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/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2017 by Hitachi Vantara : http://www.pentaho.com
*
*******************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
package org.pentaho.di.trans.steps.yamlinput;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.vfs2.FileObject;
import org.pentaho.di.core.CheckResult;
import org.pentaho.di.core.CheckResultInterface;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.util.Utils;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.exception.KettlePluginException;
import org.pentaho.di.core.exception.KettleStepException;
import org.pentaho.di.core.exception.KettleXMLException;
import org.pentaho.di.core.fileinput.FileInputList;
import org.pentaho.di.core.row.RowMetaInterface;
import org.pentaho.di.core.row.ValueMetaInterface;
import org.pentaho.di.core.row.value.ValueMetaFactory;
import org.pentaho.di.core.row.value.ValueMetaInteger;
import org.pentaho.di.core.row.value.ValueMetaString;
import org.pentaho.di.core.variables.VariableSpace;
import org.pentaho.di.core.xml.XMLHandler;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.repository.ObjectId;
import org.pentaho.di.repository.Repository;
import org.pentaho.di.resource.ResourceDefinition;
import org.pentaho.di.resource.ResourceNamingInterface;
import org.pentaho.di.trans.Trans;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.BaseStepMeta;
import org.pentaho.di.trans.step.StepDataInterface;
import org.pentaho.di.trans.step.StepInterface;
import org.pentaho.di.trans.step.StepMeta;
import org.pentaho.di.trans.step.StepMetaInterface;
import org.pentaho.metastore.api.IMetaStore;
import org.w3c.dom.Node;
/**
* Store run-time data on the YamlInput step.
*/
public class YamlInputMeta extends BaseStepMeta implements StepMetaInterface {
private static Class PKG = YamlInputMeta.class; // for i18n purposes, needed by Translator2!!
private static final String YES = "Y";
public static final String[] RequiredFilesDesc = new String[] {
BaseMessages.getString( PKG, "System.Combo.No" ), BaseMessages.getString( PKG, "System.Combo.Yes" ) };
public static final String[] RequiredFilesCode = new String[] { "N", "Y" };
/** Array of filenames */
private String[] fileName;
/** Wildcard or filemask (regular expression) */
private String[] fileMask;
/** Array of boolean values as string, indicating if a file is required. */
private String[] fileRequired;
/** Flag indicating that we should include the filename in the output */
private boolean includeFilename;
/** The name of the field in the output containing the filename */
private String filenameField;
/** Flag indicating that a row number field should be included in the output */
private boolean includeRowNumber;
/** The name of the field in the output containing the row number */
private String rowNumberField;
/** The maximum number or lines to read */
private long rowLimit;
/** The fields to import... */
private YamlInputField[] inputFields;
/** The encoding to use for reading: null or empty string means system default encoding */
private String encoding;
/** Is In fields */
private String yamlField;
/** Is In fields */
private boolean inFields;
/** Is a File */
private boolean IsAFile;
/** Flag: add result filename **/
private boolean addResultFile;
/** Flag: set XML Validating **/
private boolean validating;
/** Flag : do we ignore empty files */
private boolean IsIgnoreEmptyFile;
/** Array of boolean values as string, indicating if we need to fetch sub folders. */
private String[] includeSubFolders;
/** Flag : do not fail if no file */
private boolean doNotFailIfNoFile;
public YamlInputMeta() {
super(); // allocate BaseStepMeta
}
/**
* @return the add result filesname flag
*/
public boolean addResultFile() {
return addResultFile;
}
/**
* @return the validating flag
*/
public boolean isValidating() {
return validating;
}
/**
* @param validating
* the validating flag to set
*/
public void setValidating( boolean validating ) {
this.validating = validating;
}
public void setAddResultFile( boolean addResultFile ) {
this.addResultFile = addResultFile;
}
/**
* @return Returns the input fields.
*/
public YamlInputField[] getInputFields() {
return inputFields;
}
/**
* @param inputFields
* The input fields to set.
