OpenJDK / jdk7u / jdk7u-dev / jdk
changeset 5442:053437057686
7195919: (sl) ServiceLoader can throw CCE without needing to create instance
Reviewed-by: ahgross, alanb, dmeetry
| author | smarks |
|---|---|
| date | Mon, 10 Sep 2012 15:52:51 -0700 |
| parents | 31569191e96c |
| children | 00f5a58b55fd |
| files | src/share/classes/java/util/ServiceLoader.java src/share/classes/sun/misc/Service.java |
| diffstat | 2 files changed, 21 insertions(+), 6 deletions(-) [+] |
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--- a/src/share/classes/java/util/ServiceLoader.java Wed Aug 08 12:02:07 2012 -0700 +++ b/src/share/classes/java/util/ServiceLoader.java Mon Sep 10 15:52:51 2012 -0700 @@ -358,14 +358,21 @@ } String cn = nextName; nextName = null; + Class<?> c = null; try { - S p = service.cast(Class.forName(cn, true, loader) - .newInstance()); - providers.put(cn, p); - return p; + c = Class.forName(cn, false, loader); } catch (ClassNotFoundException x) { fail(service, "Provider " + cn + " not found"); + } + if (!service.isAssignableFrom(c)) { + fail(service, + "Provider " + cn + " not a subtype"); + } + try { + S p = service.cast(c.newInstance()); + providers.put(cn, p); + return p; } catch (Throwable x) { fail(service, "Provider " + cn + " could not be instantiated: " + x,
--- a/src/share/classes/sun/misc/Service.java Wed Aug 08 12:02:07 2012 -0700 +++ b/src/share/classes/sun/misc/Service.java Mon Sep 10 15:52:51 2012 -0700 @@ -284,12 +284,20 @@ } String cn = nextName; nextName = null; + Class<?> c = null; try { - return Class.forName(cn, true, loader).newInstance(); + c = Class.forName(cn, false, loader); } catch (ClassNotFoundException x) { fail(service, "Provider " + cn + " not found"); - } catch (Exception x) { + } + if (!service.isAssignableFrom(c)) { + fail(service, + "Provider " + cn + " not a subtype"); + } + try { + return service.cast(c.newInstance()); + } catch (Throwable x) { fail(service, "Provider " + cn + " could not be instantiated: " + x, x);