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package com.sun.jersey.api.model;

import javax.ws.rs.core.MediaType;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;

/**
 * Abstraction for a resource method
 */
public class AbstractResourceMethod extends AbstractMethod
        implements Parameterized, AbstractModelComponent {
    private String httpMethod;
    private List consumeMimeList;
    private List produceMimeList;
    private List parameters;
    private Class returnType;
    private Type genericReturnType;
    private boolean isConsumesDeclared;
    private boolean isProducesDeclared;

    public AbstractResourceMethod(
            AbstractResource resource,
            Method method,
            Class returnType,
            Type genericReturnType,
            String httpMethod,
            Annotation[] annotations) {
        super(resource, method, annotations);

        this.httpMethod = httpMethod.toUpperCase();
        this.consumeMimeList = new ArrayList();
        this.produceMimeList = new ArrayList();
        this.returnType = returnType;
        this.genericReturnType = genericReturnType;
        this.parameters = new ArrayList();


    }

    public AbstractResource getDeclaringResource() {
        return getResource();
    }

    public Class getReturnType() {
        return returnType;
    }

    public Type getGenericReturnType() {
        return genericReturnType;
    }

    public List getSupportedInputTypes() {
        return consumeMimeList;
    }

    public void setAreInputTypesDeclared(boolean declared) {
        isConsumesDeclared = declared;
    }

    public boolean areInputTypesDeclared() {
        return isConsumesDeclared;
    }

    public List getSupportedOutputTypes() {
        return produceMimeList;
    }

    public void setAreOutputTypesDeclared(boolean declared) {
        isProducesDeclared = declared;
    }

    public boolean areOutputTypesDeclared() {
        return isProducesDeclared;
    }

    public String getHttpMethod() {
        return httpMethod;
    }

    public boolean hasEntity() {
        for (Parameter p : getParameters()) {
            if (Parameter.Source.ENTITY == p.getSource()) {
                return true;
            }
        }
        return false;
    }

    @Override
    public List getParameters() {
        return parameters;
    }

    @Override
    public void accept(AbstractModelVisitor visitor) {
        visitor.visitAbstractResourceMethod(this);
    }

    @Override
    public List getComponents() {
        return null;
    }

    @Override
    public String toString() {
        return "AbstractResourceMethod("
                + getMethod().getDeclaringClass().getSimpleName() + "#" + getMethod().getName() + ")";
    }

}