com.aspose.words

Class MailMergerContext

java.lang.Object

com.aspose.words.ProcessorContext

com.aspose.words.MailMergerContext

public class MailMergerContext
extends ProcessorContext

Mail merge context.

Examples:

Shows how to do mail merge operation for a single record using context.

 
 // There is a several ways to do mail merge operation:
 String doc = getMyDir() + "Mail merge.doc";

 String[] fieldNames = new String[]{"FirstName", "Location", "SpecialCharsInName()"};
 String[] fieldValues = new String[]{"James Bond", "London", "Classified"};

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setSimpleDataSource(fieldNames, fieldValues);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContext.docx")
         .execute();
 
 

Shows how to do mail merge operation from a DataTable using context.

 
 // There is a several ways to do mail merge operation from a DataTable:
 String doc = getMyDir() + "Mail merge.doc";

 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setSimpleDataSource(dataTable);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextDataTable.docx")
         .execute();
 
 

Shows how to do mail merge operation from a DataRow using context.

 
 // There is a several ways to do mail merge operation from a DataRow:
 String doc = getMyDir() + "Mail merge.doc";

 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});
 DataRow dataRow = dataTable.getRows().get(0);

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setSimpleDataSource(dataRow);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextDataRow.docx")
         .execute();
 
 

Shows how to do mail merge with regions operation from a DataTable using context.

 
 // There is a several ways to do mail merge with regions operation from a DataTable:
 String doc = getMyDir() + "Mail merge with regions.docx";

 DataTable dataTable = new DataTable("MyTable");
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("LastName");
 dataTable.getRows().add(new Object[]{"John", "Doe"});
 dataTable.getRows().add(new Object[]{"", ""});
 dataTable.getRows().add(new Object[]{"Jane", "Doe"});

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setRegionsDataSource(dataTable);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextWithRegionsDataTable.docx")
         .execute();
 
 

Shows how to do mail merge operation for a single record from the stream using context.

 
 // There is a several ways to do mail merge operation using documents from the stream:
 String[] fieldNames = new String[]{"FirstName", "Location", "SpecialCharsInName()"};
 String[] fieldValues = new String[]{"James Bond", "London", "Classified"};

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setSimpleDataSource(fieldNames, fieldValues);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStream.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

Shows how to do mail merge operation from a DataTable using documents from the stream using context.

 
 // There is a several ways to do mail merge operation from a DataTable using documents from the stream:
 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setSimpleDataSource(dataTable);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamDataTable.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

Shows how to do mail merge operation from a DataRow using documents from the stream using context.

 
 // There is a several ways to do mail merge operation from a DataRow using documents from the stream:
 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});
 DataRow dataRow = dataTable.getRows().get(0);

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setSimpleDataSource(dataRow);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamDataRow.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

Shows how to do mail merge with regions operation from a DataTable using documents from the stream using context.

 
 // There is a several ways to do mail merge with regions operation from a DataTable using documents from the stream:
 DataTable dataTable = new DataTable("MyTable");
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("LastName");
 dataTable.getRows().add(new Object[]{"John", "Doe"});
 dataTable.getRows().add(new Object[]{"", ""});
 dataTable.getRows().add(new Object[]{"Jane", "Doe"});

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setRegionsDataSource(dataTable);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamWithRegionsDataTable.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

Shows how to do mail merge with regions operation from a DataSet using context.

 
 // There is a several ways to do mail merge with regions operation from a DataSet:
 String doc = getMyDir() + "Mail merge with regions data set.docx";

 DataTable tableCustomers = new DataTable("Customers");
 tableCustomers.getColumns().add("CustomerID");
 tableCustomers.getColumns().add("CustomerName");
 tableCustomers.getRows().add(new Object[]{1, "John Doe"});
 tableCustomers.getRows().add(new Object[]{2, "Jane Doe"});

 DataTable tableOrders = new DataTable("Orders");
 tableOrders.getColumns().add("CustomerID");
 tableOrders.getColumns().add("ItemName");
 tableOrders.getColumns().add("Quantity");
 tableOrders.getRows().add(new Object[]{1, "Hawaiian", 2});
 tableOrders.getRows().add(new Object[]{2, "Pepperoni", 1});
 tableOrders.getRows().add(new Object[]{2, "Chicago", 1});

