filter
This commit is contained in:
Anthony Stirling
parent
9af1b0cfdc
commit
29aabdfba8
5 changed files with 302 additions and 249 deletions
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@ -22,68 +22,79 @@ import stirling.software.SPDF.utils.PdfUtils;
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import stirling.software.SPDF.utils.ProcessExecutor;
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import stirling.software.SPDF.utils.WebResponseUtils;
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import io.swagger.v3.oas.annotations.media.Schema;
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@RestController
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@Tag(name = "Filter", description = "Filter APIs")
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public class FilterController {
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@PostMapping(consumes = "multipart/form-data", value = "/contains-text")
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@PostMapping(consumes = "multipart/form-data", value = "/filter-contains-text")
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@Operation(summary = "Checks if a PDF contains set text, returns true if does", description = "Input:PDF Output:Boolean Type:SISO")
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public Boolean containsText(
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public ResponseEntity<byte[]> containsText(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true) MultipartFile inputFile,
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@Parameter(description = "The text to check for", required = true) String text,
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@Parameter(description = "The page number to check for text on accepts 'All', ranges like '1-4'", required = false) String pageNumber)
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throws IOException, InterruptedException {
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PDDocument pdfDocument = PDDocument.load(inputFile.getInputStream());
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return PdfUtils.hasText(pdfDocument, pageNumber);
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if (PdfUtils.hasText(pdfDocument, pageNumber, text))
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return WebResponseUtils.pdfDocToWebResponse(pdfDocument, inputFile.getOriginalFilename());
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return null;
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}
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//TODO
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@PostMapping(consumes = "multipart/form-data", value = "/contains-image")
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// TODO
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@PostMapping(consumes = "multipart/form-data", value = "/filter-contains-image")
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@Operation(summary = "Checks if a PDF contains an image", description = "Input:PDF Output:Boolean Type:SISO")
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public Boolean containsImage(
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public ResponseEntity<byte[]> containsImage(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true) MultipartFile inputFile,
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@Parameter(description = "The page number to check for image on accepts 'All', ranges like '1-4'", required = false) String pageNumber)
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throws IOException, InterruptedException {
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PDDocument pdfDocument = PDDocument.load(inputFile.getInputStream());
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return PdfUtils.hasImagesOnPage(null);
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if (PdfUtils.hasImages(pdfDocument, pageNumber))
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return WebResponseUtils.pdfDocToWebResponse(pdfDocument, inputFile.getOriginalFilename());
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return null;
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}
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@PostMapping(consumes = "multipart/form-data", value = "/page-count")
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@PostMapping(consumes = "multipart/form-data", value = "/filter-page-count")
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@Operation(summary = "Checks if a PDF is greater, less or equal to a setPageCount", description = "Input:PDF Output:Boolean Type:SISO")
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public Boolean pageCount(
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public ResponseEntity<byte[]> pageCount(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
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@Parameter(description = "Page Count", required = true) String pageCount,
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@Parameter(description = "Comparison type",
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schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than",
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allowableValues = {"Greater", "Equal", "Less"})) String comparator)
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@Parameter(description = "Comparison type", schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than", allowableValues = {
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"Greater", "Equal", "Less" })) String comparator)
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throws IOException, InterruptedException {
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// Load the PDF
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PDDocument document = PDDocument.load(inputFile.getInputStream());
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int actualPageCount = document.getNumberOfPages();
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boolean valid = false;
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// Perform the comparison
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switch (comparator) {
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case "Greater":
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return actualPageCount > Integer.parseInt(pageCount);
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valid = actualPageCount > Integer.parseInt(pageCount);
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break;
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case "Equal":
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return actualPageCount == Integer.parseInt(pageCount);
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valid = actualPageCount == Integer.parseInt(pageCount);
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break;
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case "Less":
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return actualPageCount < Integer.parseInt(pageCount);
