/**************************************************************************************
 * Copyright (c) Jonas Bonér, Alexandre Vasseur. All rights reserved.                 *
 * http://aspectwerkz.codehaus.org                                                    *
 * ---------------------------------------------------------------------------------- *
 * The software in this package is published under the terms of the LGPL license      *
 * a copy of which has been included with this distribution in the license.txt file.  *
 **************************************************************************************/
package org.codehaus.aspectwerkz.metadata;

import org.codehaus.aspectwerkz.definition.attribute.CustomAttribute;

import java.util.ArrayList;
import java.util.List;

/**
 * Holds meta-data for a class.
 *
 * @author <a href="mailto:jboner@codehaus.org">Jonas Bonér</a>
 */
public class ClassMetaDataImpl implements ClassMetaData {

    /**
     * The name of the class.
     */
    private String m_name;

    /**
     * The class modifiers.
     */
    private int m_modifiers;

    /**
     * A list with the <code>ConstructorMetaData</code> instances.
     */
    private List m_constructors = new ArrayList();

    /**
     * A list with the <code>MethodMetaData</code> instances.
     */
    private List m_methods = new ArrayList();

    /**
     * A list with the <code>FieldMetaData</code> instances.
     */
    private List m_fields = new ArrayList();

    /**
     * A list with the interfaces.
     */
    private List m_interfaces = new ArrayList();

    /**
     * The super class.
     */
    private ClassMetaData m_superClass;

    /**
     * The attributes.
     */
    private List m_attributes = new ArrayList();

    /**
     * Returns the attributes.
     *
     * @return the attributes
     */
    public List getAttributes() {
        return m_attributes;
    }

    /**
     * Adds an attribute.
     *
     * @param attribute the attribute
     */
    public void addAttribute(final CustomAttribute attribute) {
        m_attributes.add(attribute);
    }

    /**
     * Returns the name of the class.
     *
     * @return the name of the class
     */
    public String getName() {
        return m_name;
    }

    /**
     * Sets the name of the class.
     *
     * @param name the name of the class
     */
    public void setName(final String name) {
        m_name = name;
    }

    /**
     * Returns the class modifiers.
     *
     * @return the class modifiers
     */
    public int getModifiers() {
        return m_modifiers;
    }

    /**
     * Sets the class modifiers.
     *
     * @param modifiers the class modifiers
     */
    public void setModifiers(int modifiers) {
        m_modifiers = modifiers;
    }

    /**
     * Returns a list with all the constructors meta-data.
     *
     * @return the constructors meta-data
     */
    public List getConstructors() {
        return m_constructors;
    }

    /**
     * Sets a list with <code>ConstructorMetaData</code> instances.
     *
     * @param constructors a list with <code>ConstructorMetaData</code> instances
     */
    public void setConstructors(final List constructors) {
        m_constructors = constructors;
    }

    /**
     * Returns a list with all the methods meta-data even the inherited methods.
     *
     * @return the methods meta-data for all the methods
     */
    public List getAllMethods() {
        return collectAllMethods(this, new ArrayList());
    }

    /**
     * Returns a list with all the methods meta-data.
     *
     * @return the methods meta-data
     */
    public List getMethods() {
        return m_methods;
    }

    /**
     * Sets a list with <code>MethodMetaData</code> instances.
     *
     * @param methods a list with <code>MethodMetaData</code> instances
     */
    public void setMethods(final List methods) {
        m_methods = methods;
    }

    /**
     * Returns a list with all the field meta-data.
     *
     * @return the field meta-data
     */
    public List getFields() {
        return m_fields;
    }

    /**
     * Sets a list with <code>FieldMetaData</code> instances.
     *
     * @param fields a list with <code>FieldMetaData</code> instances
     */
    public void setFields(final List fields) {
        m_fields = fields;
    }

    /**
     * Returns the interfaces.
     *
     * @return the interfaces
     */
    public List getInterfaces() {
        return m_interfaces;
    }

    /**
     * Sets the interfaces.
     *
     * @param interfaces the interfaces
     */
    public void setInterfaces(final List interfaces) {
        m_interfaces = interfaces;
    }

    /**
     * Returns the super class.
     *
     * @return the super class
     */
    public ClassMetaData getSuperClass() {
        return m_superClass;
    }

    /**
     * Sets the super class.
     *
     * @param superClass the super class
     */
    public void setSuperClass(final ClassMetaData superClass) {
        m_superClass = superClass;
    }

    /**
     * Collects all the methods visible by the class in the class hierarchy. Recursive.
     *
     * @return a list with all the methods
     */
    private List collectAllMethods(final ClassMetaData klass, final List methodList) {
        if (klass == null) {
            return methodList;
        }
        methodList.addAll(klass.getMethods());
        return collectAllMethods(klass.getSuperClass(), methodList);
    }
}

