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8294626: Improve URL protocol lower casing

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Reviewed-by: dfuchs
This commit is contained in:
Claes Redestad 2022-09-30 16:03:53 +00:00
parent 052a924985
commit 3efbd5f0fa
3 changed files with 22 additions and 11 deletions
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14
src/java.base/share/classes/java/net/URL.java
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@ -440,7 +440,7 @@ public final class URL implements java.io.Serializable {
}
}
protocol = toLowerCase(protocol);
protocol = lowerCaseProtocol(protocol);
this.protocol = protocol;
if (host != null) {
@ -633,7 +633,7 @@ public final class URL implements java.io.Serializable {
for (i = start ; !aRef && (i < limit) &&
((c = spec.charAt(i)) != '/') ; i++) {
if (c == ':') {
String s = toLowerCase(spec.substring(start, i));
String s = lowerCaseProtocol(spec.substring(start, i));
if (isValidProtocol(s)) {
newProtocol = s;
start = i + 1;
@ -1384,9 +1384,13 @@ public final class URL implements java.io.Serializable {
* Returns the protocol in lower case. Special cases known protocols
* to avoid loading locale classes during startup.
*/
static String toLowerCase(String protocol) {
if (protocol.equals("jrt") || protocol.equals("file") || protocol.equals("jar")) {
return protocol;
static String lowerCaseProtocol(String protocol) {
if (protocol.equals("jrt")) {
return "jrt";
} else if (protocol.equals("file")) {
return "file";
} else if (protocol.equals("jar")) {
return "jar";
} else {
return protocol.toLowerCase(Locale.ROOT);
}

4
src/java.base/share/classes/java/net/URLConnection.java
View file

@ -1092,7 +1092,7 @@ public abstract class URLConnection {
* @since 9
*/
public static void setDefaultUseCaches(String protocol, boolean defaultVal) {
protocol = protocol.toLowerCase(Locale.US);
protocol = URL.lowerCaseProtocol(protocol);
defaultCaching.put(protocol, defaultVal);
}
@ -1108,7 +1108,7 @@ public abstract class URLConnection {
* @since 9
*/
public static boolean getDefaultUseCaches(String protocol) {
Boolean protoDefault = defaultCaching.get(protocol.toLowerCase(Locale.US));
Boolean protoDefault = defaultCaching.get(URL.lowerCaseProtocol(protocol));
if (protoDefault != null) {
return protoDefault.booleanValue();
} else {