C# UriQueryBuilder.Add方法代码示例

        /// <summary>
        /// Constructs a web request to commit a block to an append blob.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the blob.</param>
        /// <param name="timeout">An integer specifying the server timeout interval.</param>
        /// <param name="accessCondition">An <see cref="AccessCondition"/> object that represents the condition that must be met in order for the request to proceed.</param>
        /// <param name="content"> The HTTP entity body and content headers.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
        public static HttpRequestMessage AppendBlock(Uri uri, int? timeout, AccessCondition accessCondition, HttpContent content, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "appendblock");

            HttpRequestMessage request = HttpRequestMessageFactory.CreateRequestMessage(HttpMethod.Put, uri, timeout, builder, content, operationContext);
            request.ApplyAccessCondition(accessCondition);
            request.ApplyAppendCondition(accessCondition);
            return request;
        }

        internal static HttpRequestMessage BuildRequestCore(Uri uri, HttpMethod method, int? timeout, OperationContext ctx)
        {
            Uri uriRequest = uri;
            if (timeout != null && timeout != 0)
            {
                UriQueryBuilder builder = new UriQueryBuilder();
                builder.Add("timeout", timeout.ToString());
                uriRequest = builder.AddToUri(uri);
            }

            HttpRequestMessage msg = new HttpRequestMessage(method, uriRequest);
            msg.Headers.Add("Accept", "application/atom+xml,application/xml");
            msg.Headers.Add("Accept-Charset", "UTF-8");
            msg.Headers.Add("MaxDataServiceVersion", "2.0;NetFx");

            return msg;
        }

        /// Constructs a web request to set system properties for a file.
        /// </summary>
        /// <param name="uri">The absolute URI to the file.</param>
        /// <param name="timeout">The server timeout interval.</param>
        /// <param name="newFileSize">The new file size. Set this parameter to <c>null</c> to keep the existing file size.</param>
        /// <param name="accessCondition">The access condition to apply to the request.</param>
        /// <returns>A web request to use to perform the operation.</returns>
        public static StorageRequestMessage Resize(Uri uri, int? timeout, long newFileSize, AccessCondition accessCondition, HttpContent content, OperationContext operationContext, ICanonicalizer canonicalizer, StorageCredentials credentials)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "properties");

            StorageRequestMessage request = HttpRequestMessageFactory.CreateRequestMessage(HttpMethod.Put, uri, timeout, builder, content, operationContext, canonicalizer, credentials);

            request.Headers.Add(Constants.HeaderConstants.FileContentLengthHeader, newFileSize.ToString(NumberFormatInfo.InvariantInfo));

            request.ApplyAccessCondition(accessCondition);
            return request;
        }

        /// <summary>
        /// Constructs a web request to create a snapshot of a blob.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the blob.</param>
        /// <param name="timeout">An integer specifying the server timeout interval.</param>
        /// <param name="accessCondition">An <see cref="AccessCondition"/> object that represents the condition that must be met in order for the request to proceed.</param>
        /// <param name="useVersionHeader">A boolean value indicating whether to set the <i>x-ms-version</i> HTTP header.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
        public static HttpWebRequest Snapshot(Uri uri, int? timeout, AccessCondition accessCondition, bool useVersionHeader, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "snapshot");

            HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Put, uri, timeout, builder, useVersionHeader, operationContext);
            request.ApplyAccessCondition(accessCondition);
            return request;
        }

        /// <summary>
        /// Constructs a web request to peek messages for a queue.
        /// </summary>
        /// <param name="uri">The absolute URI to the queue.</param>
        /// <param name="timeout">The server timeout interval.</param>
        /// <returns>A web request to use to perform the operation.</returns>
        public static HttpRequestMessage PeekMessages(Uri uri, int? timeout, int numberOfMessages, HttpContent content, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.HeaderConstants.PeekOnly, Constants.HeaderConstants.TrueHeader);
            builder.Add(Constants.QueryConstants.NumOfMessages, numberOfMessages.ToString());

