org.pentaho.di.trans.steps.xmlinput
Class XMLInputMeta

java.lang.Object
  org.pentaho.di.trans.step.BaseStepMeta
      org.pentaho.di.trans.steps.xmlinput.XMLInputMeta

All Implemented Interfaces:

Cloneable, StepAttributesInterface, StepMetaInterface

public class XMLInputMeta
extends BaseStepMeta
implements StepMetaInterface

Field Summary

Fields inherited from class org.pentaho.di.trans.step.BaseStepMeta

loggingObject, STEP_ATTRIBUTES_FILE

Constructor Summary

XMLInputMeta()

Method Summary

void	allocate(int nrfiles, int nrfields, int nrPositions)
void	check(List<CheckResultInterface> remarks, TransMeta transMeta, StepMeta stepinfo, RowMetaInterface prev, String[] input, String[] output, RowMetaInterface info) Checks the settings of this step and puts the findings in a remarks List.
Object	clone() Make an exact copy of this step, make sure to explicitly copy Collections etc.
String	exportResources(VariableSpace space, Map<String,ResourceDefinition> definitions, ResourceNamingInterface resourceNamingInterface, Repository repository) Since the exported transformation that runs this will reside in a ZIP file, we can't reference files relatively.
void	getFields(RowMetaInterface r, String name, RowMetaInterface[] info, StepMeta nextStep, VariableSpace space) Get the fields that are emitted by this step
String	getFileBaseURI()
String[]	getFileMask()
String[]	getFileName()
String	getFilenameField()
FileInputList	getFiles(VariableSpace space)
XMLInputField[]	getInputFields()
String[]	getInputPosition()
int	getNrRowsToSkip()
List<ResourceReference>	getResourceDependencies(TransMeta transMeta, StepMeta stepInfo) Get a list of all the resource dependencies that the step is depending on.
long	getRowLimit()
String	getRowNumberField()
StepInterface	getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta transMeta, Trans trans) Get the executing step, needed by Trans to launch a step.
StepDataInterface	getStepData() Get a new instance of the appropriate data class.
String	getXML() Produces the XML string that describes this step's information.
boolean	includeFilename()
boolean	includeRowNumber()
boolean	isIgnoreEntities()
boolean	isNamespaceAware()
void	loadXML(Node stepnode, List<DatabaseMeta> databases, Map<String,Counter> counters) Load the values for this step from an XML Node
void	readRep(Repository rep, ObjectId id_step, List<DatabaseMeta> databases, Map<String,Counter> counters) Read the steps information from a Kettle repository
void	saveRep(Repository rep, ObjectId id_transformation, ObjectId id_step) Save the steps data into a Kettle repository
void	setDefault() Set default values
void	setFileBaseURI(String fileBaseURI)
void	setFileMask(String[] fileMask)
void	setFileName(String[] fileName)
void	setFilenameField(String filenameField)
void	setIgnoreEntities(boolean ignoreEntities)
void	setIncludeFilename(boolean includeFilename)
void	setIncludeRowNumber(boolean includeRowNumber)
void	setInputFields(XMLInputField[] inputFields)
void	setInputPosition(String[] inputPosition)
void	setNamespaceAware(boolean namespaceAware)
void	setNrRowsToSkip(int nrRowsToSkip)
void	setRowLimit(long rowLimit)
void	setRowNumberField(String rowNumberField)

Methods inherited from class org.pentaho.di.trans.step.BaseStepMeta

analyseImpact, cancelQueries, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, findAttribute, findParent, getDescription, getDialogClassName, getLog, getLogChannelId, getName, getObjectCopy, getObjectId, getObjectRevision, getObjectType, getOptionalStreams, getParent, getParentStepMeta, getRepCode, getRepositoryDirectory, getRequiredFields, getRequiredFields, getSQLStatements, getStepInjectionMetadataEntries, getStepIOMeta, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getTooltip, getUsedArguments, getUsedDatabaseConnections, getUsedLibraries, getXmlCode, handleStreamSelection, hasChanged, hasRepositoryReferences, isBasic, isDebug, isDetailed, isRowLevel, logBasic, logBasic, logDebug, logDebug, logDetailed, logDetailed, logError, logError, logError, logMinimal, logMinimal, logRowlevel, logRowlevel, lookupRepositoryReferences, resetStepIoMeta, searchInfoAndTargetSteps, setChanged, setChanged, setParentStepMeta, supportsErrorHandling

