gov.nasa.pds.transport

Class OFSNFileHandler

java.lang.Object

gov.nasa.pds.transport.OFSNFileHandler

All Implemented Interfaces:

org.apache.oodt.product.handlers.ofsn.metadata.OFSNMetKeys, org.apache.oodt.product.handlers.ofsn.metadata.OFSNXMLConfigMetKeys, org.apache.oodt.product.handlers.ofsn.metadata.OFSNXMLMetKeys, org.apache.oodt.product.handlers.ofsn.metadata.XMLQueryMetKeys, org.apache.oodt.product.LargeProductQueryHandler, org.apache.oodt.product.QueryHandler

public class OFSNFileHandler
extends Object
implements org.apache.oodt.product.LargeProductQueryHandler, org.apache.oodt.product.handlers.ofsn.metadata.XMLQueryMetKeys, org.apache.oodt.product.handlers.ofsn.metadata.OFSNXMLMetKeys, org.apache.oodt.product.handlers.ofsn.metadata.OFSNMetKeys, org.apache.oodt.product.handlers.ofsn.metadata.OFSNXMLConfigMetKeys

An extensible implementation of the PDS-inspired Online File Specification Name (OFSN) style product server. See the ofsn-ps.xml file for a detailed specification of the configuration and motivation behind this product handler.

Version:

$Revision$

Author:

mattmann

Field Summary

Fields inherited from interface org.apache.oodt.product.handlers.ofsn.metadata.XMLQueryMetKeys

OFSN, RETURN_TYPE

Fields inherited from interface org.apache.oodt.product.handlers.ofsn.metadata.OFSNXMLMetKeys

DIR_ENTRY_TAG, DIR_LISTING_NS, DIR_RESULT_TAG, FILE_SIZE_TAG, OFSN_TAG, XML_MIME_TYPE

Fields inherited from interface org.apache.oodt.product.handlers.ofsn.metadata.OFSNMetKeys

GET_CMD, LISTING_CMD, OFSN_COMPUTE_DIR_SIZE, OFSN_COMPUTE_FILE_SIZE, OFSN_XML_CONF_FILE_KEY

Fields inherited from interface org.apache.oodt.product.handlers.ofsn.metadata.OFSNXMLConfigMetKeys

HANDLER_CLASSNAME_ATTR, HANDLER_NAME_ATTR, HANDLER_TAG, HANDLER_TYPE_ATTR, OFSN_CFG_ID_ATTR, OFSN_CFG_NAME_ATTR, OFSN_PRODUCT_ROOT_ATTR, PROPERTY_MIMETYPE_ATTR, PROPERTY_NAME_ATTR, PROPERTY_TAG, PROPERTY_VALUE_ATTR

Constructor Summary

Constructors

Constructor and Description
OFSNFileHandler()

Method Summary

Methods

Modifier and Type	Method and Description
void	close(String id)
org.apache.oodt.xmlquery.XMLQuery	query(org.apache.oodt.xmlquery.XMLQuery xmlQuery)
byte[]	retrieveChunk(String id, long offset, int length)
void	writeToFile(File[] fileArray, String optArg, OutputStream outStream)

Methods inherited from class java.lang.Object

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

Constructor Detail

OFSNFileHandler

public OFSNFileHandler()
                throws InstantiationException

Throws:

InstantiationException

Method Detail

query

public org.apache.oodt.xmlquery.XMLQuery query(org.apache.oodt.xmlquery.XMLQuery xmlQuery)
                                        throws org.apache.oodt.product.ProductException

Specified by:

query in interface org.apache.oodt.product.QueryHandler

Throws:

org.apache.oodt.product.ProductException

close

public void close(String id)

Specified by:

close in interface org.apache.oodt.product.LargeProductQueryHandler

retrieveChunk

public byte[] retrieveChunk(String id,
                   long offset,
                   int length)
                     throws org.apache.oodt.product.ProductException

Specified by:

retrieveChunk in interface org.apache.oodt.product.LargeProductQueryHandler

Throws:

org.apache.oodt.product.ProductException

writeToFile

public void writeToFile(File[] fileArray,
               String optArg,
               OutputStream outStream)