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valid = actualPageCount < Integer.parseInt(pageCount);
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break;
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default:
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throw new IllegalArgumentException("Invalid comparator: " + comparator);
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}
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if (valid)
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return WebResponseUtils.multiPartFileToWebResponse(inputFile);
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return null;
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}
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@PostMapping(consumes = "multipart/form-data", value = "/page-size")
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@PostMapping(consumes = "multipart/form-data", value = "/filter-page-size")
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@Operation(summary = "Checks if a PDF is of a certain size", description = "Input:PDF Output:Boolean Type:SISO")
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public Boolean pageSize(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
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@Parameter(description = "Standard Page Size", required = true) String standardPageSize,
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@Parameter(description = "Comparison type",
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schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than",
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allowableValues = {"Greater", "Equal", "Less"})) String comparator)
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throws IOException, InterruptedException {
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public ResponseEntity<byte[]> pageSize(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
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@Parameter(description = "Standard Page Size", required = true) String standardPageSize,
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@Parameter(description = "Comparison type", schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than", allowableValues = {
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"Greater", "Equal", "Less" })) String comparator)
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throws IOException, InterruptedException {
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// Load the PDF
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PDDocument document = PDDocument.load(inputFile.getInputStream());
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@ -97,75 +108,95 @@ public class FilterController {
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PDRectangle standardSize = PdfUtils.textToPageSize(standardPageSize);
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float standardArea = standardSize.getWidth() * standardSize.getHeight();
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boolean valid = false;
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// Perform the comparison
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switch (comparator) {
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case "Greater":
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return actualArea > standardArea;
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valid = actualArea > standardArea;
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break;
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case "Equal":
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return actualArea == standardArea;
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valid = actualArea == standardArea;
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break;
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case "Less":
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return actualArea < standardArea;
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valid = actualArea < standardArea;
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break;
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default:
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throw new IllegalArgumentException("Invalid comparator: " + comparator);
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}
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}
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@PostMapping(consumes = "multipart/form-data", value = "/file-size")
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if (valid)
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return WebResponseUtils.multiPartFileToWebResponse(inputFile);
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return null;
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}
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@PostMapping(consumes = "multipart/form-data", value = "/filter-file-size")
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@Operation(summary = "Checks if a PDF is a set file size", description = "Input:PDF Output:Boolean Type:SISO")
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public Boolean fileSize(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
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@Parameter(description = "File Size", required = true) String fileSize,
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@Parameter(description = "Comparison type",
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schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than",
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allowableValues = {"Greater", "Equal", "Less"})) String comparator)
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throws IOException, InterruptedException {
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public ResponseEntity<byte[]> fileSize(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
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@Parameter(description = "File Size", required = true) String fileSize,
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@Parameter(description = "Comparison type", schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than", allowableValues = {
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"Greater", "Equal", "Less" })) String comparator)
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throws IOException, InterruptedException {
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// Get the file size
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long actualFileSize = inputFile.getSize();
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boolean valid = false;
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// Perform the comparison
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switch (comparator) {
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case "Greater":
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return actualFileSize > Long.parseLong(fileSize);
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valid = actualFileSize > Long.parseLong(fileSize);
