From bbbc051aa70b8c3dc98218b7b7ca23bea588f41a Mon Sep 17 00:00:00 2001 From: Joe Robinson Date: Wed, 27 Oct 2010 17:16:37 +0100 Subject: Removed duplicate org.apache.commons files --- .../commons/net/io/FromNetASCIIInputStream.java | 205 --------------------- 1 file changed, 205 deletions(-) delete mode 100644 org/apache/commons/net/io/FromNetASCIIInputStream.java (limited to 'org/apache/commons/net/io/FromNetASCIIInputStream.java') diff --git a/org/apache/commons/net/io/FromNetASCIIInputStream.java b/org/apache/commons/net/io/FromNetASCIIInputStream.java deleted file mode 100644 index 76588ab..0000000 --- a/org/apache/commons/net/io/FromNetASCIIInputStream.java +++ /dev/null @@ -1,205 +0,0 @@ -/* - * 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.net.io; - -import java.io.IOException; -import java.io.InputStream; -import java.io.PushbackInputStream; - -/*** - * This class wraps an input stream, replacing all occurrences - * of <CR><LF> (carriage return followed by a linefeed), - * which is the NETASCII standard for representing a newline, with the - * local line separator representation. You would use this class to - * implement ASCII file transfers requiring conversion from NETASCII. - *

- *

- * @author Daniel F. Savarese - ***/ - -public final class FromNetASCIIInputStream extends PushbackInputStream -{ - static final boolean _noConversionRequired; - static final String _lineSeparator; - static final byte[] _lineSeparatorBytes; - - static { - _lineSeparator = System.getProperty("line.separator"); - _noConversionRequired = _lineSeparator.equals("\r\n"); - _lineSeparatorBytes = _lineSeparator.getBytes(); - } - - private int __length = 0; - - /*** - * Returns true if the NetASCII line separator differs from the system - * line separator, false if they are the same. This method is useful - * to determine whether or not you need to instantiate a - * FromNetASCIIInputStream object. - *

- * @return True if the NETASCII line separator differs from the local - * system line separator, false if they are the same. - ***/ - public static final boolean isConversionRequired() - { - return !_noConversionRequired; - } - - /*** - * Creates a FromNetASCIIInputStream instance that wraps an existing - * InputStream. - ***/ - public FromNetASCIIInputStream(InputStream input) - { - super(input, _lineSeparatorBytes.length + 1); - } - - - private int __read() throws IOException - { - int ch; - - ch = super.read(); - - if (ch == '\r') - { - ch = super.read(); - if (ch == '\n') - { - unread(_lineSeparatorBytes); - ch = super.read(); - // This is a kluge for read(byte[], ...) to read the right amount - --__length; - } - else - { - if (ch != -1) - unread(ch); - return '\r'; - } - } - - return ch; - } - - - /*** - * Reads and returns the next byte in the stream. If the end of the - * message has been reached, returns -1. Note that a call to this method - * may result in multiple reads from the underlying input stream in order - * to convert NETASCII line separators to the local line separator format. - * This is transparent to the programmer and is only mentioned for - * completeness. - *

- * @return The next character in the stream. Returns -1 if the end of the - * stream has been reached. - * @exception IOException If an error occurs while reading the underlying - * stream. - ***/ - @Override - public int read() throws IOException - { - if (_noConversionRequired) - return super.read(); - - return __read(); - } - - - /*** - * Reads the next number of bytes from the stream into an array and - * returns the number of bytes read. Returns -1 if the end of the - * stream has been reached. - *

- * @param buffer The byte array in which to store the data. - * @return The number of bytes read. Returns -1 if the - * end of the message has been reached. - * @exception IOException If an error occurs in reading the underlying - * stream. - ***/ - @Override - public int read(byte buffer[]) throws IOException - { - return read(buffer, 0, buffer.length); - } - - - /*** - * Reads the next number of bytes from the stream into an array and returns - * the number of bytes read. Returns -1 if the end of the - * message has been reached. The characters are stored in the array - * starting from the given offset and up to the length specified. - *

- * @param buffer The byte array in which to store the data. - * @param offset The offset into the array at which to start storing data. - * @param length The number of bytes to read. - * @return The number of bytes read. Returns -1 if the - * end of the stream has been reached. - * @exception IOException If an error occurs while reading the underlying - * stream. - ***/ - @Override - public int read(byte buffer[], int offset, int length) throws IOException - { - int ch, off; - - if (length < 1) - return 0; - - ch = available(); - - __length = (length > ch ? ch : length); - - // If nothing is available, block to read only one character - if (__length < 1) - __length = 1; - - if (_noConversionRequired) - return super.read(buffer, offset, __length); - - if ((ch = __read()) == -1) - return -1; - - off = offset; - - do - { - buffer[offset++] = (byte)ch; - } - while (--__length > 0 && (ch = __read()) != -1); - - - return (offset - off); - } - - - // PushbackInputStream in JDK 1.1.3 returns the wrong thing - /*** - * Returns the number of bytes that can be read without blocking EXCEPT - * when newline conversions have to be made somewhere within the - * available block of bytes. In other words, you really should not - * rely on the value returned by this method if you are trying to avoid - * blocking. - ***/ - @Override - public int available() throws IOException - { - return (buf.length - pos) + in.available(); - } - -} -- cgit v1.2.3