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Attachment of non-ZUGFeRD files is now supported.

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This commit is contained in:
Ivan Vaklinov
2014-11-06 18:23:32 +02:00
committed by Thomas Chojecki
parent e37083d5e8
commit 4d7d327240
1 changed files with 73 additions and 2 deletions
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75
mustang/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDExporter.java
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@@ -16,6 +16,7 @@ import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Map;
import javax.xml.transform.TransformerException;
@@ -33,6 +34,7 @@ import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
import org.apache.pdfbox.pdmodel.PDDocumentInformation;
import org.apache.pdfbox.pdmodel.PDDocumentNameDictionary;
import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
import org.apache.pdfbox.pdmodel.common.COSObjectable;
import org.apache.pdfbox.pdmodel.common.PDMetadata;
import org.apache.pdfbox.pdmodel.common.filespecification.PDComplexFileSpecification;
import org.apache.pdfbox.pdmodel.common.filespecification.PDEmbeddedFile;
@@ -63,8 +65,8 @@ public class ZUGFeRDExporter {
//// MAIN CLASS
private String conformanceLevel="U";
private String versionStr="1.0";
private String conformanceLevel = "U";
private String versionStr = "1.1";
// BASIC, COMFORT etc - may be set from outside.
private String ZUGFeRDConformanceLevel = null;
@@ -503,6 +505,75 @@ public class ZUGFeRDExporter {
}
/**
* Embeds an external file (generic - any type allowed) in the PDF.
*
* @param doc PDDocument to attach the file to.
* @param filename name of the file that will become attachment name in the PDF
* @param subType type of the data e.g. could be "text/xml" - mime like
* @param data the binary data of the file/attachment
*/
public void PDFAttachGenericFile(PDDocument doc, String filename, String subType, byte[] data)
throws IOException
{
PDComplexFileSpecification fs = new PDComplexFileSpecification();
fs.setFile(filename);
COSDictionary dict = fs.getCOSDictionary();
dict.setName("AFRelationship", "Alternative");
dict.setString("UF", filename);
ByteArrayInputStream fakeFile = new ByteArrayInputStream(data);
PDEmbeddedFile ef = new PDEmbeddedFile(doc, fakeFile);
ef.setSubtype(subType);
ef.setSize(data.length);
ef.setCreationDate(new GregorianCalendar());
ef.setModDate(GregorianCalendar.getInstance());
fs.setEmbeddedFile(ef);
// In addition make sure the embedded file is set under /UF
dict = fs.getCOSDictionary();
COSDictionary efDict = (COSDictionary)dict.getDictionaryObject(COSName.EF);
COSBase lowerLevelFile = efDict.getItem(COSName.F);
efDict.setItem(COSName.UF, lowerLevelFile);
// now add the entry to the embedded file tree and set in the document.
PDDocumentNameDictionary names = new PDDocumentNameDictionary(doc.getDocumentCatalog());
PDEmbeddedFilesNameTreeNode efTree = names.getEmbeddedFiles();
if (efTree == null)
{
efTree = new PDEmbeddedFilesNameTreeNode();
}
Map<String, COSObjectable> namesMap = new HashMap<String, COSObjectable>();
Map<String, COSObjectable> oldNamesMap = efTree.getNames();
if (oldNamesMap != null)
{
for (String key : oldNamesMap.keySet())
{
namesMap.put(key, oldNamesMap.get(key));
}
}
namesMap.put(filename, fs);
efTree.setNames(namesMap);
names.setEmbeddedFiles(efTree);
doc.getDocumentCatalog().setNames(names);
// AF entry (Array) in catalog with the FileSpec
COSArray cosArray = (COSArray)doc.getDocumentCatalog().getCOSDictionary().getItem("AF");
if (cosArray == null)
{
cosArray = new COSArray();
}
cosArray.add(fs);
doc.getDocumentCatalog().getCOSDictionary().setItem("AF", cosArray);
}
/**
* Sets the ZUGFeRD XML data to be attached as a single byte array. This is useful for
* use-cases where the XML has already been produced by some external API or component.