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JDK 17 jdk.jlink.jmod - JLink Tool
JDK 17 jdk.jlink.jmod is the JMOD file for JDK 17 JLink tool,
which can be invoked by the "jlink" command.
JDK 17 JLink tool compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.jlink.jmod.
JDK 17 JLink tool compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 JLink tool source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.jlink.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ jdk/tools/jlink/internal/ImageStringsWriter.java
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
*
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*
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*/
package jdk.tools.jlink.internal;
import java.nio.ByteBuffer;
import java.util.HashMap;
import jdk.internal.jimage.ImageStream;
import jdk.internal.jimage.ImageStrings;
import jdk.internal.jimage.ImageStringsReader;
class ImageStringsWriter implements ImageStrings {
private static final int NOT_FOUND = -1;
static final int EMPTY_OFFSET = 0;
private final HashMap<String, Integer> stringToOffsetMap;
private final ImageStream stream;
ImageStringsWriter() {
this.stringToOffsetMap = new HashMap<>();
this.stream = new ImageStream();
// Reserve 0 offset for empty string.
int offset = addString("");
if (offset != 0) {
throw new InternalError("Empty string not offset zero");
}
// Reserve 1 offset for frequently used ".class".
offset = addString("class");
if (offset != 1) {
throw new InternalError("'class' string not offset one");
}
}
private int addString(final String string) {
int offset = stream.getPosition();
byte[] bytes = ImageStringsReader.mutf8FromString(string);
stream.put(bytes, 0, bytes.length);
stream.put('\0');
stringToOffsetMap.put(string, offset);
return offset;
}
@Override
public int add(final String string) {
int offset = find(string);
return offset == NOT_FOUND ? addString(string) : offset;
}
int find(final String string) {
Integer offset = stringToOffsetMap.get(string);
return offset != null ? offset : NOT_FOUND;
}
@Override
public String get(int offset) {
ByteBuffer buffer = stream.getBuffer();
int capacity = buffer.capacity();
if (offset < 0 || offset >= capacity) {
throw new InternalError("String buffer offset out of range");
}
int zero = NOT_FOUND;
for (int i = offset; i < capacity; i++) {
if (buffer.get(i) == '\0') {
zero = i;
break;
}
}
if (zero == NOT_FOUND) {
throw new InternalError("String zero terminator not found");
}
int length = zero - offset;
byte[] bytes = new byte[length];
int mark = buffer.position();
buffer.position(offset);
buffer.get(bytes);
buffer.position(mark);
return ImageStringsReader.stringFromMUTF8(bytes);
}
ImageStream getStream() {
return stream;
}
int getSize() {
return stream.getSize();
}
int getCount() {
return stringToOffsetMap.size();
}
}
⏎ jdk/tools/jlink/internal/ImageStringsWriter.java
Or download all of them as a single archive file:
File name: jdk.jlink-17.0.5-src.zip File size: 164180 bytes Release date: 2022-09-13 Download
⇒ JDK 17 jdk.jpackage.jmod - JPackage Tool
2023-08-03, ≈13🔥, 0💬
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