001    /*******************************************************************************
002     * Portions created by Sebastian Thomschke are copyright (c) 2005-2011 Sebastian
003     * Thomschke.
004     * 
005     * All Rights Reserved. This program and the accompanying materials
006     * are made available under the terms of the Eclipse Public License v1.0
007     * which accompanies this distribution, and is available at
008     * http://www.eclipse.org/legal/epl-v10.html
009     * 
010     * Contributors:
011     *     Sebastian Thomschke - initial implementation.
012     *******************************************************************************/
013    package net.sf.oval.constraint;
014    
015    import net.sf.oval.ConstraintTarget;
016    import net.sf.oval.Validator;
017    import net.sf.oval.configuration.annotation.AbstractAnnotationCheck;
018    import net.sf.oval.context.OValContext;
019    
020    /**
021     * @author Sebastian Thomschke
022     */
023    public class NotBlankCheck extends AbstractAnnotationCheck<NotBlank>
024    {
025            private static final long serialVersionUID = 1L;
026    
027            /**
028             * {@inheritDoc}
029             */
030            @Override
031            protected ConstraintTarget[] getAppliesToDefault()
032            {
033                    return new ConstraintTarget[]{ConstraintTarget.VALUES};
034            }
035    
036            /**
037             * {@inheritDoc}
038             */
039            public boolean isSatisfied(final Object validatedObject, final Object valueToValidate, final OValContext context,
040                            final Validator validator)
041            {
042                    if (valueToValidate == null) return true;
043    
044                    final String str = valueToValidate.toString();
045    
046                    final int l = str.length();
047                    for (int i = 0; i < l; i++)
048                    {
049                            final char ch = str.charAt(i);
050                            if (!(Character.isSpaceChar(ch) || Character.isWhitespace(ch))) return true;
051                    }
052    
053                    return false;
054            }
055    }