            HttpRequestMessage request = HttpRequestMessageFactory.CreateRequestMessage(HttpMethod.Get, uri, timeout, builder, content, operationContext);
            return request;
        }

        internal UriQueryBuilder GenerateQueryBuilder()
        {
            UriQueryBuilder builder = new UriQueryBuilder();

            // filter
            if (!string.IsNullOrEmpty(this.FilterString))
            {
                builder.Add(TableConstants.Filter, this.FilterString);
            }

            // take
            if (this.takeCount.HasValue)
            {
                builder.Add(TableConstants.Top, Convert.ToString(Math.Min(this.takeCount.Value, TableConstants.TableServiceMaxResults)));
            }

            // select
            if (this.SelectColumns != null && this.SelectColumns.Count > 0)
            {
                StringBuilder colBuilder = new StringBuilder();
                bool foundRk = false;
                bool foundPk = false;
                bool foundTs = false;

                for (int m = 0; m < this.SelectColumns.Count; m++)
                {
                    if (this.SelectColumns[m] == TableConstants.PartitionKey)
                    {
                        foundPk = true;
                    }
                    else if (this.SelectColumns[m] == TableConstants.RowKey)
                    {
                        foundRk = true;
                    }
                    else if (this.SelectColumns[m] == TableConstants.Timestamp)
                    {
                        foundTs = true;
                    }

                    colBuilder.Append(this.SelectColumns[m]);
                    if (m < this.SelectColumns.Count - 1)
                    {
                        colBuilder.Append(",");
                    }
                }

                if (!foundPk)
                {
                    colBuilder.Append(",");
                    colBuilder.Append(TableConstants.PartitionKey);
                }

                if (!foundRk)
                {
                    colBuilder.Append(",");
                    colBuilder.Append(TableConstants.RowKey);
                }

                if (!foundTs)
                {
                    colBuilder.Append(",");
                    colBuilder.Append(TableConstants.Timestamp);
                }

                builder.Add(TableConstants.Select, colBuilder.ToString());
            }

            return builder;
        }

        /// <summary>
        /// Constructs a web request to return a listing of all containers in this storage account.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the Blob service endpoint.</param>
        /// <param name="timeout">An integer specifying the server timeout interval.</param>
        /// <param name="listingContext">A <see cref="ListingContext"/> object.</param>
        /// <param name="detailsIncluded">A <see cref="ContainerListingDetails"/> enumeration value that indicates whether to return container metadata with the listing.</param>
        /// <param name="useVersionHeader">A boolean value indicating whether to set the <i>x-ms-version</i> HTTP header.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>A web request for the specified operation.</returns>
        public static HttpWebRequest List(Uri uri, int? timeout, ListingContext listingContext, ContainerListingDetails detailsIncluded, bool useVersionHeader, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "list");

            if (listingContext != null)
            {
                if (listingContext.Prefix != null)
                {
                    builder.Add("prefix", listingContext.Prefix);
                }

                if (listingContext.Marker != null)
                {
                    builder.Add("marker", listingContext.Marker);
                }

                if (listingContext.MaxResults.HasValue)
                {
                    builder.Add("maxresults", listingContext.MaxResults.ToString());
                }
            }

            if ((detailsIncluded & ContainerListingDetails.Metadata) != 0)
            {
                builder.Add("include", "metadata");
            }

            HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Get, uri, timeout, builder, useVersionHeader, operationContext);
            return request;
        }

        /// <summary>
        /// Constructs a web request to update a message.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the message to update.</param>
        /// <param name="timeout">The server timeout interval, in seconds.</param>
        /// <param name="popReceipt">A string specifying the pop receipt of the message.</param>
        /// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
        public static HttpWebRequest DeleteMessage(Uri uri, int? timeout, string popReceipt, bool useVersionHeader, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.PopReceipt, popReceipt);

