// 
// Decompiled by Procyon v0.6.0
// 

package io.netty.util.internal;

import java.util.HashMap;
import java.util.Map;

public abstract class TypeParameterMatcher
{
    private static final TypeParameterMatcher NOOP;
    
    public static TypeParameterMatcher get(final Class<?> parameterType) {
        final Map<Class<?>, TypeParameterMatcher> getCache = InternalThreadLocalMap.get().typeParameterMatcherGetCache();
        TypeParameterMatcher matcher = getCache.get(parameterType);
        if (matcher == null) {
            if (parameterType == Object.class) {
                matcher = TypeParameterMatcher.NOOP;
            }
            else {
                matcher = new ReflectiveMatcher(parameterType);
            }
            getCache.put(parameterType, matcher);
        }
        return matcher;
    }
    
    public static TypeParameterMatcher find(final Object object, final Class<?> parametrizedSuperclass, final String typeParamName) {
        final Map<Class<?>, Map<String, TypeParameterMatcher>> findCache = InternalThreadLocalMap.get().typeParameterMatcherFindCache();
        final Class<?> thisClass = object.getClass();
        Map<String, TypeParameterMatcher> map = findCache.get(thisClass);
        if (map == null) {
            map = new HashMap<String, TypeParameterMatcher>();
            findCache.put(thisClass, map);
        }
        TypeParameterMatcher matcher = map.get(typeParamName);
        if (matcher == null) {
            matcher = get(ReflectionUtil.resolveTypeParameter(object, parametrizedSuperclass, typeParamName));
            map.put(typeParamName, matcher);
        }
        return matcher;
    }
    
    public abstract boolean match(final Object p0);
    
    TypeParameterMatcher() {
    }
    
    static {
        NOOP = new TypeParameterMatcher() {
            @Override
            public boolean match(final Object msg) {
                return true;
            }
        };
    }
    
    private static final class ReflectiveMatcher extends TypeParameterMatcher
    {
        private final Class<?> type;
        
        ReflectiveMatcher(final Class<?> type) {
            this.type = type;
        }
        
        @Override
        public boolean match(final Object msg) {
            return this.type.isInstance(msg);
        }
    }
}