/*
* 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("s == null");
}
return convertImpl(s, flags, toAscii);
}
private static native String convertImpl(String s, int flags, boolean toAscii);
private NativeIDN() {}
}