adams.flow.transformer
Class AbstractMultiDecompress

java.lang.Object
  adams.core.ConsoleObject
      adams.core.option.AbstractOptionHandler
          adams.flow.core.AbstractActor
              adams.flow.transformer.AbstractTransformer
                  adams.flow.transformer.AbstractMultiDecompress

All Implemented Interfaces:

AdditionalInformationHandler, CleanUpHandler, Debuggable, DebugOutputHandler, Destroyable, OptionHandler, QuickInfoSupporter, ShallowCopySupporter<AbstractActor>, SizeOfHandler, Stoppable, VariableChangeListener, Actor, ErrorHandler, InputConsumer, OutputProducer, Serializable, Comparable

Direct Known Subclasses:

UnTar, UnZIP

public abstract class AbstractMultiDecompress
extends AbstractTransformer

Ancestor for compression schemes that manage archives with multiple files (incl directory structure) like zip archives.

Version:

$Revision: 6830 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

protected int	m_BufferSize the buffer size to use.
protected boolean	m_CreateDirectories whether to restore the directory structure.
protected boolean	m_InvertMatching invert matching sense.
protected PlaceholderDirectory	m_OutputDir the output directory.
protected BaseRegExp	m_RegExp the regular expression that the filenames must match to be extracted.

Fields inherited from class adams.flow.transformer.AbstractTransformer

BACKUP_INPUT, BACKUP_OUTPUT, m_InputToken, m_OutputToken

Fields inherited from class adams.flow.core.AbstractActor

m_Annotations, m_BackupState, m_DetectedObjectVariables, m_DetectedVariables, m_ErrorHandler, m_Executed, m_Executing, m_ExecutionListeningSupporter, m_FullName, m_Headless, m_Name, m_Parent, m_Root, m_ScopeHandler, m_Self, m_Skip, m_StopFlowOnError, m_StopMessage, m_Stopped, m_StorageHandler, m_VariablesUpdated

Fields inherited from class adams.core.option.AbstractOptionHandler

m_DebugLevel, m_OptionManager

Fields inherited from interface adams.flow.core.Actor

FILE_EXTENSION, FILE_EXTENSION_GZ

Constructor Summary

AbstractMultiDecompress()

Method Summary

Class[]	accepts() Returns the class that the consumer accepts.
String	bufferSizeTipText() Returns the tip text for this property.
String	createDirectoriesTipText() Returns the tip text for this property.
protected abstract List<File>	decompress(File inFile, StringBuilder result) Decompresses the archive.
void	defineOptions() Adds options to the internal list of options.
protected String	doExecute() Performs the actual transformation.
Class[]	generates() Returns the class of objects that it generates.
int	getBufferSize() Returns the buffer size for the stream.
boolean	getCreateDirectories() Returns whether to restore the directory structure from the archive.
boolean	getInvertMatching() Returns whether to invert the matching sense of the regular expression.
PlaceholderDirectory	getOutputDir() Returns the alternative output directory to use.
String	getQuickInfo() Returns a quick info about the actor, which will be displayed in the GUI.
BaseRegExp	getRegExp() Returns the regular expression that the filenames must match.
String	invertMatchingTipText() Returns the tip text for this property.
String	outputDirTipText() Returns the tip text for this property.
String	regExpTipText() Returns the tip text for this property.
void	setBufferSize(int value) Sets the buffer size for the stream.
void	setCreateDirectories(boolean value) Sets whether to restore the directory structure from the archive.
void	setInvertMatching(boolean value) Sets whether to invert the matching sense of the regular expression.
void	setOutputDir(PlaceholderDirectory value) Sets output directory to use.
void	setRegExp(BaseRegExp value) Sets the regular expression that the filenames must match.

Methods inherited from class adams.flow.transformer.AbstractTransformer

backupState, execute, hasPendingOutput, input, output, postExecute, reset, restoreState, wrapUp

Methods inherited from class adams.flow.core.AbstractActor

annotationsTipText, canInspectOptions, canPerformSetUpCheck, cleanUp, compareTo, debug, destroy, equals, findVariables, findVariables, findVariables, forceVariables, forCommandLine, forName, getAdditionalInformation, getAnnotations, getDefaultName, getDetectedVariables, getErrorHandler, getFlowActors, getFlowExecutionListeningSupporter, getFullName, getName, getNextSibling, getParent, getParentComponent, getPreviousSibling, getRoot, getScopeHandler, getSkip, getStopFlowOnError, getStopMessage, getStorageHandler, getVariables, handleError, handleException, hasErrorHandler, hasStopMessage, index, initialize, isBackedUp, isExecuted, isExecuting, isFinished, isHeadless, isStopped, nameTipText, performSetUpChecks, preExecute, pruneBackup, pruneBackup, setAnnotations, setErrorHandler, setHeadless, setName, setParent, setSkip, setStopFlowOnError, setUp, setVariables, shallowCopy, shallowCopy, sizeOf, skipTipText, stopExecution, stopExecution, stopFlowOnErrorTipText, updateDetectedVariables, updatePrefix, updateVariables, variableChanged

