// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.ui.support;

import org.litesoft.core.typeutils.*;
import org.litesoft.core.util.*;
import org.litesoft.ui.def.nonpublic.support.*;

public final class LabelUsage implements UiUsage
{
    public static final long serialVersionUID = -7832343234032168222L;

    public static final LabelUsage[] EMPTY_ARRAY = new LabelUsage[0];

    private String mLabelID;

    /**
     * @deprecated GWT ONLY
     */
    public LabelUsage()
    {
    }

    public LabelUsage( String pLabelID )
    {
        mLabelID = UtilsCommon.assertNotNullNotEmpty( "LabelID", pLabelID );
    }

    public String getLabelID()
    {
        return mLabelID;
    }

    public boolean equals( Object o )
    {
        return (this == o) || ((o instanceof LabelUsage) && equals( (LabelUsage) o ));
    }

    public boolean equals( LabelUsage them )
    {
        return (this == them) || ((them != null) //
                                  && Objects.areNonArraysEqual( this.mLabelID, them.mLabelID ) //
        );
    }

    public int hashCode()
    {
        return mLabelID.hashCode();
    }

    public int compareTo( LabelUsage pThem )
    {
        return Compare.first( this.mLabelID, pThem.mLabelID ).result();
    }

    public int compareTo( Object pObject )
    {
        return compareTo( (LabelUsage) pObject );
    }

    public String toString()
    {
        return toStringBuilder( new StringBuilder().append( "LabelUsage-" ), 0 ).toString();
    }

    public StringBuilder toStringBuilder( StringBuilder pSB, int pDepth )
    {
        return pSB.append( mLabelID );
    }
}