*/
public void setInputFields( YamlInputField[] inputFields ) {
this.inputFields = inputFields;
}
/**
* Get XML field.
*/
public String getYamlField() {
return yamlField;
}
/**
* Set XML field.
*/
public void setYamlField( String yamlField ) {
this.yamlField = yamlField;
}
/**
* Get the IsInFields.
*/
public boolean isInFields() {
return inFields;
}
/**
* @param inFields
* set the inFields.
*/
public void setInFields( boolean inFields ) {
this.inFields = inFields;
}
/**
* @return Returns the fileMask.
*/
public String[] getFileMask() {
return fileMask;
}
/**
* @param fileMask
* The fileMask to set.
*/
public void setFileMask( String[] fileMask ) {
this.fileMask = fileMask;
}
public String[] getFileRequired() {
return fileRequired;
}
public void setFileRequired( String[] fileRequiredin ) {
for ( int i = 0; i < fileRequiredin.length; i++ ) {
this.fileRequired[i] = getRequiredFilesCode( fileRequiredin[i] );
}
}
public void setIncludeSubFolders( String[] includeSubFoldersin ) {
for ( int i = 0; i < includeSubFoldersin.length; i++ ) {
this.includeSubFolders[i] = getRequiredFilesCode( includeSubFoldersin[i] );
}
}
/**
* @return Returns the fileName.
*/
public String[] getFileName() {
return fileName;
}
/**
* @param fileName
* The fileName to set.
*/
public void setFileName( String[] fileName ) {
this.fileName = fileName;
}
/**
* @return Returns the filenameField.
*/
public String getFilenameField() {
return filenameField;
}
/**
* @param filenameField
* The filenameField to set.
*/
public void setFilenameField( String filenameField ) {
this.filenameField = filenameField;
}
/**
* @return Returns the includeFilename.
*/
public boolean includeFilename() {
return includeFilename;
}
/**
* @param includeFilename
* The includeFilename to set.
*/
public void setIncludeFilename( boolean includeFilename ) {
this.includeFilename = includeFilename;
}
/**
* @return Returns the includeRowNumber.
*/
public boolean includeRowNumber() {
return includeRowNumber;
}
/**
* @param includeRowNumber
* The includeRowNumber to set.
*/
public void setIncludeRowNumber( boolean includeRowNumber ) {
this.includeRowNumber = includeRowNumber;
}
/**
* @return Returns the rowLimit.
*/
public long getRowLimit() {
return rowLimit;
}
/**
* @param rowLimit
* The rowLimit to set.
*/
public void setRowLimit( long rowLimit ) {
this.rowLimit = rowLimit;
}
/**
* @return the IsIgnoreEmptyFile flag
*/
public boolean isIgnoreEmptyFile() {
return IsIgnoreEmptyFile;
}
/**
* @param IsIgnoreEmptyFile
* the IsIgnoreEmptyFile to set
*/
public void setIgnoreEmptyFile( boolean IsIgnoreEmptyFile ) {
this.IsIgnoreEmptyFile = IsIgnoreEmptyFile;
}
/**
* @return the doNotFailIfNoFile flag
*/
public boolean isdoNotFailIfNoFile() {
return doNotFailIfNoFile;
}
/**
* @param doNotFailIfNoFile
* the doNotFailIfNoFile to set
*/
public void setdoNotFailIfNoFile( boolean doNotFailIfNoFile ) {
this.doNotFailIfNoFile = doNotFailIfNoFile;
}
/**
* @return Returns the rowNumberField.
*/
public String getRowNumberField() {
return rowNumberField;
}
/**
* @param rowNumberField
* The rowNumberField to set.
