2014-09-04 11:04:51 +02:00
|
|
|
/**
|
|
|
|
*
|
|
|
|
* Copyright the original author or authors
|
|
|
|
*
|
|
|
|
* 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.jivesoftware.smack.util.stringencoder.java7;
|
|
|
|
|
|
|
|
import java.io.UnsupportedEncodingException;
|
|
|
|
|
|
|
|
import org.jivesoftware.smack.util.StringUtils;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* A Base 64 encoding implementation.
|
|
|
|
* @author Florian Schmaus
|
|
|
|
*/
|
|
|
|
public class Java7Base64Encoder implements org.jivesoftware.smack.util.stringencoder.Base64.Encoder {
|
|
|
|
|
|
|
|
private static Java7Base64Encoder instance = new Java7Base64Encoder();
|
|
|
|
|
2014-09-07 17:22:32 +02:00
|
|
|
private static int BASE64_ENCODER_FLAGS = Base64.DONT_BREAK_LINES;
|
2014-09-05 23:19:27 +02:00
|
|
|
|
2014-09-04 11:04:51 +02:00
|
|
|
private Java7Base64Encoder() {
|
|
|
|
// Use getInstance()
|
|
|
|
}
|
|
|
|
|
|
|
|
public static Java7Base64Encoder getInstance() {
|
|
|
|
return instance;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public byte[] decode(String string) {
|
|
|
|
return Base64.decode(string);
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public byte[] decode(byte[] input, int offset, int len) {
|
|
|
|
return Base64.decode(input, offset, len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public String encodeToString(byte[] input, int offset, int len) {
|
2014-09-05 23:19:27 +02:00
|
|
|
return Base64.encodeBytes(input, offset, len, BASE64_ENCODER_FLAGS);
|
2014-09-04 11:04:51 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public byte[] encode(byte[] input, int offset, int len) {
|
|
|
|
String string = encodeToString(input, offset, len);
|
|
|
|
try {
|
|
|
|
return string.getBytes(StringUtils.USASCII);
|
|
|
|
} catch (UnsupportedEncodingException e) {
|
|
|
|
throw new AssertionError(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|