JDK 17 java.base.jmod - Base Module
JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.
JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.
JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
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⏎ java/nio/HeapCharBuffer.java
/*
* Copyright (c) 2000, 2021, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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// -- This file was mechanically generated: Do not edit! -- //
package java.nio;
import java.util.Objects;
import jdk.internal.access.foreign.MemorySegmentProxy;
/**
* A read/write HeapCharBuffer.
*/
class HeapCharBuffer
extends CharBuffer
{
// Cached array base offset
private static final long ARRAY_BASE_OFFSET = UNSAFE.arrayBaseOffset(char[].class);
// Cached array index scale
private static final long ARRAY_INDEX_SCALE = UNSAFE.arrayIndexScale(char[].class);
// For speed these fields are actually declared in X-Buffer;
// these declarations are here as documentation
/*
protected final char[] hb;
protected final int offset;
*/
HeapCharBuffer(int cap, int lim, MemorySegmentProxy segment) { // package-private
super(-1, 0, lim, cap, new char[cap], 0, segment);
/*
hb = new char[cap];
offset = 0;
*/
this.address = ARRAY_BASE_OFFSET;
}
HeapCharBuffer(char[] buf, int off, int len, MemorySegmentProxy segment) { // package-private
super(-1, off, off + len, buf.length, buf, 0, segment);
/*
hb = buf;
offset = 0;
*/
this.address = ARRAY_BASE_OFFSET;
}
protected HeapCharBuffer(char[] buf,
int mark, int pos, int lim, int cap,
int off, MemorySegmentProxy segment)
{
super(mark, pos, lim, cap, buf, off, segment);
/*
hb = buf;
offset = off;
*/
this.address = ARRAY_BASE_OFFSET + off * ARRAY_INDEX_SCALE;
}
public CharBuffer slice() {
int pos = this.position();
int lim = this.limit();
int rem = (pos <= lim ? lim - pos : 0);
return new HeapCharBuffer(hb,
-1,
0,
rem,
rem,
pos + offset, segment);
}
@Override
public CharBuffer slice(int index, int length) {
Objects.checkFromIndexSize(index, length, limit());
return new HeapCharBuffer(hb,
-1,
0,
length,
length,
index + offset, segment);
}
public CharBuffer duplicate() {
return new HeapCharBuffer(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
offset, segment);
}
public CharBuffer asReadOnlyBuffer() {
return new HeapCharBufferR(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
offset, segment);
}
protected int ix(int i) {
return i + offset;
}
public char get() {
return hb[ix(nextGetIndex())];
}
public char get(int i) {
return hb[ix(checkIndex(i))];
}
char getUnchecked(int i) {
return hb[ix(i)];
}
public CharBuffer get(char[] dst, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(offset, length, dst.length);
int pos = position();
if (length > limit() - pos)
throw new BufferUnderflowException();
System.arraycopy(hb, ix(pos), dst, offset, length);
position(pos + length);
return this;
}
public CharBuffer get(int index, char[] dst, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(index, length, limit());
Objects.checkFromIndexSize(offset, length, dst.length);
System.arraycopy(hb, ix(index), dst, offset, length);
return this;
}
public boolean isDirect() {
return false;
}
public boolean isReadOnly() {
return false;
}
public CharBuffer put(char x) {
hb[ix(nextPutIndex())] = x;
return this;
}
public CharBuffer put(int i, char x) {
hb[ix(checkIndex(i))] = x;
return this;
}
public CharBuffer put(char[] src, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(offset, length, src.length);
int pos = position();
if (length > limit() - pos)
throw new BufferOverflowException();
System.arraycopy(src, offset, hb, ix(pos), length);
position(pos + length);
return this;
}
public CharBuffer put(CharBuffer src) {
checkScope();
super.put(src);
return this;
}
public CharBuffer put(int index, CharBuffer src, int offset, int length) {
checkScope();
super.put(index, src, offset, length);
return this;
}
public CharBuffer put(int index, char[] src, int offset, int length) {
checkScope();
Objects.checkFromIndexSize(index, length, limit());
Objects.checkFromIndexSize(offset, length, src.length);
System.arraycopy(src, offset, hb, ix(index), length);
return this;
}
public CharBuffer put(String src, int start, int end) {
checkScope();
int length = end - start;
Objects.checkFromIndexSize(start, length, src.length());
int pos = position();
int lim = limit();
int rem = (pos <= lim) ? lim - pos : 0;
if (length > rem)
throw new BufferOverflowException();
src.getChars(start, end, hb, ix(pos));
position(pos + length);
return this;
}
public CharBuffer compact() {
int pos = position();
int lim = limit();
assert (pos <= lim);
int rem = (pos <= lim ? lim - pos : 0);
System.arraycopy(hb, ix(pos), hb, ix(0), rem);
position(rem);
limit(capacity());
discardMark();
return this;
}
String toString(int start, int end) { // package-private
try {
return new String(hb, start + offset, end - start);
} catch (StringIndexOutOfBoundsException x) {
throw new IndexOutOfBoundsException();
}
}
// --- Methods to support CharSequence ---
public CharBuffer subSequence(int start, int end) {
int pos = position();
Objects.checkFromToIndex(start, end, limit() - pos);
return new HeapCharBuffer(hb,
-1,
pos + start,
pos + end,
capacity(),
offset, segment);
}
public ByteOrder order() {
return ByteOrder.nativeOrder();
}
ByteOrder charRegionOrder() {
return order();
}
}
⏎ java/nio/HeapCharBuffer.java
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