*/
public void setRowNumberField( String rowNumberField ) {
this.rowNumberField = rowNumberField;
}
/**
* @return the encoding
*/
public String getEncoding() {
return encoding;
}
/**
* @param encoding
* the encoding to set
*/
public void setEncoding( String encoding ) {
this.encoding = encoding;
}
public boolean getIsAFile() {
return IsAFile;
}
public void setIsAFile( boolean IsAFile ) {
this.IsAFile = IsAFile;
}
public String[] getIncludeSubFolders() {
return includeSubFolders;
}
@Override
public void loadXML( Node stepnode, List databases, IMetaStore metaStore ) throws KettleXMLException {
readData( stepnode );
}
@Override
public Object clone() {
YamlInputMeta retval = (YamlInputMeta) super.clone();
int nrFiles = fileName.length;
int nrFields = inputFields.length;
retval.allocate( nrFiles, nrFields );
System.arraycopy( fileName, 0, retval.fileName, 0, nrFiles );
System.arraycopy( fileMask, 0, retval.fileMask, 0, nrFiles );
System.arraycopy( fileRequired, 0, retval.fileRequired, 0, nrFiles );
System.arraycopy( includeSubFolders, 0, retval.includeSubFolders, 0, nrFiles );
for ( int i = 0; i < nrFields; i++ ) {
if ( inputFields[i] != null ) {
retval.inputFields[i] = (YamlInputField) inputFields[i].clone();
}
}
return retval;
}
@Override
public String getXML() {
StringBuilder retval = new StringBuilder( 400 );
retval.append( " " ).append( XMLHandler.addTagValue( "include", includeFilename ) );
retval.append( " " ).append( XMLHandler.addTagValue( "include_field", filenameField ) );
retval.append( " " ).append( XMLHandler.addTagValue( "rownum", includeRowNumber ) );
retval.append( " " ).append( XMLHandler.addTagValue( "addresultfile", addResultFile ) );
retval.append( " " ).append( XMLHandler.addTagValue( "validating", validating ) );
retval.append( " " + XMLHandler.addTagValue( "IsIgnoreEmptyFile", IsIgnoreEmptyFile ) );
retval.append( " " + XMLHandler.addTagValue( "doNotFailIfNoFile", doNotFailIfNoFile ) );
retval.append( " " ).append( XMLHandler.addTagValue( "rownum_field", rowNumberField ) );
retval.append( " " ).append( XMLHandler.addTagValue( "encoding", encoding ) );
retval.append( " " ).append( Const.CR );
for ( int i = 0; i < fileName.length; i++ ) {
retval.append( " " ).append( XMLHandler.addTagValue( "name", fileName[i] ) );
retval.append( " " ).append( XMLHandler.addTagValue( "filemask", fileMask[i] ) );
retval.append( " " ).append( XMLHandler.addTagValue( "file_required", fileRequired[i] ) );
retval.append( " " ).append( XMLHandler.addTagValue( "include_subfolders", includeSubFolders[i] ) );
}
retval.append( " " ).append( Const.CR );
retval.append( " " ).append( Const.CR );
for ( int i = 0; i < inputFields.length; i++ ) {
YamlInputField field = inputFields[i];
retval.append( field.getXML() );
}
retval.append( " " ).append( Const.CR );
retval.append( " " ).append( XMLHandler.addTagValue( "limit", rowLimit ) );
retval.append( " " ).append( XMLHandler.addTagValue( "IsInFields", inFields ) );
retval.append( " " ).append( XMLHandler.addTagValue( "IsAFile", IsAFile ) );
retval.append( " " ).append( XMLHandler.addTagValue( "YamlField", yamlField ) );
return retval.toString();
}
public String getRequiredFilesDesc( String tt ) {
if ( Utils.isEmpty( tt ) ) {
return RequiredFilesDesc[0];
}
if ( tt.equalsIgnoreCase( RequiredFilesCode[1] ) ) {
return RequiredFilesDesc[1];
} else {
return RequiredFilesDesc[0];
}
}
public String getRequiredFilesCode( String tt ) {
if ( tt == null ) {
return RequiredFilesCode[0];
}
if ( tt.equals( RequiredFilesDesc[1] ) ) {
return RequiredFilesCode[1];
} else {
return RequiredFilesCode[0];
