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April 1, 2026 05:51
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How to Perform DWT to PDF Conversion using Rest in Java
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| import com.aspose.cad.cloud.ApiException; | |
| import com.aspose.cad.cloud.api.CadApi; | |
| import com.aspose.cad.cloud.model.*; | |
| import com.aspose.cad.cloud.Configuration; | |
| import java.io.File; | |
| import java.nio.file.Files; | |
| import java.nio.file.Paths; | |
| public class DwtToPdfConverter { | |
| public static void main(String[] args) { | |
| // 1. Initialize API client | |
| Configuration config = new Configuration(); | |
| config.setClientId("YOUR_CLIENT_ID"); | |
| config.setClientSecret("YOUR_CLIENT_SECRET"); | |
| config.setBaseUrl("https://api.aspose.cloud"); | |
| config.setDebug(true); // Enable logging for troubleshooting | |
| CadApi cadApi = new CadApi(config); | |
| // 2. Define input and output paths | |
| String localDwtPath = "C:/cad-files/sample.dwt"; | |
| String remoteDwtPath = "sample.dwt"; | |
| String remotePdfPath = "sample.pdf"; | |
| try { | |
| // 3. Upload DWT file to cloud storage | |
| byte[] dwtBytes = Files.readAllBytes(Paths.get(localDwtPath)); | |
| cadApi.uploadFile(remoteDwtPath, dwtBytes); | |
| // 4. Set conversion options (optional) | |
| PdfExportOptions pdfOptions = new PdfExportOptions(); | |
| pdfOptions.setDpi(300); // High‑resolution output | |
| pdfOptions.setCompress(true); | |
| // 5. Perform conversion | |
| cadApi.convertDocument( | |
| new ConvertDocumentRequest( | |
| remoteDwtPath, | |
| "pdf", | |
| pdfOptions, | |
| null, // storage name (null = default) | |
| null // folder (null = root) | |
| ) | |
| ); | |
| // 6. Download the resulting PDF | |
| byte[] pdfBytes = cadApi.downloadFile(remotePdfPath); | |
| Files.write(Paths.get("C:/cad-files/sample_converted.pdf"), pdfBytes); | |
| System.out.println("Conversion successful! PDF saved to sample_converted.pdf"); | |
| } catch (ApiException e) { | |
| System.err.println("API error: " + e.getResponseBody()); | |
| } catch (Exception ex) { | |
| ex.printStackTrace(); | |
| } | |
| } | |
| } |
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