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8260043: Reduce allocation in sun.net.www.protocol.jar.Handler.parseURL

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Reviewed-by: redestad, chegar
This commit is contained in:
Eirik Bjorsnos 2021-01-21 10:37:40 +00:00 • committed by Claes Redestad
parent 4dfd8cc4a6
commit e1de0bf8d4
2 changed files with 51 additions and 51 deletions
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45
src/java.base/share/classes/sun/net/www/ParseUtil.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1998, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1998, 2021, 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
@ -225,49 +225,6 @@ public final class ParseUtil {
return sb.toString();
}
/**
* Returns a canonical version of the specified string.
*/
public static String canonizeString(String file) {
int len = file.length();
if (len == 0 || (file.indexOf("./") == -1 && file.charAt(len - 1) != '.')) {
return file;
} else {
return doCanonize(file);
}
}
private static String doCanonize(String file) {
int i, lim;
// Remove embedded /../
while ((i = file.indexOf("/../")) >= 0) {
if ((lim = file.lastIndexOf('/', i - 1)) >= 0) {
file = file.substring(0, lim) + file.substring(i + 3);
} else {
file = file.substring(i + 3);
}
}
// Remove embedded /./
while ((i = file.indexOf("/./")) >= 0) {
file = file.substring(0, i) + file.substring(i + 2);
}
// Remove trailing ..
while (file.endsWith("/..")) {
i = file.indexOf("/..");
if ((lim = file.lastIndexOf('/', i - 1)) >= 0) {
file = file.substring(0, lim+1);
} else {
file = file.substring(0, i);
}
}
// Remove trailing .
if (file.endsWith("/."))
file = file.substring(0, file.length() -1);
return file;
}
public static URL fileToEncodedURL(File file)
throws MalformedURLException
{