 DataSet dataSet = new DataSet();
 dataSet.getTables().add(tableCustomers);
 dataSet.getTables().add(tableOrders);
 dataSet.getRelations().add(tableCustomers.getColumns().get("CustomerID"), tableOrders.getColumns().get("CustomerID"));

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setRegionsDataSource(dataSet);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextWithRegionsDataTable.docx")
         .execute();
 
 

Shows how to do mail merge with regions operation from a DataSet using documents from the stream using context.

 
 // There is a several ways to do mail merge with regions operation from a DataSet using documents from the stream:
 DataTable tableCustomers = new DataTable("Customers");
 tableCustomers.getColumns().add("CustomerID");
 tableCustomers.getColumns().add("CustomerName");
 tableCustomers.getRows().add(new Object[]{1, "John Doe"});
 tableCustomers.getRows().add(new Object[]{2, "Jane Doe"});

 DataTable tableOrders = new DataTable("Orders");
 tableOrders.getColumns().add("CustomerID");
 tableOrders.getColumns().add("ItemName");
 tableOrders.getColumns().add("Quantity");
 tableOrders.getRows().add(new Object[]{1, "Hawaiian", 2});
 tableOrders.getRows().add(new Object[]{2, "Pepperoni", 1});
 tableOrders.getRows().add(new Object[]{2, "Chicago", 1});

 DataSet dataSet = new DataSet();
 dataSet.getTables().add(tableCustomers);
 dataSet.getTables().add(tableOrders);
 dataSet.getRelations().add(tableCustomers.getColumns().get("CustomerID"), tableOrders.getColumns().get("CustomerID"));

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setRegionsDataSource(dataSet);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamWithRegionsDataSet.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

Constructor Summary

Constructors

Constructor and Description
MailMergerContext() Initializes a new instance of this class.

Method Summary

Modifier and Type	Method and Description
MailMergeOptions	getMailMergeOptions() Mail merge options.
void	setRegionsDataSource(DataSet dataSet) Sets data source used to execute mail merge with regions.
void	setRegionsDataSource(DataTable dataTable) Sets data source used to execute mail merge with regions.
void	setSimpleDataSource(DataRow dataRow) Sets data source used to execute simple mail merge.
void	setSimpleDataSource(DataTable dataTable) Sets data source used to execute simple mail merge.
void	setSimpleDataSource(java.lang.String[] fieldNames, java.lang.Object[] fieldValues) Sets data source used to execute simple mail merge.

Methods inherited from class com.aspose.words.ProcessorContext

getFontSettings, getLayoutOptions, getWarningCallback, setFontSettings, setWarningCallback

Methods inherited from class java.lang.Object

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

Constructor Detail

MailMergerContext

public MailMergerContext()

Initializes a new instance of this class.

Method Detail

getMailMergeOptions

public MailMergeOptions getMailMergeOptions()

Mail merge options.

Examples:

Shows how to do mail merge operation for a single record using context.

 
 // There is a several ways to do mail merge operation:
 String doc = getMyDir() + "Mail merge.doc";

 String[] fieldNames = new String[]{"FirstName", "Location", "SpecialCharsInName()"};
 String[] fieldValues = new String[]{"James Bond", "London", "Classified"};

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setSimpleDataSource(fieldNames, fieldValues);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContext.docx")
         .execute();
 
 

Shows how to do mail merge operation for a single record from the stream using context.

 
 // There is a several ways to do mail merge operation using documents from the stream:
 String[] fieldNames = new String[]{"FirstName", "Location", "SpecialCharsInName()"};
 String[] fieldValues = new String[]{"James Bond", "London", "Classified"};

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setSimpleDataSource(fieldNames, fieldValues);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStream.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

Returns:

The corresponding MailMergeOptions value.

setSimpleDataSource

public void setSimpleDataSource(java.lang.String[] fieldNames,
                                java.lang.Object[] fieldValues)

Sets data source used to execute simple mail merge.

