be.fedict.eid.applet.service.signer.odf
Class ODFUtil

java.lang.Object
  be.fedict.eid.applet.service.signer.odf.ODFUtil

public class ODFUtil
extends Object

Helper class to remove some code duplication

Author:

Bart Hanssens

Field Summary

static String	MANIFEST_FILE
static String	MIMETYPE_FILE
static String	MIMETYPE_START
static String	SIGNATURE_ELEMENT
static String	SIGNATURE_FILE
static String	SIGNATURE_NS

Constructor Summary

ODFUtil()

Method Summary

static boolean	checkNodes(NodeList nodes, List zipEntries)
static InputStream	findDataInputStream(InputStream inputStream, String uri) Read the zipped data in the ODF package and return the inputstream for a given file / zip entry
static Document	getNewDocument() Return a new DOM Document
static DocumentBuilder	getNewDocumentBuilder() Return a new DOM Document Builder
static List	getZipEntriesAsList(InputStream odfInputStream) Get a list of all the files / zip entries in an ODF package
static boolean	isContentFile(ZipEntry zipEntry) Checks if a file / zip entry is a content file
static boolean	isSelfContained(URL odfUrl) Check if an ODF package is self-contained, i.e.
static boolean	isSignatureFile(ZipEntry zipEntry) Checks if a file / zip entry is a signature file
static boolean	isToBeSigned(ZipEntry zipEntry) Check if a file / zip entry is to be signed
static Document	loadDocument(InputStream documentInputStream) Load an XML file from ODF package as a DOM Document

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MANIFEST_FILE

public static String MANIFEST_FILE

MIMETYPE_FILE

public static String MIMETYPE_FILE

MIMETYPE_START

public static String MIMETYPE_START

SIGNATURE_FILE

public static String SIGNATURE_FILE

SIGNATURE_NS

public static String SIGNATURE_NS

SIGNATURE_ELEMENT

public static String SIGNATURE_ELEMENT

Constructor Detail

ODFUtil

public ODFUtil()

Method Detail

loadDocument

public static Document loadDocument(InputStream documentInputStream)
                             throws ParserConfigurationException,
                                    SAXException,
                                    IOException

Load an XML file from ODF package as a DOM Document

Parameters:

documentInputStream -

Returns:

Throws:

ParserConfigurationException

SAXException

IOException

getNewDocument

public static Document getNewDocument()
                               throws ParserConfigurationException

Return a new DOM Document

Returns:

DOM Document

Throws:

ParserConfigurationException

getNewDocumentBuilder

public static DocumentBuilder getNewDocumentBuilder()
                                             throws ParserConfigurationException

Return a new DOM Document Builder

Returns:

DOM Document Builder

Throws:

ParserConfigurationException

findDataInputStream

public static InputStream findDataInputStream(InputStream inputStream,
                                              String uri)
                                       throws IOException

Read the zipped data in the ODF package and return the inputstream for a given file / zip entry

Parameters:

inputStream -

uri -

Returns:

inputstream for the file / zip entry

Throws:

IOException

isContentFile

public static boolean isContentFile(ZipEntry zipEntry)

Checks if a file / zip entry is a content file

Parameters:

zipEntry -

Returns:

true if zip entry is a content file

isSignatureFile

public static boolean isSignatureFile(ZipEntry zipEntry)

Checks if a file / zip entry is a signature file

Parameters:

zipEntry -

Returns:

true if zip entry is a signature file

isToBeSigned

public static boolean isToBeSigned(ZipEntry zipEntry)

Check if a file / zip entry is to be signed

Parameters:

zipEntry -

Returns:

true if zip entry is to be signed

getZipEntriesAsList

public static List getZipEntriesAsList(InputStream odfInputStream)
                                throws IOException

Get a list of all the files / zip entries in an ODF package

Parameters:

odfInputStream -

Returns:

Throws:

IOException

isSelfContained

public static boolean isSelfContained(URL odfUrl)
                               throws IOException,
                                      ParserConfigurationException,
                                      SAXException,
                                      XPathExpressionException

Check if an ODF package is self-contained, i.e. content files don't have OLE objects linked to external files

Parameters:

odfUrl -

Returns:

Throws:

IOException

ParserConfigurationException

SAXException

XPathExpressionException

checkNodes

public static boolean checkNodes(NodeList nodes,
                                 List zipEntries)