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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.lang   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    java.lang.SecurityManager SecurityManager public class SecurityManager (Code) SecurityManager is the abstract superclass of the classes which can provide security verification for a running program. Field Summary protected  boolean inCheck      Flag to indicate whether a security check is in progress. Constructor Summary public   SecurityManager()      Constructs a new instance of this class. Method Summary public  void checkAccept(String host, int port)      Checks whether the running program is allowed to accept socket connections. public  void checkAccess(Thread thread)      Checks whether the running program is allowed to modify the thread. public  void checkAccess(ThreadGroup group)      Checks whether the running program is allowed to modify the thread group. public  void checkAwtEventQueueAccess()      Checks whether the running program is allowed to access the AWT Event queue. public  void checkConnect(String host, int port)      Checks whether the running program is allowed to establish socket connections. public  void checkConnect(String host, int port, Object context)      Checks whether the given security context is allowed to establish socket connections. public  void checkCreateClassLoader()      Checks whether the running program is allowed to create a class loader. public  void checkDelete(String file)      Checks whether the running program is allowed to delete the file named by the argument, which should be passed in canonical form. public  void checkExec(String cmd)      Checks whether the running program is allowed to execute the specified platform specific command. public  void checkExit(int status)      Checks whether the running program is allowed to terminate itself. public  void checkLink(String libName)      Checks whether the running program is allowed to load the specified native library. public  void checkListen(int port)      Checks whether the running program is allowed to listen on the specified port. public  void checkMemberAccess(Class cls, int type)      Checks whether the running program is allowed to access members. public  void checkMulticast(InetAddress maddr)      Checks whether the running program is allowed to join, leave or send to a multicast address. public  void checkMulticast(InetAddress maddr, byte ttl)      Checks whether the running program is allowed to join, leave or send to a multicast address. public  void checkPackageAccess(String packageName)      Checks whether the running program is allowed to access the specified package. public  void checkPackageDefinition(String packageName)      Checks whether the running program is allowed to define new classes in the specified package. public  void checkPermission(Permission permission)      Checks whether the running program is allowed to access the resource being guarded by the given Permission argument. public  void checkPermission(Permission permission, Object context)      Checks whether the running program is allowed to access the resource being guarded by the given Permission argument. public  void checkPrintJobAccess()      Checks whether the running program is allowed to start a new print job. public  void checkPropertiesAccess()      Checks whether the running program is allowed to access the system properties. public  void checkPropertyAccess(String key)      Checks whether the running program is allowed to access a particular system property. public  void checkRead(FileDescriptor fd)      Checks whether the running program is allowed to read from the file whose descriptor is the argument. public  void checkRead(String file)      Checks whether the running program is allowed to read from the file named by the argument, which should be passed in canonical form. public  void checkRead(String file, Object context)      Checks whether the given security context is allowed to read from the file named by the argument, which should be passed in canonical form. public  void checkSecurityAccess(String target)      Checks whether the running program is allowed to perform the security operation named by the target. public  void checkSetFactory()      Checks whether the running program is allowed to set the net object factories. public  void checkSystemClipboardAccess()      Checks whether the running program is allowed to access the system clipboard. public  boolean checkTopLevelWindow(Object window)      Checks whether the running program is allowed to create a top level window. public  void checkWrite(FileDescriptor fd)      Checks whether the running program is allowed to read from the file whose descriptor is the argument. public  void checkWrite(String file)      Checks whether the running program is allowed to write to the file named by the argument, which should be passed in canonical form. protected  int classDepth(String name)      Answers the index in the stack of the first method which is contained in a class called name. protected  int classLoaderDepth()      Answers the index in the stack of three first class whose class loader is not a system class loader. protected  ClassLoader currentClassLoader()      Answers the class loader of the first class in the stack whose class loader is not a system class loader. protected  Class currentLoadedClass()      Answers the first class in the stack which was loaded by a class loader which is not a system