gov.nasa.pds.objectAccess

Class ObjectAccess

java.lang.Object

gov.nasa.pds.objectAccess.ObjectAccess

All Implemented Interfaces:

ObjectProvider

public class ObjectAccess
extends Object
implements ObjectProvider

The ObjectAccess class is a point of entry into parsed PDS (including PDS 4/XML-schema-labeled) objects.

Author:

dcberrio

Constructor Summary

Constructors

Constructor and Description
ObjectAccess() Creates a new instance with the current local directory as the archive root path.
ObjectAccess(File archiveRoot) Constructs an ObjectAccess object and sets the archive root path.
ObjectAccess(String archiveRoot) Constructs an ObjectAccess object and sets the archive root path.
ObjectAccess(URL archiveRoot) Constructs an ObjectAccess object and sets the archive root path.

Method Summary

Methods

Modifier and Type	Method and Description
String	getArchiveRoot() Gets the root file path of the object archive(s) for this ObjectProvider.
List<Array2DImage>	getArray2DImages(FileAreaObservational observationalFileArea) Returns a list of Array2DImage objects given an observation file area object.
List<Array3DImage>	getArray3DImages(FileAreaObservational observationalFileArea) Returns a list of Array3DImage objects given an observation file area object.
List<Array3DSpectrum>	getArray3DSpectrums(FileAreaObservational observationalFileArea) Returns a list of Array3DSpectrum objects given an observation file area object.
List<Array>	getArrays(FileArea fileArea) Gets a list of Array objects from a file area.
List<Array>	getArrays(FileAreaBrowse fileArea) Gets a list of Array objects from a browse file area.
List<Array>	getArrays(FileAreaObservational fileArea) Gets a list of Array objects from an observational file area.
List<FieldBinary>	getFieldBinaries(TableBinary table) Returns a list of FieldBinary objects given a table binary object.
List<Object>	getFieldBinaryAndGroupFieldBinaries(TableBinary table) Returns a list of FieldBinary and GroupFieldBinary objects given a table binary object.
List<Object>	getFieldCharacterAndGroupFieldCharacters(TableCharacter table) Returns a list of FieldCharacter and GroupFieldCharacter objects given a table character object.
List<FieldCharacter>	getFieldCharacters(TableCharacter table) Returns a list of FieldCharacter objects given a table character object.
List<Object>	getFieldDelimitedAndGroupFieldDelimiteds(TableDelimited table) Returns a list of FieldDelimited and GroupFieldDelimited objects given a table delimited object.
List<FieldDelimited>	getFieldDelimiteds(TableDelimited table) Returns a list of FieldDelimited objects given a table delimited object.
List<GroupFieldDelimited>	getGroupFieldDelimiteds(TableDelimited table) Returns a list of GroupFieldDelimited objects given a table delimited object.
ProductObservational	getObservationalProduct(String relativeXmlFilePath) Gets an instance of ProductObservational.
<T> T	getProduct(File labelFile, Class<T> productClass) Reads a product label of a specified class, and returns an instance of that class as a result.
<T> T	getProduct(URL label, Class<T> productClass) Reads a product label of a specified class, and returns an instance of that class as a result.
URL	getRoot() Gets the root file path of the object archive(s) for this ObjectProvider.
List<TableBinary>	getTableBinaries(FileAreaObservational observationalFileArea) Returns a list of TableBinary objects given an observation file area object.
List<TableCharacter>	getTableCharacters(FileAreaObservational observationalFileArea) Returns a list of TableCharacter objects given an observation file area object.
List<TableDelimited>	getTableDelimiteds(FileAreaObservational observationalFileArea) Returns a list of TableDelimited objects given an observation file area object.
List<Object>	getTableObjects(FileArea fileArea)
List<Object>	getTableObjects(FileAreaBrowse browseFileArea)
List<Object>	getTableObjects(FileAreaObservational observationalFileArea) Returns a list of table objects.
List<Object>	getTableObjects(FileAreaObservationalSupplemental observationalFileAreaSupplemental) Returns a list of table objects.
List<Object>	getTablesAndImages(FileArea fileArea)
List<Object>	getTablesAndImages(FileAreaBrowse browseFileArea)
List<Object>	getTablesAndImages(FileAreaObservational observationalFileArea)
XMLLabelContext	getXMLLabelContext()
void	setObservationalProduct(String relativeXmlFilePath, ProductObservational product) Writes a label given the product XML file.
void	setObservationalProduct(String relativeXmlFilePath, ProductObservational product, XMLLabelContext labelContext) Writes a label given the product XML file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectAccess

