle()) && method.matches(getMethodToHandle())) {
        	LOG.info("don't escalate on catched class+method matching class: '" + getClassNameToHandle() + "' method: '" + getMethodToHandle() + "'");
        	return null;
        } else 
        	throw e;
    }
	String getMethodToHandle() {
		return System.getProperty(ACodeGenerator.KEY_PREFIX + "catchedmethod", "evalOrNull");
	}
	String getClassNameToHandle() {
		return System.getProperty(ACodeGenerator.KEY_PREFIX + "catchedclass", GeneratorUtility.class.getName());
	}
}