Package org.nuxeo.ecm.platform.convert.plugins

Class CommandLineBasedConverter

java.lang.Object

org.nuxeo.ecm.platform.convert.plugins.CommandLineBasedConverter

All Implemented Interfaces:

Converter, ExternalConverter

Direct Known Subclasses:

BaseVideoConversionConverter, CommandLineConverter, Image2PDFConverter, PDF2HtmlConverter, PDF2ImageConverter, WordPerfect2TextConverter

public abstract class CommandLineBasedConverter
extends Object
implements ExternalConverter

Base class to implement Converter based on CommandLineExecutorService.

Author:

tiry

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	CommandLineBasedConverter.CmdReturn

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	CMD_NAME_PARAMETER
protected Map<String,String>	initParameters
protected static final String	TMP_PATH_PARAMETER

Constructor Summary

Constructors

Constructor	Description
CommandLineBasedConverter()

Method Summary

Modifier and Type	Method	Description
protected abstract BlobHolder	buildResult(List<String> cmdOutput, CmdParameters cmdParams)	Builds result from commandLine output buffer.
BlobHolder	convert(BlobHolder blobHolder, Map<String,Serializable> parameters)	Main method to handle the real Conversion Job.
protected CommandLineBasedConverter.CmdReturn	execOnBlob(String commandName, Map<String,Blob> blobParameters, Map<String,String> parameters)
protected abstract Map<String,Blob>	getCmdBlobParameters(BlobHolder blobHolder, Map<String,Serializable> parameters)	Extracts BlobParameters.
protected abstract Map<String,String>	getCmdStringParameters(BlobHolder blobHolder, Map<String,Serializable> parameters)	Extracts String parameters.
protected String	getCommandName(BlobHolder blobHolder, Map<String,Serializable> parameters)
String	getTmpDirectory(Map<String,Serializable> parameters)
void	init(ConverterDescriptor descriptor)	Initializes the Converter.
ConverterCheckResult	isConverterAvailable()	Checks if the converter is available.

Methods inherited from class java.lang.Object

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

Field Details

CMD_NAME_PARAMETER

protected static final String CMD_NAME_PARAMETER

See Also:

• Constant Field Values

TMP_PATH_PARAMETER

protected static final String TMP_PATH_PARAMETER

See Also:

• Constant Field Values

initParameters

protected Map<String,String> initParameters

Constructor Details

CommandLineBasedConverter

public CommandLineBasedConverter()

Method Details

getTmpDirectory

public String getTmpDirectory(Map<String,Serializable> parameters)

convert

public BlobHolder convert(BlobHolder blobHolder,
 Map<String,Serializable> parameters)
                   throws ConversionException

Description copied from interface: Converter

Main method to handle the real Conversion Job.

Returned BlobHolder must implement CachableBlobHolder, otherwise result won't be cached.

Specified by:

convert in interface Converter

Throws:

ConversionException

getCommandName

protected String getCommandName(BlobHolder blobHolder,
 Map<String,Serializable> parameters)

getCmdBlobParameters

protected abstract Map<String,Blob> getCmdBlobParameters(BlobHolder blobHolder,
 Map<String,Serializable> parameters)
                                                  throws ConversionException

Extracts BlobParameters.

Throws:

ConversionException

getCmdStringParameters

protected abstract Map<String,String> getCmdStringParameters(BlobHolder blobHolder,
 Map<String,Serializable> parameters)
                                                      throws ConversionException

Extracts String parameters.

Throws:

ConversionException

buildResult

protected abstract BlobHolder buildResult(List<String> cmdOutput,
 CmdParameters cmdParams)
                                   throws ConversionException

Builds result from commandLine output buffer.

Throws:

ConversionException

execOnBlob

protected CommandLineBasedConverter.CmdReturn execOnBlob(String commandName,
 Map<String,Blob> blobParameters,
 Map<String,String> parameters)
                                                  throws ConversionException

Throws:

ConversionException

init

public void init(ConverterDescriptor descriptor)

Description copied from interface: Converter

Initializes the Converter.

This can be used to retrieve some configuration information from the XMap Descriptor.

Specified by:

init in interface Converter

isConverterAvailable

public ConverterCheckResult isConverterAvailable()

Description copied from interface: ExternalConverter

Checks if the converter is available.

Specified by:

isConverterAvailable in interface ExternalConverter