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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.core.simpletypes.nonpublic; import org.litesoft.core.typeutils.*; /** * @noinspection EqualsAndHashcode */ public abstract class AbstractXY<T extends AbstractXY> extends CompareSupport<T> implements SimpleType { protected int mX, mY; /** * @deprecated - for Serialization */ protected AbstractXY() { } protected AbstractXY( int pX, int pY ) { setX( pX ); setY( pY ); } private void setX( int pX ) { mX = validate( "X", pX ); } public int getX() { return mX; } private void setY( int pY ) { mY = validate( "Y", pY ); } public int getY() { return mY; } public int hashCode() { return hashCodeEm( calcHashCode( mX ), // calcHashCode( mY ) ); } protected boolean LLequals( AbstractXY them ) { return (this == them) || // ((them != null) // && equal( this.mX, them.mX ) // && equal( this.mY, them.mY ) // ); } /** * Row (Y) then Column (X) */ public int compareTo( T them ) { return compareEm( compare( this.mY, them.mY ), // compare( this.mX, them.mX ) ); } abstract protected int validate( String pWhat, int pValue ); private static IllegalArgumentException populateProblem( String pWhat, String pWhy ) { return new IllegalArgumentException( pWhat + "XY from string value" + pWhy ); } private static int parseValue( String pWhat, String pXorY, String pValue ) { if ( (pValue = pValue.trim()).length() == 0 ) { throw populateProblem( pWhat, ": did not have a '" + pXorY + "' value" ); } try { return Integer.parseInt( pValue ); } catch ( NumberFormatException e ) { throw populateProblem( pWhat, ", '" + pXorY + "' value: " + e.getMessage() ); } } protected static void populate( String pWhat, AbstractXY pXY, String pToString ) { if ( pToString == null ) { throw populateProblem( pWhat, Objects.NOT_ALLOWED_TO_BE_NULL ); } pToString = pToString.trim(); if ( !pToString.startsWith( "(" ) ) { throw populateProblem( pWhat, ": did not start with '('" ); } if ( !pToString.startsWith( "(" ) ) { throw populateProblem( pWhat, ": did not end with ')'" ); } int zCommaAt = pToString.indexOf( ',' ); if ( zCommaAt == -1 ) { throw populateProblem( pWhat, ": No X-Y sep ','" ); } pXY.setX( parseValue( pWhat, "X", pToString.substring( 1, zCommaAt ) ) ); pXY.setY( parseValue( pWhat, "Y", pToString.substring( zCommaAt + 1, pToString.length() - 1 ) ) ); } public String toString() { return "(" + mX + "," + mY + ")"; } } |