/*
* Copyright 2012-2014 Brian Campbell
*
* 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 org.jose4j.base64url;
import org.jose4j.base64url.internal.apache.commons.codec.binary.Base64;
import org.jose4j.lang.StringUtil;
/**
*/
public class Base64Url
{
private Base64 base64urlCodec;
public Base64Url()
{
this.base64urlCodec = new Base64(-1, null, true);
}
public String base64UrlDecodeToUtf8String(String encodedValue)
{
return base64UrlDecodeToString(encodedValue, StringUtil.UTF_8);
}
public String base64UrlDecodeToString(String encodedValue, String charsetName)
{
byte[] bytes = base64UrlDecode(encodedValue);
return StringUtil.newString(bytes, charsetName);
}
public byte[] base64UrlDecode(String encodedValue)
{
return base64urlCodec.decode(encodedValue);
}
public String base64UrlEncodeUtf8ByteRepresentation(String value)
{
return base64UrlEncode(value, StringUtil.UTF_8);
}
public String base64UrlEncode(String value, String charsetName)
{
byte[] bytes = StringUtil.getBytesUnchecked(value, charsetName);
return base64UrlEncode(bytes);
}
public String base64UrlEncode(byte[] bytes)
{
return base64urlCodec.encodeToString(bytes);
}
private static Base64Url getOne()
{
return new Base64Url();
}
public static String decodeToUtf8String(String encodedValue)
{
return getOne().base64UrlDecodeToString(encodedValue, StringUtil.UTF_8);
}
public static String decodeToString(String encodedValue, String charsetName)
{
return getOne().base64UrlDecodeToString(encodedValue, charsetName);
}
public static byte[] decode(String encodedValue)
{
return getOne().base64UrlDecode(encodedValue);
}
public static String encodeUtf8ByteRepresentation(String value)
{
return getOne().base64UrlEncodeUtf8ByteRepresentation(value);
}
public static String encode(String value, String charsetName)
{
return getOne().base64UrlEncode(value, charsetName);
}
public static String encode(byte[] bytes)
{
return getOne().base64UrlEncode(bytes);
}
}