class loader. protected  Class[] getClassContext()      Answers an array containing one entry for each method in the stack. public  boolean getInCheck()      Answers true if the security manager is currently checking something. public  Object getSecurityContext()      Answers an object which encapsulates the security state of the current point in the execution. public  ThreadGroup getThreadGroup()      Answers the thread group which should be used to instantiate new threads. protected  boolean inClass(String name)      Answers true if there is a method on the stack from the specified class, and false otherwise. Parameters:   name - String the name of the class to look for. protected  boolean inClassLoader()      Answers true if there is a method on the stack from a class which was defined by a non-system classloader. Field Detail inCheck protected boolean inCheck(Code) Flag to indicate whether a security check is in progress. Constructor Detail SecurityManager public SecurityManager()(Code) Constructs a new instance of this class. Method Detail checkAccept public void checkAccept(String host, int port)(Code) Checks whether the running program is allowed to accept socket connections. Parameters:   host - the address of the host which is attempting to connect Parameters:   port - the port number to check checkAccess public void checkAccess(Thread thread)(Code) Checks whether the running program is allowed to modify the thread. Parameters:   thread - the thread we are attempting to modify checkAccess public void checkAccess(ThreadGroup group)(Code) Checks whether the running program is allowed to modify the thread group. Parameters:   group - the thread group we are attempting to modify checkAwtEventQueueAccess public void checkAwtEventQueueAccess()(Code) Checks whether the running program is allowed to access the AWT Event queue. Since we don't support AWT, the answer is no. checkConnect public void checkConnect(String host, int port)(Code) Checks whether the running program is allowed to establish socket connections. A -1 port indicates the caller is trying to resolve the hostname. Parameters:   host - String the address of the host to connect to. Parameters:   port - int the port number to check, or -1 for resolve. checkConnect public void checkConnect(String host, int port, Object context)(Code) Checks whether the given security context is allowed to establish socket connections. A -1 port indicates the caller is trying to resolve the hostname. Parameters:   host - String the address of the host to connect to. Parameters:   port - int the port number to check, or -1 for resolve. Parameters:   context - Object the security context to use for the check. checkCreateClassLoader public void checkCreateClassLoader()(Code) Checks whether the running program is allowed to create a class loader. checkDelete public void checkDelete(String file)(Code) Checks whether the running program is allowed to delete the file named by the argument, which should be passed in canonical form. Parameters:   file - the name of the file to check checkExec public void checkExec(String cmd)(Code) Checks whether the running program is allowed to execute the specified platform specific command. Parameters:   cmd - the command line checkExit public void checkExit(int status)(Code) Checks whether the running program is allowed to terminate itself. Parameters:   status - the status to return from the exit. checkLink public void checkLink(String libName)(Code) Checks whether the running program is allowed to load the specified native library. Parameters:   libName - the name of the library to load checkListen public void checkListen(int port)(Code) Checks whether the running program is allowed to listen on the specified port. Parameters:   port - int the port number to check checkMemberAccess public void checkMemberAccess(Class cls, int type)(Code) Checks whether the running program is allowed to access members. The default is to allow access to public members (i.e. java.lang.reflect.PUBLIC) and to classes loaded by the same loader as the original caller (i.e. the method that called the reflect API). Due to the nature of the check, overriding implementations cannot call super.checkMemberAccess() since the stack would no longer be of the expected shape. Parameters:   cls - ? Parameters:   type - Either java.lang.reflect.Member.PUBLIC or DECLARED checkMulticast public void checkMulticast(InetAddress maddr)(Code) Checks whether the running program is allowed to join, leave or send to a multicast address. checkMulticast public void checkMulticast(InetAddress maddr, byte ttl)(Code) Checks whether the running program is allowed to join, leave or send to a multicast address. checkPackageAccess public void checkPackageAccess(String packageName)(Code) Checks whether the running program is allowed to access the specified package. Parameters:   packageName - the name of the package to be accessed. checkPackageDefinition public void checkPackageDefinition(String packageName)(Code) Checks whether the running program is allowed to define new classes in the specified package. Parameters:   packageName - the name of the package to add a class to. checkPermission public void checkPermission(Permission permission)(Code) Checks whether the running program is allowed to access the resource being guarded by the given Permission argument. Parameters:   permission - the permission to check checkPermission public void checkPermission(Permission permission, Object context)(Code) Checks