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pentaho.di.trans.step.StepMetaInterface

analyseImpact, cancelQueries, excludeFromCopyDistributeVerification, excludeFromRowLayoutVerification, getDialogClassName, getOptionalStreams, getParentStepMeta, getRequiredFields, getSQLStatements, getStepIOMeta, getStepMetaInjectionInterface, getSupportedTransformationTypes, getTableFields, getUsedArguments, getUsedDatabaseConnections, getUsedLibraries, handleStreamSelection, hasRepositoryReferences, lookupRepositoryReferences, resetStepIoMeta, searchInfoAndTargetSteps, setParentStepMeta, supportsErrorHandling

Constructor Detail

XMLInputMeta

public XMLInputMeta()

Method Detail

getInputFields

public XMLInputField[] getInputFields()

Returns:

Returns the input fields.

setInputFields

public void setInputFields(XMLInputField[] inputFields)

Parameters:

inputFields - The input fields to set.

getFileMask

public String[] getFileMask()

Returns:

Returns the fileMask.

setFileMask

public void setFileMask(String[] fileMask)

Parameters:

fileMask - The fileMask to set.

getFileName

public String[] getFileName()

Returns:

Returns the fileName.

setFileName

public void setFileName(String[] fileName)

Parameters:

fileName - The fileName to set.

getFilenameField

public String getFilenameField()

Returns:

Returns the filenameField.

setFilenameField

public void setFilenameField(String filenameField)

Parameters:

filenameField - The filenameField to set.

includeFilename

public boolean includeFilename()

Returns:

Returns the includeFilename.

setIncludeFilename

public void setIncludeFilename(boolean includeFilename)

Parameters:

includeFilename - The includeFilename to set.

includeRowNumber

public boolean includeRowNumber()

Returns:

Returns the includeRowNumber.

setIncludeRowNumber

public void setIncludeRowNumber(boolean includeRowNumber)

Parameters:

includeRowNumber - The includeRowNumber to set.

getRowLimit

public long getRowLimit()

Returns:

Returns the rowLimit.

setRowLimit

public void setRowLimit(long rowLimit)

Parameters:

rowLimit - The rowLimit to set.

getNrRowsToSkip

public int getNrRowsToSkip()

Returns:

Returns the nrRowsToSkip.

setNrRowsToSkip

public void setNrRowsToSkip(int nrRowsToSkip)

Parameters:

nrRowsToSkip - The nrRowsToSkip to set.

getRowNumberField

public String getRowNumberField()

Returns:

Returns the rowNumberField.

setRowNumberField

public void setRowNumberField(String rowNumberField)

Parameters:

rowNumberField - The rowNumberField to set.

loadXML

public void loadXML(Node stepnode,
                    List<DatabaseMeta> databases,
                    Map<String,Counter> counters)
             throws KettleXMLException

Description copied from interface: StepMetaInterface

Load the values for this step from an XML Node

Specified by:

loadXML in interface StepMetaInterface

Parameters:

stepnode - the Node to get the info from

databases - The available list of databases to reference to

counters - Counters to reference.

Throws:

KettleXMLException - When an unexpected XML error occurred. (malformed etc.)

clone

public Object clone()

Description copied from interface: StepMetaInterface

Make an exact copy of this step, make sure to explicitly copy Collections etc.

Specified by:

clone in interface StepMetaInterface

Overrides:

clone in class BaseStepMeta

Returns:

an exact copy of this step

getXML

public String getXML()

Description copied from class: BaseStepMeta

Produces the XML string that describes this step's information.

Specified by:

getXML in interface StepMetaInterface

Overrides:

getXML in class BaseStepMeta

Returns:

String containing the XML describing this step.

allocate

public void allocate(int nrfiles,
                     int nrfields,
                     int nrPositions)

setDefault

public void setDefault()

Description copied from interface: StepMetaInterface

Set default values

Specified by:

setDefault in interface StepMetaInterface

getFields

public void getFields(RowMetaInterface r,
                      String name,
                      RowMetaInterface[] info,
                      StepMeta nextStep,
                      VariableSpace space)

Description copied from interface: StepMetaInterface

Get the fields that are emitted by this step

Specified by:

getFields in interface StepMetaInterface

Overrides:

getFields in class BaseStepMeta

Parameters:

r - The fields that are entering the step. These are changed to reflect the output metadata.

name - The name of the step to be used as origin

info - The input rows metadata that enters the step through the specified channels in the same order as in method getInfoSteps(). The step metadata can then choose what to do with it: ignore it or not. Interesting is also that in case of database lookups, the layout of the target database table is put in info[0]

nextStep - if this is a non-null value, it's the next step in the transformation. The one who's asking, the step where the data is targetted towards.

space - TODO

readRep

public void readRep(Repository rep,
                    ObjectId id_step,
                    List<DatabaseMeta> databases,
                    Map<String,Counter> counters)
             throws KettleException

