我用PDFbox解析那個pdf document.It引發異常,說它找不到標題版本信息。任何想法?pdfbox標題版本信息錯誤
我認爲版本是1.3我看到它時,我把每個字節char。 鏈路方法和輸出的http://www.selab.isti.cnr.it/ws-mate/example.pdf
這裏代碼:
public String PDFtest(String textLink) throws IOException{
PDFParser parser;
String parsedText = null;
PDFTextStripper pdfStripper;
PDDocument pdDoc;
COSDocument cosDoc;
PDDocumentInformation pdDocInfo;
StringBuilder sd=new StringBuilder();
URL link;
try {
link = new URL(textLink);
URLConnection urlConn = link.openConnection();
BufferedInputStream in = null;
in = new BufferedInputStream(urlConn.getInputStream());
byte data[] = new byte[1024];
in.read(data, 0, 1024);
parser = new PDFParser(in);
parser.parse();
cosDoc = parser.getDocument();
pdfStripper = new PDFTextStripper();
pdDoc = new PDDocument(cosDoc);
parsedText = pdfStripper.getText(pdDoc);
} catch (MalformedURLException ex) {
Logger.getLogger(HTMLhelper.class.getName()).log(Level.SEVERE, null, ex);
}
catch (NumberFormatException e){
System.out.println("hata");
}
return parsedText;
}
例外:
Exception in thread "main" java.io.IOException: Error: Header doesn't contain versioninfo
at org.apache.pdfbox.pdfparser.PDFParser.parseHeader(PDFParser.java:317)
at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:173)
at ParsingMachine.HTMLhelper.PDFtest(HTMLhelper.java:99)
at ParsingMachine.tester.main(tester.java:18)
Java Result: 1
我用in.available更改了所有的1024個數據,但錯誤再次出現。每次運行程序時字節數組的大小都會改變 – user2638084
爲什麼在允許之前從'in'中讀取任何數據PDFBox解析流?根本不要! – mkl