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JDK 11 java.base.jmod - Base Module
JDK 11 java.base.jmod is the JMOD file for JDK 11 Base module.
JDK 11 Base module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.base.jmod.
JDK 11 Base module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Base module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ jdk/internal/jimage/ImageLocation.java
/* * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package jdk.internal.jimage; import java.nio.ByteBuffer; import java.util.Objects; /** * @implNote This class needs to maintain JDK 8 source compatibility. * * It is used internally in the JDK to implement jimage/jrtfs access, * but also compiled and delivered as part of the jrtfs.jar to support access * to the jimage file provided by the shipped JDK by tools running on JDK 8. */ public class ImageLocation { public static final int ATTRIBUTE_END = 0; public static final int ATTRIBUTE_MODULE = 1; public static final int ATTRIBUTE_PARENT = 2; public static final int ATTRIBUTE_BASE = 3; public static final int ATTRIBUTE_EXTENSION = 4; public static final int ATTRIBUTE_OFFSET = 5; public static final int ATTRIBUTE_COMPRESSED = 6; public static final int ATTRIBUTE_UNCOMPRESSED = 7; public static final int ATTRIBUTE_COUNT = 8; protected final long[] attributes; protected final ImageStrings strings; public ImageLocation(long[] attributes, ImageStrings strings) { this.attributes = Objects.requireNonNull(attributes); this.strings = Objects.requireNonNull(strings); } ImageStrings getStrings() { return strings; } static long[] decompress(ByteBuffer bytes) { Objects.requireNonNull(bytes); long[] attributes = new long[ATTRIBUTE_COUNT]; if (bytes != null) { while (bytes.hasRemaining()) { int data = bytes.get() & 0xFF; int kind = data >>> 3; if (kind == ATTRIBUTE_END) { break; } if (kind < ATTRIBUTE_END || ATTRIBUTE_COUNT <= kind) { throw new InternalError( "Invalid jimage attribute kind: " + kind); } int length = (data & 0x7) + 1; long value = 0; for (int j = 0; j < length; j++) { value <<= 8; if (!bytes.hasRemaining()) { throw new InternalError("Missing jimage attribute data"); } value |= bytes.get() & 0xFF; } attributes[kind] = value; } } return attributes; } public static byte[] compress(long[] attributes) { Objects.requireNonNull(attributes); ImageStream stream = new ImageStream(16); for (int kind = ATTRIBUTE_END + 1; kind < ATTRIBUTE_COUNT; kind++) { long value = attributes[kind]; if (value != 0) { int n = (63 - Long.numberOfLeadingZeros(value)) >> 3; stream.put((kind << 3) | n); for (int i = n; i >= 0; i--) { stream.put((int)(value >> (i << 3))); } } } stream.put(ATTRIBUTE_END << 3); return stream.toArray(); } public boolean verify(String name) { return verify(name, attributes, strings); } /** * A simpler verification would be {@code name.equals(getFullName())}, but * by not creating the full name and enabling early returns we allocate * fewer objects. Could possibly be made allocation free by extending * ImageStrings to test if strings at an offset match the name region. */ static boolean verify(String name, long[] attributes, ImageStrings strings) { Objects.requireNonNull(name); final int length = name.length(); int index = 0; int moduleOffset = (int)attributes[ATTRIBUTE_MODULE]; if (moduleOffset != 0) { String module = strings.get(moduleOffset); final int moduleLen = module.length(); index = moduleLen + 1; if (length <= index || name.charAt(0) != '/' || !name.regionMatches(1, module, 0, moduleLen) || name.charAt(index++) != '/') { return false; } } return verifyName(name, index, length, attributes, strings); } static boolean verify(String module, String name, long[] attributes, ImageStrings strings) { Objects.requireNonNull(module); Objects.requireNonNull(name); int moduleOffset = (int)attributes[ATTRIBUTE_MODULE]; if (moduleOffset != 0) { if (!module.equals(strings.get(moduleOffset))) { return false; } } return verifyName(name, 0, name.length(), attributes, strings); } private static boolean verifyName(String name, int index, int length, long[] attributes, ImageStrings strings) { int parentOffset = (int) attributes[ATTRIBUTE_PARENT]; if (parentOffset != 0) { String parent = strings.get(parentOffset); final int parentLen = parent.length(); if (!name.regionMatches(index, parent, 0, parentLen)) { return false; } index += parentLen; if (length <= index || name.charAt(index++) != '/') { return false; } } String base = strings.get((int) attributes[ATTRIBUTE_BASE]); final int baseLen = base.length(); if (!name.regionMatches(index, base, 0, baseLen)) { return false; } index += baseLen; int extOffset = (int) attributes[ATTRIBUTE_EXTENSION]; if (extOffset != 0) { String extension = strings.get(extOffset); int extLen = extension.length(); if (length <= index || name.charAt(index++) != '.' || !name.regionMatches(index, extension, 0, extLen)) { return false; } index += extLen; } return length == index; } long getAttribute(int kind) { if (kind < ATTRIBUTE_END || ATTRIBUTE_COUNT <= kind) { throw new InternalError( "Invalid jimage attribute kind: " + kind); } return attributes[kind]; } String getAttributeString(int kind) { if (kind < ATTRIBUTE_END || ATTRIBUTE_COUNT <= kind) { throw new InternalError( "Invalid jimage attribute kind: " + kind); } return getStrings().get((int)attributes[kind]); } public String getModule() { return getAttributeString(ATTRIBUTE_MODULE); } public int getModuleOffset() { return (int)getAttribute(ATTRIBUTE_MODULE); } public String getBase() { return getAttributeString(ATTRIBUTE_BASE); } public int getBaseOffset() { return (int)getAttribute(ATTRIBUTE_BASE); } public String getParent() { return getAttributeString(ATTRIBUTE_PARENT); } public int getParentOffset() { return (int)getAttribute(ATTRIBUTE_PARENT); } public String getExtension() { return getAttributeString(ATTRIBUTE_EXTENSION); } public int getExtensionOffset() { return (int)getAttribute(ATTRIBUTE_EXTENSION); } public String getFullName() { return getFullName(false); } public String getFullName(boolean modulesPrefix) { StringBuilder builder = new StringBuilder(); if (getModuleOffset() != 0) { if (modulesPrefix) { builder.append("/modules"); } builder.append('/'); builder.append(getModule()); builder.append('/'); } if (getParentOffset() != 0) { builder.append(getParent()); builder.append('/'); } builder.append(getBase()); if (getExtensionOffset() != 0) { builder.append('.'); builder.append(getExtension()); } return builder.toString(); } String buildName(boolean includeModule, boolean includeParent, boolean includeName) { StringBuilder builder = new StringBuilder(); if (includeModule && getModuleOffset() != 0) { builder.append("/modules/"); builder.append(getModule()); } if (includeParent && getParentOffset() != 0) { builder.append('/'); builder.append(getParent()); } if (includeName) { if (includeModule || includeParent) { builder.append('/'); } builder.append(getBase()); if (getExtensionOffset() != 0) { builder.append('.'); builder.append(getExtension()); } } return builder.toString(); } public long getContentOffset() { return getAttribute(ATTRIBUTE_OFFSET); } public long getCompressedSize() { return getAttribute(ATTRIBUTE_COMPRESSED); } public long getUncompressedSize() { return getAttribute(ATTRIBUTE_UNCOMPRESSED); } static ImageLocation readFrom(BasicImageReader reader, int offset) { Objects.requireNonNull(reader); long[] attributes = reader.getAttributes(offset); ImageStringsReader strings = reader.getStrings(); return new ImageLocation(attributes, strings); } }
⏎ jdk/internal/jimage/ImageLocation.java
Or download all of them as a single archive file:
File name: java.base-11.0.1-src.zip File size: 8740354 bytes Release date: 2018-11-04 Download
2020-05-29, 206322👍, 0💬
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