Remarks:

If both simple mail merge data source and data source for mail merge with regions are specified, mail merge with regions is executed first and then simple mail merge is executed.

Examples:

Shows how to do mail merge operation for a single record using context.

 
 // There is a several ways to do mail merge operation:
 String doc = getMyDir() + "Mail merge.doc";

 String[] fieldNames = new String[]{"FirstName", "Location", "SpecialCharsInName()"};
 String[] fieldValues = new String[]{"James Bond", "London", "Classified"};

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setSimpleDataSource(fieldNames, fieldValues);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContext.docx")
         .execute();
 
 

Shows how to do mail merge operation for a single record from the stream using context.

 
 // There is a several ways to do mail merge operation using documents from the stream:
 String[] fieldNames = new String[]{"FirstName", "Location", "SpecialCharsInName()"};
 String[] fieldValues = new String[]{"James Bond", "London", "Classified"};

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setSimpleDataSource(fieldNames, fieldValues);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStream.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

setSimpleDataSource

public void setSimpleDataSource(DataRow dataRow)

Sets data source used to execute simple mail merge.

Remarks:

If both simple mail merge data source and data source for mail merge with regions are specified, mail merge with regions is executed first and then simple mail merge is executed.

Examples:

Shows how to do mail merge operation from a DataRow using context.

 
 // There is a several ways to do mail merge operation from a DataRow:
 String doc = getMyDir() + "Mail merge.doc";

 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});
 DataRow dataRow = dataTable.getRows().get(0);

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setSimpleDataSource(dataRow);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextDataRow.docx")
         .execute();
 
 

Shows how to do mail merge operation from a DataRow using documents from the stream using context.

 
 // There is a several ways to do mail merge operation from a DataRow using documents from the stream:
 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});
 DataRow dataRow = dataTable.getRows().get(0);

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setSimpleDataSource(dataRow);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamDataRow.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

setSimpleDataSource

public void setSimpleDataSource(DataTable dataTable)

Sets data source used to execute simple mail merge.

Remarks:

If both simple mail merge data source and data source for mail merge with regions are specified, mail merge with regions is executed first and then simple mail merge is executed.

Examples:

Shows how to do mail merge operation from a DataTable using context.

 
 // There is a several ways to do mail merge operation from a DataTable:
 String doc = getMyDir() + "Mail merge.doc";

 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setSimpleDataSource(dataTable);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextDataTable.docx")
         .execute();
 
 

Shows how to do mail merge operation from a DataTable using documents from the stream using context.

 
 // There is a several ways to do mail merge operation from a DataTable using documents from the stream:
 DataTable dataTable = new DataTable();
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("Location");
 dataTable.getColumns().add("SpecialCharsInName()");

 dataTable.getRows().add(new String[]{"James Bond", "London", "Classified"});

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setSimpleDataSource(dataTable);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamDataTable.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

setRegionsDataSource

public void setRegionsDataSource(DataTable dataTable)

Sets data source used to execute mail merge with regions.

Remarks:

If both simple mail merge data source and data source for mail merge with regions are specified, mail merge with regions is executed first and then simple mail merge is executed.

Examples:

Shows how to do mail merge with regions operation from a DataTable using context.

 
 // There is a several ways to do mail merge with regions operation from a DataTable:
 String doc = getMyDir() + "Mail merge with regions.docx";

 DataTable dataTable = new DataTable("MyTable");
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("LastName");
 dataTable.getRows().add(new Object[]{"John", "Doe"});
 dataTable.getRows().add(new Object[]{"", ""});
 dataTable.getRows().add(new Object[]{"Jane", "Doe"});

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setRegionsDataSource(dataTable);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextWithRegionsDataTable.docx")
         .execute();
 
 

Shows how to do mail merge with regions operation from a DataTable using documents from the stream using context.

