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*
* Pentaho Data Integration
*
* Copyright (C) 2002-2016 by Pentaho : http://www.pentaho.com
*
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*
* 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
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package org.pentaho.di.trans.steps.mailvalidator;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.util.Utils;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.row.RowDataUtil;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.trans.Trans;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.BaseStep;
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;
/**
* Check if an email address is valid *
*
* @author Samatar
* @since 03-Juin-2008
*
*/
public class MailValidator extends BaseStep implements StepInterface {
private static Class<?> PKG = MailValidatorMeta.class; // for i18n purposes, needed by Translator2!!
private MailValidatorMeta meta;
private MailValidatorData data;
public MailValidator( StepMeta stepMeta, StepDataInterface stepDataInterface, int copyNr, TransMeta transMeta,
Trans trans ) {
super( stepMeta, stepDataInterface, copyNr, transMeta, trans );
}
public boolean processRow( StepMetaInterface smi, StepDataInterface sdi ) throws KettleException {
meta = (MailValidatorMeta) smi;
data = (MailValidatorData) sdi;
Object[] r = getRow(); // Get row from input rowset & set row busy!
if ( r == null ) { // no more input to be expected...
setOutputDone();
return false;
}
if ( first ) {
first = false;
// get the RowMeta
data.previousRowMeta = getInputRowMeta().clone();
data.NrPrevFields = data.previousRowMeta.size();
data.outputRowMeta = getInputRowMeta().clone();
meta.getFields( data.outputRowMeta, getStepname(), null, null, this, repository, metaStore );
// check result fieldname
data.realResultFieldName = environmentSubstitute( meta.getResultFieldName() );
if ( Utils.isEmpty( data.realResultFieldName ) ) {
throw new KettleException( BaseMessages.getString( PKG, "MailValidator.Error.ResultFieldNameMissing" ) );
}
if ( meta.isResultAsString() ) {
if ( Utils.isEmpty( meta.getEMailValideMsg() ) ) {
throw new KettleException( BaseMessages.getString( PKG, "MailValidator.Error.EMailValidMsgMissing" ) );
}
if ( Utils.isEmpty( meta.getEMailNotValideMsg() ) ) {
throw new KettleException( BaseMessages.getString( PKG, "MailValidator.Error.EMailNotValidMsgMissing" ) );
}
data.msgValidMail = environmentSubstitute( meta.getEMailValideMsg() );
data.msgNotValidMail = environmentSubstitute( meta.getEMailNotValideMsg() );
}
// Check is email address field is provided
if ( Utils.isEmpty( meta.getEmailField() ) ) {
throw new KettleException( BaseMessages.getString( PKG, "MailValidator.Error.FilenameFieldMissing" ) );
}
data.realResultErrorsFieldName = environmentSubstitute( meta.getErrorsField() );
// cache the position of the field
if ( data.indexOfeMailField < 0 ) {
data.indexOfeMailField = data.previousRowMeta.indexOfValue( meta.getEmailField() );
if ( data.indexOfeMailField < 0 ) {
// The field is unreachable !
throw new KettleException( BaseMessages.getString(
PKG, "MailValidator.Exception.CouldnotFindField", meta.getEmailField() ) );
}
}
// SMTP check?
if ( meta.isSMTPCheck() ) {
if ( meta.isdynamicDefaultSMTP() ) {
if ( Utils.isEmpty( meta.getDefaultSMTP() ) ) {
throw new KettleException( BaseMessages.getString( PKG, "MailValidator.Error.DefaultSMTPFieldMissing" ) );
}
if ( data.indexOfdefaultSMTPField < 0 ) {
data.indexOfdefaultSMTPField = data.previousRowMeta.indexOfValue( meta.getDefaultSMTP() );
if ( data.indexOfdefaultSMTPField < 0 ) {
// The field is unreachable !
throw new KettleException( BaseMessages.getString(
PKG, "MailValidator.Exception.CouldnotFindField", meta.getDefaultSMTP() ) );
}
}
}
// get Timeout
data.timeout = Const.toInt( environmentSubstitute( meta.getTimeOut() ), 0 );
// get email sender
data.realemailSender = environmentSubstitute( meta.geteMailSender() );
// get default SMTP server
data.realdefaultSMTPServer = environmentSubstitute( meta.getDefaultSMTP() );
}
} // End If first
boolean sendToErrorRow = false;
String errorMessage = null;
boolean mailvalid = false;
String mailerror = null;
Object[] outputRow = RowDataUtil.allocateRowData( data.outputRowMeta.size() );
for ( int i = 0; i < data.NrPrevFields; i++ ) {
outputRow[i] = r[i];
}
try {
// get dynamic email address
String emailaddress = data.previousRowMeta.getString( r, data.indexOfeMailField );
if ( !Utils.isEmpty( emailaddress ) ) {
if ( meta.isdynamicDefaultSMTP() ) {
data.realdefaultSMTPServer = data.previousRowMeta.getString( r, data.indexOfdefaultSMTPField );
}
// Check if address is valid
MailValidationResult result =
MailValidation.isAddressValid(
log, emailaddress, data.realemailSender, data.realdefaultSMTPServer, data.timeout, meta
.isSMTPCheck() );
// return result
mailvalid = result.isValide();
mailerror = result.getErrorMessage();
} else {
mailerror = BaseMessages.getString( PKG, "MailValidator.Error.MailEmpty" );
}
if ( meta.isResultAsString() ) {
if ( mailvalid ) {
outputRow[data.NrPrevFields] = data.msgValidMail;
} else {
outputRow[data.NrPrevFields] = data.msgNotValidMail;
}
} else {
// add boolean result field
outputRow[data.NrPrevFields] = mailvalid;
}
int rowIndex = data.NrPrevFields;
rowIndex++;
// add errors field
if ( !Utils.isEmpty( data.realResultErrorsFieldName ) ) {
outputRow[rowIndex] = mailerror;
}
putRow( data.outputRowMeta, outputRow ); // copy row to output rowset(s);
if ( log.isRowLevel() ) {
logRowlevel( BaseMessages.getString( PKG, "MailValidator.LineNumber", getLinesRead()
+ " : " + getInputRowMeta().getString( r ) ) );
}
} catch ( Exception e ) {
if ( getStepMeta().isDoingErrorHandling() ) {
sendToErrorRow = true;
errorMessage = e.toString();
} else {
logError( BaseMessages.getString( PKG, "MailValidator.ErrorInStepRunning" ) + e.getMessage() );
setErrors( 1 );
stopAll();
setOutputDone(); // signal end to receiver(s)
return false;
}
if ( sendToErrorRow ) {
// Simply add this row to the error row
putError( getInputRowMeta(), r, 1, errorMessage, meta.getResultFieldName(), "MailValidator001" );
}
}
return true;
}
public boolean init( StepMetaInterface smi, StepDataInterface sdi ) {
meta = (MailValidatorMeta) smi;
data = (MailValidatorData) sdi;
if ( super.init( smi, sdi ) ) {
if ( Utils.isEmpty( meta.getResultFieldName() ) ) {
logError( BaseMessages.getString( PKG, "MailValidator.Error.ResultFieldMissing" ) );
return false;
}
return true;
}
return false;
}
public void dispose( StepMetaInterface smi, StepDataInterface sdi ) {
meta = (MailValidatorMeta) smi;
data = (MailValidatorData) sdi;
super.dispose( smi, sdi );
}
}