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AsDate Method

Summary

Helper method to convert a schema value to a date object.

Syntax
C#
C++/CLI
Java
Python
public DateTime AsDate( 
   string value 
) 
public java.util.Date asDate( 
   java.lang.String string 
); 
public:  
   DateTime^ AsDate( 
      String^ value 
   ) 
def AsDate(self,value): 

Parameters

value

String containing the value to convert.

Return Value

The converted value as a date, or an empty DateTime if the value could not be converted.

Remarks

Refer to PDFDocument.EmbeddedFiles for more information on using PDFSchema with PDF portfolio and embedded files.

Example
C#
Java
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
using Leadtools.Pdf; 
using Leadtools.Svg; 
using Leadtools.WinForms; 
 
 
public static void ExtractEmbeddedFiles(string inputFileName, string outputDir) 
{ 
   // Load the source document 
   PDFDocument pdfDocument = new PDFDocument(inputFileName); 
   if (!pdfDocument.HasEmbeddedFiles) 
   { 
      Console.WriteLine("PDF does not have embedded files"); 
      // No embedded files 
      pdfDocument.Dispose(); 
      return; 
   } 
 
   // Read the attachments 
   pdfDocument.ParseDocumentStructure(PDFParseDocumentStructureOptions.EmbeddedFiles); 
 
   if (!Directory.Exists(outputDir)) 
      Directory.CreateDirectory(outputDir); 
 
   foreach (PDFEmbeddedFile embeddedFile in pdfDocument.EmbeddedFiles) 
   { 
      // Show this file information 
      Console.WriteLine($"Number:{embeddedFile.FileNumber}"); 
      Console.WriteLine($"  FileName:{embeddedFile.FileName}"); 
      Console.WriteLine($"  FileSize:{embeddedFile.FileSize}"); 
      Console.WriteLine($"  Description:{embeddedFile.Description}"); 
      Console.WriteLine($"  Created:{embeddedFile.Created}"); 
      Console.WriteLine($"  Modified:{embeddedFile.Modified}"); 
 
      // Extract this attachment to the output directory 
      // Note: FileName of an embedded file is not guaranteed to be unique, therefore, we will append 
      // the file number which is unique to the output name 
      string outputFileName = $"{embeddedFile.FileNumber}-{embeddedFile.FileName}"; 
      Console.WriteLine($"  Extracting to {outputFileName}"); 
      outputFileName = Path.Combine(outputDir, outputFileName); 
      PDFFile.ExtractEmbeddedFile(inputFileName, pdfDocument.Password, embeddedFile.FileNumber, outputFileName); 
   } 
 
   pdfDocument.Dispose(); 
} 
 
import java.io.BufferedWriter; 
import java.io.Console; 
import java.io.File; 
import java.io.FileWriter; 
import java.io.IOException; 
import java.io.OutputStream; 
import java.io.OutputStreamWriter; 
import java.nio.Buffer; 
import java.nio.file.Files; 
import java.nio.file.Path; 
import java.nio.file.Paths; 
import java.nio.file.StandardOpenOption; 
import java.sql.Date; 
import java.text.SimpleDateFormat; 
import java.time.LocalDateTime; 
import java.util.ArrayList; 
import java.util.List; 
 
import javax.xml.validation.Schema; 
 
import org.apache.lucene.store.Directory; 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.barcode.*; 
import leadtools.codecs.*; 
import leadtools.pdf.*; 
import leadtools.svg.*; 
 
 
public void pdfDocumentExtractEmbeddedFilesExample() { 
   String inputFileName = "C:\\LEADTOOLS23\\Resources\\Images\\Leadtools.pdf"; 
   String outputDir = "C:\\LEADTOOLS23\\Bin"; 
   // Load the source document 
   PDFDocument pdfDocument = new PDFDocument(inputFileName); 
   if (!pdfDocument.hasEmbeddedFiles()) { 
      System.out.println("PDF does not have embedded files"); 
      // No embedded files 
      pdfDocument.dispose(); 
      return; 
   } 
 
   // Read the attachments 
   pdfDocument.parseDocumentStructure(PDFParseDocumentStructureOptions.EMBEDDED_FILES.getValue()); 
 
   File directory = new File(String.valueOf(outputDir)); 
   if (!directory.exists()) 
      directory.mkdir(); 
 
   for (PDFEmbeddedFile embeddedFile : pdfDocument.getEmbeddedFiles()) { 
      // Show this file information 
      System.out.println("Number:" + embeddedFile.getFileNumber()); 
      System.out.println("FileName:" + embeddedFile.getFileName()); 
      System.out.println("FileSize:" + embeddedFile.getFileSize()); 
      System.out.println("Description:" + embeddedFile.getDescription()); 
      System.out.println("Created:" + embeddedFile.getCreated()); 
      System.out.println("Modified:" + embeddedFile.getModified()); 
 
      // Extract this attachment to the output directory 
      // Note: FileName of an embedded file is not guaranteed to be unique, therefore, 
      // we will append 
      // the file number which is unique to the output name 
      String outputFileName = embeddedFile.getFileNumber() + "-" + embeddedFile.getFileName(); 
      System.out.println(" Extracting to " + outputFileName); 
      outputFileName = combine(outputDir, outputFileName); 
      PDFFile.extractEmbeddedFile(inputFileName, pdfDocument.getPassword(), embeddedFile.getFileNumber(), 
            outputFileName); 
   } 
 
   pdfDocument.dispose(); 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Pdf Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.