| /* |
| * 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 |
| * Tom Schindl<tom.schindl@bestsolution.at> - bugfix for 217940 |
| */ |
| package org.eclipse.core.internal.databinding.conversion; |
| |
| import java.util.Arrays; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.databinding.conversion.IConverter; |
| import org.eclipse.core.internal.databinding.BindingMessages; |
| |
| /** |
| * StringToBooleanPrimitiveConverter. |
| */ |
| public class StringToBooleanPrimitiveConverter implements IConverter { |
| private static final String[] trueValues; |
| |
| private static final String[] falseValues; |
| |
| static { |
| String delimiter = BindingMessages.getString(BindingMessages.VALUE_DELIMITER); |
| String values = BindingMessages.getString(BindingMessages.TRUE_STRING_VALUES); |
| trueValues = valuesToSortedArray(delimiter, values); |
| |
| values = BindingMessages.getString(BindingMessages.FALSE_STRING_VALUES); |
| falseValues = valuesToSortedArray(delimiter, values); |
| } |
| |
| /** |
| * Returns a sorted array with all values converted to upper case. |
| * |
| * @param delimiter |
| * @param values |
| * @return sorted array of values |
| */ |
| private static String[] valuesToSortedArray(String delimiter, String values) { |
| List list = new LinkedList(); |
| StringTokenizer tokenizer = new StringTokenizer(values, delimiter); |
| while (tokenizer.hasMoreTokens()) { |
| list.add(tokenizer.nextToken().toUpperCase()); |
| } |
| |
| String[] array = (String[]) list.toArray(new String[list.size()]); |
| Arrays.sort(array); |
| |
| return array; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.binding.converter.IConverter#convert(java.lang.Object) |
| */ |
| public Object convert(Object source) { |
| String s = (String) source; |
| s = s.toUpperCase(); |
| |
| if (Arrays.binarySearch(trueValues, s) > -1) { |
| return Boolean.TRUE; |
| } |
| |
| if (Arrays.binarySearch(falseValues, s) > -1) { |
| return Boolean.FALSE; |
| } |
| |
| throw new IllegalArgumentException(s + " is not a legal boolean value"); //$NON-NLS-1$ |
| } |
| |
| public Object getFromType() { |
| return String.class; |
| } |
| |
| public Object getToType() { |
| return Boolean.TYPE; |
| } |
| |
| } |