org.jboss.weld.invokable.LookupUtils Maven / Gradle / Ivy

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package org.jboss.weld.invokable;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import jakarta.enterprise.inject.Default;
import jakarta.enterprise.inject.Instance;
import jakarta.enterprise.inject.spi.BeanManager;
import jakarta.inject.Named;

import org.jboss.weld.inject.WeldInstance;

class LookupUtils {
    private LookupUtils() {
    }

    private static final Map, Object> PRIMITIVE_WRAPPER_ZERO_VALUES = Map.ofEntries(
            Map.entry(boolean.class, false),
            Map.entry(byte.class, (byte) 0),
            Map.entry(short.class, (short) 0),
            Map.entry(int.class, 0),
            Map.entry(long.class, 0L),
            Map.entry(float.class, 0.0F),
            Map.entry(double.class, 0.0),
            Map.entry(char.class, (char) 0));

    static boolean hasPrimitiveArgLookup(Class[] types, boolean[] argLookup) {
        for (int i = 0; i < Math.min(types.length, argLookup.length); i++) {
            if (types[i].isPrimitive() && argLookup[i]) {
                return true;
            }
        }
        return false;
    }

    static Object[] replacePrimitiveLookupNulls(Object[] values, Class[] types, boolean[] argLookup) {
        for (int i = 0; i < values.length; i++) {
            Class type = types[i];
            if (values[i] == null && type.isPrimitive() && argLookup[i]) {
                values[i] = PRIMITIVE_WRAPPER_ZERO_VALUES.get(type);
            }
        }
        return values;
    }

    static Object lookup(CleanupActions cleanup, BeanManager beanManager, Type type, Annotation[] qualifiers) {
        WeldInstance