org.apache.cxf.common.util.Base64UrlUtility Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cxf.common.util;
/**
* Base64 URL Encoding/Decoding utility.
*
* Character 62 ('+') is '-', Character 63 ('/') is '_';
* Padding characters are dropped after the encoding.
*
*/
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
public final class Base64UrlUtility {
private Base64UrlUtility() {
//utility class, never constructed
}
public static byte[] decode(String encoded) throws Base64Exception {
return Base64Utility.decode(encoded, true);
}
public static String encode(String str) {
return encode(str.getBytes(StandardCharsets.UTF_8));
}
public static String encode(byte[] id) {
return encodeChunk(id, 0, id.length);
}
public static String encodeChunk(byte[] id, int offset, int length) {
char[] chunk = Base64Utility.encodeChunk(id, offset, length, true);
if (chunk != null) {
return new String(chunk);
}
return null;
}
public static void encodeAndStream(byte[] id,
int o,
int l,
OutputStream os) throws IOException {
Base64Utility.encodeAndStream(id, o, l, true, os);
}
}