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Class java.security.SecureClassLoader

java.lang.Object
    |
    +----java.lang.ClassLoader
            |
            +----java.security.SecureClassLoader

public class SecureClassLoader

extends ClassLoader

SecureClassLoader()

Creates a new SecureClassLoader with no parent class loader for delegation.

SecureClassLoader(ClassLoader)

Creates a new SecureClassLoader using the specified parent class loader for delegation.

defineClass(String, byte[], int, int, CodeSource, Object[])

Converts an array of bytes into an instance of class Class, with an optional CodeSource and list of signers.

getCodeSource(URL, Object[])

Returns the CodeSource for the specified URL and list of signers.

protected SecureClassLoader(ClassLoader parent)

Creates a new SecureClassLoader using the specified parent class loader for delegation.

Parameters:

parent - the parent ClassLoader

protected SecureClassLoader()

Creates a new SecureClassLoader with no parent class loader for delegation.

protected final Class defineClass(String name,
                                  byte[] b,
                                  int off,
                                  int len,
                                  CodeSource cs,
                                  Object[] signers)

Converts an array of bytes into an instance of class Class, with an optional CodeSource and list of signers. Before the class can be used it must be resolved.

Parameters:

name - the name of the class

b - the class bytes

off - the start offset of the class bytes

len - the length of the class bytes

cs - the associated CodeSource, or null if none

signers - the list of signers, or null if none

Returns:

the Class object created from the data, optional CodeSource, and list of signers

protected CodeSource getCodeSource(URL url,
                                   Object[] signers)

Returns the CodeSource for the specified URL and list of signers.

Parameters:

url - the URL for the CodeSource

signers - the signers for the CodeSource

Returns:

the resulting CodeSource

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