org.xwt.mips -> org.ibex.nestedvm

[nestedvm.git] / src / org / xwt / mips / util / SeekableInputStream.java

diff --git a/src/org/xwt/mips/util/SeekableInputStream.java b/src/org/xwt/mips/util/SeekableInputStream.java
deleted file mode 100644 (file)
index 1dc0b0d..0000000
--- a/src/org/xwt/mips/util/SeekableInputStream.java
+++ /dev/null
@@ -1,48 +0,0 @@
-package org.xwt.mips.util;
-
-import java.io.*;
-
-public class SeekableInputStream implements SeekableData {
-    private byte[] buffer = new byte[4096];
-    private int bytesRead = 0;
-    private boolean eof = false;
-    private int pos;
-    private InputStream is;
-    
-    public SeekableInputStream(InputStream is) { this.is = is; }
-    
-    public int read(byte[] outbuf, int off, int len) throws IOException {
-        if(pos >= bytesRead && !eof) readTo(pos + 1);
-        len = Math.min(len,bytesRead-pos);
-        if(len <= 0) return -1;
-        System.arraycopy(buffer,pos,outbuf,off,len);
-        pos += len;
-        return len;
-    }
-    
-    private void readTo(int target) throws IOException {
-        if(target >= buffer.length) {
-            byte[] buf2 = new byte[Math.max(buffer.length+Math.min(buffer.length,65536),target)];
-            System.arraycopy(buffer,0,buf2,0,bytesRead);
-            buffer = buf2;
-        }
-        while(bytesRead < target) {
-            int n = is.read(buffer,bytesRead,buffer.length-bytesRead);
-            if(n == -1) {
-                eof = true;
-                break;
-            }
-            bytesRead += n;
-        }
-    }
-    
-    public int length() throws IOException {
-        while(!eof) readTo(bytesRead+4096);
-        return bytesRead;
-    }
-        
-    public int write(byte[] buf, int off, int len) throws IOException { throw new IOException("read-only"); }
-    public void seek(int pos) { this.pos = pos; }
-    public int pos() { return pos; }
-    public void close() throws IOException { is.close(); }
-}