org.fcrepo.kernel

Class DatastreamImpl

java.lang.Object

org.modeshape.jcr.api.JcrTools

org.fcrepo.kernel.FedoraResourceImpl

org.fcrepo.kernel.DatastreamImpl

All Implemented Interfaces:

org.fcrepo.jcr.FedoraJcrTypes, org.fcrepo.kernel.Datastream, org.fcrepo.kernel.FedoraResource

public class DatastreamImpl
extends FedoraResourceImpl
implements org.fcrepo.kernel.Datastream

Abstraction for a Fedora datastream backed by a JCR node.

Author:

ajs6f

Nested Class Summary

Nested classes/interfaces inherited from class org.modeshape.jcr.api.JcrTools

org.modeshape.jcr.api.JcrTools.BasicOperation, org.modeshape.jcr.api.JcrTools.BrowseContent, org.modeshape.jcr.api.JcrTools.CountNodes, org.modeshape.jcr.api.JcrTools.NodeOperation, org.modeshape.jcr.api.JcrTools.Operation, org.modeshape.jcr.api.JcrTools.PrintNodes, org.modeshape.jcr.api.JcrTools.Variable

Field Summary

Fields inherited from class org.fcrepo.kernel.FedoraResourceImpl

node

Fields inherited from interface org.fcrepo.jcr.FedoraJcrTypes

CONTENT_DIGEST, CONTENT_SIZE, FCR_CONTENT, FCR_LOCK, FCR_VERSIONS, FEDORA_BINARY, FEDORA_DATASTREAM, FEDORA_OBJECT, FEDORA_RESOURCE, FROZEN_MIXIN_TYPES, FROZEN_NODE, JCR_CREATED, JCR_CREATEDBY, JCR_LASTMODIFIED, PREMIS_FILE_NAME, ROOT

Constructor Summary

Constructors

Constructor and Description
DatastreamImpl(javax.jcr.Node n) The JCR node for this datastream
DatastreamImpl(javax.jcr.Session session, String path) Create or find a FedoraDatastream at the given path
DatastreamImpl(javax.jcr.Session session, String path, String nodeType) Create or find a FedoraDatastream at the given path

Method Summary

Methods

Modifier and Type	Method and Description
InputStream	getContent()
URI	getContentDigest()
javax.jcr.Node	getContentNode()
long	getContentSize()
String	getDsId()
String	getFilename()
String	getMimeType()
org.fcrepo.kernel.FedoraObject	getObject()
Long	getSize()
boolean	hasContent()
static boolean	hasMixin(javax.jcr.Node node) Check if the node has a fedora:datastream mixin
void	setContent(InputStream content)
void	setContent(InputStream content, String contentType, URI checksum, String originalFileName, org.fcrepo.kernel.services.policy.StoragePolicyDecisionPoint storagePolicyDecisionPoint)

Methods inherited from class org.fcrepo.kernel.FedoraResourceImpl

addVersionLabel, getBaseVersion, getCreatedDate, getEtagValue, getHierarchyTriples, getLastModifiedDate, getModels, getNode, getPath, getPropertiesDataset, getPropertiesDataset, getTriples, getVersionHistory, getVersionTriples, isNew, replaceProperties, updatePropertiesDataset

Methods inherited from class org.modeshape.jcr.api.JcrTools

findOrCreateChild, findOrCreateChild, findOrCreateNode, findOrCreateNode, findOrCreateNode, findOrCreateNode, getNode, getReadable, getStringValue, importContent, importContent, importContent, importContent, importContent, importContent, importContent, isDebug, onEachNode, onEachNodeBelow, print, printNode, printQuery, printQuery, printQuery, printQuery, printSubgraph, printSubgraph, printSubgraph, registerNodeTypes, removeAllChildren, removeAllChildren, repeatedlyWithSession, resourceUrl, uploadFile, uploadFile, uploadFile, uploadFileAndBlock, uploadFileAndBlock, uploadFileAndBlock, uploadFilesAndBlock, var, vars, withSession

