visad.data.text

Class TextForm

java.lang.Object

visad.data.FormNode

visad.data.Form

visad.data.text.TextForm

All Implemented Interfaces:

FormFileInformer

public class TextForm
extends Form
implements FormFileInformer

Defines the form of text data files for VisAD These may have filename extentions of: .csv - comma-separated values .tsv - tab-separated values .bsv - blank-separated values .txt - (delimiter chosen from the characters: tab, comma, blank in that order)

Constructor Summary

Constructors

Constructor and Description
TextForm()

Method Summary

Modifier and Type	Method and Description
void	add(java.lang.String id, Data data, boolean replace) Add data to an existing data object.
java.lang.String[]	getDefaultSuffixes() Get default suffixes for files/URLs handeled by this form.
FormNode	getForms(Data data) Return the data forms that are compatible with a data object.
boolean	isThisType(byte[] block) Check to see if the block contains the magic number for this form.
boolean	isThisType(java.lang.String name) Check to see if the file name might be right for this form.
DataImpl	open(java.lang.String path) Open an existing data object.
DataImpl	open(java.net.URL url) Open a data object specified as a URL.
void	save(java.lang.String id, Data data, boolean replace) Save a VisAD data object in this form.

Methods inherited from class visad.data.Form

getMathType

Methods inherited from class visad.data.FormNode

getName

Methods inherited from class java.lang.Object

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

Constructor Detail

TextForm

public TextForm()

Method Detail

isThisType

public boolean isThisType(java.lang.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

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

Parameters:

block - block of bytes from file

Returns:

true if the magic number is right

getDefaultSuffixes

public java.lang.String[] getDefaultSuffixes()

Description copied from interface: FormFileInformer

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

Specified by:

getDefaultSuffixes in interface FormFileInformer

Returns:

array of suffixes

save

public void save(java.lang.String id,
                 Data data,
                 boolean replace)
          throws BadFormException,
                 java.io.IOException,
                 java.rmi.RemoteException,
                 VisADException

Description copied from class: FormNode

Save a VisAD data object in this form.

Specified by:

save in class FormNode

Throws:

BadFormException

java.io.IOException

java.rmi.RemoteException

VisADException

add

public void add(java.lang.String id,
                Data data,
                boolean replace)
         throws BadFormException

Description copied from class: FormNode

Add data to an existing data object.

Specified by:

add in class FormNode

Throws:

BadFormException

open

public DataImpl open(java.lang.String path)
              throws BadFormException,
                     java.rmi.RemoteException,
                     VisADException

Description copied from class: FormNode

Open an existing data object.

Specified by:

open in class FormNode

Throws:

BadFormException

java.rmi.RemoteException

VisADException

open

public DataImpl open(java.net.URL url)
              throws BadFormException,
                     VisADException,
                     java.io.IOException

Description copied from class: FormNode

Open a data object specified as a URL.

Specified by:

open in class FormNode

Throws:

BadFormException

VisADException

java.io.IOException

getForms

public FormNode getForms(Data data)

Description copied from class: FormNode

Return the data forms that are compatible with a data object.

Specified by:

getForms in class FormNode