public ObjectAccess()
             throws MalformedURLException,
                    URISyntaxException

Creates a new instance with the current local directory as the archive root path.

Throws:

URISyntaxException

MalformedURLException

ObjectAccess

public ObjectAccess(String archiveRoot)
             throws MalformedURLException,
                    URISyntaxException

Constructs an ObjectAccess object and sets the archive root path.

Parameters:

archiveRoot - the archive root path

Throws:

URISyntaxException

MalformedURLException

Exception

ObjectAccess

public ObjectAccess(File archiveRoot)
             throws MalformedURLException,
                    URISyntaxException

Constructs an ObjectAccess object and sets the archive root path.

Parameters:

archiveRoot - the archive root path

Throws:

URISyntaxException

MalformedURLException

Exception

ObjectAccess

public ObjectAccess(URL archiveRoot)
             throws URISyntaxException,
                    MalformedURLException

Constructs an ObjectAccess object and sets the archive root path.

Parameters:

archiveRoot - the archive root path

Throws:

URISyntaxException

MalformedURLException

Method Detail

getProduct

public <T> T getProduct(File labelFile,
               Class<T> productClass)
             throws ParseException

Description copied from interface: ObjectProvider

Reads a product label of a specified class, and returns an instance of that class as a result.

Specified by:

getProduct in interface ObjectProvider

Type Parameters:

T - the product object class

Parameters:

labelFile - the file containing the XML label

productClass - the product object class

Returns:

an instance of the product object

Throws:

ParseException - if there is an error parsing the label

getProduct

public <T> T getProduct(URL label,
               Class<T> productClass)
             throws ParseException

Description copied from interface: ObjectProvider

Reads a product label of a specified class, and returns an instance of that class as a result.

Specified by:

getProduct in interface ObjectProvider

Type Parameters:

T - the product object class

Parameters:

label - the url containing the XML label

productClass - the product object class

Returns:

an instance of the product object

Throws:

ParseException - if there is an error parsing the label

getObservationalProduct

public ProductObservational getObservationalProduct(String relativeXmlFilePath)

Description copied from interface: ObjectProvider

Gets an instance of ProductObservational.

Specified by:

getObservationalProduct in interface ObjectProvider

Parameters:

relativeXmlFilePath - the XML file path and name of the product to obtain, relative to the ObjectAccess archive root

Returns:

an instance of ProductObservational

setObservationalProduct

public void setObservationalProduct(String relativeXmlFilePath,
                           ProductObservational product)
                             throws Exception

Description copied from interface: ObjectProvider

Writes a label given the product XML file.

Specified by:

setObservationalProduct in interface ObjectProvider

Parameters:

relativeXmlFilePath - the XML file path and name of the product to set, relative to the ObjectAccess archive root

product - The Product_Observational object to serialize into an XML file.

Throws:

Exception

setObservationalProduct

public void setObservationalProduct(String relativeXmlFilePath,
                           ProductObservational product,
                           XMLLabelContext labelContext)
                             throws Exception

Writes a label given the product XML file. This method assumes that the label will be written to the local file system. Therefore, the protocol of the ObjectAccess archive root must be a 'file'.