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break;
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case "Equal":
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return actualFileSize == Long.parseLong(fileSize);
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valid = actualFileSize == Long.parseLong(fileSize);
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break;
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case "Less":
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return actualFileSize < Long.parseLong(fileSize);
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valid = actualFileSize < Long.parseLong(fileSize);
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break;
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default:
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throw new IllegalArgumentException("Invalid comparator: " + comparator);
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}
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if (valid)
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return WebResponseUtils.multiPartFileToWebResponse(inputFile);
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return null;
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}
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@PostMapping(consumes = "multipart/form-data", value = "/page-rotation")
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@PostMapping(consumes = "multipart/form-data", value = "/filter-page-rotation")
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@Operation(summary = "Checks if a PDF is of a certain rotation", description = "Input:PDF Output:Boolean Type:SISO")
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public Boolean pageRotation(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
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@Parameter(description = "Rotation in degrees", required = true) int rotation,
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@Parameter(description = "Comparison type",
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schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than",
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allowableValues = {"Greater", "Equal", "Less"})) String comparator)
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throws IOException, InterruptedException {
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public ResponseEntity<byte[]> pageRotation(
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@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
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@Parameter(description = "Rotation in degrees", required = true) int rotation,
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@Parameter(description = "Comparison type", schema = @Schema(description = "The comparison type, accepts Greater, Equal, Less than", allowableValues = {
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"Greater", "Equal", "Less" })) String comparator)
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throws IOException, InterruptedException {
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// Load the PDF
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PDDocument document = PDDocument.load(inputFile.getInputStream());
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// Get the rotation of the first page
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PDPage firstPage = document.getPage(0);
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int actualRotation = firstPage.getRotation();
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boolean valid = false;
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// Perform the comparison
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switch (comparator) {
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case "Greater":
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return actualRotation > rotation;
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valid = actualRotation > rotation;
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break;
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case "Equal":
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return actualRotation == rotation;
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valid = actualRotation == rotation;
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break;
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case "Less":
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return actualRotation < rotation;
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valid = actualRotation < rotation;
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break;
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default:
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throw new IllegalArgumentException("Invalid comparator: " + comparator);
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}
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if (valid)
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return WebResponseUtils.multiPartFileToWebResponse(inputFile);
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return null;
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}
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}
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@ -292,12 +292,18 @@ public class PipelineController {
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ResponseEntity<byte[]> response = restTemplate.exchange(url, HttpMethod.POST, entity, byte[].class);
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// If the operation is filter and the response body is null or empty, skip this file
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if (operation.startsWith("filter-") && (response.getBody() == null || response.getBody().length == 0)) {
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logger.info("Skipping file due to failing {}", operation);
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continue;
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}
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if (!response.getStatusCode().equals(HttpStatus.OK)) {
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logPrintStream.println("Error: " + response.getBody());
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hasErrors = true;
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continue;
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}
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// Define filename
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String filename;
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@ -1,107 +1,113 @@
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package stirling.software.SPDF.utils;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.List;
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public class GeneralUtils {
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public static Long convertSizeToBytes(String sizeStr) {
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if (sizeStr == null) {
