Permission Classes (Java in a Nutshell)

5.6. Permission Classes

Table 5-1 lists the various Permission subclasses, the target and action names they support, and the methods that require those permissions (in Java 1.2 and later).

Table 5-1. Permission Classes and the Methods They Govern

Permission	Target, Action	Methods
`AWT-Permission`	"accessClipboard"	`Toolkit.getSystemClipboard()`
"accessEventQueue"	`Toolkit.getSystemEventQueue()`
	"listenToAllAWTEvents"	`Toolkit.{addAWTEventListener()`, `removeAWTEventListener()}`
	"readDisplayPixels"	`Graphics2D.setComposite()`
	"showWindowWithout-WarningBanner"	`Window.Window()` (if permission is not granted, window has an "insecure" indication)
`File-Permission`	command, "execute"	`Runtime.exec()`
filename, "delete"	`File.{delete()`, `deleteOnExit()}`
`File-Permission`	filename, "read"	`FileInputStream.FileInputStream()`, `File.{exists()`, `canRead()`, `isFile()`, `isDirectory()`, `isHidden()`, `lastModified()`, `length()`, `list()`, `listFiles()}`, `RandomAccessFile.RandomAccessFile()`, `ZipFile.ZipFile()`
	filename, "write"	`FileOutputStream.FileOutputStream()`, `File.{canWrite()`, `createNewFile()`, `createTempFile()`, `mkdir()`, `mkdirs()`, `renameTo()`, `setLastModified()`, `setReadOnly()}`, `RandomAccessFile.RandomAccessFile()`
`Net-Permission`	"requestPassword-Authentication"	`Authenticator.requestPassword-Authentication()`
	"setDefaultAuthenticator"	`Authenticator.setDefault()`
	"specifyStreamHandler"	`URL.URL()`
`Property-Permission`	"*", "read, write"	`Beans.{setDesignTime()`, `setGuiAvailable()}`, `Introspector.setBeanInfo-SearchPath()`, `PropertyEditorManager.{register-Editor()`, `setEditorSearchPath()}`, `System.{getProperties()`, `setProperties()}`
	"user.language", "write"	`Locale.setDefault()`
	prop, "read"	`System.getProperty()`
	prop, "write"	`System.setProperty()`
`Reflect-Permission`	"suppressAccessChecks"	`AccessibleObject.setAccessible()`
`Runtime-Permission`	"accessClassIn- Package.pkgname "	`Class.{getClasses()`, `getDeclaredClasses()`, `getConstructor()`, `getConstructors()`, `getDeclaredFields()`, `getDeclaredMethods()`, `getDeclaredConstructors()`, `getDeclaredField()`, `getDeclaredMethod()`, `getDeclaredConstructor()`,
`Runtime-Permission`		`getFields()`, `getMethods()`, `getField()`, `getMethod()}`
	"accessDeclaredMembers"	`Class.{getClasses()`, `getDeclaredClasses()`, `getDeclaredFields()`, `getDeclaredMethods()`, `getDeclaredConstructors()`, `getDeclaredField()`, `getDeclaredMethod()`, `getDeclaredConstructor()}`
	"createClassLoader"	`ClassLoader.Class-Loader()`, `URLClassLoader.URL-ClassLoader()`, `SecureClassLoader.Secure-ClassLoader()`
	"exitVM"	`Runtime.{exit()`, `runFinalizersOnExit()}`, `System.{exit()`, `runFinalizersOnExit()}`
	"getClassLoader"	`Class.{forName()`, `getClassLoader()}`, `ClassLoader.{getSystemClassLoader()`, `getParent()}`, `Thread.getContextClassLoader()`
	"getProtectionDomain"	`Class.getProtectionDomain()`
	"loadLibrary.libName "	`Runtime.{load()`, `loadLibrary()}`, `System.{load()`, `loadLibrary()}`
	"modifyThread"	`Thread.{checkAccess()`, `interrupt()`, `suspend()`, `resume()`, `setPriority()`, `setName()`, `setDaemon()}`, `ThreadGroup.{interrupt()`, `stop()}`
	"modifyThreadGroup"	`Thread.{Thread()`, `enumerate()}`, `ThreadGroup.{ThreadGroup()`, `enumerate()`, `getParent()`, `interrupt()`, `setDaemon()`, `setMaxPriority()`, `stop()`, `suspend()`, `resume()`, `destroy()}`
	"queuePrintJob"	`Toolkit.getPrintJob()`
	"readFileDescriptor"	`FileInputStream.File-InputStream(FileDescriptor)`
	"setContextClassLoader"	`Thread.setContextClassLoader()`
`Runtime-Permission`	"setFactory"	`ServerSocket.setSocketFactory()`, `Socket.setSocketImplFactory()`, `URL.setURLStream-HandlerFactory()`, `URLConnection.{setContent-HandlerFactory()`, `setFileNameMap()}`, `HttpURLConnection.set-FollowRedirects()`, `activation.Activation-Group.{createGroup()`, `setSystem()}`, `server.RMISocketFactory.set-SocketFactory()`
	"setIO"	`System.{setIn()`, `setOut()`, `setErr()}`
	"setSecurityManager"	`System.setSecurityManager()`
	"stopThread"	`Thread.stop()`, `ThreadGroup.stop()`
	"writeFileDescriptor"	`FileOutputStream.File-OutputStream(FileDescriptor)`
`Security-`	"addIdentityCertificate"	`Identity.addCertificate()`
`Permission`	"clearProvider- Properties.provider "	`Provider.clear()`
	"getPolicy"	`Policy.getPolicy()`
	"getProperty.propname "	`Security.getProperty()`
	"getSignerPrivateKey"	`Signer.getPrivateKey()`
	"insertProvider.provider "	`Security.{addProvider()`, `insertProviderAt()}`
	"printIdentity"	`Identity.toString()`
	"putProvider- Property.provider "	`Provider.put()`
	"removeIdentityCertificate"	`Identity.removeCertificate()`
	"removeProvider.provider "	`Security.removeProvider()`
	"removeProvider- Property.provider "	`Provider.remove()`
	"setIdentityInfo"	`Identity.setInfo(String)`
	"setIdentityPublicKey"	`Identity.setPublicKey()`
	"setPolicy"	`Policy.setPolicy();`
	"setProperty.propname "	`Security.setProperty()`
	"setSignerKeypair"	`Signer.setKeyPair()`
	"setSystemScope"	`IdentityScope.setSystemScope()`
`Serializable-Permission`	"enableSubclass- Implementation"	`ObjectInputStream.Object-InputStream()`, `ObjectOutputStream.Object-OutputStream()`
	"enableSubstitution"	`ObjectInputStream.enable-ResolveObject()`, `ObjectOutputStream.enable-ReplaceObject()`
`Socket-Permission`	"localhost:port ", "listen"	`ServerSocket.ServerSocket()`, `DatagramSocket.DatagramSocket()`, `MulticastSocket.MulticastSocket()`
	host, "accept, connect"	`MulticastSocket.{joinGroup()`, `leaveGroup()`, `send()}`
	host, "resolve"	`InetAddress.{getHostName()`, `getAllByName()`, `getLocalHost()}`, `DatagramSocket.getLocalAddress()`
	host:port, "accept"	`DatagramSocket.receive()`, `ServerSocket.{accept()`, `implAccept()}`
	host:port, "connect"	`DatagramSocket.send()`, `Socket.Socket()`