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Panda Glue is a ASM/AOP module of the Panda Framework.

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package panda.aop.matcher;

import static java.lang.reflect.Modifier.TRANSIENT;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.regex.Pattern;

import panda.aop.MethodMatcher;

public class RegexMethodMatcher implements MethodMatcher {

	private Pattern active;
	private Pattern ignore;
	private int mods;

	public RegexMethodMatcher(String active) {
		this(active, null);
	}

	public RegexMethodMatcher(String active, String ignore) {
		this(active, ignore, Modifier.PUBLIC | Modifier.PROTECTED);
	}

	public RegexMethodMatcher(String active, String ignore, int mods) {
		if (active != null)
			this.active = Pattern.compile(active);
		if (ignore != null)
			this.ignore = Pattern.compile(ignore);
		this.mods = mods;
	}

	public boolean match(Method method) {
		int mod = method.getModifiers();
		String name = method.getName();
		if (null != ignore)
			if (ignore.matcher(name).find())
				return false;
		if (null != active)
			if (!active.matcher(name).find())
				return false;
		if (mods <= 0)
			return true;

		if (mod == 0)
			mod |= TRANSIENT;

		return (mod & mods) != 0;
	}

}