| /* |
| * 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.axiom.util.base64; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * {@link OutputStream} implementation that writes base64 encoded data to a {@link StringBuffer} or |
| * {@link StringBuilder}. The data is <b>not</b> buffered before writing it to the target. |
| */ |
| public class Base64EncodingStringBufferOutputStream extends AbstractBase64EncodingOutputStream { |
| private final Appendable buffer; |
| |
| /** |
| * Constructor. |
| * |
| * @param buffer the buffer to append the encoded data to |
| */ |
| public Base64EncodingStringBufferOutputStream(StringBuffer buffer) { |
| this.buffer = buffer; |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param buffer the buffer to append the encoded data to |
| */ |
| public Base64EncodingStringBufferOutputStream(StringBuilder buffer) { |
| this.buffer = buffer; |
| } |
| |
| @Override |
| protected void doWrite(byte[] b) throws IOException { |
| for (int i=0; i<4; i++) { |
| buffer.append((char)(b[i] & 0xFF)); |
| } |
| } |
| |
| @Override |
| protected void flushBuffer() throws IOException { |
| // Nothing to do |
| } |
| |
| @Override |
| protected void doClose() throws IOException { |
| // Nothing to do |
| } |
| |
| @Override |
| protected void doFlush() throws IOException { |
| // Nothing to do |
| } |
| } |