}
}
private void readData( Node stepnode ) throws KettleXMLException {
try {
includeFilename = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "include" ) );
filenameField = XMLHandler.getTagValue( stepnode, "include_field" );
addResultFile = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "addresultfile" ) );
validating = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "validating" ) );
IsIgnoreEmptyFile = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "IsIgnoreEmptyFile" ) );
doNotFailIfNoFile = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "doNotFailIfNoFile" ) );
includeRowNumber = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "rownum" ) );
rowNumberField = XMLHandler.getTagValue( stepnode, "rownum_field" );
encoding = XMLHandler.getTagValue( stepnode, "encoding" );
Node filenode = XMLHandler.getSubNode( stepnode, "file" );
Node fields = XMLHandler.getSubNode( stepnode, "fields" );
int nrFiles = XMLHandler.countNodes( filenode, "name" );
int nrFields = XMLHandler.countNodes( fields, "field" );
allocate( nrFiles, nrFields );
for ( int i = 0; i < nrFiles; i++ ) {
Node filenamenode = XMLHandler.getSubNodeByNr( filenode, "name", i );
Node filemasknode = XMLHandler.getSubNodeByNr( filenode, "filemask", i );
Node fileRequirednode = XMLHandler.getSubNodeByNr( filenode, "file_required", i );
Node includeSubFoldersnode = XMLHandler.getSubNodeByNr( filenode, "include_subfolders", i );
fileName[i] = XMLHandler.getNodeValue( filenamenode );
fileMask[i] = XMLHandler.getNodeValue( filemasknode );
fileRequired[i] = XMLHandler.getNodeValue( fileRequirednode );
includeSubFolders[i] = XMLHandler.getNodeValue( includeSubFoldersnode );
}
for ( int i = 0; i < nrFields; i++ ) {
Node fnode = XMLHandler.getSubNodeByNr( fields, "field", i );
YamlInputField field = new YamlInputField( fnode );
inputFields[i] = field;
}
// Is there a limit on the number of rows we process?
rowLimit = Const.toLong( XMLHandler.getTagValue( stepnode, "limit" ), 0L );
inFields = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "IsInFields" ) );
IsAFile = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "IsAFile" ) );
yamlField = XMLHandler.getTagValue( stepnode, "YamlField" );
} catch ( Exception e ) {
throw new KettleXMLException( BaseMessages.getString( PKG, "YamlInputMeta.Exception.ErrorLoadingXML", e
.toString() ) );
}
}
public void allocate( int nrfiles, int nrfields ) {
fileName = new String[nrfiles];
fileMask = new String[nrfiles];
fileRequired = new String[nrfiles];
includeSubFolders = new String[nrfiles];
inputFields = new YamlInputField[nrfields];
}
@Override
public void setDefault() {
IsIgnoreEmptyFile = false;
doNotFailIfNoFile = true;
includeFilename = false;
filenameField = "";
includeRowNumber = false;
rowNumberField = "";
IsAFile = false;
addResultFile = false;
validating = false;
int nrFiles = 0;
int nrFields = 0;
allocate( nrFiles, nrFields );
for ( int i = 0; i < nrFiles; i++ ) {
fileName[i] = "filename" + ( i + 1 );
fileMask[i] = "";
fileRequired[i] = RequiredFilesCode[0];
includeSubFolders[i] = RequiredFilesCode[0];
}
for ( int i = 0; i < nrFields; i++ ) {
inputFields[i] = new YamlInputField( "field" + ( i + 1 ) );
}
rowLimit = 0;
inFields = false;
yamlField = "";
}
@Override
public void getFields( RowMetaInterface r, String name, RowMetaInterface[] info, StepMeta nextStep,
VariableSpace space, Repository repository, IMetaStore metaStore ) throws KettleStepException {
int i;
for ( i = 0; i < inputFields.length; i++ ) {
YamlInputField field = inputFields[i];
int type = field.getType();
