| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| /* |
| * ByteArrayXOutputStream.java |
| * |
| * Created on 11. April 2003, 14:20 |
| */ |
| |
| package com.sun.star.lib.uno.adapter; |
| |
| /** |
| * |
| * @author lo119109 |
| */ |
| |
| import com.sun.star.io.*; |
| import com.sun.star.lib.uno.helper.ComponentBase; |
| |
| public class XOutputStreamToByteArrayAdapter |
| extends ComponentBase |
| implements XOutputStream |
| { |
| private int initialSize = 100240; // 10 kb |
| private int size = 0; |
| private int position = 0; |
| private boolean externalBuffer = false; |
| private boolean closed = false; |
| private byte[] buffer; |
| |
| /** Creates a new instance of ByteArrayXOutputStream */ |
| public XOutputStreamToByteArrayAdapter() { |
| this(null); |
| } |
| |
| public XOutputStreamToByteArrayAdapter(byte[] aBuffer) { |
| if (aBuffer != null) { |
| externalBuffer = true; |
| buffer = aBuffer; |
| size = buffer.length; |
| // System.err.println("new outputbuffer with external storage"); |
| } else { |
| size = initialSize; |
| buffer = new byte[size]; |
| // System.err.println("new outputbuffer with internal storage"); |
| } |
| } |
| |
| public byte[] getBuffer() { |
| return buffer; |
| } |
| |
| public void closeOutput() |
| throws com.sun.star.io.NotConnectedException, |
| com.sun.star.io.BufferSizeExceededException, |
| com.sun.star.io.IOException |
| { |
| // trim buffer |
| if ( buffer.length > position && !externalBuffer ) |
| { |
| byte[] newBuffer = new byte[position]; |
| System.arraycopy(buffer, 0, newBuffer, 0, position); |
| buffer = newBuffer; |
| } |
| closed = true; |
| } |
| |
| public void flush() |
| throws com.sun.star.io.NotConnectedException, |
| com.sun.star.io.BufferSizeExceededException, |
| com.sun.star.io.IOException |
| { |
| } |
| |
| public void writeBytes(byte[] values) |
| throws com.sun.star.io.NotConnectedException, |
| com.sun.star.io.BufferSizeExceededException, |
| com.sun.star.io.IOException |
| { |
| // System.err.println("writeBytes("+values.length+")"); |
| if ( values.length > size-position ) |
| { |
| if ( externalBuffer ) |
| throw new BufferSizeExceededException("out of buffer space, cannot grow external buffer"); |
| byte[] newBuffer = null; |
| while ( values.length > size-position ) |
| size *= 2; |
| // System.err.println("new buffer size is "+size+" bytes."); |
| newBuffer = new byte[size]; |
| System.arraycopy(buffer, 0, newBuffer, 0, position); |
| buffer = newBuffer; |
| } |
| System.arraycopy(values, 0, buffer, position, values.length); |
| position += values.length; |
| } |
| |
| } |