Exemplo n.º 1
0
        /**
         * Save this package into the specified stream
         *
         *
         * @param outputStream
         *            The stream use to save this package.
         *
         * @see #save(OutputStream)
         */

        protected override void SaveImpl(Stream outputStream)
        {
            // Check that the document was open in write mode
            ThrowExceptionIfReadOnly();
            ZipOutputStream zos = null;

            //try
            //{
            if (!(outputStream is ZipOutputStream))
            {
                zos = new ZipOutputStream(outputStream);
            }
            else
            {
                zos = (ZipOutputStream)outputStream;
            }

            // If the core properties part does not exist in the part list,
            // we save it as well
            if (this.GetPartsByRelationshipType(
                    PackageRelationshipTypes.CORE_PROPERTIES).Count == 0)
            {
                logger.Log(POILogger.DEBUG, "Save core properties part");

                // We have to save the core properties part ...
                new ZipPackagePropertiesMarshaller().Marshall(
                    this.packageProperties, zos);
                // ... and to add its relationship ...
                this.relationships.AddRelationship(this.packageProperties
                                                   .PartName.URI, TargetMode.Internal,
                                                   PackageRelationshipTypes.CORE_PROPERTIES, null);
                // ... and the content if it has not been added yet.
                if (!this.contentTypeManager
                    .IsContentTypeRegister(ContentTypes.CORE_PROPERTIES_PART))
                {
                    this.contentTypeManager.AddContentType(
                        this.packageProperties.PartName,
                        ContentTypes.CORE_PROPERTIES_PART);
                }
            }

            // Save package relationships part.
            logger.Log(POILogger.DEBUG, "Save package relationships");
            ZipPartMarshaller.MarshallRelationshipPart(this.Relationships,
                                                       PackagingUriHelper.PACKAGE_RELATIONSHIPS_ROOT_PART_NAME,
                                                       zos);

            // Save content type part.
            logger.Log(POILogger.DEBUG, "Save content types part");
            this.contentTypeManager.Save(zos);

            // Save parts.
            foreach (PackagePart part in GetParts())
            {
                // If the part is a relationship part, we don't save it, it's
                // the source part that will do the job.
                if (part.IsRelationshipPart)
                {
                    continue;
                }

                logger.Log(POILogger.DEBUG, "Save part '"
                           + ZipHelper.GetZipItemNameFromOPCName(part
                                                                 .PartName.Name) + "'");
                if (partMarshallers.ContainsKey(part.contentType))
                {
                    PartMarshaller marshaller = partMarshallers[part.contentType];

                    if (!marshaller.Marshall(part, zos))
                    {
                        throw new OpenXml4NetException(
                                  "The part "
                                  + part.PartName.URI
                                  + " fail to be saved in the stream with marshaller "
                                  + marshaller);
                    }
                }
                else
                {
                    if (!defaultPartMarshaller.Marshall(part, zos))
                    {
                        throw new OpenXml4NetException(
                                  "The part "
                                  + part.PartName.URI
                                  + " fail to be saved in the stream with marshaller "
                                  + defaultPartMarshaller);
                    }
                }
            }
            zos.Close();
            //}
            //catch (Exception e)
            //{
            //    logger
            //            .Log(POILogger.ERROR,"Fail to save: an error occurs while saving the package : "
            //                    + e.Message);
            //}
        }
Exemplo n.º 2
0
        /**
         * Save this package into the specified stream
         *
         *
         * @param outputStream
         *            The stream use to save this package.
         *
         * @see #save(OutputStream)
         */

        protected override void SaveImpl(Stream outputStream)
        {
            // Check that the document was open in write mode
            ThrowExceptionIfReadOnly();
            ZipOutputStream zos = null;

            try
            {
                if (!(outputStream is ZipOutputStream))
                {
                    zos = new ZipOutputStream(outputStream);
                }
                else
                {
                    zos = (ZipOutputStream)outputStream;
                }

                zos.UseZip64 = UseZip64.Off;
                // If the core properties part does not exist in the part list,
                // we save it as well
                if (this.GetPartsByRelationshipType(PackageRelationshipTypes.CORE_PROPERTIES).Count == 0 &&
                    this.GetPartsByRelationshipType(PackageRelationshipTypes.CORE_PROPERTIES_ECMA376).Count == 0)
                {
                    logger.Log(POILogger.DEBUG, "Save core properties part");

                    // Ensure that core properties are added if missing
                    GetPackageProperties();

                    // Add core properties to part list ...
                    AddPackagePart(this.packageProperties);

                    // ... and to add its relationship ...
                    this.relationships.AddRelationship(this.packageProperties
                                                       .PartName.URI, TargetMode.Internal,
                                                       PackageRelationshipTypes.CORE_PROPERTIES, null);
                    // ... and the content if it has not been added yet.
                    if (!this.contentTypeManager
                        .IsContentTypeRegister(ContentTypes.CORE_PROPERTIES_PART))
                    {
                        this.contentTypeManager.AddContentType(
                            this.packageProperties.PartName,
                            ContentTypes.CORE_PROPERTIES_PART);
                    }
                }

                // Save package relationships part.
                logger.Log(POILogger.DEBUG, "Save package relationships");
                ZipPartMarshaller.MarshallRelationshipPart(this.Relationships,
                                                           PackagingUriHelper.PACKAGE_RELATIONSHIPS_ROOT_PART_NAME,
                                                           zos);

                // Save content type part.
                logger.Log(POILogger.DEBUG, "Save content types part");
                this.contentTypeManager.Save(zos);

                // Save parts.
                foreach (PackagePart part in GetParts())
                {
                    // If the part is a relationship part, we don't save it, it's
                    // the source part that will do the job.
                    if (part.IsRelationshipPart)
                    {
                        continue;
                    }

                    logger.Log(POILogger.DEBUG, "Save part '"
                               + ZipHelper.GetZipItemNameFromOPCName(part
                                                                     .PartName.Name) + "'");
                    if (partMarshallers.ContainsKey(part._contentType))
                    {
                        PartMarshaller marshaller = partMarshallers[part._contentType];

                        if (!marshaller.Marshall(part, zos))
                        {
                            throw new OpenXml4NetException(
                                      "The part "
                                      + part.PartName.URI
                                      + " fail to be saved in the stream with marshaller "
                                      + marshaller);
                        }
                    }
                    else
                    {
                        if (!defaultPartMarshaller.Marshall(part, zos))
                        {
                            throw new OpenXml4NetException(
                                      "The part "
                                      + part.PartName.URI
                                      + " fail to be saved in the stream with marshaller "
                                      + defaultPartMarshaller);
                        }
                    }
                }
                //Finishes writing the contents of the ZIP output stream without closing the underlying stream.
                if (isStream)
                {
                    zos.Finish();   //instead of use zos.Close, it will close the stream
                }
                else
                {
                    zos.Close();
                }
            }
            catch (OpenXML4NetRuntimeException e)
            {
                // no need to wrap this type of Exception
                throw e;
            }
            catch (Exception e)
            {
                logger.Log(POILogger.ERROR, "fail to save: an error occurs while saving the package : "
                           + e.Message);
            }
        }