wt.security
Class RuntimeAccess

java.lang.Object
  wt.security.Access
      wt.security.RuntimeAccess

Direct Known Subclasses:

RuntimeAccess_plugin

public class RuntimeAccess

extends Access

Class that provides wrappers to priviledged runtime methods using the wt.security package. This allows applets to execute applications on the client which is typically restricted by the sandbox.

Supported API: true

Field Summary

private Runtime

runtime

Fields inherited from class wt.security.Access

Constructor Summary

RuntimeAccess()

Method Summary

Process	exec(String command) Wrapper for Runtime.getRuntime().exec() method.
Process	exec(String[] cmdarray, String[] envp) Wrapper for Runtime.getRuntime().exec() method.
(package private) Process	exec0(String command)
(package private) Process	exec0(String[] cmdarray, String[] envp)
static RuntimeAccess	getRuntimeAccess() Get instance of RuntimeAccess.
static RuntimeAccess	getRuntimeAccess(Frame parentFrame) Get instance of RuntimeAccess.
void	load(String filename) Wrapper for Runtime.getRuntime().load() method.
(package private) void	load0(String filename)
void	loadLibrary(String libname) Wrapper for Runtime.getRuntime().loadLibrary() method.
(package private) void	loadLibrary0(String libname)
Process	run(String file) Method to load a file with the associated application.
protected void	setRuntime(Runtime runtime)

Methods inherited from class wt.security.Access

checkAccess, checkAccessAll, checkClass, checkClass, checkClass, getAccessImpl, setParentFrame

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

runtime

private Runtime runtime

Constructor Detail

RuntimeAccess

public RuntimeAccess()

Method Detail

getRuntimeAccess

public static RuntimeAccess getRuntimeAccess(Frame parentFrame)

Get instance of RuntimeAccess. This instance can then be used to perform file operation that are typically restricted by the sandbox.

Parameters:

parentFrame - the parent frame for security dialog boxes that may be presented

Supported API: true

getRuntimeAccess

public static RuntimeAccess getRuntimeAccess()

Get instance of RuntimeAccess. This instance can then be used to perform file operation that are typically restricted by the sandbox.

Supported API: true

setRuntime

protected void setRuntime(Runtime runtime)

exec

public Process exec(String command)
             throws WTSecurityException,
                    IOException

Wrapper for Runtime.getRuntime().exec() method.

Parameters:

command - the command to be executed

Supported API: true

Throws:

WTSecurityException

IOException

exec0

Process exec0(String command)
        throws WTSecurityException,
               IOException

Throws:

WTSecurityException

IOException

exec

public Process exec(String[] cmdarray,
                    String[] envp)
             throws WTSecurityException,
                    IOException

Wrapper for Runtime.getRuntime().exec() method.

Parameters:

cmdarray - array containing the command to call and its arguments

envp - array containing environment in format name=value

Supported API: true

Throws:

WTSecurityException

IOException

exec0

Process exec0(String[] cmdarray,
              String[] envp)
        throws WTSecurityException,
               IOException

Throws:

WTSecurityException

IOException

run

public Process run(String file)
            throws WTSecurityException,
                   IOException

Method to load a file with the associated application. This method is currently only implemented in Windows by passing the filename to "rundll32.exe url.dll,FileProtocolHandler file://"

Parameters:

file - the file to be loaded by it's associated executable.

Supported API: true

Throws:

WTSecurityException

IOException

load

public void load(String filename)
          throws WTSecurityException

Wrapper for Runtime.getRuntime().load() method.

Parameters:

filename - the file to load

Supported API: true

Throws:

WTSecurityException

load0

void load0(String filename)
     throws WTSecurityException

Throws:

WTSecurityException

loadLibrary

public void loadLibrary(String libname)
                 throws WTSecurityException

Wrapper for Runtime.getRuntime().loadLibrary() method.

Parameters:

libname - the name of the library

Supported API: true

Throws:

WTSecurityException

loadLibrary0

void loadLibrary0(String libname)
            throws WTSecurityException

Throws:

WTSecurityException