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.fcrepo.kernel.FedoraResource

addVersionLabel, getBaseVersion, getCreatedDate, getEtagValue, getHierarchyTriples, getLastModifiedDate, getModels, getNode, getPath, getPropertiesDataset, getPropertiesDataset, getTriples, getVersionHistory, getVersionTriples, isNew, replaceProperties, updatePropertiesDataset

Constructor Detail

DatastreamImpl

public DatastreamImpl(javax.jcr.Node n)

The JCR node for this datastream

Parameters:

n - an existing Node

DatastreamImpl

public DatastreamImpl(javax.jcr.Session session,
              String path,
              String nodeType)
               throws javax.jcr.RepositoryException

Create or find a FedoraDatastream at the given path

Parameters:

session - the JCR session to use to retrieve the object

path - the absolute path to the object

nodeType - primary type to assign to node

Throws:

javax.jcr.RepositoryException

DatastreamImpl

public DatastreamImpl(javax.jcr.Session session,
              String path)
               throws javax.jcr.RepositoryException

Create or find a FedoraDatastream at the given path

Parameters:

session - the JCR session to use to retrieve the object

path - the absolute path to the object

Throws:

javax.jcr.RepositoryException

Method Detail

getContent

public InputStream getContent()
                       throws javax.jcr.RepositoryException

Specified by:

getContent in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

getContentNode

public javax.jcr.Node getContentNode()
                              throws javax.jcr.RepositoryException

Specified by:

getContentNode in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

hasContent

public boolean hasContent()
                   throws javax.jcr.RepositoryException

Specified by:

hasContent in interface org.fcrepo.kernel.Datastream

Specified by:

hasContent in interface org.fcrepo.kernel.FedoraResource

Overrides:

hasContent in class FedoraResourceImpl

Throws:

javax.jcr.RepositoryException

setContent

public void setContent(InputStream content,
              String contentType,
              URI checksum,
              String originalFileName,
              org.fcrepo.kernel.services.policy.StoragePolicyDecisionPoint storagePolicyDecisionPoint)
                throws javax.jcr.RepositoryException,
                       org.fcrepo.kernel.exception.InvalidChecksumException

Specified by:

setContent in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

org.fcrepo.kernel.exception.InvalidChecksumException

setContent

public void setContent(InputStream content)
                throws org.fcrepo.kernel.exception.InvalidChecksumException,
                       javax.jcr.RepositoryException

Specified by:

setContent in interface org.fcrepo.kernel.Datastream

Throws:

org.fcrepo.kernel.exception.InvalidChecksumException

javax.jcr.RepositoryException

getContentSize

public long getContentSize()

Specified by:

getContentSize in interface org.fcrepo.kernel.Datastream

getContentDigest

public URI getContentDigest()
                     throws javax.jcr.RepositoryException

Specified by:

getContentDigest in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

getDsId

public String getDsId()
               throws javax.jcr.RepositoryException

Specified by:

getDsId in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

getObject

public org.fcrepo.kernel.FedoraObject getObject()
                                         throws javax.jcr.RepositoryException

Specified by:

getObject in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

getMimeType

public String getMimeType()
                   throws javax.jcr.RepositoryException

Specified by:

getMimeType in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

getSize

public Long getSize()
             throws javax.jcr.RepositoryException

Specified by:

getSize in interface org.fcrepo.kernel.Datastream

Specified by:

getSize in interface org.fcrepo.kernel.FedoraResource

Overrides:

getSize in class FedoraResourceImpl

Throws:

javax.jcr.RepositoryException

getFilename

public String getFilename()
                   throws javax.jcr.RepositoryException

Specified by:

getFilename in interface org.fcrepo.kernel.Datastream

Throws:

javax.jcr.RepositoryException

hasMixin

public static boolean hasMixin(javax.jcr.Node node)

Check if the node has a fedora:datastream mixin

Parameters:

node - node to check