public boolean addCssProperty(final String cssName, final String cssValue) {
    """
	eg: {@code addCssProperty("color", "green")}
	
	@param cssName
	eg: color
	@param cssValue
	eg: green (for color styleName)
	@since 1.0.0
	@author WFF
	@return true if the cssName and cssValue has been added or modified. If
	it contains same style name and value then it will return false.
    """

        final long stamp = lock.writeLock();
        try {

            if (cssName == null) {
                throw new NullValueException("styleName cannot be null");
            }
            final String strippedCssName = StringUtil.strip(cssName);
            if (StringUtil.endsWithColon(strippedCssName)) {
                throw new InvalidValueException(
                        "cssName can not end with : (colon)");
            }
            if (cssValue == null) {
                throw new NullValueException("cssValue cannot be null");
            }
            final String trimmedCssValue = StringUtil.strip(cssValue);
            if (trimmedCssValue.length() > 0
                    && (trimmedCssValue.charAt(0) == ':' || trimmedCssValue
                            .charAt(trimmedCssValue.length() - 1) == ';')) {
                throw new InvalidValueException(
                        "value can not start with : (colon) or end with ; (semicolon)");
            }

            final boolean addToAttributeValueMap = super.addToAttributeValueMap(
                    strippedCssName, cssValue);
            if (addToAttributeValueMap) {
                // to save the corresponding
                // object to abstractCssPropertyClassObjects
                getCssPropertyLockless(strippedCssName);
            }
            return addToAttributeValueMap;
        } finally {
            lock.unlockWrite(stamp);
        }
    }
public boolean addCssProperty(final String cssName, final String cssValue) {

        final long stamp = lock.writeLock();
        try {

            if (cssName == null) {
                throw new NullValueException("styleName cannot be null");
            }
            final String strippedCssName = StringUtil.strip(cssName);
            if (StringUtil.endsWithColon(strippedCssName)) {
                throw new InvalidValueException(
                        "cssName can not end with : (colon)");
            }
            if (cssValue == null) {
                throw new NullValueException("cssValue cannot be null");
            }
            final String trimmedCssValue = StringUtil.strip(cssValue);
            if (trimmedCssValue.length() > 0
                    && (trimmedCssValue.charAt(0) == ':' || trimmedCssValue
                            .charAt(trimmedCssValue.length() - 1) == ';')) {
                throw new InvalidValueException(
                        "value can not start with : (colon) or end with ; (semicolon)");
            }

            final boolean addToAttributeValueMap = super.addToAttributeValueMap(
                    strippedCssName, cssValue);
            if (addToAttributeValueMap) {
                // to save the corresponding
                // object to abstractCssPropertyClassObjects
                getCssPropertyLockless(strippedCssName);
            }
            return addToAttributeValueMap;
        } finally {
            lock.unlockWrite(stamp);
        }
    }
public boolean addCssProperty ( final String cssName , final String cssValue ) { final long stamp = lock . writeLock ( ) ; try { if ( cssName == null ) { throw new NullValueException ( "styleName cannot be null" ) ; } final String strippedCssName = StringUtil . strip ( cssName ) ; if ( StringUtil . endsWithColon ( strippedCssName ) ) { throw new InvalidValueException ( "cssName can not end with : (colon)" ) ; } if ( cssValue == null ) { throw new NullValueException ( "cssValue cannot be null" ) ; } final String trimmedCssValue = StringUtil . strip ( cssValue ) ; if ( trimmedCssValue . length ( ) > 0 && ( trimmedCssValue . charAt ( 0 ) == ' ' || trimmedCssValue . charAt ( trimmedCssValue . length ( ) - 1 ) == ' ' ) ) { throw new InvalidValueException ( "value can not start with : (colon) or end with ; (semicolon)" ) ; } final boolean addToAttributeValueMap = super . addToAttributeValueMap ( strippedCssName , cssValue ) ; if ( addToAttributeValueMap ) { // to save the corresponding // object to abstractCssPropertyClassObjects getCssPropertyLockless ( strippedCssName ) ; } return addToAttributeValueMap ; } finally { lock . unlockWrite ( stamp ) ; } }
eg: {@code addCssProperty("color", "green")}

@param cssName
eg: color
@param cssValue
eg: green (for color styleName)
@since 1.0.0
@author WFF
@return true if the cssName and cssValue has been added or modified. If
it contains same style name and value then it will return false.
eg : { @code addCssProperty ( color green ) }