Package com.oss.storage

Class OSSCharStorage

java.lang.Object

com.oss.storage.OSSFileStorage

com.oss.storage.OSSCharStorage

All Implemented Interfaces:

CharStorage, Storage, Serializable, Cloneable

public class OSSCharStorage
extends OSSFileStorage
implements CharStorage

Implements external storage for the data whose contents is either an array of characters or a String.

Since:

ASN.1/Java 1.4-beta A

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
OSSCharStorage()	The default constructor.
OSSCharStorage(File file)	Create an OSSCharStorage object and associate it with an existing disk file.

Method Summary

Modifier and Type	Method	Description
int	getKind()	Identify the kind of storage this object implements.
Reader	getReader()	Return a Reader to read the contents of the storage.
Writer	getWriter(boolean append)	Return a Writer to modify the contents of the storage.

Methods inherited from class com.oss.storage.OSSFileStorage

canRead, canWrite, clone, copy, deallocate, getSize, reset, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.oss.asn1.Storage

canRead, canWrite, copy, deallocate, getSize, reset

Constructor Details

OSSCharStorage

public OSSCharStorage()

The default constructor. Bypasses to the default constructor of the superclass that creates a temporary file and associates the file with this storage object.

OSSCharStorage

public OSSCharStorage(File file)

Create an OSSCharStorage object and associate it with an existing disk file.

Parameters:

file - disk file to associate with this storage object.

Throws:

StorageException - if the specified file does not exist or is not an ordinary (normal) file.

Method Details

getKind

public int getKind()

Identify the kind of storage this object implements.

Specified by:

getKind in interface Storage

Returns:

StorageManager.STORAGE_CHARS.

getReader

public Reader getReader()
                 throws StorageException

Return a Reader to read the contents of the storage.

Specified by:

getReader in interface CharStorage

Returns:

a Reader.

Throws:

StorageException - if read access to the contents was denied.

getWriter

public Writer getWriter(boolean append)
                 throws StorageException

Return a Writer to modify the contents of the storage.

Specified by:

getWriter in interface CharStorage

Parameters:

append - false if the new data will overwrite the value, true when the new data will append to the current contents.

Returns:

a Writer.

Throws:

StorageException - if write access to the contents was denied.