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add banner and remove unused class

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This commit is contained in:
Anthony Stirling 2023-12-29 21:46:17 +00:00
parent 232a556425
commit cbe4bca716
3 changed files with 6 additions and 131 deletions
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1
src/main/java/stirling/software/SPDF/config/AppConfig.java
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@ -51,7 +51,6 @@ public class AppConfig {
String appName = System.getProperty("rateLimit");
if (appName == null)
appName = System.getenv("rateLimit");
System.out.println("rateLimit=" + appName);
return (appName != null) ? Boolean.valueOf(appName) : false;
}

130
src/main/java/stirling/software/SPDF/controller/api/converters/ConvertEpubToPdf.java
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@ -1,130 +0,0 @@
package stirling.software.SPDF.controller.api.converters;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import io.swagger.v3.oas.annotations.Hidden;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import stirling.software.SPDF.model.api.GeneralFile;
import stirling.software.SPDF.utils.FileToPdf;
import stirling.software.SPDF.utils.WebResponseUtils;
@RestController
@RequestMapping("/api/v1/convert")
@Tag(name = "Convert", description = "Convert APIs")
public class ConvertEpubToPdf {
//TODO
@PostMapping(consumes = "multipart/form-data", value = "/epub-to-single-pdf")
@Hidden
@Operation(
summary = "Convert an EPUB file to a single PDF",
description = "This endpoint takes an EPUB file input and converts it to a single PDF."
)
public ResponseEntity<byte[]> epubToSinglePdf(
@ModelAttribute GeneralFile request)
throws Exception {
MultipartFile fileInput = request.getFileInput();
if (fileInput == null) {
throw new IllegalArgumentException("Please provide an EPUB file for conversion.");
}
String originalFilename = fileInput.getOriginalFilename();
if (originalFilename == null || !originalFilename.endsWith(".epub")) {
throw new IllegalArgumentException("File must be in .epub format.");
}
Map<String, byte[]> epubContents = extractEpubContent(fileInput);
List<String> htmlFilesOrder = getHtmlFilesOrderFromOpf(epubContents);
List<byte[]> individualPdfs = new ArrayList<>();
for (String htmlFile : htmlFilesOrder) {
byte[] htmlContent = epubContents.get(htmlFile);
byte[] pdfBytes = FileToPdf.convertHtmlToPdf(htmlContent, htmlFile.replace(".html", ".pdf"));
individualPdfs.add(pdfBytes);
}
// Pseudo-code to merge individual PDFs into one.
byte[] mergedPdfBytes = mergeMultiplePdfsIntoOne(individualPdfs);
return WebResponseUtils.bytesToWebResponse(mergedPdfBytes, originalFilename.replace(".epub", ".pdf"));
}
// Assuming a pseudo-code function that merges multiple PDFs into one.
private byte[] mergeMultiplePdfsIntoOne(List<byte[]> individualPdfs) {
// You can use a library such as PDFBox to perform the merging here.
// Return the byte[] of the merged PDF.
return null;
}
private Map<String, byte[]> extractEpubContent(MultipartFile fileInput) throws IOException {
Map<String, byte[]> contentMap = new HashMap<>();
try (ZipInputStream zis = new ZipInputStream(fileInput.getInputStream())) {
ZipEntry zipEntry = zis.getNextEntry();
while (zipEntry != null) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int read = 0;
while ((read = zis.read(buffer)) != -1) {
baos.write(buffer, 0, read);
}
contentMap.put(zipEntry.getName(), baos.toByteArray());
zipEntry = zis.getNextEntry();
}
}
return contentMap;
}
private List<String> getHtmlFilesOrderFromOpf(Map<String, byte[]> epubContents) throws Exception {
String opfContent = new String(epubContents.get("OEBPS/content.opf")); // Adjusting for given path
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
InputSource is = new InputSource(new StringReader(opfContent));
Document doc = dBuilder.parse(is);
NodeList itemRefs = doc.getElementsByTagName("itemref");
List<String> htmlFilesOrder = new ArrayList<>();
for (int i = 0; i < itemRefs.getLength(); i++) {
Element itemRef = (Element) itemRefs.item(i);
String idref = itemRef.getAttribute("idref");
NodeList items = doc.getElementsByTagName("item");
for (int j = 0; j < items.getLength(); j++) {
Element item = (Element) items.item(j);
if (idref.equals(item.getAttribute("id"))) {
htmlFilesOrder.add(item.getAttribute("href")); // Fetching the actual href
break;
}
}
}
return htmlFilesOrder;
}
}

6
src/main/resources/banner.txt Normal file
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@ -0,0 +1,6 @@
____ _____ ___ ____ _ ___ _ _ ____ ____ ____ _____
/ ___|_ _|_ _| _ \| | |_ _| \ | |/ ___| | _ \| _ \| ___|
\___ \ | | | || |_) | | | || \| | | _ _____| |_) | | | | |_
___) || | | || _ <| |___ | || |\ | |_| |_____| __/| |_| | _|
|____/ |_| |___|_| \_\_____|___|_| \_|\____| |_| |____/|_|
Powered by Spring Boot ${spring-boot.version}