if ( type == ValueMetaInterface.TYPE_NONE ) {
type = ValueMetaInterface.TYPE_STRING;
}
String valueName = space.environmentSubstitute( field.getName() );
ValueMetaInterface v;
try {
v = ValueMetaFactory.createValueMeta( valueName, type );
} catch ( KettlePluginException e ) {
v = new ValueMetaString( valueName );
}
v.setLength( field.getLength() );
v.setPrecision( field.getPrecision() );
v.setOrigin( name );
v.setConversionMask( field.getFormat() );
v.setDecimalSymbol( field.getDecimalSymbol() );
v.setGroupingSymbol( field.getGroupSymbol() );
v.setCurrencySymbol( field.getCurrencySymbol() );
r.addValueMeta( v );
}
if ( includeFilename ) {
ValueMetaInterface v = new ValueMetaString( space.environmentSubstitute( filenameField ) );
v.setLength( 250 );
v.setPrecision( -1 );
v.setOrigin( name );
r.addValueMeta( v );
}
if ( includeRowNumber ) {
ValueMetaInterface v = new ValueMetaInteger( space.environmentSubstitute( rowNumberField ) );
v.setLength( ValueMetaInterface.DEFAULT_INTEGER_LENGTH, 0 );
v.setOrigin( name );
r.addValueMeta( v );
}
}
@Override
public void readRep( Repository rep, IMetaStore metaStore, ObjectId id_step, List databases ) throws KettleException {
try {
includeFilename = rep.getStepAttributeBoolean( id_step, "include" );
filenameField = rep.getStepAttributeString( id_step, "include_field" );
addResultFile = rep.getStepAttributeBoolean( id_step, "addresultfile" );
validating = rep.getStepAttributeBoolean( id_step, "validating" );
IsIgnoreEmptyFile = rep.getStepAttributeBoolean( id_step, "IsIgnoreEmptyFile" );
doNotFailIfNoFile = rep.getStepAttributeBoolean( id_step, "doNotFailIfNoFile" );
includeRowNumber = rep.getStepAttributeBoolean( id_step, "rownum" );
rowNumberField = rep.getStepAttributeString( id_step, "rownum_field" );
rowLimit = rep.getStepAttributeInteger( id_step, "limit" );
encoding = rep.getStepAttributeString( id_step, "encoding" );
int nrFiles = rep.countNrStepAttributes( id_step, "file_name" );
int nrFields = rep.countNrStepAttributes( id_step, "field_name" );
allocate( nrFiles, nrFields );
for ( int i = 0; i < nrFiles; i++ ) {
fileName[i] = rep.getStepAttributeString( id_step, i, "file_name" );
fileMask[i] = rep.getStepAttributeString( id_step, i, "file_mask" );
fileRequired[i] = rep.getStepAttributeString( id_step, i, "file_required" );
includeSubFolders[i] = rep.getStepAttributeString( id_step, i, "include_subfolders" );
}
for ( int i = 0; i < nrFields; i++ ) {
YamlInputField field = new YamlInputField();
field.setName( rep.getStepAttributeString( id_step, i, "field_name" ) );
field.setPath( rep.getStepAttributeString( id_step, i, "field_path" ) );
field.setType( ValueMetaFactory.getIdForValueMeta( rep.getStepAttributeString( id_step, i, "field_type" ) ) );
field.setFormat( rep.getStepAttributeString( id_step, i, "field_format" ) );
field.setCurrencySymbol( rep.getStepAttributeString( id_step, i, "field_currency" ) );
field.setDecimalSymbol( rep.getStepAttributeString( id_step, i, "field_decimal" ) );
field.setGroupSymbol( rep.getStepAttributeString( id_step, i, "field_group" ) );
field.setLength( (int) rep.getStepAttributeInteger( id_step, i, "field_length" ) );
field.setPrecision( (int) rep.getStepAttributeInteger( id_step, i, "field_precision" ) );
field.setTrimType( YamlInputField.getTrimTypeByCode( rep.getStepAttributeString(
id_step, i, "field_trim_type" ) ) );
inputFields[i] = field;
}
inFields = rep.getStepAttributeBoolean( id_step, "IsInFields" );
IsAFile = rep.getStepAttributeBoolean( id_step, "IsAFile" );
yamlField = rep.getStepAttributeString( id_step, "YamlField" );
