1 package org.symbian.tools.tmw.internal.ui.wizard;

     2 

     3 import java.text.MessageFormat;

     4 import java.util.regex.Matcher;

     5 import java.util.regex.Pattern;

     6 

     7 import org.eclipse.core.databinding.validation.IValidator;

     8 import org.eclipse.core.runtime.IStatus;

     9 import org.eclipse.core.runtime.Status;

    10 import org.symbian.tools.tmw.ui.TMWCoreUI;

    11 

    12 public class RegexpValidator implements IValidator {

    13     private final String errorMessage;

    14     private final Pattern pattern;

    15     private final boolean match;

    16 

    17     public RegexpValidator(String pattern, String errorMessage, boolean match) {

    18         this.errorMessage = errorMessage;

    19         this.match = match;

    20         this.pattern = Pattern.compile(pattern);

    21     }

    22 

    23     public IStatus validate(Object value) {

    24         String string = value.toString();

    25         Matcher matcher = pattern.matcher(string);

    26         if (match && !matcher.matches()) {

    27             return new Status(IStatus.ERROR, TMWCoreUI.PLUGIN_ID, MessageFormat.format(errorMessage, string));

    28         } else if (!match && matcher.find()) {

    29             return new Status(IStatus.ERROR, TMWCoreUI.PLUGIN_ID, MessageFormat.format(errorMessage,

    30                     string.substring(matcher.start(), matcher.end())));

    31         } else {

    32             return Status.OK_STATUS;

    33         }

    34     }

    35 

    36 }