org.apache.oodt.cas.metadata
Interface MetExtractor

All Known Implementing Classes:

AbstractMetExtractor, CmdLineMetExtractor, CopyAndRewriteExtractor, ExternMetExtractor, FilenameTokenMetExtractor, MetReaderExtractor

public interface MetExtractor

Version:

$Revision$

An interface for Metadata extraction. This interface expects the definition of the following two parameters:

• file - the file to extract Metadata from.
• config file - a pointer to the config file for this MetExtractor

Author:

mattmann

Method Summary

Metadata	extractMetadata(File f) Extracts Metadata from a given File.
Metadata	extractMetadata(File f, File configFile) Extracts Metadata from the given File using the specified config file.
Metadata	extractMetadata(File f, MetExtractorConfig config) Extracts Metadata from the given File using the specified MetExtractorConfig.
Metadata	extractMetadata(File f, String configFilePath) Extracts Metadata from the given File using the specified config file path.
Metadata	extractMetadata(String filePath) Extracts Metadata from a given /path/to/some/file.
Metadata	extractMetadata(URL fileUrl) Extracts Metadata from a given URL pointer to a File.
Metadata	extractMetadata(URL fileUrl, MetExtractorConfig config) Extracts Metadata from the given URL using the specified MetExtractorConfig.
void	setConfigFile(File f) Sets the config file for this MetExtractor to the specified File f.
void	setConfigFile(MetExtractorConfig config) Sets the MetExtractorConfig for the MetExtractor
void	setConfigFile(String filePath) Sets the config file for this MetExtractor to the specified File identified by filePath.

Method Detail

extractMetadata

Metadata extractMetadata(File f)
                         throws MetExtractionException

Extracts Metadata from a given File.

Parameters:

f - File object to extract Metadata from.

Returns:

Extracted Metadata from the given File.

Throws:

MetExtractionException - If any error occurs.

extractMetadata

Metadata extractMetadata(String filePath)
                         throws MetExtractionException

Extracts Metadata from a given /path/to/some/file.

Parameters:

filePath - Path to a given file to extract Metadata from.

Returns:

Extracted Metadata from the given filePath.

Throws:

MetExtractionException - If any error occurs.

extractMetadata

Metadata extractMetadata(URL fileUrl)
                         throws MetExtractionException

Extracts Metadata from a given URL pointer to a File.

Parameters:

fileUrl - The URL pointer to a File.

Returns:

Extracted Metadata from the given File URL.

Throws:

MetExtractionException - If any error occurs.

setConfigFile

void setConfigFile(File f)
                   throws MetExtractionException

Sets the config file for this MetExtractor to the specified File f.

Parameters:

f - The config file for this MetExtractor.

Throws:

MetExtractionException

setConfigFile

void setConfigFile(String filePath)
                   throws MetExtractionException

Sets the config file for this MetExtractor to the specified File identified by filePath.

Parameters:

filePath - The config file path for this MetExtractor.

Throws:

MetExtractionException

setConfigFile

void setConfigFile(MetExtractorConfig config)

Sets the MetExtractorConfig for the MetExtractor

Parameters:

config - The MetExtractorConfig

extractMetadata

Metadata extractMetadata(File f,
                         File configFile)
                         throws MetExtractionException

Extracts Metadata from the given File using the specified config file.

Parameters:

f - The File to extract Metadata from.

configFile - The config file for this MetExtractor.

Returns:

Extracted Metadata from the given File using the specified config file.

Throws:

MetExtractionException - If any error occurs.

extractMetadata

Metadata extractMetadata(File f,
                         String configFilePath)
                         throws MetExtractionException

Extracts Metadata from the given File using the specified config file path.

Parameters:

f - The File to extract Metadata from.

configFilePath - The path to the config file for this MetExtractor.

Returns:

Extracted Metadata from the given File using the specified config file path.

Throws:

MetExtractionException - If any error occurs.

extractMetadata

Metadata extractMetadata(File f,
                         MetExtractorConfig config)
                         throws MetExtractionException

Extracts Metadata from the given File using the specified MetExtractorConfig.

Parameters:

f - The File from which Metadata will be extracted from

config - The config file for the extractor

Returns:

Metadata extracted from the File

Throws:

MetExtractionException - If any error occurs

extractMetadata

Metadata extractMetadata(URL fileUrl,
                         MetExtractorConfig config)
                         throws MetExtractionException

Extracts Metadata from the given URL using the specified MetExtractorConfig.

Parameters:

fileUrl - The URL from which Metadata will be extracted from

config - The config file for the extractor

Returns:

Metadata extracted from the URL

Throws:

MetExtractionException - If any error occurs