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Java Source Code / Java Documentation » Scripting » Pnuts » pnuts.security 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.lang.Runtime
      pnuts.lang.PnutsImpl
         pnuts.ext.ImplementationAdapter
            pnuts.security.SecurePnutsImpl

All known Subclasses:   pnuts.security.JAASPnutsImpl,
SecurePnutsImpl
public class SecurePnutsImpl extends ImplementationAdapter (Code)
A PnutsImpl subclass that execute scripts in an access control context in Java2 Security.
e.g.
 context.setImplementation(new SecurePnutsImpl(new CompilerPnutsImpl(), codesource))
 



Constructor Summary
public  SecurePnutsImpl(PnutsImpl impl)
    
public  SecurePnutsImpl(Implementation impl)
    
public  SecurePnutsImpl(PnutsImpl impl, CodeSource codeSource)
    
public  SecurePnutsImpl(Implementation impl, CodeSource codeSource)
    

Method Summary
public  Objectaccept(SimpleNode node, Context context)
    
protected  voidaddSandBoxPermissions(URL codebase, PermissionCollection perms)
     Add Applet sand-box permissions to the specified PermissionCollection.
public  Objecteval(String expr, Context context)
    
 CodeSourcegetCodeSource()
    
protected  PermissionCollectiongetPermissions(CodeSource codesource)
     Returns permissions from policy file, plus Applet's sand-box permissions.
protected  PermissionCollectiongetPolicyPermissions(CodeSource codesource)
    
public  Objectload(String file, Context context)
    
public  Objectload(URL scriptURL, Context context)
    
public  ObjectloadFile(String filename, Context context)
    
public  StringtoString()
    


Constructor Detail
SecurePnutsImpl
public SecurePnutsImpl(PnutsImpl impl)(Code)
A Constructor
Parameters:
  impl - a PnutsImpl object



SecurePnutsImpl
public SecurePnutsImpl(Implementation impl)(Code)
A Constructor
Parameters:
  impl - a PnutsImpl object



SecurePnutsImpl
public SecurePnutsImpl(PnutsImpl impl, CodeSource codeSource)(Code)
A Constructor
Parameters:
  impl - the base implementation
Parameters:
  codeSource - a CodeSource object which indicates the source of the expressionexecute by eval(String, Context).



SecurePnutsImpl
public SecurePnutsImpl(Implementation impl, CodeSource codeSource)(Code)
A Constructor
Parameters:
  impl - the base implementation
Parameters:
  codeSource - a CodeSource object which indicates the source of the expressionexecute by eval(String, Context).




Method Detail
accept
public Object accept(SimpleNode node, Context context)(Code)
Evaluate a parsed script
Parameters:
  node - the parsed script
Parameters:
  context - the context in which the script is evaluated the result of the evaluation



addSandBoxPermissions
protected void addSandBoxPermissions(URL codebase, PermissionCollection perms)(Code)
Add Applet sand-box permissions to the specified PermissionCollection.
Parameters:
  codebase - the codebase of the script
Parameters:
  perms - the base PermissionCollection



eval
public Object eval(String expr, Context context)(Code)
Evaluate an expreesion
Parameters:
  expr - the expression to be evaluated
Parameters:
  context - the context in which the expression is evaluated the result of the evaluation



getCodeSource
CodeSource getCodeSource()(Code)



getPermissions
protected PermissionCollection getPermissions(CodeSource codesource)(Code)
Returns permissions from policy file, plus Applet's sand-box permissions. A subclass may override this method to define a custom security policy.
Parameters:
  codesource - the CodeSource of the script the PermissionCollection for the script



getPolicyPermissions
protected PermissionCollection getPolicyPermissions(CodeSource codesource)(Code)
Gets permission declared in the policy file
Parameters:
  codesource - the CodeSource of the script the permissions for the script



load
public Object load(String file, Context context) throws FileNotFoundException(Code)
Load a script file using classloader
Parameters:
  file - the name of the script
Parameters:
  context - the context in which the script is executed the result of the evaluation



load
public Object load(URL scriptURL, Context context)(Code)
Load a script file from a URL
Parameters:
  scriptURL - the URL of the script
Parameters:
  context - the context in which the script is executed



loadFile
public Object loadFile(String filename, Context context) throws FileNotFoundException(Code)
Load a script file from local file system
Parameters:
  filename - the file name of the script
Parameters:
  context - the context in which the expression is evaluated the result of the evaluation



toString
public String toString()(Code)