whether the running program is allowed to access the resource being guarded by the given Permission argument. Parameters:   permission - the permission to check checkPrintJobAccess public void checkPrintJobAccess()(Code) Checks whether the running program is allowed to start a new print job. checkPropertiesAccess public void checkPropertiesAccess()(Code) Checks whether the running program is allowed to access the system properties. checkPropertyAccess public void checkPropertyAccess(String key)(Code) Checks whether the running program is allowed to access a particular system property. Parameters:   key - the name of the property to be accessed. checkRead public void checkRead(FileDescriptor fd)(Code) Checks whether the running program is allowed to read from the file whose descriptor is the argument. Parameters:   fd - the file descriptor of the file to check checkRead public void checkRead(String file)(Code) Checks whether the running program is allowed to read from the file named by the argument, which should be passed in canonical form. Parameters:   file - String the name of the file or directory to check. checkRead public void checkRead(String file, Object context)(Code) Checks whether the given security context is allowed to read from the file named by the argument, which should be passed in canonical form. Parameters:   file - String the name of the file or directory to check. Parameters:   context - Object the security context to use for the check. checkSecurityAccess public void checkSecurityAccess(String target)(Code) Checks whether the running program is allowed to perform the security operation named by the target. Parameters:   target - String the name of the operation to perform. checkSetFactory public void checkSetFactory()(Code) Checks whether the running program is allowed to set the net object factories. checkSystemClipboardAccess public void checkSystemClipboardAccess()(Code) Checks whether the running program is allowed to access the system clipboard. checkTopLevelWindow public boolean checkTopLevelWindow(Object window)(Code) Checks whether the running program is allowed to create a top level window. Parameters:   window - The non-null window for which to check access checkWrite public void checkWrite(FileDescriptor fd)(Code) Checks whether the running program is allowed to read from the file whose descriptor is the argument. Parameters:   fd - the file descriptor of the file to check checkWrite public void checkWrite(String file)(Code) Checks whether the running program is allowed to write to the file named by the argument, which should be passed in canonical form. Parameters:   file - the name of the file to check classDepth protected int classDepth(String name)(Code) Answers the index in the stack of the first method which is contained in a class called name. If no methods from this class are in the stack, return -1. Parameters:   name - String the name of the class to look for. int the depth in the stack of a the first method found. classLoaderDepth protected int classLoaderDepth()(Code) Answers the index in the stack of three first class whose class loader is not a system class loader. int the frame index of the first method whose class was loaded bya non-system class loader. currentClassLoader protected ClassLoader currentClassLoader()(Code) Answers the class loader of the first class in the stack whose class loader is not a system class loader. ClassLoader the most recent non-system class loader. currentLoadedClass protected Class currentLoadedClass()(Code) Answers the first class in the stack which was loaded by a class loader which is not a system class loader. Class the most recent class loaded by a non-system class loader. getClassContext protected Class[] getClassContext()(Code) Answers an array containing one entry for each method in the stack. Each entry is the java.lang.Class which represents the class in which the method is defined. Class[] all of the classes in the stack. getInCheck public boolean getInCheck()(Code) Answers true if the security manager is currently checking something. boolean true if we are are in a security check method. getSecurityContext public Object getSecurityContext()(Code) Answers an object which encapsulates the security state of the current point in the execution. In our case, this is an AccessControlContext. getThreadGroup public ThreadGroup getThreadGroup()(Code) Answers the thread group which should be used to instantiate new threads. By default, this is the same as the thread group of the thread running this method. ThreadGroup The thread group to create new threads in. inClass protected boolean inClass(String name)(Code) Answers true if there is a method on the stack from the specified class, and false otherwise. Parameters:   name - String the name of the class to look for. boolean true if we are running a method from the specified class. inClassLoader protected boolean inClassLoader()(Code) Answers true if there is a method on the stack from a class which was defined by a non-system classloader. boolean Methods inherited from java.lang.Object protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object object)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final public Class<? extends Object> getClass()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) final public void notify()(Code)(Java Doc) final public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait(long millis) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)