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RandomAccessFile now correctly reports lengths for growing files.

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JET 2011-11-03 13:39:24 -06:00
parent 90dc552463
commit 216b9a05ea
1 changed files with 6 additions and 6 deletions
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10
classpath/java/io/RandomAccessFile.java
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@ -12,25 +12,25 @@ package java.io;
public class RandomAccessFile { public class RandomAccessFile {
private long peer; private long peer;
private long length; private File file;
private long position = 0; private long position = 0;
public RandomAccessFile(String name, String mode) public RandomAccessFile(String name, String mode)
throws FileNotFoundException throws FileNotFoundException
{ {
if (! mode.equals("r")) throw new IllegalArgumentException(); if (! mode.equals("r")) throw new IllegalArgumentException();
file = new File(name);
long[] result = new long[2]; long[] result = new long[2];
open(name, result); open(name, result);
peer = result[0]; peer = result[0];
length = result[1];
} }
private static native void open(String name, long[] result) private static native void open(String name, long[] result)
throws FileNotFoundException; throws FileNotFoundException;
public long length() throws IOException { public long length() throws IOException {
return length; return file.length();
} }
public long getFilePointer() throws IOException { public long getFilePointer() throws IOException {
@ -38,7 +38,7 @@ public class RandomAccessFile {
} }
public void seek(long position) throws IOException { public void seek(long position) throws IOException {
if (position < 0 || position > length) throw new IOException(); if (position < 0 || position > length()) throw new IOException();
this.position = position; this.position = position;
} }
@ -50,7 +50,7 @@ public class RandomAccessFile {
if (length == 0) return; if (length == 0) return;
if (position + length > this.length) throw new EOFException(); if (position + length > this.length()) throw new EOFException();
if (offset < 0 || offset + length > buffer.length) if (offset < 0 || offset + length > buffer.length)
throw new ArrayIndexOutOfBoundsException(); throw new ArrayIndexOutOfBoundsException();