Methods inherited from pnuts.ext.ImplementationAdapter
public Object accept(SimpleNode node, Context context)(Code)(Java Doc)
public Object eval(String str, Context context)(Code)(Java Doc)
public Implementation getBaseImpl()(Code)(Java Doc)
public Object load(String file, Context context) throws FileNotFoundException(Code)(Java Doc)
public Object load(URL scriptURL, Context context)(Code)(Java Doc)
public Object loadFile(String filename, Context context) throws FileNotFoundException(Code)(Java Doc)

Fields inherited from pnuts.lang.PnutsImpl
protected Properties properties(Code)(Java Doc)

Methods inherited from pnuts.lang.PnutsImpl
public Object accept(SimpleNode node, Context context)(Code)(Java Doc)
protected Object acceptNode(SimpleNode node, Context context)(Code)(Java Doc)
public Object eval(String expr, Context context)(Code)(Java Doc)
public static PnutsImpl getDefault()(Code)(Java Doc)
public Object load(String file, Context context) throws FileNotFoundException(Code)(Java Doc)
public Object load(URL scriptURL, Context context)(Code)(Java Doc)
public Object loadFile(String filename, Context context) throws FileNotFoundException(Code)(Java Doc)
protected void popFile(Context context)(Code)(Java Doc)
protected void provide(String file, Context context)(Code)(Java Doc)
protected void pushFile(Object file, Context context)(Code)(Java Doc)
public String queryProperty(String key)(Code)(Java Doc)
protected void revoke(String file, Context context)(Code)(Java Doc)
public void setProperties(Properties properties)(Code)(Java Doc)
public void setProperty(String key, String value)(Code)(Java Doc)

Methods inherited from java.lang.Runtime
public void addShutdownHook(Thread hook)(Code)(Java Doc)
native public int availableProcessors()(Code)(Java Doc)
public Process exec(String command) throws IOException(Code)(Java Doc)
public Process exec(String command, String[] envp) throws IOException(Code)(Java Doc)
public Process exec(String command, String[] envp, File dir) throws IOException(Code)(Java Doc)
public Process exec(String cmdarray) throws IOException(Code)(Java Doc)
public Process exec(String[] cmdarray, String[] envp) throws IOException(Code)(Java Doc)
public Process exec(String[] cmdarray, String[] envp, File dir) throws IOException(Code)(Java Doc)
public void exit(int status)(Code)(Java Doc)
native public long freeMemory()(Code)(Java Doc)
native public void gc()(Code)(Java Doc)
public InputStream getLocalizedInputStream(InputStream in)(Code)(Java Doc)
public OutputStream getLocalizedOutputStream(OutputStream out)(Code)(Java Doc)
public static Runtime getRuntime()(Code)(Java Doc)
public void halt(int status)(Code)(Java Doc)
public void load(String filename)(Code)(Java Doc)
public void loadLibrary(String libname)(Code)(Java Doc)
native public long maxMemory()(Code)(Java Doc)
public boolean removeShutdownHook(Thread hook)(Code)(Java Doc)
public void runFinalization()(Code)(Java Doc)
public static void runFinalizersOnExit(boolean value)(Code)(Java Doc)
native public long totalMemory()(Code)(Java Doc)
native public void traceInstructions(boolean on)(Code)(Java Doc)
native public void traceMethodCalls(boolean on)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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