Friday, February 22, 2019

Apache POI Word - Core Classes

This chapter takes you through the classes and methods of Apache POI for managing a Word document.

Document

This is a marker interface (interface do not contain any methods), that notifies that the implemented class can be able to create a word document.

XWPFDocument

This is a class under org.apache.poi.xwpf.usermodel package. It is used to create MS-Word Document with .docx file format.

Class Methods

Sr.No.Method & Description
1
commit()
Commits and saves the document.
2
createParagraph()
Appends a new paragraph to this document.
3
createTable()
Creates an empty table with one row and one column as default.
4
createTOC()
Creates a table of content for Word document.
5
getParagraphs()
Returns the paragraph(s) that holds the text of the header or footer.
6
getStyle()
Returns the styles object used.
For the remaining methods of this class, refer the complete API document at −

XWPFParagraph

This is a class under org.apache.poi.xwpf.usermodel package and is used to create paragraph in a word document. This instance is also used to add all types of elements into word document.

Class Methods

Sr.No.Method & Description
1
createRun()
Appends a new run to this paragraph.
2
getAlignment()
Returns the paragraph alignment which shall be applied to the text in this paragraph.
3
setAlignment(ParagraphAlignment align)
Specifies the paragraph alignment which shall be applied to the text in this paragraph.
4
setBorderBottom(Borders border)
Specifies the border which shall be displayed below a set of paragraphs, which have the same set of paragraph border settings.
5
setBorderLeft(Borders border)
Specifies the border which shall be displayed on the left side of the page around the specified paragraph.
6
setBorderRight(Borders border)
Specifies the border which shall be displayed on the right side of the page around the specified paragraph.
7
setBorderTop(Borders border)
Specifies the border which shall be displayed above a set of paragraphs which have the same set of paragraph border settings.
For the remaining methods of this class, refer the complete API document at −

XWPFRun

This is a class under org.apache.poi.xwpf.usermodel package and is used to add a region of text to the paragraph.

Class Methods

Sr.No.Method & Description
1
addBreak()
Specifies that a break shall be placed at the current location in the run content.
2
addTab()
Specifies that a tab shall be placed at the current location in the run content.
3
setColor(java.lang.String rgbStr)
Sets text color.
4
setFontSize(int size)
Specifies the font size which shall be applied to all noncomplex script characters in the content of this run when displayed.
5
setText(java.lang.String value)
Sets the text of this text run.
6
setBold(boolean value)
Specifies whether the bold property shall be applied to all non-complex script characters in the content of this run when displayed in a document.
For the remaining methods of this class, refer the complete API document at −

XWPFStyle

This is a class under org.apache.poi.xwpf.usermodel package and is used to add different styles to the object elements in a word document.

Class Methods

Sr.No.Method & Description
1
getNextStyleID()
It is used to get StyleID of the next style.
2
getStyleId()
It is used to get StyleID of the style.
3
getStyles()
It is used to get styles.
4
setStyleId(java.lang.String styleId)
It is used to set styleID.
For the remaining methods of this class, refer the complete API document at −

XWPFTable

This is a class under org.apache.poi.xwpf.usermodel package and is used to add table data into a word document.

Class Methods

Sr.No.Method & Description
1
addNewCol()
Adds a new column for each row in this table.
2
addRow(XWPFTableRow row, int pos)
Adds a new Row to the table at position pos.
3
createRow()
Creates a new XWPFTableRow object with as many cells as the number of columns defined in that moment.
4
setWidth(int width)
Sets the width of the column.
For the remaining methods of this class, refer the complete API document at:POI API Documentation

XWPFWordExtractor

This is a class under org.apache.poi.xwpf.extractor package. It is a basic parser class used to extract the simple text from a Word document.

Class Methods

Sr.No.Method & Description
1
getText()
Retrieves all the text from the document.
For the remaining methods of this class, refer the complete API document at:POI API Documentation

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