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, debug, debugLevelTipText, finishInit, getDebugLevel, getOptionManager, globalInfo, isDebugOn, newOptionManager, setDebugLevel, toCommandLine, toString

Methods inherited from class adams.core.ConsoleObject

getDebugging, getSystemErr, getSystemOut

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.flow.core.Actor

cleanUp, compareTo, debug, destroy, equals, findVariables, getAnnotations, getDefaultName, getDetectedVariables, getErrorHandler, getFlowExecutionListeningSupporter, getFullName, getName, getNextSibling, getParent, getParentComponent, getPreviousSibling, getRoot, getScopeHandler, getSkip, getStopFlowOnError, getStopMessage, getStorageHandler, getVariables, handleError, hasErrorHandler, hasStopMessage, index, isExecuted, isFinished, isHeadless, isStopped, setAnnotations, setErrorHandler, setHeadless, setName, setParent, setSkip, setStopFlowOnError, setUp, setVariables, sizeOf, stopExecution, stopExecution, variableChanged

Methods inherited from interface adams.core.AdditionalInformationHandler

getAdditionalInformation

Methods inherited from interface adams.core.option.OptionHandler

cleanUpOptions, getOptionManager

Field Detail

m_OutputDir

protected PlaceholderDirectory m_OutputDir

the output directory.

m_RegExp

protected BaseRegExp m_RegExp

the regular expression that the filenames must match to be extracted.

m_InvertMatching

protected boolean m_InvertMatching

invert matching sense.

m_CreateDirectories

protected boolean m_CreateDirectories

whether to restore the directory structure.

m_BufferSize

protected int m_BufferSize

the buffer size to use.

Constructor Detail

AbstractMultiDecompress

public AbstractMultiDecompress()

Method Detail

defineOptions

public void defineOptions()

Adds options to the internal list of options.

Specified by:

defineOptions in interface OptionHandler

Overrides:

defineOptions in class AbstractActor

setOutputDir

public void setOutputDir(PlaceholderDirectory value)

Sets output directory to use.

Parameters:

value - the directory

getOutputDir

public PlaceholderDirectory getOutputDir()

Returns the alternative output directory to use.

Returns:

the directory

outputDirTipText

public String outputDirTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setRegExp

public void setRegExp(BaseRegExp value)

Sets the regular expression that the filenames must match.

Parameters:

value - the regular expression

getRegExp

public BaseRegExp getRegExp()

Returns the regular expression that the filenames must match.

Returns:

the regular expression

regExpTipText

public String regExpTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setInvertMatching

public void setInvertMatching(boolean value)

Sets whether to invert the matching sense of the regular expression.

Parameters:

value - true if the matching sense is to be inverted

getInvertMatching

public boolean getInvertMatching()

Returns whether to invert the matching sense of the regular expression.

Returns:

true if the matching sense is to be inverted

invertMatchingTipText

public String invertMatchingTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setCreateDirectories

public void setCreateDirectories(boolean value)

Sets whether to restore the directory structure from the archive.

Parameters:

value - true if the directory structure is to be restored

getCreateDirectories

public boolean getCreateDirectories()

Returns whether to restore the directory structure from the archive.

Returns:

true if the directory structure will be restored

createDirectoriesTipText

public String createDirectoriesTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setBufferSize

public void setBufferSize(int value)

Sets the buffer size for the stream.

Parameters:

value - the size in bytes

getBufferSize

public int getBufferSize()

Returns the buffer size for the stream.

Returns:

the size in bytes

bufferSizeTipText

public String bufferSizeTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

getQuickInfo

public String getQuickInfo()

Returns a quick info about the actor, which will be displayed in the GUI.

Specified by:

getQuickInfo in interface QuickInfoSupporter

Specified by:

getQuickInfo in interface Actor

Overrides:

getQuickInfo in class AbstractActor

Returns:

null if no info available, otherwise short string

accepts

public Class[] accepts()

Returns the class that the consumer accepts.

Returns:

the accepted input

generates

public Class[] generates()

Returns the class of objects that it generates.

Returns:

the generated output

decompress

protected abstract List<File> decompress(File inFile,
                                         StringBuilder result)

Decompresses the archive.

Parameters:

inFile - the archive to decompress

result - for storing any error output

Returns:

the decompressed files (full paths)

doExecute

protected String doExecute()

Performs the actual transformation.

Specified by:

doExecute in class AbstractActor

Returns:

null if everything is fine, otherwise error message