Merge pdf,

Merge pdf,

Merge pdf
Add Jar dependencies to pom. xml
<! -- Pdf Processing jar dependency start -->
<Dependency>
<GroupId> com. itextpdf </groupId>
<ArtifactId> itextpdf </artifactId>
<Version> 5.5.12 </version>
</Dependency>
<! -- Pdf Processing jar dependency end -->

<! -- Pdf Processing jar package dependency start -->
<Dependency>
<GroupId> com. itextpdf </groupId>
<ArtifactId> itext-asian </artifactId>
<Version> 5.2.0 </version>
</Dependency>
<Dependency>
<GroupId> com. lowagie </groupId>
<ArtifactId> itext </artifactId>
<Version> 4.2.1 </version>
</Dependency>
<! -- Pdf Processing jar package dependency end -->


Package com.bjpowernode.p2p.admin.pdf;

Import java. io. FileInputStream;
Import java. io. FileOutputStream;
Import java. io. IOException;
Import java. util. ArrayList;
Import java. util. Iterator;
Import java. util. List;

Import org. apache. logging. log4j. LogManager;
Import org. apache. logging. log4j. Logger;

Import com. itextpdf. text. Document;
Import com.itext;.text=. BaseFont;
Import com.itext;.text=. inclucontentbyte;
Import com.itext;.text}. PdfImportedPage;
Import com.itext;.text=. PdfReader;
Import com.itext;.text=. compile writer;

/**
* PDF file Merging
*
* @ Author ldd
*
*/
Public class extends mergeutil {

/** Log4j2 logger */
Private static final Logger logger = LogManager. getLogger (mongomergeutil. class );

/**
* PDF file Merging
*
* @ Param streamOfPDFFiles
* @ Param outputStream
* @ Param paginate
*/
Public static void mergePDFs (List <String> inputFileList, String outputFile, boolean paginate ){

Logger.info ("pdf file merging ......");
// Create a new pdf document
Document document = new Document ();

Specified writer = null;
FileInputStream FCM = null;
FileOutputStream fos = null;

Try {
// Create an object for reading Pdf files
List <PdfReader> readers = new ArrayList <PdfReader> ();

For (String filePath: inputFileList ){
FCM = new FileInputStream (filePath );

PdfReader pdfReader = new PdfReader (FCM );
Readers. add (pdfReader );
}
// Read the PDF file
Fos = new FileOutputStream (outputFile );
// Generate a new document
Writer = writable writer. getInstance (document, fos );
// Open the document
Document. open ();
// Set the font
BaseFont bf = BaseFont. createFont (BaseFont. HELVETICA, BaseFont. CP1252, BaseFont. NOT_EMBEDDED );
Required contentbyte cb = writer. getDirectContent ();

PdfImportedPage = null;
Int currentPageNumber = 0;
Int pageOfCurrentReaderPDF = 0;

Iterator <PdfReader> iteratorPDFReader = readers. iterator ();
// Read pdf in sequence
While (iteratorPDFReader. hasNext ()){

PdfReader pdfReader = iteratorPDFReader. next ();

// Create a new page in the target for each source page.
While (pageOfCurrentReaderPDF <pdfReader. getNumberOfPages ()){
Document. newPage ();
PageOfCurrentReaderPDF ++;
CurrentPageNumber ++; // create the current page number
Page = writer. getImportedPage (pdfReader, pageOfCurrentReaderPDF );
Cb. addTemplate (page, 0, 0 );

// Code for pagination.
If (paginate ){
Cb. beginText ();
Cb. setFontAndSize (bf, 9); // font
Cb. showTextAligned (contentbyte. ALIGN_CENTER, String. valueOf (currentPageNumber), 290, 50, 0 );
Cb. endText ();
}
}
PageOfCurrentReaderPDF = 0;
}
} Catch (Exception e ){
E. printStackTrace ();
} Finally {
Try {
If (document. isOpen ()){
Document. close ();
}
If (null! = Fiis ){
FCM. close ();
}
If (null! = Fos ){
Fos. close ();
}
If (null! = Writer ){
Writer. close ();
}
} Catch (IOException e ){
E. printStackTrace ();
}
}
}

/**
* File merging Test
*
* @ Param args
* @ Throws Throwable
*/
Public static void main (String [] args) throws Throwable {
List <String> inputFileList = new ArrayList <String> ();
InputFileList. add ("C: \ dev \ eclipse \ workspace \ p2p-admin \ src \ main \ resources \ sb_loan_contract_borrow.pdf ");
InputFileList. add ("C: \ dev \ eclipse \ workspace \ p2p-admin \ src \ main \ resources \ sb_loan_contract_borrow.pdf ");
String outputFile = "C: \ dev \ eclipse \ workspace \ p2p-admin \ src \ main \ resources \ sb_loan_contract_borrow_merge.pdf ";
// Merge PDF files
PDFMergeUtil. mergePDFs (inputFileList, outputFile, true );
}
}





------------------------------------------- Gorgeous split line ----------------------------------------------------------
List <String> pdfList = new ArrayList <String> ();
PdfList. add (outPutFileName); // company seal pdf
PdfList. add (outFile_table); // table pdf

// PDF file Merging
PDFMergeUtil. mergePDFs (pdfList, outFile_final, true );