- java.lang.Object
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- jdk.dynalink.SecureLookupSupplier
 
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- Direct Known Subclasses:
- CallSiteDescriptor
 
 public class SecureLookupSupplier extends Object Provides security-checked access to aMethodHandles.Lookupobject. SeegetLookup()for details.
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Field SummaryFields Modifier and Type Field Description static StringGET_LOOKUP_PERMISSION_NAMEThe name of a runtime permission required to successfully invoke thegetLookup()method.
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Constructor SummaryConstructors Constructor Description SecureLookupSupplier(MethodHandles.Lookup lookup)Creates a new secure lookup supplier, securing the passed lookup.
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description MethodHandles.LookupgetLookup()Returns the lookup secured by thisSecureLookupSupplier.protected MethodHandles.LookupgetLookupPrivileged()Returns the value ofgetLookup()without a security check.
 
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Field Detail- 
GET_LOOKUP_PERMISSION_NAMEpublic static final String GET_LOOKUP_PERMISSION_NAME The name of a runtime permission required to successfully invoke thegetLookup()method.- See Also:
- Constant Field Values
 
 
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Constructor Detail- 
SecureLookupSupplierpublic SecureLookupSupplier(MethodHandles.Lookup lookup) Creates a new secure lookup supplier, securing the passed lookup.- Parameters:
- lookup- the lookup to secure. Can not be null.
- Throws:
- NullPointerException- if null is passed.
 
 
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Method Detail- 
getLookuppublic final MethodHandles.Lookup getLookup() Returns the lookup secured by thisSecureLookupSupplier.- Returns:
- the lookup secured by this SecureLookupSupplier.
- Throws:
- SecurityException- if the secured lookup isn't the- MethodHandles.publicLookup(), and a security manager is present, and a check for- RuntimePermission("dynalink.getLookup")fails.
 
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getLookupPrivilegedprotected final MethodHandles.Lookup getLookupPrivileged() Returns the value ofgetLookup()without a security check. Can be used by subclasses to access the lookup quickly.- Returns:
- same as returned value of getLookup().
 
 
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