 
 // There is a several ways to do mail merge with regions operation from a DataTable using documents from the stream:
 DataTable dataTable = new DataTable("MyTable");
 dataTable.getColumns().add("FirstName");
 dataTable.getColumns().add("LastName");
 dataTable.getRows().add(new Object[]{"John", "Doe"});
 dataTable.getRows().add(new Object[]{"", ""});
 dataTable.getRows().add(new Object[]{"Jane", "Doe"});

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setRegionsDataSource(dataTable);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamWithRegionsDataTable.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }
 
 

setRegionsDataSource

public void setRegionsDataSource(DataSet dataSet)

Sets data source used to execute mail merge with regions.

Remarks:

If both simple mail merge data source and data source for mail merge with regions are specified, mail merge with regions is executed first and then simple mail merge is executed.

Examples:

Shows how to do mail merge with regions operation from a DataSet using context.

 
 // There is a several ways to do mail merge with regions operation from a DataSet:
 String doc = getMyDir() + "Mail merge with regions data set.docx";

 DataTable tableCustomers = new DataTable("Customers");
 tableCustomers.getColumns().add("CustomerID");
 tableCustomers.getColumns().add("CustomerName");
 tableCustomers.getRows().add(new Object[]{1, "John Doe"});
 tableCustomers.getRows().add(new Object[]{2, "Jane Doe"});

 DataTable tableOrders = new DataTable("Orders");
 tableOrders.getColumns().add("CustomerID");
 tableOrders.getColumns().add("ItemName");
 tableOrders.getColumns().add("Quantity");
 tableOrders.getRows().add(new Object[]{1, "Hawaiian", 2});
 tableOrders.getRows().add(new Object[]{2, "Pepperoni", 1});
 tableOrders.getRows().add(new Object[]{2, "Chicago", 1});

 DataSet dataSet = new DataSet();
 dataSet.getTables().add(tableCustomers);
 dataSet.getTables().add(tableOrders);
 dataSet.getRelations().add(tableCustomers.getColumns().get("CustomerID"), tableOrders.getColumns().get("CustomerID"));

 MailMergerContext mailMergerContext = new MailMergerContext();
 mailMergerContext.setRegionsDataSource(dataSet);
 mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

 MailMerger.create(mailMergerContext)
         .from(doc)
         .to(getArtifactsDir() + "LowCode.MailMergeContextWithRegionsDataTable.docx")
         .execute();
 
 

Shows how to do mail merge with regions operation from a DataSet using documents from the stream using context.

 
 // There is a several ways to do mail merge with regions operation from a DataSet using documents from the stream:
 DataTable tableCustomers = new DataTable("Customers");
 tableCustomers.getColumns().add("CustomerID");
 tableCustomers.getColumns().add("CustomerName");
 tableCustomers.getRows().add(new Object[]{1, "John Doe"});
 tableCustomers.getRows().add(new Object[]{2, "Jane Doe"});

 DataTable tableOrders = new DataTable("Orders");
 tableOrders.getColumns().add("CustomerID");
 tableOrders.getColumns().add("ItemName");
 tableOrders.getColumns().add("Quantity");
 tableOrders.getRows().add(new Object[]{1, "Hawaiian", 2});
 tableOrders.getRows().add(new Object[]{2, "Pepperoni", 1});
 tableOrders.getRows().add(new Object[]{2, "Chicago", 1});

 DataSet dataSet = new DataSet();
 dataSet.getTables().add(tableCustomers);
 dataSet.getTables().add(tableOrders);
 dataSet.getRelations().add(tableCustomers.getColumns().get("CustomerID"), tableOrders.getColumns().get("CustomerID"));

 try (FileInputStream streamIn = new FileInputStream(getMyDir() + "Mail merge.doc")) {
     MailMergerContext mailMergerContext = new MailMergerContext();
     mailMergerContext.setRegionsDataSource(dataSet);
     mailMergerContext.getMailMergeOptions().setTrimWhitespaces(true);

     try (FileOutputStream streamOut = new FileOutputStream(getArtifactsDir() + "LowCode.MailMergeContextStreamWithRegionsDataSet.docx")) {
         MailMerger.create(mailMergerContext)
                 .from(streamIn)
                 .to(streamOut, SaveFormat.DOCX)
                 .execute();
     }
 }