org.jboss.weld.annotated.slim.unbacked.UnbackedAnnotatedMethod Maven / Gradle / Ivy

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package org.jboss.weld.annotated.slim.unbacked;

import static org.jboss.weld.util.collections.WeldCollections.immutableListView;
import static org.jboss.weld.util.reflection.Reflections.cast;

import java.io.ObjectInputStream;
import java.io.ObjectStreamException;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedParameter;

import org.jboss.weld.exceptions.InvalidObjectException;
import org.jboss.weld.logging.BeanLogger;
import org.jboss.weld.resources.SharedObjectCache;
import org.jboss.weld.util.AnnotatedTypes;
import org.jboss.weld.util.reflection.Formats;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;

@SuppressFBWarnings(value = { "SE_BAD_FIELD", "SE_NO_SUITABLE_CONSTRUCTOR", "SE_NO_SERIALVERSIONID" }, justification = "False positive from FindBugs - serialization is handled by SerializationProxy.")
public class UnbackedAnnotatedMethod extends UnbackedAnnotatedMember implements AnnotatedMethod, Serializable {

    public static  AnnotatedMethod of(AnnotatedMethod originalMethod, UnbackedAnnotatedType declaringType, SharedObjectCache cache) {
        UnbackedAnnotatedType downcastDeclaringType = cast(declaringType);
        return new UnbackedAnnotatedMethod(originalMethod.getBaseType(), originalMethod.getTypeClosure(), originalMethod.getAnnotations(), downcastDeclaringType,
                originalMethod.getParameters(), originalMethod.getJavaMember(), cache);
    }

    private final Method method;
    private final List> parameters;

    public UnbackedAnnotatedMethod(Type baseType, Set typeClosure, Set annotations, UnbackedAnnotatedType declaringType,
            List> originalParameters, Method method, SharedObjectCache cache) {
        super(baseType, typeClosure, cache.getSharedSet(annotations), declaringType);
        this.method = method;
        List> parameters = new ArrayList>(originalParameters.size());
        for (AnnotatedParameter originalParameter : originalParameters) {
            parameters.add(new UnbackedAnnotatedParameter(originalParameter.getBaseType(), originalParameter.getTypeClosure(), cache.getSharedSet(originalParameter.getAnnotations()),
                    originalParameter.getPosition(), this));
        }
        this.parameters = immutableListView(parameters);
    }

    public Method getJavaMember() {
        return method;
    }

    public List> getParameters() {
        return parameters;
    }

    @Override
    public String toString() {
        return Formats.formatAnnotatedMethod(this);
    }

    // Serialization

    private Object writeReplace() throws ObjectStreamException {
        return new UnbackedMemberIdentifier(getDeclaringType(), AnnotatedTypes.createMethodId(method, getAnnotations(), getParameters()));
    }

    private void readObject(ObjectInputStream stream) throws InvalidObjectException {
        throw BeanLogger.LOG.serializationProxyRequired();
    }
}