aboutsummaryrefslogtreecommitdiff
path: root/libjava/java/io/StringReader.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/java/io/StringReader.java')
-rw-r--r--libjava/java/io/StringReader.java139
1 files changed, 0 insertions, 139 deletions
diff --git a/libjava/java/io/StringReader.java b/libjava/java/io/StringReader.java
deleted file mode 100644
index 60a912975af..00000000000
--- a/libjava/java/io/StringReader.java
+++ /dev/null
@@ -1,139 +0,0 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-package java.io;
-
-/**
- * @author Warren Levy <warrenl@cygnus.com>
- * @date October 19, 1998.
- */
-/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
- * "The Java Language Specification", ISBN 0-201-63451-1
- * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
- * Status: Believed complete and correct
- */
-
-public class StringReader extends Reader
-{
- /* A String provided by the creator of the stream. */
- private String buf;
-
- /* Position of the next char in buf to be read. */
- private int pos;
-
- /* The currently marked position in the stream. */
- private int markedPos;
-
- /* The index in buf one greater than the last valid character. */
- private int count;
-
- public StringReader(String buffer)
- {
- super();
- buf = buffer;
-
- count = buffer.length();
- markedPos = pos = 0;
- }
-
- public void close()
- {
- synchronized (lock)
- {
- buf = null;
- }
- }
-
- public void mark(int readAheadLimit) throws IOException
- {
- synchronized (lock)
- {
- if (buf == null)
- throw new IOException();
-
- // readAheadLimit is ignored per Java Class Lib. book, p. 1692.
- markedPos = pos;
- }
- }
-
- public boolean markSupported()
- {
- return true;
- }
-
- public int read() throws IOException
- {
- synchronized (lock)
- {
- if (buf == null)
- throw new IOException();
-
- if (pos < count)
- return ((int) buf.charAt(pos++)) & 0xFFFF;
- return -1;
- }
- }
-
- public int read(char[] b, int off, int len) throws IOException
- {
- synchronized (lock)
- {
- if (buf == null)
- throw new IOException();
-
- /* Don't need to check pos value, arraycopy will check it. */
- if (off < 0 || len < 0 || off + len > b.length)
- throw new ArrayIndexOutOfBoundsException();
-
- if (pos >= count)
- return -1;
-
- int lastChar = Math.min(count, pos + len);
- buf.getChars(pos, lastChar, b, off);
- int numChars = lastChar - pos;
- pos = lastChar;
- return numChars;
- }
- }
-
- public boolean ready() // TODO12: throws IOException
- {
- // TODO12: The JCL specifically says this returns true even if the
- // reader has been closed, whereas the online 1.2 doc specifically
- // says to throw an IOException if closed.
- return true;
- }
-
- public void reset() throws IOException
- {
- synchronized (lock)
- {
- if (buf == null)
- throw new IOException();
-
- pos = markedPos;
- }
- }
-
- public long skip(long n) throws IOException
- {
- synchronized (lock)
- {
- if (buf == null)
- throw new IOException();
-
- // Even though the var numChars is a long, in reality it can never
- // be larger than an int since the result of subtracting 2 positive
- // ints will always fit in an int. Since we have to return a long
- // anyway, numChars might as well just be a long.
- long numChars = Math.min((long) (count - pos), n < 0 ? 0L : n);
- pos += numChars;
- return numChars;
- }
- }
-}