SimpleTypeSafeEnum.java :  » Testing » DDTUnit » junitx » ddtunit » resources » Java Open Source

//$Id: SimpleTypeSafeEnum.java 131 2005-04-06 22:33:47Z jg_hamburg $
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 * DDTUnit, a Datadriven Approach to Unit- and Moduletesting
 * Copyright (c) 2004, Joerg and Kai Gellien
 * All rights reserved.
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package junitx.ddtunit.resources;

/**
 * Class represents a typesafe enumeration class example for test purposes.
 * 
 * @author jg
 */
public class SimpleTypeSafeEnum {
    private String text;

    public final static SimpleTypeSafeEnum FIRST_ENUM = new SimpleTypeSafeEnum(
            "first");

    public final static SimpleTypeSafeEnum SECOND_ENUM = new SimpleTypeSafeEnum(
            "second");

    public final static SimpleTypeSafeEnum THIRD_ENUM = new SimpleTypeSafeEnum(
            "third");

    private SimpleTypeSafeEnum() {
        // no special init
    }

    private SimpleTypeSafeEnum(String text) {
        this.text = text;
    }

    /**
     * Returns <code>true</code> if this <code>SimpleTypeSafeEnum</code> is
     * the same as the o argument.
     * 
     * @return <code>true</code> if this <code>SimpleTypeSafeEnum</code> is
     *         the same as the o argument.
     */
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null) {
            return false;
        }
        if (o.getClass() != getClass()) {
            return false;
        }
        SimpleTypeSafeEnum castedObj = (SimpleTypeSafeEnum) o;
        return ((this.text == null ? castedObj.text == null : this.text
            .equals(castedObj.text)));
    }

    /**
     * Override hashCode.
     * 
     * @return the Objects hashcode.
     */
    public int hashCode() {
        int hashCode = 1;
        hashCode = 31 * hashCode + (text == null ? 0 : text.hashCode());
        return hashCode;
    }
    public String toString() {
        StringBuffer buffer = new StringBuffer();
        buffer.append("SimpleTypeSafeEnum: ");
        buffer.append(text);
        return buffer.toString();
    }
}