| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.internal; |
| |
| import java.io.UnsupportedEncodingException; |
| |
| |
| /** |
| * This class implements the conversions between unicode characters |
| * and the <em>platform supported</em> representation for characters. |
| * <p> |
| * Note that, unicode characters which can not be found in the platform |
| * encoding will be converted to an arbitrary platform specific character. |
| * </p> |
| */ |
| |
| public final class Converter { |
| public static final byte [] NullByteArray = new byte [1]; |
| public static final byte [] EmptyByteArray = new byte [0]; |
| public static final char [] EmptyCharArray = new char [0]; |
| /** |
| * Returns the default code page for the platform where the |
| * application is currently running. |
| * |
| * @return the default code page |
| */ |
| public static String defaultCodePage () { |
| return "UTF8"; |
| } |
| public static char [] mbcsToWcs (String codePage, byte [] buffer) { |
| try { |
| return new String (buffer, defaultCodePage ()).toCharArray (); |
| } catch (UnsupportedEncodingException e) { |
| return EmptyCharArray; |
| } |
| } |
| public static byte [] wcsToMbcs (String codePage, String string, boolean terminate) { |
| try { |
| if (!terminate) return string.getBytes (defaultCodePage ()); |
| byte [] buffer1 = string.getBytes (defaultCodePage ()); |
| byte [] buffer2 = new byte [buffer1.length + 1]; |
| System.arraycopy (buffer1, 0, buffer2, 0, buffer1.length); |
| return buffer2; |
| } catch (UnsupportedEncodingException e) { |
| return terminate ? NullByteArray : EmptyByteArray; |
| } |
| } |
| public static byte [] wcsToMbcs (String codePage, char [] buffer, boolean terminate) { |
| try { |
| if (!terminate) return new String (buffer).getBytes (defaultCodePage ()); |
| byte [] buffer1 = new String (buffer).getBytes (defaultCodePage ()); |
| byte [] buffer2 = new byte [buffer1.length + 1]; |
| System.arraycopy (buffer1, 0, buffer2, 0, buffer1.length); |
| return buffer2; |
| } catch (UnsupportedEncodingException e) { |
| return terminate ? NullByteArray : EmptyByteArray; |
| } |
| } |
| } |