Uses of Class java.security.CodeSource (Java Platform SE 8 )
Date: 2026-04-17

## Uses of Class
java.security.CodeSource

- Packages that use CodeSource
  Package | Description
  --- | ---
  java.net | Provides the classes for implementing networking applications.
  java.security | Provides the classes and interfaces for the security framework.
  javax.security.auth | This package provides a framework for authentication and authorization.

- - ### Uses of CodeSource in java.net

    Methods in java.net with parameters of type CodeSource
    Modifier and Type | Method and Description
    --- | ---
    `protected PermissionCollection` | URLClassLoader.`getPermissions(CodeSource codesource)` Returns the permissions for the given codesource object.

  - ### Uses of CodeSource in java.security

    Methods in java.security that return CodeSource
    Modifier and Type | Method and Description
    --- | ---
    `CodeSource` | ProtectionDomain.`getCodeSource()` Returns the CodeSource of this domain.

    Methods in java.security with parameters of type CodeSource
    Modifier and Type | Method and Description
    --- | ---
    `protected Class<?>` | SecureClassLoader.`defineClass(String name, byte[] b, int off, int len, CodeSource cs)` Converts an array of bytes into an instance of class Class, with an optional CodeSource.
    `protected Class<?>` | SecureClassLoader.`defineClass(String name, ByteBuffer b, CodeSource cs)` Converts a `ByteBuffer` into an instance of class `Class`, with an optional CodeSource.
    `protected PermissionCollection` | PolicySpi.`engineGetPermissions(CodeSource codesource)` Return a PermissionCollection object containing the set of permissions granted to the specified CodeSource.
    `PermissionCollection` | Policy.`getPermissions(CodeSource codesource)` Return a PermissionCollection object containing the set of permissions granted to the specified CodeSource.
    `protected PermissionCollection` | SecureClassLoader.`getPermissions(CodeSource codesource)` Returns the permissions for the given CodeSource object.
    `boolean` | CodeSource.`implies(CodeSource codesource)` Returns true if this CodeSource object "implies" the specified CodeSource.

    Constructors in java.security with parameters of type CodeSource
    Constructor and Description
    `ProtectionDomain(CodeSource codesource, PermissionCollection permissions)` Creates a new ProtectionDomain with the given CodeSource and Permissions.
    `ProtectionDomain(CodeSource codesource, PermissionCollection permissions, ClassLoader classloader, Principal[] principals)` Creates a new ProtectionDomain qualified by the given CodeSource, Permissions, ClassLoader and array of Principals.

  - ### Uses of CodeSource in javax.security.auth

    Methods in javax.security.auth with parameters of type CodeSource
    Modifier and Type | Method and Description
    --- | ---
    `abstract PermissionCollection` | Policy.`getPermissions(Subject subject, CodeSource cs)` Deprecated. Retrieve the Permissions granted to the Principals associated with the specified `CodeSource`.

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