visad.data.visad
Class VisADCachingForm

java.lang.Object
  visad.data.FormNode
      visad.data.Form
          visad.data.visad.VisADForm
              visad.data.visad.VisADCachingForm

All Implemented Interfaces:

FormFileInformer

public class VisADCachingForm
extends VisADForm

VisADCachingForm is the VisAD data format adapter for large binary visad.Data objects which may not fit in memory.

Field Summary

Fields inherited from class visad.data.Form

mathType

Constructor Summary

VisADCachingForm()

Method Summary

String[]	getDefaultSuffixes() Get default suffixes for files/URLs handeled by this form.
boolean	isThisType(byte[] block) Check to see if the block contains the magic number for this form.
boolean	isThisType(String name) Check to see if the file name might be right for this form.
DataImpl	open(String id) Open an existing data object.
DataImpl	open(URL url) Open a data object specified as a URL.
DataImpl	readData(BinaryReader rdr)

Methods inherited from class visad.data.visad.VisADForm

add, getForms, main, readSerial, save, save

Methods inherited from class visad.data.Form

getMathType

Methods inherited from class visad.data.FormNode

getName

Methods inherited from class java.lang.Object

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

Constructor Detail

VisADCachingForm

public VisADCachingForm()

Method Detail

isThisType

public boolean isThisType(String name)

Description copied from interface: FormFileInformer

Check to see if the file name might be right for this form.

Specified by:

isThisType in interface FormFileInformer

Overrides:

isThisType in class VisADForm

Parameters:

name - name of the file

Returns:

true if the name is right for this type of form

isThisType

public boolean isThisType(byte[] block)

Description copied from interface: FormFileInformer

Check to see if the block contains the magic number for this form.

Specified by:

isThisType in interface FormFileInformer

Overrides:

isThisType in class VisADForm

Parameters:

block - block of bytes from file

Returns:

true if the magic number is right

getDefaultSuffixes

public String[] getDefaultSuffixes()

Description copied from interface: FormFileInformer

Get default suffixes for files/URLs handeled by this form.

Specified by:

getDefaultSuffixes in interface FormFileInformer

Overrides:

getDefaultSuffixes in class VisADForm

Returns:

array of suffixes

open

public DataImpl open(URL url)
              throws BadFormException,
                     VisADException

Description copied from class: FormNode

Open a data object specified as a URL.

Overrides:

open in class VisADForm

Throws:

BadFormException

VisADException

open

public DataImpl open(String id)
              throws BadFormException,
                     IOException,
                     VisADException

Description copied from class: FormNode

Open an existing data object.

Overrides:

open in class VisADForm

Throws:

BadFormException

IOException

VisADException

readData

public DataImpl readData(BinaryReader rdr)
                  throws IOException,
                         VisADException

Overrides:

readData in class VisADForm

Throws:

IOException

VisADException