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Added quick autodetection support for IBM JDK

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This commit is contained in:
Trustin Lee 2008-08-31 03:29:13 +00:00
parent 243264efb0
commit b8c2051407
1 changed files with 18 additions and 2 deletions
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20
src/main/java/org/jboss/netty/channel/socket/nio/NioProviderMetadata.java
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@ -116,6 +116,7 @@ class NioProviderMetadata {
}
private static int detectConstraintLevelFromSystemProperties() {
String version = SystemPropertyUtil.get("java.specification.version");
String os = SystemPropertyUtil.get("os.name");
String vendor = SystemPropertyUtil.get("java.vm.vendor");
String provider;
@ -126,7 +127,7 @@ class NioProviderMetadata {
provider = null;
}
if (os == null || vendor == null || provider == null) {
if (version == null || os == null || vendor == null || provider == null) {
return -1;
}
@ -162,9 +163,24 @@ class NioProviderMetadata {
return 0;
}
}
// IBM
} else if (vendor.indexOf("ibm") >= 0) {
// Linux
if (os.indexOf("linux") >= 0) {
if (version.equals("1.5") || version.matches("^1\\.5\\D.*$")) {
if (provider.equals("sun.nio.ch.PollSelectorProvider")) {
return 1;
}
} else if (version.equals("1.6") || version.matches("^1\\.6\\D.*$")) {
if (provider.equals("sun.nio.ch.EPollSelectorProvider") ||
provider.equals("sun.nio.ch.PollSelectorProvider")) {
return 2;
}
}
}
}
// Others: IBM JRE - 1 or 2, JRockIt - untested
// Others (untested)
return -1;
}