} catch ( Exception e ) {
throw new KettleException(
BaseMessages.getString( PKG, "YamlInputMeta.Exception.ErrorReadingRepository" ), e );
}
}
@Override
public void saveRep( Repository rep, IMetaStore metaStore, ObjectId id_transformation, ObjectId id_step ) throws KettleException {
try {
rep.saveStepAttribute( id_transformation, id_step, "include", includeFilename );
rep.saveStepAttribute( id_transformation, id_step, "include_field", filenameField );
rep.saveStepAttribute( id_transformation, id_step, "addresultfile", addResultFile );
rep.saveStepAttribute( id_transformation, id_step, "validating", validating );
rep.saveStepAttribute( id_transformation, id_step, "IsIgnoreEmptyFile", IsIgnoreEmptyFile );
rep.saveStepAttribute( id_transformation, id_step, "doNotFailIfNoFile", doNotFailIfNoFile );
rep.saveStepAttribute( id_transformation, id_step, "rownum", includeRowNumber );
rep.saveStepAttribute( id_transformation, id_step, "rownum_field", rowNumberField );
rep.saveStepAttribute( id_transformation, id_step, "limit", rowLimit );
rep.saveStepAttribute( id_transformation, id_step, "encoding", encoding );
for ( int i = 0; i < fileName.length; i++ ) {
rep.saveStepAttribute( id_transformation, id_step, i, "file_name", fileName[i] );
rep.saveStepAttribute( id_transformation, id_step, i, "file_mask", fileMask[i] );
rep.saveStepAttribute( id_transformation, id_step, i, "file_required", fileRequired[i] );
rep.saveStepAttribute( id_transformation, id_step, i, "include_subfolders", includeSubFolders[i] );
}
for ( int i = 0; i < inputFields.length; i++ ) {
YamlInputField field = inputFields[i];
rep.saveStepAttribute( id_transformation, id_step, i, "field_name", field.getName() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_path", field.getPath() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_type", field.getTypeDesc() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_format", field.getFormat() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_currency", field.getCurrencySymbol() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_decimal", field.getDecimalSymbol() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_group", field.getGroupSymbol() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_length", field.getLength() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_precision", field.getPrecision() );
rep.saveStepAttribute( id_transformation, id_step, i, "field_trim_type", field.getTrimTypeCode() );
}
rep.saveStepAttribute( id_transformation, id_step, "IsInFields", inFields );
rep.saveStepAttribute( id_transformation, id_step, "IsAFile", IsAFile );
rep.saveStepAttribute( id_transformation, id_step, "YamlField", yamlField );
} catch ( Exception e ) {
throw new KettleException( BaseMessages.getString(
PKG, "YamlInputMeta.Exception.ErrorSavingToRepository", "" + id_step ), e );
}
}
public FileInputList getFiles( VariableSpace space ) {
return FileInputList.createFileList( space, fileName, fileMask, fileRequired, includeSubFolderBoolean() );
}
private boolean[] includeSubFolderBoolean() {
int len = fileName.length;
boolean[] includeSubFolderBoolean = new boolean[len];
for ( int i = 0; i < len; i++ ) {
includeSubFolderBoolean[i] = YES.equalsIgnoreCase( includeSubFolders[i] );
}
return includeSubFolderBoolean;
}
@Override
public void check( List remarks, TransMeta transMeta, StepMeta stepMeta,
RowMetaInterface prev, String[] input, String[] output, RowMetaInterface info, VariableSpace space,
Repository repository, IMetaStore metaStore ) {
CheckResult cr;
// See if we get input...
