| /* |
| [The "BSD licence"] |
| Copyright (c) 2005-2008 Terence Parr |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions |
| are met: |
| 1. Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| 3. The name of the author may not be used to endorse or promote products |
| derived from this software without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.eclipse.persistence.internal.libraries.antlr.runtime; |
| |
| import java.io.*; |
| |
| /** A kind of ReaderStream that pulls from an InputStream. |
| * Useful for reading from stdin and specifying file encodings etc... |
| */ |
| public class ANTLRInputStream extends ANTLRReaderStream { |
| public ANTLRInputStream() { |
| } |
| |
| public ANTLRInputStream(InputStream input) throws IOException { |
| this(input, null); |
| } |
| |
| public ANTLRInputStream(InputStream input, int size) throws IOException { |
| this(input, size, null); |
| } |
| |
| public ANTLRInputStream(InputStream input, String encoding) throws IOException { |
| this(input, INITIAL_BUFFER_SIZE, encoding); |
| } |
| |
| public ANTLRInputStream(InputStream input, int size, String encoding) throws IOException { |
| this(input, size, READ_BUFFER_SIZE, encoding); |
| } |
| |
| public ANTLRInputStream(InputStream input, |
| int size, |
| int readBufferSize, |
| String encoding) |
| throws IOException |
| { |
| InputStreamReader isr; |
| if ( encoding!=null ) { |
| isr = new InputStreamReader(input, encoding); |
| } |
| else { |
| isr = new InputStreamReader(input); |
| } |
| load(isr, size, readBufferSize); |
| } |
| } |