public boolean equals()

in tapestry-framework/src/org/apache/tapestry/util/MultiKey.java [101:148]

• 28 lines of code
• 10 McCabe index (conditional complexity)

    public boolean equals(Object other)
    {
        int i;

        if (other == null)
            return false;

        if (keys == null)
            throw new IllegalStateException(Tapestry.getMessage("MultiKey.no-keys"));

        // Would a hashCode check be worthwhile here?

        try
        {
            MultiKey otherMulti = (MultiKey) other;

            if (keys.length != otherMulti.keys.length)
                return false;

            for (i = 0; i < keys.length; i++)
            {
                // On an exact match, continue.  This means that null matches
                // null.

                if (keys[i] == otherMulti.keys[i])
                    continue;

                // If either is null, but not both, then
                // not a match.

                if (keys[i] == null || otherMulti.keys[i] == null)
                    return false;

                if (!keys[i].equals(otherMulti.keys[i]))
                    return false;

            }

            // Every key equal.  A match.

            return true;
        }
        catch (ClassCastException e)
        {
        }

        return false;
    }