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java.lang.Object
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+--bees.core.Capability
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+--bees.core.resource.PathSpec
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+--bees.core.resource.File
Capability to govern access to a disk file.
| Field Summary | |
static PermissionSet |
DEFAULT_PERMISSIONS
The default permissions for a new file capability. |
static FilePermission |
FILE_APPEND_PERMISSION
Permission to append to the file. |
static Permission |
FILE_DELETE_PERMISSION
Permission to delete the file. |
static Permission |
FILE_LENGTH_PERMISSION
Permission to get the file's length. |
static Permission |
FILE_READ_LAST_MODIFIED_PERMISSION
Permission to read the file's last modified time. |
static Permission |
FILE_READ_PERMISSION
Permission to read the file. |
static Permission |
FILE_WRITE_LAST_MODIFIED_PERMISSION
Permission to write the file's last modified time. |
static Permission |
FILE_WRITE_PERMISSION
Permission to write to the file. |
| Fields inherited from class bees.core.Capability |
DELETE_PERMISSION, id, INVALID_ID |
| Constructor Summary | |
File()
Construct an empty File capability. |
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| Method Summary | |
void |
delete()
Delete the file on disk. |
protected void |
fromBytes(byte[] flattened,
CapabilityEnvelope[] sub)
Bind this capability to the given object. |
java.io.InputStream |
getInputStream()
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java.io.OutputStream |
getOutputStream()
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java.io.OutputStream |
getOutputStream(boolean append)
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void |
getSuites(edu.utah.janosvm.kit.comm.jsi.JSIMessage jm)
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void |
handleMessage(edu.utah.janosvm.kit.comm.jsi.JSIHandlerContext jhc,
edu.utah.janosvm.kit.comm.jsi.JSIMessage jm)
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long |
lastModified(Clock clock)
Get the last modified time of the file. |
long |
length()
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edu.utah.janosvm.kit.comm.jsi.JSIHandler |
resolveSpecifier(edu.utah.janosvm.kit.comm.jsi.JSIMessage jm,
edu.utah.janosvm.kit.comm.jsi.JSIPair jp)
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void |
revoke()
Revoke access to the capability. |
java.lang.String |
toString()
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| Methods inherited from class bees.core.resource.PathSpec |
getFactory, specFromBytes, toBytes |
| Methods inherited from class bees.core.Capability |
checkPermission, clear, clonePermission, deleteCapability, equals, fromBytes, revokedPermission, revokePermission, revokePermissions, valid |
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
public static final Permission FILE_READ_PERMISSION
public static final Permission FILE_WRITE_PERMISSION
public static final FilePermission FILE_APPEND_PERMISSION
public static final Permission FILE_LENGTH_PERMISSION
public static final Permission FILE_READ_LAST_MODIFIED_PERMISSION
public static final Permission FILE_WRITE_LAST_MODIFIED_PERMISSION
public static final Permission FILE_DELETE_PERMISSION
public static final PermissionSet DEFAULT_PERMISSIONS
| Constructor Detail |
public File()
| Method Detail |
protected void fromBytes(byte[] flattened,
CapabilityEnvelope[] sub)
throws java.lang.Exception
CapabilityfromBytes in class CapabilityCapability.fromBytes(byte[], CapabilityEnvelope[])public void revoke()
Capabilityrevoke in class PathSpecCapability.revoke()public long lastModified(Clock clock)
clock - A clock from which to base the returned time value on.public long length()
public java.io.InputStream getInputStream()
throws java.io.FileNotFoundException,
java.io.IOException
java.io.FileNotFoundException - If the file no longer exists in the local
file system. XXX This really shouldn't be here.java.io.IOException - If there is a problem opening the file.
public java.io.OutputStream getOutputStream(boolean append)
throws java.io.FileNotFoundException
append - True if the stream should start at the end of the file.java.io.FileNotFoundException - If the file no longer exists in the local
file system. XXX This really shouldn't be here.
public java.io.OutputStream getOutputStream()
throws java.io.FileNotFoundException
java.io.FileNotFoundException - If the file no longer exists in the local
file system. XXX This really shouldn't be here.public void delete()
public edu.utah.janosvm.kit.comm.jsi.JSIHandler resolveSpecifier(edu.utah.janosvm.kit.comm.jsi.JSIMessage jm,
edu.utah.janosvm.kit.comm.jsi.JSIPair jp)
resolveSpecifier in interface edu.utah.janosvm.kit.comm.jsi.JSIHandlerJSIHandler.resolveSpecifier(JSIMessage, JSIPair)
public void handleMessage(edu.utah.janosvm.kit.comm.jsi.JSIHandlerContext jhc,
edu.utah.janosvm.kit.comm.jsi.JSIMessage jm)
handleMessage in interface edu.utah.janosvm.kit.comm.jsi.JSIHandlerJSIHandler.handleMessage(JSIHandlerContext, JSIMessage)public void getSuites(edu.utah.janosvm.kit.comm.jsi.JSIMessage jm)
getSuites in interface edu.utah.janosvm.kit.comm.jsi.JSIHandlerJSIHandler.getSuites(JSIMessage)public java.lang.String toString()
toString in class PathSpecObject.toString()
|
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