| /* |
| * Copyright (C) 2005 db4objects Inc. http://www.db4o.com |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * db4objects - Initial API and implementation |
| */ |
| package org.eclipse.jface.databinding.validator; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| |
| /** |
| * RegularExpressionVerifier. A generic String validator that uses regular expressions to |
| * specify validation rules. |
| */ |
| public class RegexStringValidator implements IValidator { |
| |
| private Pattern fragmentRegex; |
| private Pattern fullValueRegex; |
| private String hint; |
| |
| /** |
| * Constructor RegularExpressionValidator. Construct a string validator based on regular |
| * expressions. |
| * |
| * Verify input using regular expressions. |
| * |
| * @param partiallyValidRegex A regex that matches iff the value is partially valid |
| * @param fullyValidRegex A regex that matches iff the value is fully valid |
| * @param hint The hint to display if the value is invalid |
| */ |
| public RegexStringValidator(String partiallyValidRegex, |
| String fullyValidRegex, String hint) { |
| super(); |
| this.fragmentRegex = Pattern.compile(partiallyValidRegex); |
| this.fullValueRegex = Pattern.compile(fullyValidRegex); |
| this.hint = hint; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.databinding.validator.IValidator#isPartiallyValid(java.lang.Object) |
| */ |
| public String isPartiallyValid(Object fragment) { |
| Matcher matcher = fragmentRegex.matcher((String)fragment); |
| if (matcher.find()) |
| return null; |
| |
| return hint; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ICellEditorValidator#isValid(java.lang.Object) |
| */ |
| public String isValid(Object value) { |
| String stringValue = (String) value; |
| Matcher matcher = fullValueRegex.matcher(stringValue); |
| if (matcher.find()) |
| return null; |
| |
| return hint; |
| } |
| |
| } |