Specified by:

setObservationalProduct in interface ObjectProvider

Parameters:

relativeXmlFilePath - the XML file path and name of the product to set, relative to the ObjectAccess archive root

product - The Product_Observational object to serialize into an XML file.

labelContext - A context to use when creating the XML file. Can be set to null.

Throws:

Exception - If there was an error creating the XML file.

getArrays

public List<Array> getArrays(FileArea fileArea)

Description copied from interface: ObjectProvider

Gets a list of Array objects from a file area.

Specified by:

getArrays in interface ObjectProvider

Parameters:

fileArea - the file area.

Returns:

an list of arrays, which may be empty.

getArrays

public List<Array> getArrays(FileAreaObservational fileArea)

Description copied from interface: ObjectProvider

Gets a list of Array objects from an observational file area.

Specified by:

getArrays in interface ObjectProvider

Parameters:

fileArea - the observational file area.

Returns:

an list of arrays, which may be empty.

getArrays

public List<Array> getArrays(FileAreaBrowse fileArea)

Description copied from interface: ObjectProvider

Gets a list of Array objects from a browse file area.

Specified by:

getArrays in interface ObjectProvider

Parameters:

fileArea - the browse file area

Returns:

an list of arrays, which may be empty

getArray2DImages

public List<Array2DImage> getArray2DImages(FileAreaObservational observationalFileArea)

Description copied from interface: ObjectProvider

Returns a list of Array2DImage objects given an observation file area object.

Specified by:

getArray2DImages in interface ObjectProvider

Returns:

a list of image objects

getArray3DImages

public List<Array3DImage> getArray3DImages(FileAreaObservational observationalFileArea)

Description copied from interface: ObjectProvider

Returns a list of Array3DImage objects given an observation file area object.

Specified by:

getArray3DImages in interface ObjectProvider

Returns:

a list of image objects

getArray3DSpectrums

public List<Array3DSpectrum> getArray3DSpectrums(FileAreaObservational observationalFileArea)

Description copied from interface: ObjectProvider

Returns a list of Array3DSpectrum objects given an observation file area object.

Specified by:

getArray3DSpectrums in interface ObjectProvider

Returns:

a list of image objects

getTableObjects

public List<Object> getTableObjects(FileAreaObservational observationalFileArea)

Description copied from interface: ObjectProvider

Returns a list of table objects.

Specified by:

getTableObjects in interface ObjectProvider

Returns:

a list of table objects

getTableObjects

public List<Object> getTableObjects(FileAreaBrowse browseFileArea)

Specified by:

getTableObjects in interface ObjectProvider

getTableObjects

public List<Object> getTableObjects(FileArea fileArea)

Specified by:

getTableObjects in interface ObjectProvider

getTablesAndImages

public List<Object> getTablesAndImages(FileArea fileArea)

Specified by:

getTablesAndImages in interface ObjectProvider

getTablesAndImages

public List<Object> getTablesAndImages(FileAreaObservational observationalFileArea)

Specified by:

getTablesAndImages in interface ObjectProvider

getTablesAndImages

public List<Object> getTablesAndImages(FileAreaBrowse browseFileArea)

Specified by:

getTablesAndImages in interface ObjectProvider

getTableCharacters

public List<TableCharacter> getTableCharacters(FileAreaObservational observationalFileArea)

Description copied from interface: ObjectProvider

Returns a list of TableCharacter objects given an observation file area object.

Specified by:

getTableCharacters in interface ObjectProvider

Returns:

list of TableCharacter objects

getTableBinaries

public List<TableBinary> getTableBinaries(FileAreaObservational observationalFileArea)

Description copied from interface: ObjectProvider

Returns a list of TableBinary objects given an observation file area object.

Specified by:

getTableBinaries in interface ObjectProvider

Returns:

list of TableBinary objects

getTableDelimiteds

public List<TableDelimited> getTableDelimiteds(FileAreaObservational observationalFileArea)

Description copied from interface: ObjectProvider

Returns a list of TableDelimited objects given an observation file area object.

