Extract Pages from PDF in Java - Separate PDF Pages Online

Download_Separate_PDF_File_into_Individual_Pages_in_Java.java

package com.groupdocsdev.classes;

import java.io.File;
import com.groupdocs.cloud.merger.client.*;
import com.groupdocs.cloud.merger.model.requests.*;
import com.groupdocs.cloud.merger.api.*;
import com.groupdocs.cloud.merger.client.ApiException;

// Download File from the Cloud Storage using Java
public class App {

	public static void main(String[] args) {

		FileApi apiInstance = new FileApi(configuration);
		try {

			DownloadFileRequest request = new DownloadFileRequest("java-testing\\multipage-documents\\output-sample-file.pdf", MyStorage, null);
			File response = apiInstance.downloadFile(request);
			System.out.println("Expected response type is downloadFile: " + response.length());
		} catch (ApiException e) {
			System.err.println("Exception while calling FileApi:");
			e.printStackTrace();
		}
	}
}

Extract_Certain_Pages_from_PDF_by_Number_in_Java.java

package com.groupdocsdev.classes;

import java.util.Arrays;
import com.groupdocs.cloud.merger.client.*;
import com.groupdocs.cloud.merger.model.*;
import com.groupdocs.cloud.merger.model.requests.*;
import com.groupdocs.cloud.merger.api.*;
import com.groupdocs.cloud.merger.client.ApiException;

// How to extract PDF pages by Exact page numbers in Java.
public class App {

	public static void main(String[] args) {

		// Create an instance of the Pages API.			
		PagesApi apiInstance = new PagesApi(configuration);

		try {

			// Prepare the settings
			FileInfo fileInfo = new FileInfo();			
			fileInfo.setFilePath("java-testing/input-sample-file.pdf");

			ExtractOptions options = new ExtractOptions();
			options.setFileInfo(fileInfo);
			options.setOutputPath("java-testing/output-sample-file.pdf");
			options.setPages(Arrays.asList(3, 5, 7));

			ExtractRequest request = new ExtractRequest(options);

			DocumentResult response = apiInstance.extract(request);
			
			// Get output file path
			System.out.println("Output file path: " + response.getPath());
			
		} catch (ApiException e) {
			System.err.println("Exception while calling FileApi:");
			e.printStackTrace();
		}
		
	}
}

Extract_Specific_Pages_from_PDF_by_Range_in_Java.java

package com.groupdocsdev.classes;

import java.util.Arrays;
import com.groupdocs.cloud.merger.client.*;
import com.groupdocs.cloud.merger.model.*;
import com.groupdocs.cloud.merger.model.requests.*;
import com.groupdocs.cloud.merger.api.*;
import com.groupdocs.cloud.merger.client.ApiException;

// How to extract pages from PDF by page ranges using Java.
public class App {

	public static void main(String[] args) {
		
		// Create an instance of the Pages API.		
		PagesApi apiInstance = new PagesApi(configuration);

		try {

			// Prepare the settings
			FileInfo fileInfo = new FileInfo();			
			fileInfo.setFilePath("java-testing/input-sample-file.pdf");

			ExtractOptions options = new ExtractOptions();
			options.setFileInfo(fileInfo);
			options.setOutputPath("java-testing/output-sample-file.pdf");
			options.setStartPageNumber(1);
			options.setEndPageNumber(10);
			options.setRangeMode(PageOptions.RangeModeEnum.EVENPAGES);

			ExtractRequest request = new ExtractRequest(options);

			DocumentResult response = apiInstance.extract(request);
			
			// Get output file path
			System.out.println("Output file path: " + response.getPath());
			
		} catch (ApiException e) {
			System.err.println("Exception while calling FileApi:");
			e.printStackTrace();
		}
		
	}
}

Java-Extract_PDF_Pages_to_new_PDF-using-REST-API.md

Separating PDF files into multiple pages online programmatically in Java on the cloud. In this article, you will learn how to extract pages from PDF in Java - separate PDF pages online.

The following topics shall be covered in this article:

1. Java PDF Pages Extractor REST API and SDK Installation
2. How to Extract PDF Pages by Exact Page Numbers in Java
3. How to Extract Pages from PDF by Page Ranges using Java

Upload_to_Separate_PDF_into_Individual_Pages_in_Java.java

package com.groupdocsdev.classes;

import java.io.File;
import com.groupdocs.cloud.merger.client.*;
import com.groupdocs.cloud.merger.model.*;
import com.groupdocs.cloud.merger.model.requests.*;
import com.groupdocs.cloud.merger.api.*;
import com.groupdocs.cloud.merger.client.ApiException;

// Upload file to the Cloud Storage using Java
public class App {

	public static void main(String[] args) {

		FileApi apiInstance = new FileApi(configuration);
		try {
			File fileStream = new File("H:\\groupdocs-cloud-data\\input-sample-file.pdf");
			UploadFileRequest request = new UploadFileRequest("java-testing\\input-sample-file.pdf", fileStream, MyStorage);
			FilesUploadResult response = apiInstance.uploadFile(request);
			System.out.println("Expected response type is FilesUploadResult: " + response.getUploaded().size());
		} catch (ApiException e) {
			System.err.println("Exception while calling FileApi:");
			e.printStackTrace();
		}
	}
}

Utils_to_Select_Pages_from_PDF_in_Java.java

# Get your client_id and client_secret from https://dashboard.groupdocs.cloud after registration.

String ClientId = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
String ClientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
String MyStorage = "test-internal-storage";
Configuration configuration = new Configuration(ClientId, ClientSecret);