Beispiel #1
0
        /**
         * Create a new child POIXMLDocumentPart
         *
         * @param descriptor the part descriptor
         * @param factory the factory that will create an instance of the requested relation
         * @param idx part number
         * @param noRelation if true, then no relationship is Added.
         * @return the Created child POIXMLDocumentPart
         */

        protected POIXMLDocumentPart CreateRelationship(POIXMLRelation descriptor, POIXMLFactory factory, int idx, bool noRelation)
        {
            try
            {
                PackagePartName     ppName = PackagingUriHelper.CreatePartName(descriptor.GetFileName(idx));
                PackageRelationship rel    = null;
                PackagePart         part   = packagePart.Package.CreatePart(ppName, descriptor.ContentType);
                if (!noRelation)
                {
                    /* only add to relations, if according relationship is being Created. */
                    rel = packagePart.AddRelationship(ppName, TargetMode.Internal, descriptor.Relation);
                }
                POIXMLDocumentPart doc = factory.CreateDocumentPart(descriptor);
                doc.packageRel  = rel;
                doc.packagePart = part;
                doc.parent      = this;
                if (!noRelation)
                {
                    /* only add to relations, if according relationship is being Created. */
                    AddRelation(rel.Id, doc);
                }
                return(doc);
            }
            catch (PartAlreadyExistsException pae)
            {
                // Return the specific exception so the user knows
                //  that the name is already taken
                throw pae;
            }
            catch (Exception e)
            {
                // Give a general wrapped exception for the problem
                throw new POIXMLException(e);
            }
        }
Beispiel #2
0
        protected void Load(POIXMLFactory factory)
        {
            Dictionary <PackagePart, POIXMLDocumentPart> context = new Dictionary <PackagePart, POIXMLDocumentPart>();

            try
            {
                Read(factory, context);
            }
            catch (OpenXml4NetException e)
            {
                throw new POIXMLException(e);
            }
            OnDocumentRead();
            context.Clear();
        }
Beispiel #3
0
        /**
         * Iterate through the underlying PackagePart and create child POIXMLFactory instances
         * using the specified factory
         *
         * @param factory   the factory object that Creates POIXMLFactory instances
         * @param context   context map Containing already visited noted keyed by tarGetURI
         */

        protected void Read(POIXMLFactory factory, Dictionary <PackagePart, POIXMLDocumentPart> context)
        {
            try
            {
                PackageRelationshipCollection rels = packagePart.Relationships;
                foreach (PackageRelationship rel in rels)
                {
                    if (rel.TargetMode == TargetMode.Internal)
                    {
                        Uri uri = rel.TargetUri;

                        PackagePart p;

                        if (uri.OriginalString.IndexOf('#') >= 0)
                        {
                            /*
                             * For internal references (e.g. '#Sheet1!A1') the namespace part is null
                             */
                            p = null;
                        }
                        else
                        {
                            PackagePartName relName = PackagingUriHelper.CreatePartName(uri);
                            p = packagePart.Package.GetPart(relName);
                            if (p == null)
                            {
                                logger.Log(POILogger.ERROR, "Skipped invalid entry " + rel.TargetUri);
                                continue;
                            }
                        }

                        if (p == null || !context.ContainsKey(p))
                        {
                            POIXMLDocumentPart childPart = factory.CreateDocumentPart(this, rel, p);
                            childPart.parent = this;
                            AddRelation(rel.Id, childPart);
                            if (p != null)
                            {
                                context[p] = childPart;
                                if (p.HasRelationships)
                                {
                                    childPart.Read(factory, context);
                                }
                            }
                        }
                        else
                        {
                            AddRelation(rel.Id, context[p]);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                if ((null != ex.InnerException) && (null != ex.InnerException.InnerException))
                {
                    // this type of exception is thrown when the XML Serialization does not match the input.
                    logger.Log(1, ex.InnerException.InnerException);
                }
                throw;
            }
        }
Beispiel #4
0
 public POIXMLDocumentPart CreateRelationship(POIXMLRelation descriptor, POIXMLFactory factory, int idx)
 {
     return(CreateRelationship(descriptor, factory, idx, false));
 }