if ( input.length <= 0 ) {
cr =
new CheckResult( CheckResult.TYPE_RESULT_ERROR, BaseMessages.getString(
PKG, "YamlInputMeta.CheckResult.NoInputExpected" ), stepMeta );
remarks.add( cr );
} else {
cr =
new CheckResult( CheckResult.TYPE_RESULT_OK, BaseMessages.getString(
PKG, "YamlInputMeta.CheckResult.NoInput" ), stepMeta );
remarks.add( cr );
}
if ( getInputFields().length <= 0 ) {
cr =
new CheckResult( CheckResult.TYPE_RESULT_ERROR, BaseMessages.getString(
PKG, "YamlInputMeta.CheckResult.NoInputField" ), stepMeta );
remarks.add( cr );
}
if ( isInFields() ) {
if ( Utils.isEmpty( getYamlField() ) ) {
cr =
new CheckResult( CheckResult.TYPE_RESULT_ERROR, BaseMessages.getString(
PKG, "YamlInputMeta.CheckResult.NoField" ), stepMeta );
remarks.add( cr );
} else {
cr =
new CheckResult( CheckResult.TYPE_RESULT_OK, BaseMessages.getString(
PKG, "YamlInputMeta.CheckResult.FieldOk" ), stepMeta );
remarks.add( cr );
}
} else {
FileInputList fileInputList = getFiles( transMeta );
// String files[] = getFiles();
if ( fileInputList == null || fileInputList.getFiles().size() == 0 ) {
cr =
new CheckResult( CheckResult.TYPE_RESULT_ERROR, BaseMessages.getString(
PKG, "YamlInputMeta.CheckResult.NoFiles" ), stepMeta );
remarks.add( cr );
} else {
cr =
new CheckResult( CheckResult.TYPE_RESULT_OK, BaseMessages.getString(
PKG, "YamlInputMeta.CheckResult.FilesOk", "" + fileInputList.getFiles().size() ), stepMeta );
remarks.add( cr );
}
}
}
@Override
public StepInterface getStep( StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta tr,
Trans trans ) {
return new YamlInput( stepMeta, stepDataInterface, cnr, tr, trans );
}
@Override
public StepDataInterface getStepData() {
return new YamlInputData();
}
@Override
public boolean supportsErrorHandling() {
return true;
}
/**
* 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.
*
* @param space
* the variable space to use
* @param definitions
* @param resourceNamingInterface
* @param repository
* The repository to optionally load other resources from (to be converted to XML)
* @param metaStore
* the metaStore in which non-kettle metadata could reside.
*
* @return the filename of the exported resource
*/
@Override
public String exportResources( VariableSpace space, Map definitions,
ResourceNamingInterface resourceNamingInterface, Repository repository, IMetaStore metaStore ) throws KettleException {
try {
// The object that we're modifying here is a copy of the original!
// So let's change the filename from relative to absolute by grabbing the file object...
// In case the name of the file comes from previous steps, forget about this!
//
List newFilenames = new ArrayList();
if ( !isInFields() ) {
FileInputList fileList = getFiles( space );
if ( fileList.getFiles().size() > 0 ) {
for ( FileObject fileObject : fileList.getFiles() ) {
// From : ${Internal.Transformation.Filename.Directory}/../foo/bar.xml
// To : /home/matt/test/files/foo/bar.xml
//
// If the file doesn't exist, forget about this effort too!
//
if ( fileObject.exists() ) {
// Convert to an absolute path and add it to the list.
//
newFilenames.add( fileObject.getName().getPath() );
}
}
// Still here: set a new list of absolute filenames!
//
fileName = newFilenames.toArray( new String[newFilenames.size()] );
fileMask = new String[newFilenames.size()]; // all null since converted to absolute path.
fileRequired = new String[newFilenames.size()]; // all null, turn to "Y" :
for ( int i = 0; i < newFilenames.size(); i++ ) {
fileRequired[i] = "Y";
}
}
}
return null;
} catch ( Exception e ) {
throw new KettleException( e );
}
}
}