net.cnri.repository.rest

Class RestDataElement

java.lang.Object

net.cnri.repository.AbstractDataElement

net.cnri.repository.rest.RestDataElement

All Implemented Interfaces:

DataElement

public class RestDataElement
extends AbstractDataElement

Constructor Summary

Constructors

Constructor and Description
RestDataElement(RestDigitalObject dobj, MemoryDataElement dataElement)

Method Summary

Methods

Modifier and Type	Method and Description
void	delete() Deletes the data element from its digital object.
void	deleteAttribute(java.lang.String name) Deletes a particular attribute.
void	deleteAttributes(java.util.List<java.lang.String> names) Deletes multiple attributes.
java.lang.String	getAttribute(java.lang.String aname) Returns the value for a particular attribute
java.util.Map<java.lang.String,java.lang.String>	getAttributes() Returns a Map view of the attributes of the data element.
DigitalObject	getDigitalObject() Returns the digital object of this data element.
java.lang.String	getName() Returns the name of this data element.
long	getSize() Returns the number of bytes of data in this data element.
java.lang.String	getType() Returns the MIME type of the given data.
CloseableIterator<java.util.Map.Entry<java.lang.String,java.lang.String>>	listAttributes() Returns a CloseableIterator view of the attributes of the data element.
java.io.InputStream	read() Provides access to the data as an InputStream.
void	setAttribute(java.lang.String name, java.lang.String value) Sets a particular attribute.
void	setAttributes(java.util.Map<java.lang.String,java.lang.String> attributes) Sets the value of multiple attributes.
long	write(java.io.InputStream data, boolean append) Writes new data into the data element.

Methods inherited from class net.cnri.repository.AbstractDataElement

read, setType, write

Methods inherited from class java.lang.Object

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

Constructor Detail

RestDataElement

public RestDataElement(RestDigitalObject dobj,
               MemoryDataElement dataElement)

Method Detail

getAttributes

public java.util.Map<java.lang.String,java.lang.String> getAttributes()

Description copied from interface: DataElement

Returns a Map view of the attributes of the data element.

Specified by:

getAttributes in interface DataElement

Overrides:

getAttributes in class AbstractDataElement

Returns:

a Map view of the attributes of the data element.

listAttributes

public CloseableIterator<java.util.Map.Entry<java.lang.String,java.lang.String>> listAttributes()

Description copied from interface: DataElement

Returns a CloseableIterator view of the attributes of the data element.

Specified by:

listAttributes in interface DataElement

Overrides:

listAttributes in class AbstractDataElement

Returns:

a CloseableIterator view of the attributes of the data element.

getAttribute

public java.lang.String getAttribute(java.lang.String aname)

Description copied from interface: DataElement

Returns the value for a particular attribute

Specified by:

getAttribute in interface DataElement

Overrides:

getAttribute in class AbstractDataElement

Parameters:

aname - the attribute name

Returns:

the attribute value

getType

public java.lang.String getType()

Description copied from interface: DataElement

Returns the MIME type of the given data. Needed to give access to this data to other applications in the Android system.

Specified by:

getType in interface DataElement

Overrides:

getType in class AbstractDataElement

Returns:

the MIME type of this data

read

public java.io.InputStream read()

Description copied from interface: DataElement

Provides access to the data as an InputStream.

Returns:

an InputStream providing access to the data

getSize

public long getSize()

Description copied from interface: DataElement

Returns the number of bytes of data in this data element.

Returns:

the number of bytes of data in this data element

getDigitalObject

public DigitalObject getDigitalObject()

Description copied from interface: DataElement

Returns the digital object of this data element.

Returns:

the digital object of this data element

getName

public java.lang.String getName()

Description copied from interface: DataElement

Returns the name of this data element.

Returns:

the name of this data element

delete

public void delete()
            throws RepositoryException

Description copied from interface: DataElement

Deletes the data element from its digital object.

Specified by:

delete in interface DataElement

Overrides:

delete in class AbstractDataElement

Throws:

RepositoryException

setAttributes

public void setAttributes(java.util.Map<java.lang.String,java.lang.String> attributes)
                   throws RepositoryException

Description copied from interface: DataElement

Sets the value of multiple attributes. Attributes mapped to null will be deleted.

Specified by:

setAttributes in interface DataElement

Overrides:

setAttributes in class AbstractDataElement

Parameters:

attributes - the attributes to set, mapped to their new values

Throws:

RepositoryException

setAttribute

public void setAttribute(java.lang.String name,
                java.lang.String value)
                  throws RepositoryException

Description copied from interface: DataElement

Sets a particular attribute.

Parameters:

name - the attribute name

value - the attribute value; if null, the attribute will be deleted.

Throws:

RepositoryException

deleteAttributes

public void deleteAttributes(java.util.List<java.lang.String> names)
                      throws RepositoryException

Description copied from interface: DataElement

Deletes multiple attributes.

Specified by:

deleteAttributes in interface DataElement

Overrides:

deleteAttributes in class AbstractDataElement

Parameters:

names - the names of the attributes to delete

Throws:

RepositoryException

deleteAttribute

public void deleteAttribute(java.lang.String name)
                     throws RepositoryException

Description copied from interface: DataElement

Deletes a particular attribute.

Parameters:

name - the name of the attribute to delete

Throws:

RepositoryException

write

public long write(java.io.InputStream data,
         boolean append)
           throws java.io.IOException,
                  RepositoryException

Description copied from interface: DataElement

Writes new data into the data element.

Parameters:

data - an InputStream streaming the new data

append - whether to append the new data to the existing data

Returns:

the number of bytes of data written

Throws:

java.io.IOException

RepositoryException