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return null;
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}
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sizeStr = sizeStr.trim().toUpperCase();
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try {
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if (sizeStr.endsWith("KB")) {
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return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
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} else if (sizeStr.endsWith("MB")) {
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return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024);
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} else if (sizeStr.endsWith("GB")) {
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return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024 * 1024);
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} else if (sizeStr.endsWith("B")) {
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return Long.parseLong(sizeStr.substring(0, sizeStr.length() - 1));
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} else {
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// Input string does not have a valid format, handle this case
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}
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} catch (NumberFormatException e) {
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// The numeric part of the input string cannot be parsed, handle this case
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}
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return null;
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}
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public static List<Integer> parsePageList(String[] pageOrderArr, int totalPages) {
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List<Integer> newPageOrder = new ArrayList<>();
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// loop through the page order array
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for (String element : pageOrderArr) {
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// check if the element contains a range of pages
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if (element.matches("\\d*n\\+?-?\\d*|\\d*\\+?n")) {
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// Handle page order as a function
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int coefficient = 0;
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int constant = 0;
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boolean coefficientExists = false;
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boolean constantExists = false;
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if (element.contains("n")) {
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String[] parts = element.split("n");
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if (!parts[0].equals("") && parts[0] != null) {
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coefficient = Integer.parseInt(parts[0]);
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coefficientExists = true;
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}
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if (parts.length > 1 && !parts[1].equals("") && parts[1] != null) {
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constant = Integer.parseInt(parts[1]);
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constantExists = true;
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}
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} else if (element.contains("+")) {
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constant = Integer.parseInt(element.replace("+", ""));
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constantExists = true;
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}
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for (int i = 1; i <= totalPages; i++) {
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int pageNum = coefficientExists ? coefficient * i : i;
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pageNum += constantExists ? constant : 0;
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if (pageNum <= totalPages && pageNum > 0) {
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newPageOrder.add(pageNum - 1);
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}
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}
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} else if (element.contains("-")) {
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// split the range into start and end page
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String[] range = element.split("-");
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int start = Integer.parseInt(range[0]);
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int end = Integer.parseInt(range[1]);
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// check if the end page is greater than total pages
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if (end > totalPages) {
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end = totalPages;
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}
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// loop through the range of pages
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for (int j = start; j <= end; j++) {
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// print the current index
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newPageOrder.add(j - 1);
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}
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} else {
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// if the element is a single page
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newPageOrder.add(Integer.parseInt(element) - 1);
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}
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}
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return newPageOrder;
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}
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public static boolean createDir(String path) {
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Path folder = Paths.get(path);
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if (!Files.exists(folder)) {
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try {
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Files.createDirectories(folder);
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} catch (IOException e) {
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e.printStackTrace();
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return false;
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}
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}
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return true;
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}
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}
