| /* |
| * 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.jackrabbit.vault.util; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * {@code BinaryCheckOutputStream}... |
| */ |
| public class BinaryCheckOutputStream extends OutputStream { |
| |
| private final OutputStream out; |
| |
| private boolean binary; |
| |
| private static final boolean[] binaries = new boolean[256]; |
| static { |
| for (int i=0; i<32; i++) { |
| binaries[i] = true; |
| } |
| binaries['\r'] = false; |
| binaries['\n'] = false; |
| binaries['\t'] = false; |
| binaries['\b'] = false; |
| binaries['\f'] = false; |
| } |
| |
| public BinaryCheckOutputStream(OutputStream out) { |
| this.out = out; |
| } |
| |
| public boolean isBinary() { |
| return binary; |
| } |
| |
| public void write(int b) throws IOException { |
| if (!binary) { |
| binary = binaries[b & 0xff]; |
| } |
| out.write(b); |
| } |
| |
| public void write(byte[] b) throws IOException { |
| for (int i=0; i < b.length && !binary; i++) { |
| binary = binaries[b[i] & 0xff]; |
| } |
| out.write(b); |
| } |
| |
| public void write(byte[] b, int off, int len) throws IOException { |
| for (int i=0; i < len && !binary; i++) { |
| binary = binaries[b[i+off] & 0xff]; |
| } |
| out.write(b, off, len); |
| } |
| |
| public void flush() throws IOException { |
| out.flush(); |
| } |
| |
| public void close() throws IOException { |
| out.close(); |
| } |
| |
| } |