org.nuxeo.binary.metadata.internals

Class ExifToolProcessor

java.lang.Object

org.nuxeo.binary.metadata.internals.ExifToolProcessor

All Implemented Interfaces:

BinaryMetadataProcessor

public class ExifToolProcessor
extends Object
implements BinaryMetadataProcessor

Since:

7.1

Field Summary

Fields

Modifier and Type	Field and Description
protected CommandLineExecutorService	commandLineService
protected org.codehaus.jackson.map.ObjectMapper	jacksonMapper
protected Pattern	VALID_EXT

Constructor Summary

Constructors

Constructor and Description
ExifToolProcessor()

Method Summary

Modifier and Type	Method and Description
protected List<String>	getCommandTags(List<String> metadataList)
protected List<String>	getCommandTags(Map<String,String> metadataMap)
protected Blob	getTemporaryBlob(Blob blob) Gets a new blob on a temporary file which is a copy of the blob's.
protected CloseableFile	getTemporaryFile(Blob blob) We don't want to rely on Blob.getCloseableFile() because it may return the original and we always want a temporary one to be sure we have a clean filename to pass.
protected void	parseDates(Map<String,Object> resultMap)
Map<String,Object>	readMetadata(Blob blob, boolean ignorePrefix) Read all metadata from a given blob.
Map<String,Object>	readMetadata(Blob blob, List<String> metadata, boolean ignorePrefix) Read from a given blob given metadata map.
protected Map<String,Object>	readMetadata(String command, Blob blob, List<String> metadata, boolean ignorePrefix)
protected Map<String,Object>	returnResultMap(ExecResult er)
Blob	writeMetadata(Blob blob, Map<String,String> metadata, boolean ignorePrefix) Write given metadata into given blob.

Methods inherited from class java.lang.Object

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

Field Detail

jacksonMapper

protected final org.codehaus.jackson.map.ObjectMapper jacksonMapper

commandLineService

protected final CommandLineExecutorService commandLineService

VALID_EXT

protected Pattern VALID_EXT

Constructor Detail

ExifToolProcessor

public ExifToolProcessor()

Method Detail

writeMetadata

public Blob writeMetadata(Blob blob,
                          Map<String,String> metadata,
                          boolean ignorePrefix)

Description copied from interface: BinaryMetadataProcessor

Write given metadata into given blob. Since 7.3 ignorePrefix is added.

Specified by:

writeMetadata in interface BinaryMetadataProcessor

Parameters:

blob - Blob to write.

metadata - Metadata to inject.

Returns:

the updated blob, or null if there was an error (since 7.4)

readMetadata

protected Map<String,Object> readMetadata(String command,
                                          Blob blob,
                                          List<String> metadata,
                                          boolean ignorePrefix)

readMetadata

public Map<String,Object> readMetadata(Blob blob,
                                       List<String> metadata,
                                       boolean ignorePrefix)

Description copied from interface: BinaryMetadataProcessor

Read from a given blob given metadata map. Since 7.3 ignorePrefix is added.

Specified by:

readMetadata in interface BinaryMetadataProcessor

Parameters:

blob - Blob to read.

metadata - Metadata to extract.

Returns:

Metadata map.

readMetadata

public Map<String,Object> readMetadata(Blob blob,
                                       boolean ignorePrefix)

Description copied from interface: BinaryMetadataProcessor

Read all metadata from a given blob. Since 7.3 ignorePrefix is added.

Specified by:

readMetadata in interface BinaryMetadataProcessor

Parameters:

blob - Blob to read.

Returns:

Metadata map.

returnResultMap

protected Map<String,Object> returnResultMap(ExecResult er)
                                      throws IOException

Throws:

IOException

parseDates

protected void parseDates(Map<String,Object> resultMap)

Since:

7.4

getCommandTags

protected List<String> getCommandTags(List<String> metadataList)

getCommandTags

protected List<String> getCommandTags(Map<String,String> metadataMap)

getTemporaryFile

protected CloseableFile getTemporaryFile(Blob blob)
                                  throws IOException

We don't want to rely on Blob.getCloseableFile() because it may return the original and we always want a temporary one to be sure we have a clean filename to pass.

Throws:

IOException

Since:

7.4

getTemporaryBlob

protected Blob getTemporaryBlob(Blob blob)
                         throws IOException

Gets a new blob on a temporary file which is a copy of the blob's.

Throws:

IOException

Since:

7.4