uk.ac.ed.epcc.webapp.forms.inputs

Class FileInput

java.lang.Object

uk.ac.ed.epcc.webapp.forms.inputs.BaseInput<V>

uk.ac.ed.epcc.webapp.forms.inputs.AbstractInput<StreamData>

uk.ac.ed.epcc.webapp.forms.inputs.FileInput

All Implemented Interfaces:

Input<StreamData>

Direct Known Subclasses:

ImageInput, MimeFileInput

public class FileInput
extends AbstractInput<StreamData>

A file upload type input. The value of this input should be a class implementing the StreamData interface. Normally the underlying DB will have a limit on the maximum upload size so add this check to the input

Field Summary

Fields inherited from class uk.ac.ed.epcc.webapp.forms.inputs.BaseInput

validators

Constructor Summary

Constructors

Constructor and Description
FileInput()

Method Summary

Modifier and Type	Method and Description
<R> R	accept(InputVisitor<R> vis)
StreamData	convert(java.lang.Object v) Perform any supported type conversions to to generate a value of the target type
java.lang.String	getAccept()
long	getMaxUpload()
boolean	isEmpty() Is the input empty.
void	setAccept(java.lang.String accept)
long	setMaxUpload(long val) Set the maximum upload size for this input.

Methods inherited from class uk.ac.ed.epcc.webapp.forms.inputs.AbstractInput

getValue, setKey, setValue

Methods inherited from class uk.ac.ed.epcc.webapp.forms.inputs.BaseInput

addValidator, getKey, getPrettyString, getString, getString, removeValidator, validate, validateInner

Methods inherited from class java.lang.Object

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

Constructor Detail

FileInput

public FileInput()

Method Detail

setMaxUpload

public long setMaxUpload(long val)

Set the maximum upload size for this input.

Parameters:

val - max upload size in bytes

Returns:

previous value

getMaxUpload

public long getMaxUpload()

accept

public <R> R accept(InputVisitor<R> vis)
             throws java.lang.Exception

Throws:

java.lang.Exception

getAccept

public java.lang.String getAccept()

Returns:

the accept

setAccept

public void setAccept(java.lang.String accept)

Parameters:

accept - the accept to set

isEmpty

public boolean isEmpty()

Description copied from interface: Input

Is the input empty. empty inputs are reported as errors for non-optional fields. Additional validation is not performed if the input is empty.

Returns:

convert

public StreamData convert(java.lang.Object v)
                   throws TypeError

Description copied from interface: Input

Perform any supported type conversions to to generate a value of the target type

Specified by:

convert in interface Input<StreamData>

Overrides:

convert in class BaseInput<StreamData>

Parameters:

v - Object input

Returns:

target type

Throws:

TypeError