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package stirling.software.SPDF.utils;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.List;
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public class GeneralUtils {
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public static Long convertSizeToBytes(String sizeStr) {
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if (sizeStr == null) {
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return null;
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}
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sizeStr = sizeStr.trim().toUpperCase();
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try {
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if (sizeStr.endsWith("KB")) {
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return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
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} else if (sizeStr.endsWith("MB")) {
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return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024);
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} else if (sizeStr.endsWith("GB")) {
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return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024 * 1024);
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} else if (sizeStr.endsWith("B")) {
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return Long.parseLong(sizeStr.substring(0, sizeStr.length() - 1));
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} else {
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// Input string does not have a valid format, handle this case
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}
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} catch (NumberFormatException e) {
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// The numeric part of the input string cannot be parsed, handle this case
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}
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return null;
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}
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public static List<Integer> parsePageList(String[] pageOrderArr, int totalPages) {
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List<Integer> newPageOrder = new ArrayList<>();
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// loop through the page order array
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for (String element : pageOrderArr) {
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if (element.equalsIgnoreCase("all")) {
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for (int i = 0; i < totalPages; i++) {
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newPageOrder.add(i);
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}
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// As all pages are already added, no need to check further
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break;
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}
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else if (element.matches("\\d*n\\+?-?\\d*|\\d*\\+?n")) {
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// Handle page order as a function
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int coefficient = 0;
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int constant = 0;
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boolean coefficientExists = false;
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boolean constantExists = false;
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if (element.contains("n")) {
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String[] parts = element.split("n");
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if (!parts[0].equals("") && parts[0] != null) {
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coefficient = Integer.parseInt(parts[0]);
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coefficientExists = true;
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}
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if (parts.length > 1 && !parts[1].equals("") && parts[1] != null) {
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constant = Integer.parseInt(parts[1]);
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constantExists = true;
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}
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} else if (element.contains("+")) {
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constant = Integer.parseInt(element.replace("+", ""));
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constantExists = true;
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}
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for (int i = 1; i <= totalPages; i++) {
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int pageNum = coefficientExists ? coefficient * i : i;
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pageNum += constantExists ? constant : 0;
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if (pageNum <= totalPages && pageNum > 0) {
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newPageOrder.add(pageNum - 1);
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}
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}
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} else if (element.contains("-")) {
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// split the range into start and end page
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String[] range = element.split("-");
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int start = Integer.parseInt(range[0]);
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int end = Integer.parseInt(range[1]);
|
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// check if the end page is greater than total pages
|
||||
if (end > totalPages) {
|
||||
end = totalPages;
|
||||
}
|
||||
// loop through the range of pages
|
||||
for (int j = start; j <= end; j++) {
|
||||
// print the current index
|
||||
newPageOrder.add(j - 1);
|
||||
}
|
||||
} else {
|
||||
// if the element is a single page
|
||||
newPageOrder.add(Integer.parseInt(element) - 1);
|
||||
}
|
||||
}
|
||||
|
||||
return newPageOrder;
|
||||
}
|
||||
public static boolean createDir(String path) {
|
||||
Path folder = Paths.get(path);
|
||||
if (!Files.exists(folder)) {
|
||||
try {
|
||||
Files.createDirectories(folder);
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -68,43 +68,37 @@ public class PdfUtils {
|
|||
}
|
||||
}
|
||||
|
||||
public boolean hasImageInFile(PDDocument pdfDocument, String text, String pagesToCheck) throws IOException {
|
||||
PDFTextStripper textStripper = new PDFTextStripper();
|
||||
String pdfText = "";
|
||||
|
||||
if(pagesToCheck == null || pagesToCheck.equals("all")) {
|
||||
pdfText = textStripper.getText(pdfDocument);
|
||||
} else {
|
||||
// remove whitespaces
|
||||
pagesToCheck = pagesToCheck.replaceAll("\\s+", "");
|
||||
|
||||
|
||||
public static boolean hasImages(PDDocument document, String pagesToCheck) throws IOException {
|
||||
