46 lines
1.8 KiB
Java
46 lines
1.8 KiB
Java
package eu.eudat.logic.utilities.documents.pdf;
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import eu.eudat.logic.utilities.documents.helpers.FileEnvelope;
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import org.springframework.core.env.Environment;
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import org.springframework.core.io.FileSystemResource;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.web.client.RestTemplate;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.util.UUID;
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public class PDFUtils {
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public static File convertToPDF(FileEnvelope file, Environment environment) throws IOException {
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LinkedMultiValueMap<String, Object> map = new LinkedMultiValueMap<>();
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String uuid = UUID.randomUUID().toString();
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map.add("files", new FileSystemResource(file.getFile()));
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map.add("filename", uuid + ".pdf");
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.MULTIPART_FORM_DATA);
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headers.add("Content-disposition", "attachment; filename=" + uuid + ".pdf");
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headers.add("Content-type", "application/pdf");
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HttpEntity<LinkedMultiValueMap<String, Object>> requestEntity = new HttpEntity<LinkedMultiValueMap<String, Object>>(
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map, headers);
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byte[] queueResult = new RestTemplate().postForObject(environment.getProperty("pdf.converter.url") + "forms/libreoffice/convert"
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, requestEntity, byte[].class);
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File resultPdf = new File(environment.getProperty("temp.temp") + uuid + ".pdf");
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FileOutputStream output = new FileOutputStream(resultPdf);
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output.write(queueResult);
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output.flush();
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output.close();
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Files.deleteIfExists(file.getFile().toPath());
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return resultPdf;
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}
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}
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