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java.lang.Objectjava.lang.ClassLoader
java.security.SecureClassLoader
public class SecureClassLoader
A Secure Class Loader for loading classes with additional support for specifying code source and permissions when they are retrieved by the system policy handler.
Constructor Summary | |
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protected |
SecureClassLoader()
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protected |
SecureClassLoader(ClassLoader parent)
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Method Summary | |
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protected Class<?> |
defineClass(String name,
byte[] b,
int off,
int len,
CodeSource cs)
Creates a class using an array of bytes and a CodeSource. |
protected Class<?> |
defineClass(String name,
ByteBuffer b,
CodeSource cs)
Creates a class using an ByteBuffer and a CodeSource. |
protected PermissionCollection |
getPermissions(CodeSource cs)
Returns a PermissionCollection for the specified CodeSource. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected SecureClassLoader(ClassLoader parent)
protected SecureClassLoader()
Method Detail |
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protected final Class<?> defineClass(String name, byte[] b, int off, int len, CodeSource cs)
name
- the name to give the class. null if unknown.b
- the data representing the classfile, in classfile format.off
- the offset into the data where the classfile starts.len
- the length of the classfile data in the array.cs
- the CodeSource for the class or null when unknown.
ClassFormatError
- if the byte array is not in proper classfile format.protected final Class<?> defineClass(String name, ByteBuffer b, CodeSource cs)
name
- the name to give the class. null if unknown.b
- the data representing the classfile, in classfile format.cs
- the CodeSource for the class or null when unknown.
ClassFormatError
- if the byte array is not in proper classfile format.protected PermissionCollection getPermissions(CodeSource cs)
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