/*
 * Copyright 2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 

package org.apache.commons.betwixt.schema;

import org.apache.commons.betwixt.AttributeDescriptor;


/**
 * Models the attribute element in an XML schema.
 * @author <a href='http://jakarta.apache.org/'>Jakarta Commons Team</a>
 * @version $Revision: 1.2 $
 */
public class Attribute {

	private String name;
	private String type;


	public Attribute() {}
	
	public Attribute(String name, String type) {
		setName(name);
		setType(type);
	}
    
    public Attribute(AttributeDescriptor attributeDescriptor) {
        this(attributeDescriptor.getQualifiedName(),"xsd:string");
    }
	

    /**
     * Gets the attribute name
     * @return
     */
    public String getName() {
        return name;
    }

    /**
     * Sets the attribute name
     * @param string
     */
    public void setName(String string) {
        name = string;
    }

	/**
	 * Gets the attribute type
	 * @return
	 */
	public String getType() {
		return type;
	}

    /**
     * Sets the attribute type
     * @param string
     */
    public void setType(String string) {
        type = string;
    }

    public int hashCode() {
        return 0;
    }

    public boolean equals(Object obj) {
        boolean result = false;
        if (obj instanceof Attribute) {
            Attribute attribute = (Attribute) obj;
            result = isEqual(type, attribute.type) &&
                     isEqual(name, attribute.name);           
        }
        return result;
    }

    /**
     * Null safe equals method
     * @param one
     * @param two
     * @return
     */
    private boolean isEqual(String one, String two) {
        boolean result = false;
        if (one == null) {
            result = (two == null); 
        }
        else
        {
            result = one.equals(two);
        }
        
        return result;
    }

    public String toString() {
        return "<xsd:attribute name='" + name + "' type='" + type + "'/>";
    }
        
}