| /* |
| * 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.commons.sanselan.common.bytesource; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| public class ByteSourceArray extends ByteSource |
| { |
| private final byte bytes[]; |
| |
| public ByteSourceArray(String filename, byte bytes[]) |
| { |
| super(filename); |
| this.bytes = bytes; |
| } |
| |
| public ByteSourceArray(byte bytes[]) |
| { |
| super(null); |
| this.bytes = bytes; |
| } |
| |
| @Override |
| public InputStream getInputStream() |
| { |
| return new ByteArrayInputStream(bytes); |
| } |
| |
| @Override |
| public byte[] getBlock(int start, int length) throws IOException |
| { |
| // We include a separate check for int overflow. |
| if ((start < 0) || (length < 0) || (start + length < 0) || (start + length > bytes.length)) { |
| throw new IOException("Could not read block (block start: " + start |
| + ", block length: " + length + ", data length: " |
| + bytes.length + ")."); |
| } |
| |
| byte result[] = new byte[length]; |
| System.arraycopy(bytes, start, result, 0, length); |
| return result; |
| } |
| |
| @Override |
| public long getLength() |
| { |
| return bytes.length; |
| } |
| |
| @Override |
| public byte[] getAll() throws IOException |
| { |
| return bytes; |
| } |
| |
| @Override |
| public String getDescription() |
| { |
| return bytes.length + " byte array"; |
| } |
| |
| } |