org.apache.oodt.cas.metadata.extractors
Class DataSourceMetExtractor

java.lang.Object
  org.apache.oodt.cas.metadata.AbstractMetExtractor
      org.apache.oodt.cas.metadata.extractors.DataSourceMetExtractor

All Implemented Interfaces:

MetExtractor

Direct Known Subclasses:

ParentKeyDataSourceMetExtractor

public class DataSourceMetExtractor
extends AbstractMetExtractor

MetExtractor which uses input file's name as key for lookup into a sql database to get metadata.

Author:

bfoster@apache.org (Brian Foster)

Field Summary

Fields inherited from class org.apache.oodt.cas.metadata.AbstractMetExtractor

config, LOG, reader

Constructor Summary

DataSourceMetExtractor()

Method Summary

protected Metadata	extrMetadata(File file) Extracts Metadata from the given File
protected String	getKey(File file)
protected Metadata	getMetadata(DataSource dataSource, String query, String key)

Methods inherited from class org.apache.oodt.cas.metadata.AbstractMetExtractor

extractMetadata, extractMetadata, extractMetadata, extractMetadata, extractMetadata, extractMetadata, extractMetadata, setConfigFile, setConfigFile, setConfigFile

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSourceMetExtractor

public DataSourceMetExtractor()

Method Detail

extrMetadata

protected Metadata extrMetadata(File file)
                         throws MetExtractionException

Description copied from class: AbstractMetExtractor

Extracts Metadata from the given File

Specified by:

extrMetadata in class AbstractMetExtractor

Parameters:

file - The File from which Metadata will be extracted

Returns:

The Metadata extracted

Throws:

MetExtractionException - If any error occurs

getKey

protected String getKey(File file)

getMetadata

protected Metadata getMetadata(DataSource dataSource,
                               String query,
                               String key)
                        throws MetExtractionException

Throws:

MetExtractionException