| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package libcore.icu; |
| |
| public final class NativeIDN { |
| public static String toASCII(String s, int flags) { |
| return convert(s, flags, true); |
| } |
| |
| public static String toUnicode(String s, int flags) { |
| try { |
| return convert(s, flags, false); |
| } catch (IllegalArgumentException ex) { |
| // The RI documentation explicitly states that this method can't fail. |
| // ICU4C disagrees, as does the RI in practice. |
| // The RI just returns the input string if it can't |
| return s; |
| } |
| } |
| |
| private static String convert(String s, int flags, boolean toAscii) { |
| if (s == null) { |
| throw new NullPointerException(); |
| } |
| return convertImpl(s, flags, toAscii); |
| } |
| private static native String convertImpl(String s, int flags, boolean toAscii); |
| |
| private NativeIDN() {} |
| } |