private OpcPackage process(HashMap<String, ByteArray> partByteArrays) throws Docx4JException {
long startTime = System.currentTimeMillis();
// 2. Create a new Package
// Eventually, you'll also be able to create an Excel package etc
// but only the WordML package exists at present
ContentTypeManager ctm = new ContentTypeManager();
try {
InputStream is = getInputStreamFromZippedPart(partByteArrays, "[Content_Types].xml");
ctm.parseContentTypesFile(is);
} catch (IOException e) {
throw new Docx4JException("Couldn't get [Content_Types].xml from ZipFile", e);
} catch (NullPointerException e) {
throw new Docx4JException("Couldn't get [Content_Types].xml from ZipFile", e);
}
// .. now find the name of the main part
String partName = "_rels/.rels";
RelationshipsPart rp = getRelationshipsPartFromZip(null, partByteArrays, partName);
if (rp == null) {
throw new Docx4JException("_rels/.rels appears to be missing from this package!");
}
String mainPartName = PackageRelsUtil.getNameOfMainPart(rp);
String pkgContentType = ctm.getContentType(new PartName("/" + mainPartName));
// 2. Create a new Package; this'll return the appropriate subclass
OpcPackage p = ctm.createPackage(pkgContentType);
log.info("Instantiated package of type " + p.getClass().getName());
p.setRelationships(rp);
rp.setSourceP(p); //
// 5. Now recursively
// (i) create new Parts for each thing listed
// in the relationships
// (ii) add the new Part to the package
// (iii) cross the PartName off unusedZipEntries
addPartsFromRelationships(partByteArrays, p, rp, ctm);
// 6. Check unusedZipEntries is empty
// if (log.isDebugEnabled()) {
// Iterator myVeryOwnIterator = unusedZipEntries.keySet().iterator();
// while(myVeryOwnIterator.hasNext()) {
// String key = (String)myVeryOwnIterator.next();
// log.info( key + " " + unusedZipEntries.get(key));
// }
// }
registerCustomXmlDataStorageParts(p);
long endTime = System.currentTimeMillis();
log.info("package read; elapsed time: " + Math.round((endTime - startTime)) + " ms");
return p;
}
private RelationshipsPart getRelationshipsPartFromZip(Base p, ZipFile zf, String partName)
throws Docx4JException {
// Document contents = null;
// try {
// contents = getDocumentFromZippedPart( zf, partName);
// } catch (Exception e) {
// e.printStackTrace();
// throw new Docx4JException("Error getting document from Zipped Part", e);
//
// }
// // debugPrint(contents);
// // TODO - why don't any of the part names in this document start with "/"?
// return new RelationshipsPart( p, new PartName("/" + partName), contents );
RelationshipsPart rp = null;
InputStream is = null;
try {
is = getInputStreamFromZippedPart(zf, partName);
// thePart = new RelationshipsPart( p, new PartName("/" + partName), is );
rp = new RelationshipsPart(new PartName("/" + partName));
rp.setSourceP(p);
rp.unmarshal(is);
} catch (Exception e) {
e.printStackTrace();
throw new Docx4JException("Error getting document from Zipped Part:" + partName, e);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException exc) {
exc.printStackTrace();
}
}
}
return rp;
// debugPrint(contents);
// TODO - why don't any of the part names in this document start with "/"?
}
private RelationshipsPart getRelationshipsPartFromZip(Base p, String partName)
throws Docx4JException {
RelationshipsPart rp = null;
InputStream is = null;
try {
is = partStore.loadPart(partName);
if (is == null) {
return null; // that's ok
}
rp = new RelationshipsPart(new PartName("/" + partName));
rp.setSourceP(p);
rp.unmarshal(is);
} catch (Exception e) {
e.printStackTrace();
throw new Docx4JException("Error getting document from Zipped Part:" + partName, e);
} finally {
IOUtils.closeQuietly(is);
}
return rp;
}
public OpcPackage get() throws Docx4JException {
long startTime = System.currentTimeMillis();
// 1. Get [Content_Types].xml
ContentTypeManager ctm = new ContentTypeManager();
InputStream is = null;
try {
is = partStore.loadPart("[Content_Types].xml");
ctm.parseContentTypesFile(is);
} catch (Docx4JException e) {
throw new Docx4JException("Couldn't get [Content_Types].xml from ZipFile", e);
} catch (NullPointerException e) {
throw new Docx4JException("Couldn't get [Content_Types].xml from ZipFile", e);
} finally {
IOUtils.closeQuietly(is);
}
// .. now find the name of the main part
String partName = "_rels/.rels";
RelationshipsPart rp = getRelationshipsPartFromZip(null, partName);
if (rp == null) {
throw new Docx4JException("_rels/.rels appears to be missing from this package!");
}
String mainPartName = PackageRelsUtil.getNameOfMainPart(rp);
PartName mainPartNameObj;
if (mainPartName.startsWith("/")) {
// OpenXML SDK 2.0 writes Target="/word/document.xml" (note leading "/")
mainPartNameObj = new PartName(mainPartName);
} else {
// Microsoft Word, docx4j etc write Target="word/document.xml"
mainPartNameObj = new PartName("/" + mainPartName);
}
String pkgContentType = ctm.getContentType(mainPartNameObj);
// 2. Create a new Package; this'll return the appropriate subclass
OpcPackage p = ctm.createPackage(pkgContentType);
log.info("Instantiated package of type " + p.getClass().getName());
p.setPartStore(partStore);
p.setRelationships(rp);
rp.setSourceP(p); //
// 5. Now recursively
// (i) create new Parts for each thing listed
// in the relationships
// (ii) add the new Part to the package
// (iii) cross the PartName off unusedZipEntries
addPartsFromRelationships(p, rp, ctm);
// 6.
registerCustomXmlDataStorageParts(p);
// partStore.finishLoad();
long endTime = System.currentTimeMillis();
log.info("package read; elapsed time: " + Math.round((endTime - startTime)) + " ms");
return p;
}