litesoft
@ 948
litesoft / trunk / GWT_Sandbox / FormEngine / src / com / temp / shared / validators / RequiredValueValidator.java
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package com.temp.shared.validators; import org.litesoft.core.util.externalization.*; import com.temp.shared.*; public class RequiredValueValidator implements ValueValidator { public static final String TEMPLATE_ID_CODE = "Required"; public static final ValueValidator INSTANCE = new RequiredValueValidator(); private RequiredValueValidator() { } @Override public E13nData checkValue( Object value ) { if ( value != null ) { if ( !(value instanceof String) || (((String) value).trim().length() != 0) ) { return null; // !null && (!String || String ! Empty) } } return new E13nData( TEMPLATE_ID_CODE ); } } |