formatting
This commit is contained in:
Anthony Stirling
@@ -16,46 +16,50 @@ import java.util.ArrayList;
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import java.util.List;
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import org.springframework.web.multipart.MultipartFile;
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public class GeneralUtils {
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public static void deleteDirectory(Path path) throws IOException {
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Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
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@Override
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public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
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Files.delete(file);
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return FileVisitResult.CONTINUE;
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}
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public static void deleteDirectory(Path path) throws IOException {
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Files.walkFileTree(
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path,
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new SimpleFileVisitor<Path>() {
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@Override
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public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
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throws IOException {
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Files.delete(file);
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return FileVisitResult.CONTINUE;
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}
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@Override
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public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
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Files.delete(dir);
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return FileVisitResult.CONTINUE;
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}
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});
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@Override
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public FileVisitResult postVisitDirectory(Path dir, IOException exc)
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throws IOException {
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Files.delete(dir);
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return FileVisitResult.CONTINUE;
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}
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});
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}
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public static String convertToFileName(String name) {
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public static String convertToFileName(String name) {
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String safeName = name.replaceAll("[^a-zA-Z0-9]", "_");
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if (safeName.length() > 50) {
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safeName = safeName.substring(0, 50);
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}
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return safeName;
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}
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public static boolean isValidURL(String urlStr) {
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try {
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new URL(urlStr);
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return true;
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} catch (MalformedURLException e) {
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return false;
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}
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}
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public static File multipartToFile(MultipartFile multipart) throws IOException {
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public static boolean isValidURL(String urlStr) {
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try {
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new URL(urlStr);
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return true;
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} catch (MalformedURLException e) {
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return false;
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}
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}
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public static File multipartToFile(MultipartFile multipart) throws IOException {
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Path tempFile = Files.createTempFile("overlay-", ".pdf");
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try (InputStream in = multipart.getInputStream();
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FileOutputStream out = new FileOutputStream(tempFile.toFile())) {
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try (InputStream in = multipart.getInputStream();
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FileOutputStream out = new FileOutputStream(tempFile.toFile())) {
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byte[] buffer = new byte[1024];
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int bytesRead;
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while ((bytesRead = in.read(buffer)) != -1) {
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@@ -64,110 +68,119 @@ public class GeneralUtils {
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}
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return tempFile.toFile();
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}
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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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// Assume MB if no unit is specified
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return (long) (Double.parseDouble(sizeStr) * 1024 * 1024);
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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> parsePageString(String pageOrder, int totalPages) {
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return parsePageList(pageOrder.split(","), totalPages);
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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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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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// 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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sizeStr = sizeStr.trim().toUpperCase();
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try {
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if (sizeStr.endsWith("KB")) {
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return (long)
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(Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
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} else if (sizeStr.endsWith("MB")) {
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return (long)
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(Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2))
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* 1024
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* 1024);
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} else if (sizeStr.endsWith("GB")) {
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return (long)
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(Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2))
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* 1024
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* 1024
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* 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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// Assume MB if no unit is specified
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return (long) (Double.parseDouble(sizeStr) * 1024 * 1024);
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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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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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return null;
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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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public static List<Integer> parsePageString(String pageOrder, int totalPages) {
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return parsePageList(pageOrder.split(","), totalPages);
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}
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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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public static List<Integer> parsePageList(String[] pageOrderArr, int totalPages) {
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List<Integer> newPageOrder = new ArrayList<>();
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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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// 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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} 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
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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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