Description copied from interface: StepMetaInterface

Read the steps information from a Kettle repository

Specified by:

readRep in interface StepMetaInterface

Parameters:

rep - The repository to read from

id_step - The step ID

databases - The databases to reference

counters - The counters to reference

Throws:

KettleException - When an unexpected error occurred (database, network, etc)

saveRep

public void saveRep(Repository rep,
                    ObjectId id_transformation,
                    ObjectId id_step)
             throws KettleException

Description copied from interface: StepMetaInterface

Save the steps data into a Kettle repository

Specified by:

saveRep in interface StepMetaInterface

Parameters:

rep - The Kettle repository to save to

id_transformation - The transformation ID

id_step - The step ID

Throws:

KettleException - When an unexpected error occurred (database, network, etc)

getFiles

public FileInputList getFiles(VariableSpace space)

check

public void check(List<CheckResultInterface> remarks,
                  TransMeta transMeta,
                  StepMeta stepinfo,
                  RowMetaInterface prev,
                  String[] input,
                  String[] output,
                  RowMetaInterface info)

Description copied from interface: StepMetaInterface

Checks the settings of this step and puts the findings in a remarks List.

Specified by:

check in interface StepMetaInterface

Parameters:

remarks - The list to put the remarks in @see org.pentaho.di.core.CheckResult

stepinfo - The stepMeta to help checking

prev - The fields coming from the previous step

input - The input step names

output - The output step names

info - The fields that are used as information by the step

getStep

public StepInterface getStep(StepMeta stepMeta,
                             StepDataInterface stepDataInterface,
                             int cnr,
                             TransMeta transMeta,
                             Trans trans)

Description copied from interface: StepMetaInterface

Get the executing step, needed by Trans to launch a step.

Specified by:

getStep in interface StepMetaInterface

Parameters:

stepMeta - The step info

stepDataInterface - the step data interface linked to this step. Here the step can store temporary data, database connections, etc.

cnr - The copy nr to get

transMeta - The transformation info

trans - The launching transformation

getStepData

public StepDataInterface getStepData()

Description copied from interface: StepMetaInterface

Get a new instance of the appropriate data class. This data class implements the StepDataInterface. It basically contains the persisting data that needs to live on, even if a worker thread is terminated.

Specified by:

getStepData in interface StepMetaInterface

Returns:

The appropriate StepDataInterface class.

getInputPosition

public String[] getInputPosition()

Returns:

Returns the inputPosition.

getResourceDependencies

public List<ResourceReference> getResourceDependencies(TransMeta transMeta,
                                                       StepMeta stepInfo)

Description copied from class: BaseStepMeta

Get a list of all the resource dependencies that the step is depending on.

Specified by:

getResourceDependencies in interface StepMetaInterface

Overrides:

getResourceDependencies in class BaseStepMeta

Returns:

a list of all the resource dependencies that the step is depending on

setInputPosition

public void setInputPosition(String[] inputPosition)

Parameters:

inputPosition - The inputPosition to set.

getFileBaseURI

public String getFileBaseURI()

Returns:

Provide a base for resolving relative URIs

setFileBaseURI

public void setFileBaseURI(String fileBaseURI)

Parameters:

fileBaseURI - Provide a base for resolving relative URIs

isIgnoreEntities

public boolean isIgnoreEntities()

Returns:

Ignores external entities and returns an empty dummy e.g. for missing DTDs

setIgnoreEntities

public void setIgnoreEntities(boolean ignoreEntities)

Parameters:

ignoreEntities - Ignores external entities and returns an empty dummy e.g. for missing DTDs

isNamespaceAware

public boolean isNamespaceAware()

Returns:

support XML namespaces

setNamespaceAware

public void setNamespaceAware(boolean namespaceAware)

Parameters:

namespaceAware - support XML namespaces

exportResources

public String exportResources(VariableSpace space,
                              Map<String,ResourceDefinition> definitions,
                              ResourceNamingInterface resourceNamingInterface,
                              Repository repository)
                       throws KettleException

Since the exported transformation that runs this will reside in a ZIP file, we can't reference files relatively. So what this does is turn the name of files into absolute paths OR it simply includes the resource in the ZIP file. For now, we'll simply turn it into an absolute path and pray that the file is on a shared drive or something like that. TODO: create options to configure this behavior

Specified by:

exportResources in interface StepMetaInterface

Overrides:

exportResources in class BaseStepMeta

Parameters:

space - the variable space to use

repository - The repository to optionally load other resources from (to be converted to XML)

Returns:

the filename of the exported resource

Throws:

KettleException