String[] pageOrderArr = pagesToCheck.split(",");
|
||||
List<Integer> pageList = GeneralUtils.parsePageList(pageOrderArr, document.getNumberOfPages());
|
||||
|
||||
String[] splitPoints = pagesToCheck.split(",");
|
||||
for (String splitPoint : splitPoints) {
|
||||
if (splitPoint.contains("-")) {
|
||||
// Handle page ranges
|
||||
String[] range = splitPoint.split("-");
|
||||
int startPage = Integer.parseInt(range[0]);
|
||||
int endPage = Integer.parseInt(range[1]);
|
||||
|
||||
for (int i = startPage; i <= endPage; i++) {
|
||||
textStripper.setStartPage(i);
|
||||
textStripper.setEndPage(i);
|
||||
pdfText += textStripper.getText(pdfDocument);
|
||||
}
|
||||
} else {
|
||||
// Handle individual page
|
||||
int page = Integer.parseInt(splitPoint);
|
||||
textStripper.setStartPage(page);
|
||||
textStripper.setEndPage(page);
|
||||
pdfText += textStripper.getText(pdfDocument);
|
||||
}
|
||||
for (int pageNumber : pageList) {
|
||||
PDPage page = document.getPage(pageNumber);
|
||||
if (hasImagesOnPage(page)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
pdfDocument.close();
|
||||
|
||||
return pdfText.contains(text);
|
||||
return false;
|
||||
}
|
||||
|
||||
public static boolean hasText(PDDocument document, String pageNumbersToCheck, String phrase) throws IOException {
|
||||
String[] pageOrderArr = pageNumbersToCheck.split(",");
|
||||
List<Integer> pageList = GeneralUtils.parsePageList(pageOrderArr, document.getNumberOfPages());
|
||||
|
||||
for (int pageNumber : pageList) {
|
||||
PDPage page = document.getPage(pageNumber);
|
||||
if (hasTextOnPage(page, phrase)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
public static boolean hasImagesOnPage(PDPage page) throws IOException {
|
||||
ImageFinder imageFinder = new ImageFinder(page);
|
||||
|
|
@ -113,12 +107,17 @@ public class PdfUtils {
|
|||
}
|
||||
|
||||
|
||||
public static boolean hasText(PDDocument document, String phrase) throws IOException {
|
||||
PDFTextStripper pdfStripper = new PDFTextStripper();
|
||||
String text = pdfStripper.getText(document);
|
||||
return text.contains(phrase);
|
||||
}
|
||||
|
||||
|
||||
public static boolean hasTextOnPage(PDPage page, String phrase) throws IOException {
|
||||
PDFTextStripper textStripper = new PDFTextStripper();
|
||||
PDDocument tempDoc = new PDDocument();
|
||||
tempDoc.addPage(page);
|
||||
String pageText = textStripper.getText(tempDoc);
|
||||
tempDoc.close();
|
||||
return pageText.contains(phrase);
|
||||
}
|
||||
|
||||
|
||||
public boolean containsTextInFile(PDDocument pdfDocument, String text, String pagesToCheck) throws IOException {
|
||||
PDFTextStripper textStripper = new PDFTextStripper();
|
||||
|
|
|
|||
|
|
@ -1,50 +1,61 @@
|
|||
package stirling.software.SPDF.utils;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.net.URLEncoder;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
|
||||
import org.apache.pdfbox.pdmodel.PDDocument;
|
||||
import org.springframework.http.HttpHeaders;
|
||||
import org.springframework.http.HttpStatus;
|
||||
import org.springframework.http.MediaType;
|
||||
import org.springframework.http.ResponseEntity;
|
||||
|
||||
public class WebResponseUtils {
|
||||
|
||||
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName) throws IOException {
|
||||
return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), docName);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName, MediaType mediaType) throws IOException {
|
||||
return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), docName, mediaType);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName, MediaType mediaType) throws IOException {
|
||||
|
||||
// Return the PDF as a response
|
||||
HttpHeaders headers = new HttpHeaders();
|
||||
headers.setContentType(mediaType);
|
||||
headers.setContentLength(bytes.length);
|
||||
String encodedDocName = URLEncoder.encode(docName, StandardCharsets.UTF_8.toString()).replaceAll("\\+", "%20");
|
||||
headers.setContentDispositionFormData("attachment", encodedDocName);
|
||||
return new ResponseEntity<>(bytes, headers, HttpStatus.OK);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName) throws IOException {
|
||||
return bytesToWebResponse(bytes, docName, MediaType.APPLICATION_PDF);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> pdfDocToWebResponse(PDDocument document, String docName) throws IOException {
|
||||
|
||||
// Open Byte Array and save document to it
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
document.save(baos);
|
||||
// Close the document
|
||||
document.close();
|
||||
|
||||
return boasToWebResponse(baos, docName);
|
||||
}
|
||||
|
||||
}
|
||||
package stirling.software.SPDF.utils;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.net.URLEncoder;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
|
||||
import org.apache.pdfbox.pdmodel.PDDocument;
|
||||
import org.springframework.http.HttpHeaders;
|
||||
import org.springframework.http.HttpStatus;
|
||||
import org.springframework.http.MediaType;
|
||||
import org.springframework.http.ResponseEntity;
|
||||
import org.springframework.web.multipart.MultipartFile;
|
||||
|
||||
public class WebResponseUtils {
|
||||
|
||||
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName) throws IOException {
|
||||
return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), docName);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> boasToWebResponse(ByteArrayOutputStream baos, String docName, MediaType mediaType) throws IOException {
|
||||
return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), docName, mediaType);
|
||||
}
|
||||
|
||||
|
||||
public static ResponseEntity<byte[]> multiPartFileToWebResponse(MultipartFile file) throws IOException {
|
||||
String fileName = file.getOriginalFilename();
|
||||
MediaType mediaType = MediaType.parseMediaType(file.getContentType());
|
||||
|
||||
byte[] bytes = file.getBytes();
|
||||
|
||||
return bytesToWebResponse(bytes, fileName, mediaType);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName, MediaType mediaType) throws IOException {
|
||||
|
||||
// Return the PDF as a response
|
||||
HttpHeaders headers = new HttpHeaders();
|
||||
headers.setContentType(mediaType);
|
||||
headers.setContentLength(bytes.length);
|
||||
String encodedDocName = URLEncoder.encode(docName, StandardCharsets.UTF_8.toString()).replaceAll("\\+", "%20");
|
||||
headers.setContentDispositionFormData("attachment", encodedDocName);
|
||||
return new ResponseEntity<>(bytes, headers, HttpStatus.OK);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> bytesToWebResponse(byte[] bytes, String docName) throws IOException {
|
||||
return bytesToWebResponse(bytes, docName, MediaType.APPLICATION_PDF);
|
||||
}
|
||||
|
||||
public static ResponseEntity<byte[]> pdfDocToWebResponse(PDDocument document, String docName) throws IOException {
|
||||
|
||||
// Open Byte Array and save document to it
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
document.save(baos);
|
||||
// Close the document
|
||||
document.close();
|
||||
|
||||
return boasToWebResponse(baos, docName);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue