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Container pom for Pentaho Data Integration modules
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/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2018 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.cubeinput;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Map;
import java.util.zip.GZIPInputStream;
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.database.DatabaseMeta;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.exception.KettleFileException;
import org.pentaho.di.core.exception.KettleStepException;
import org.pentaho.di.core.exception.KettleXMLException;
import org.pentaho.di.core.row.RowMeta;
import org.pentaho.di.core.row.RowMetaInterface;
import org.pentaho.di.core.variables.VariableSpace;
import org.pentaho.di.core.vfs.KettleVFS;
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;
/*
* Created on 2-jun-2003
*
*/
public class CubeInputMeta extends BaseStepMeta implements StepMetaInterface {
private static Class PKG = CubeInputMeta.class; // for i18n purposes, needed by Translator2!!
private String filename;
private String rowLimit;
private boolean addfilenameresult;
public CubeInputMeta() {
super(); // allocate BaseStepMeta
}
@Override public void loadXML( Node stepnode, List databases, IMetaStore metaStore ) throws KettleXMLException {
readData( stepnode );
}
/**
* @return Returns the filename.
*/
public String getFilename() {
return filename;
}
/**
* @param filename
* The filename to set.
*/
public void setFilename( String filename ) {
this.filename = filename;
}
/**
* @param rowLimit
* The rowLimit to set.
*/
@Deprecated
public void setRowLimit( int rowLimit ) {
this.rowLimit = String.valueOf( rowLimit );
}
/**
* @param rowLimit
* The rowLimit to set.
*/
public void setRowLimit( String rowLimit ) {
this.rowLimit = rowLimit;
}
/**
* @return Returns the rowLimit.
*/
public String getRowLimit() {
return rowLimit;
}
/**
* @return Returns the addfilenameresult.
*/
public boolean isAddResultFile() {
return addfilenameresult;
}
/**
* @param addfilenameresult
* The addfilenameresult to set.
*/
public void setAddResultFile( boolean addfilenameresult ) {
this.addfilenameresult = addfilenameresult;
}
@Override public Object clone() {
CubeInputMeta retval = (CubeInputMeta) super.clone();
return retval;
}
private void readData( Node stepnode ) throws KettleXMLException {
try {
filename = XMLHandler.getTagValue( stepnode, "file", "name" );
rowLimit = XMLHandler.getTagValue( stepnode, "limit" );
addfilenameresult = "Y".equalsIgnoreCase( XMLHandler.getTagValue( stepnode, "addfilenameresult" ) );
} catch ( Exception e ) {
throw new KettleXMLException(
BaseMessages.getString( PKG, "CubeInputMeta.Exception.UnableToLoadStepInfo" ), e );
}
}
@Override public void setDefault() {
filename = "file";
rowLimit = "0";
addfilenameresult = false;
}
@Override public void getFields( RowMetaInterface r, String name, RowMetaInterface[] info, StepMeta nextStep,
VariableSpace space, Repository repository, IMetaStore metaStore ) throws KettleStepException {
GZIPInputStream fis = null;
DataInputStream dis = null;
try {
InputStream is = KettleVFS.getInputStream( space.environmentSubstitute( filename ), space );
fis = new GZIPInputStream( is );
dis = new DataInputStream( fis );
RowMetaInterface add = new RowMeta( dis );
for ( int i = 0; i < add.size(); i++ ) {
add.getValueMeta( i ).setOrigin( name );
}
r.mergeRowMeta( add );
} catch ( KettleFileException kfe ) {
throw new KettleStepException(
BaseMessages.getString( PKG, "CubeInputMeta.Exception.UnableToReadMetaData" ), kfe );
} catch ( IOException e ) {
throw new KettleStepException( BaseMessages.getString(
PKG, "CubeInputMeta.Exception.ErrorOpeningOrReadingCubeFile" ), e );
} finally {
try {
if ( fis != null ) {
fis.close();
}
if ( dis != null ) {
dis.close();
}
} catch ( IOException ioe ) {
throw new KettleStepException( BaseMessages.getString(
PKG, "CubeInputMeta.Exception.UnableToCloseCubeFile" ), ioe );
}
}
}
@Override public String getXML() {
StringBuilder retval = new StringBuilder( 300 );
retval.append( " " ).append( Const.CR );
retval.append( " " ).append( XMLHandler.addTagValue( "name", filename ) );
retval.append( " " ).append( Const.CR );
retval.append( " " ).append( XMLHandler.addTagValue( "limit", rowLimit ) );
retval.append( " " ).append( XMLHandler.addTagValue( "addfilenameresult", addfilenameresult ) );
return retval.toString();
}
@Override public void readRep( Repository rep, IMetaStore metaStore, ObjectId id_step, List databases ) throws KettleException {
try {
filename = rep.getStepAttributeString( id_step, "file_name" );
try {
rowLimit = rep.getStepAttributeString( id_step, "limit" );
} catch ( KettleException readOldAttributeType ) {
// PDI-12897
rowLimit = String.valueOf( rep.getStepAttributeInteger( id_step, "limit" ) );
}
addfilenameresult = rep.getStepAttributeBoolean( id_step, "addfilenameresult" );
} catch ( Exception e ) {
throw new KettleException( BaseMessages.getString(
PKG, "CubeInputMeta.Exception.UnexpectedErrorWhileReadingStepInfo" ), e );
}
}
@Override public void saveRep( Repository rep, IMetaStore metaStore, ObjectId id_transformation, ObjectId id_step ) throws KettleException {
try {
rep.saveStepAttribute( id_transformation, id_step, "file_name", filename );
rep.saveStepAttribute( id_transformation, id_step, "limit", rowLimit );
rep.saveStepAttribute( id_transformation, id_step, "addfilenameresult", addfilenameresult );
} catch ( KettleException e ) {
throw new KettleException( BaseMessages.getString( PKG, "CubeInputMeta.Exception.UnableToSaveStepInfo" )
+ id_step, e );
}
}
@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;
cr =
new CheckResult( CheckResult.TYPE_RESULT_COMMENT, BaseMessages.getString(
PKG, "CubeInputMeta.CheckResult.FileSpecificationsNotChecked" ), stepMeta );
remarks.add( cr );
}
@Override public StepInterface getStep( StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta tr,
Trans trans ) {
return new CubeInput( stepMeta, stepDataInterface, cnr, tr, trans );
}
@Override public StepDataInterface getStepData() {
return new CubeInputData();
}
/**
* @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...
//
// From : ${Internal.Transformation.Filename.Directory}/../foo/bar.data
// To : /home/matt/test/files/foo/bar.data
//
FileObject fileObject = KettleVFS.getFileObject( space.environmentSubstitute( filename ), space );
// If the file doesn't exist, forget about this effort too!
//
if ( fileObject.exists() ) {
// Convert to an absolute path...
//
filename = resourceNamingInterface.nameResource( fileObject, space, true );
return filename;
}
return null;
} catch ( Exception e ) {
throw new KettleException( e );
}
}
}