--- a/jdk/src/java.base/share/classes/java/lang/StringLatin1.java Tue May 24 08:53:54 2016 +0200
+++ b/jdk/src/java.base/share/classes/java/lang/StringLatin1.java Tue May 24 14:14:18 2016 +0300
@@ -557,7 +557,7 @@
// inflatedCopy byte[] -> char[]
@HotSpotIntrinsicCandidate
- private static void inflate(byte[] src, int srcOff, char[] dst, int dstOff, int len) {
+ public static void inflate(byte[] src, int srcOff, char[] dst, int dstOff, int len) {
for (int i = 0; i < len; i++) {
dst[dstOff++] = (char)(src[srcOff++] & 0xff);
}
@@ -567,7 +567,7 @@
@HotSpotIntrinsicCandidate
public static void inflate(byte[] src, int srcOff, byte[] dst, int dstOff, int len) {
// We need a range check here because 'putChar' has no checks
- checkBoundsOffCount(dstOff, len, dst.length);
+ checkBoundsOffCount(dstOff << 1, len << 1, dst.length);
for (int i = 0; i < len; i++) {
StringUTF16.putChar(dst, dstOff++, src[srcOff++] & 0xff);
}
--- a/jdk/src/java.base/share/classes/java/lang/StringUTF16.java Tue May 24 08:53:54 2016 +0200
+++ b/jdk/src/java.base/share/classes/java/lang/StringUTF16.java Tue May 24 14:14:18 2016 +0300
@@ -144,7 +144,7 @@
// compressedCopy char[] -> byte[]
@HotSpotIntrinsicCandidate
- private static int compress(char[] src, int srcOff, byte[] dst, int dstOff, int len) {
+ public static int compress(char[] src, int srcOff, byte[] dst, int dstOff, int len) {
for (int i = 0; i < len; i++) {
char c = src[srcOff];
if (c > 0xFF) {
@@ -162,7 +162,7 @@
@HotSpotIntrinsicCandidate
public static int compress(byte[] src, int srcOff, byte[] dst, int dstOff, int len) {
// We need a range check here because 'getChar' has no checks
- checkBoundsOffCount(srcOff, len, src.length);
+ checkBoundsOffCount(srcOff << 1, len << 1, src.length);
for (int i = 0; i < len; i++) {
char c = getChar(src, srcOff);
if (c > 0xFF) {
@@ -211,7 +211,9 @@
@HotSpotIntrinsicCandidate
public static void getChars(byte[] value, int srcBegin, int srcEnd, char dst[], int dstBegin) {
// We need a range check here because 'getChar' has no checks
- checkBoundsOffCount(srcBegin, srcEnd - srcBegin, value.length);
+ if (srcBegin < srcEnd) {
+ checkBoundsOffCount(srcBegin << 1, (srcEnd - srcBegin) << 1, value.length);
+ }
for (int i = srcBegin; i < srcEnd; i++) {
dst[dstBegin++] = getChar(value, i);
}
--- a/jdk/src/java.base/share/classes/module-info.java Tue May 24 08:53:54 2016 +0200
+++ b/jdk/src/java.base/share/classes/module-info.java Tue May 24 14:14:18 2016 +0300
@@ -186,7 +186,8 @@
jdk.scripting.nashorn,
jdk.unsupported;
exports jdk.internal.vm.annotation to
- jdk.unsupported;
+ jdk.unsupported,
+ jdk.vm.ci;
exports jdk.internal.util.jar to
jdk.jartool;
exports jdk.internal.vm to
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.httpclient/share/classes/java/net/http/CharsetToolkit.java Tue May 24 14:14:18 2016 +0300
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ */
+package java.net.http;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.CoderResult;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+// The purpose of this class is to separate charset-related tasks from the main
+// WebSocket logic, simplifying where possible.
+//
+// * Coders hide the differences between coding and flushing stages on the
+// API level
+// * Verifier abstracts the way the verification is performed
+// (spoiler: it's a decoding into a throw-away buffer)
+//
+// Coding methods throw exceptions instead of returning coding result denoting
+// errors, since any kind of handling and recovery is not expected.
+final class CharsetToolkit {
+
+ private CharsetToolkit() { }
+
+ static final class Verifier {
+
+ private final CharsetDecoder decoder = UTF_8.newDecoder();
+ // A buffer used to check validity of UTF-8 byte stream by decoding it.
+ // The contents of this buffer are never used.
+ // The size is arbitrary, though it should probably be chosen from the
+ // performance perspective since it affects the total number of calls to
+ // decoder.decode() and amount of work in each of these calls
+ private final CharBuffer blackHole = CharBuffer.allocate(1024);
+
+ void verify(ByteBuffer in, boolean endOfInput)
+ throws CharacterCodingException {
+ while (true) {
+ // Since decoder.flush() cannot produce an error, it's not
+ // helpful for verification. Therefore this step is skipped.
+ CoderResult r = decoder.decode(in, blackHole, endOfInput);
+ if (r.isOverflow()) {
+ blackHole.clear();
+ } else if (r.isUnderflow()) {
+ break;
+ } else if (r.isError()) {
+ r.throwException();
+ } else {
+ // Should not happen
+ throw new InternalError();
+ }
+ }
+ }
+
+ Verifier reset() {
+ decoder.reset();
+ return this;
+ }
+ }
+
+ static final class Encoder {
+
+ private final CharsetEncoder encoder = UTF_8.newEncoder();
+ private boolean coding = true;
+
+ CoderResult encode(CharBuffer in, ByteBuffer out, boolean endOfInput)
+ throws CharacterCodingException {
+
+ if (coding) {
+ CoderResult r = encoder.encode(in, out, endOfInput);
+ if (r.isOverflow()) {
+ return r;
+ } else if (r.isUnderflow()) {
+ if (endOfInput) {
+ coding = false;
+ } else {
+ return r;
+ }
+ } else if (r.isError()) {
+ r.throwException();
+ } else {
+ // Should not happen
+ throw new InternalError();
+ }
+ }
+ assert !coding;
+ return encoder.flush(out);
+ }
+
+ Encoder reset() {
+ coding = true;
+ encoder.reset();
+ return this;
+ }
+ }
+
+ static CharBuffer decode(ByteBuffer in) throws CharacterCodingException {
+ return UTF_8.newDecoder().decode(in);
+ }
+
+ static final class Decoder {
+
+ private final CharsetDecoder decoder = UTF_8.newDecoder();
+ private boolean coding = true; // Either coding or flushing
+
+ CoderResult decode(ByteBuffer in, CharBuffer out, boolean endOfInput)
+ throws CharacterCodingException {
+
+ if (coding) {
+ CoderResult r = decoder.decode(in, out, endOfInput);
+ if (r.isOverflow()) {
+ return r;
+ } else if (r.isUnderflow()) {
+ if (endOfInput) {
+ coding = false;
+ } else {
+ return r;
+ }
+ } else if (r.isError()) {
+ r.throwException();
+ } else {
+ // Should not happen
+ throw new InternalError();
+ }
+ }
+ assert !coding;
+ return decoder.flush(out);
+ }
+
+ Decoder reset() {
+ coding = true;
+ decoder.reset();
+ return this;
+ }
+ }
+}