Specified by:

getTableDelimiteds in interface ObjectProvider

Returns:

list of TableDelimited objects

getFieldCharacters

public List<FieldCharacter> getFieldCharacters(TableCharacter table)

Description copied from interface: ObjectProvider

Returns a list of FieldCharacter objects given a table character object.

Specified by:

getFieldCharacters in interface ObjectProvider

Parameters:

table - TableCharacter object

Returns:

list of FieldCharacter objects

getFieldDelimiteds

public List<FieldDelimited> getFieldDelimiteds(TableDelimited table)

Description copied from interface: ObjectProvider

Returns a list of FieldDelimited objects given a table delimited object.

Specified by:

getFieldDelimiteds in interface ObjectProvider

Parameters:

table - TableDelimited object

Returns:

list of FieldDelimited objects

getGroupFieldDelimiteds

public List<GroupFieldDelimited> getGroupFieldDelimiteds(TableDelimited table)

Description copied from interface: ObjectProvider

Returns a list of GroupFieldDelimited objects given a table delimited object.

Specified by:

getGroupFieldDelimiteds in interface ObjectProvider

Parameters:

table - TableDelimited object

Returns:

list of GroupFieldDelimited objects

getFieldDelimitedAndGroupFieldDelimiteds

public List<Object> getFieldDelimitedAndGroupFieldDelimiteds(TableDelimited table)

Description copied from interface: ObjectProvider

Returns a list of FieldDelimited and GroupFieldDelimited objects given a table delimited object.

Specified by:

getFieldDelimitedAndGroupFieldDelimiteds in interface ObjectProvider

Parameters:

table - TableDelimited object

Returns:

list of FieldDelimited and GroupFieldDelimited objects

getFieldCharacterAndGroupFieldCharacters

public List<Object> getFieldCharacterAndGroupFieldCharacters(TableCharacter table)

Description copied from interface: ObjectProvider

Returns a list of FieldCharacter and GroupFieldCharacter objects given a table character object.

Specified by:

getFieldCharacterAndGroupFieldCharacters in interface ObjectProvider

Parameters:

table - TableCharacter object

Returns:

list of FieldCharacter and GroupFieldCharacter objects

getFieldBinaryAndGroupFieldBinaries

public List<Object> getFieldBinaryAndGroupFieldBinaries(TableBinary table)

Description copied from interface: ObjectProvider

Returns a list of FieldBinary and GroupFieldBinary objects given a table binary object.

Specified by:

getFieldBinaryAndGroupFieldBinaries in interface ObjectProvider

Parameters:

table - TableBinary object

Returns:

list of FieldBinary and GroupFieldBinary objects

getTableObjects

public List<Object> getTableObjects(FileAreaObservationalSupplemental observationalFileAreaSupplemental)

Description copied from interface: ObjectProvider

Returns a list of table objects.

Specified by:

getTableObjects in interface ObjectProvider

Returns:

list of observationalFileAreaSupplemental objects

getFieldBinaries

public List<FieldBinary> getFieldBinaries(TableBinary table)

Description copied from interface: ObjectProvider

Returns a list of FieldBinary objects given a table binary object.

Specified by:

getFieldBinaries in interface ObjectProvider

Parameters:

table - TableBinary object

Returns:

list of FieldBinary objects

getArchiveRoot

public String getArchiveRoot()

Description copied from interface: ObjectProvider

Gets the root file path of the object archive(s) for this ObjectProvider.

Specified by:

getArchiveRoot in interface ObjectProvider

Returns:

the root file path of the object archive(s) for this ObjectProvider

getRoot

public URL getRoot()

Description copied from interface: ObjectProvider

Gets the root file path of the object archive(s) for this ObjectProvider.

Specified by:

getRoot in interface ObjectProvider

Returns:

the root file path of the object archive(s) for this ObjectProvider

getXMLLabelContext

public XMLLabelContext getXMLLabelContext()