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hopefully version 1.3

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This commit is contained in:
Jochen Staerk
2016-03-11 08:57:20 +01:00
parent df8839c785
commit 41dced0fab
3 changed files with 27 additions and 6 deletions
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21
mustang/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDExporter.java
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@@ -381,7 +381,13 @@ public class ZUGFeRDExporter {
return getA1ParserValidationResult(parser);
}
/***
* Will return a boolean if the inputstream is valid PDF/A-1 and close the input stream
* @param file
* @return
*/
public boolean isValidA1(InputStream file) {
ByteArrayDataSource fd;
try {
fd = new ByteArrayDataSource(file);
@@ -439,11 +445,22 @@ public class ZUGFeRDExporter {
public PDDocumentCatalog PDFmakeA3compliant(InputStream file,
String producer, String creator, boolean attachZugferdHeaders)
throws IOException, TransformerException {
/* cache the file content in memory, unfortunately the next step, isValidA1,
* will close the input stream but the step thereafter (loadPDFA3) needs
* and open one*/
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buf = new byte[1024];
int n = 0;
while ((n = file.read(buf)) >= 0)
baos.write(buf, 0, n);
byte[] content = baos.toByteArray();
if (!ignoreA1Errors && !isValidA1(file)) {
InputStream is1 = new ByteArrayInputStream(content);
if (!ignoreA1Errors && !isValidA1(is1)) {
throw new IOException("File is not a valid PDF/A-1 input file");
}
loadPDFA3(file);
InputStream is2 = new ByteArrayInputStream(content);
loadPDFA3(is2);
return makeDocPDFA3compliant(producer, creator, attachZugferdHeaders);
}