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/*******************************************************************************
 * Copyright (c) 2011, 2014 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Rick Barkhouse - 2.1 - Initial implementation
 ******************************************************************************/
package org.eclipse.persistence.jaxb.javamodel.xjc;

import java.lang.reflect.Modifier;

import org.eclipse.persistence.dynamic.DynamicClassLoader;
import org.eclipse.persistence.jaxb.javamodel.JavaClass;
import org.eclipse.persistence.jaxb.javamodel.JavaConstructor;

import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JDefinedClass;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JType;

/**
 * INTERNAL:
 * 
 * Purpose: JavaConstructor implementation wrapping XJC's JMethod.  Used when
 * bootstrapping a DynamicJAXBContext from an XML Schema.
 * 
 *
 * 
 * Responsibilities:
 * 
 * 
 *    Provide Constructor information from the underlying JMethod.
 * 
 *
 * @since EclipseLink 2.1
 *
 * @see org.eclipse.persistence.jaxb.javamodel.JavaConstructor
 */
public class XJCJavaConstructorImpl implements JavaConstructor {

    private JMethod xjcConstructor;
    private JCodeModel jCodeModel;
    private DynamicClassLoader dynamicClassLoader;
    private JavaClass owningClass;

    /**
     * Construct a new instance of XJCJavaConstructorImpl.
     *
     * @param constructor - the XJC JMethod to be wrapped.
     * @param codeModel - the XJC JCodeModel this constructor belongs to.
     * @param loader - the ClassLoader used to bootstrap the DynamicJAXBContext.
     * @param owner - the JavaClass this constructor belongs to.
     */
    public XJCJavaConstructorImpl(JMethod constructor, JCodeModel codeModel, DynamicClassLoader loader, JavaClass owner) {
        this.xjcConstructor = constructor;
        this.jCodeModel = codeModel;
        this.dynamicClassLoader = loader;
        this.owningClass = owner;
    }

    /**
     * Returns the Java language modifiers for this JavaConstructor, encoded in an integer.
     *
     * @return the int representing the modifiers for this constructor.
     *
     * @see java.lang.reflect.Modifier
     */
    public int getModifiers() {
        return xjcConstructor.mods().getValue();
    }

    /**
     * Returns the name of this JavaConstructor.
     *
     * @return the String name of this JavaConstructor.
     */
    public String getName() {
        return xjcConstructor.name();
    }

    /**
     * Returns the array of parameters for this JavaConstructor.
     *
     * @return a JavaClass[] representing the argument types for this constructor.
     */
    public JavaClass[] getParameterTypes() {
        JType[] params = xjcConstructor.listParamTypes();
        JavaClass[] paramArray = new JavaClass[params.length];

        for (int i = 0; i < params.length; i++) {
            JavaClass dc;
            if (((XJCJavaClassImpl) getOwningClass()).getJavaModel() != null) {
                dc = ((XJCJavaClassImpl) getOwningClass()).getJavaModel().getClass(params[i].fullName());
            } else {
                dc = new XJCJavaClassImpl((JDefinedClass) params[i], jCodeModel, dynamicClassLoader);
            }

            paramArray[i] = dc;
        }
        return paramArray;
    }

    /**
     * Indicates if this JavaConstructor is abstract.
     *
     * @return true if this JavaConstructor is abstract, otherwise false.
     */
    public boolean isAbstract() {
        return Modifier.isAbstract(getModifiers());
    }

    /**
     * Indicates if this JavaConstructor is private.
     *
     * @return true if this JavaConstructor is private, otherwise false.
     */
    public boolean isPrivate() {
        return Modifier.isPrivate(getModifiers());
    }

    /**
     * Indicates if this JavaConstructor is protected.
     *
     * @return true if this JavaConstructor is protected, otherwise false.
     */
    public boolean isProtected() {
        return Modifier.isProtected(getModifiers());
    }

    /**
     * Indicates if this JavaConstructor is public.
     *
     * @return true if this JavaConstructor is public, otherwise false.
     */
    public boolean isPublic() {
        return Modifier.isPublic(getModifiers());
    }

    /**
     * Indicates if this JavaConstructor is static.
     *
     * @return true if this JavaConstructor is static, otherwise false.
     */
    public boolean isStatic() {
        return Modifier.isStatic(getModifiers());
    }

    /**
     * Indicates if this JavaConstructor is final.
     *
     * @return true if this JavaConstructor is final, otherwise false.
     */
    public boolean isFinal() {
        return Modifier.isFinal(getModifiers());
    }

    /**
     * Not supported.
     */
    public boolean isSynthetic() {
        throw new UnsupportedOperationException("isSynthetic");
    }

    /**
     * Returns the JavaClass which contains this constructor.
     *
     * @return JavaClass representing the owner of this JavaConstructor.
     */
    public JavaClass getOwningClass() {
        return owningClass;
    }

    /**
     * Set the JavaClass which contains this constructor.
     *
     * @param owningClass the JavaClass representing the owner of this JavaConstructor.
     */
    public void setOwningClass(JavaClass owningClass) {
        this.owningClass = owningClass;
    }

}