            HttpWebRequest request = HttpWebRequestFactory.Delete(uri, builder, timeout, useVersionHeader, operationContext);
            return request;
        }

        /// <summary>
        /// Constructs a web request to peek messages from a queue.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the queue.</param>
        /// <param name="timeout">An integer specifying the server timeout interval.</param>
        /// <param name="numberOfMessages">An integer specifying the number of messages to peek.</param>
        /// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
        public static HttpWebRequest PeekMessages(Uri uri, int? timeout, int numberOfMessages, bool useVersionHeader, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.HeaderConstants.PeekOnly, Constants.HeaderConstants.TrueHeader);

            builder.Add(Constants.QueryConstants.NumOfMessages, numberOfMessages.ToString(CultureInfo.InvariantCulture));

            HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Get, uri, timeout, builder, useVersionHeader, operationContext);
            return request;
        }

        /// <summary>
        /// Converts the source blob of a copy operation to an appropriate access URI, taking Shared Access Signature credentials into account.
        /// </summary>
        /// <param name="source">The source blob.</param>
        /// <returns>A URI addressing the source blob, using SAS if appropriate.</returns>
        internal static Uri SourceBlobToUri(ICloudBlob source)
        {
            Uri sourceUri = source.ServiceClient.Credentials.TransformUri(source.Uri);

            if (source.SnapshotTime.HasValue)
            {
                UriQueryBuilder builder = new UriQueryBuilder();
                builder.Add("snapshot", BlobRequest.ConvertDateTimeToSnapshotString(source.SnapshotTime.Value));
                sourceUri = builder.AddToUri(sourceUri);
            }

            return sourceUri;
        }

        /// <summary>
        /// Constructs a web request to add a message for a queue.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the queue.</param>
        /// <param name="timeout">An integer specifying the server timeout interval.</param>
        /// <param name="timeToLiveInSeconds">The message time-to-live, in seconds.</param>
        /// <param name="visibilityTimeoutInSeconds">The length of time during which the message will be invisible, in seconds.</param>
        /// <param name="useVersionHeader">A flag indicating whether to set the x-ms-version HTTP header.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
        public static HttpWebRequest AddMessage(Uri uri, int? timeout, int? timeToLiveInSeconds, int? visibilityTimeoutInSeconds, bool useVersionHeader, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();

            if (timeToLiveInSeconds != null)
            {
                builder.Add(Constants.QueryConstants.MessageTimeToLive, timeToLiveInSeconds.Value.ToString(CultureInfo.InvariantCulture));
            }

            if (visibilityTimeoutInSeconds != null)
            {
                builder.Add(Constants.QueryConstants.VisibilityTimeout, visibilityTimeoutInSeconds.Value.ToString(CultureInfo.InvariantCulture));
            }

            HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Post, uri, timeout, builder, useVersionHeader, operationContext);
            return request;
        }

        /// <summary>
        /// Constructs a web request to return the list of valid ranges for a file.
        /// </summary>
        /// <param name="uri">The absolute URI to the file.</param>
        /// <param name="timeout">The server timeout interval.</param>
        /// <param name="offset">The starting offset of the data range over which to list file ranges, in bytes.</param>
        /// <param name="count">The length of the data range over which to list file ranges, in bytes.</param>
        /// <param name="accessCondition">The access condition to apply to the request.</param>
        /// <returns>A web request to use to perform the operation.</returns>
        public static StorageRequestMessage ListRanges(Uri uri, int? timeout, long? offset, long? count, AccessCondition accessCondition, HttpContent content, OperationContext operationContext, ICanonicalizer canonicalizer, StorageCredentials credentials)
        {
            if (offset.HasValue)
            {
                CommonUtility.AssertNotNull("count", count);
            }

            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "rangelist");

            StorageRequestMessage request = HttpRequestMessageFactory.CreateRequestMessage(HttpMethod.Get, uri, timeout, builder, content, operationContext, canonicalizer, credentials);
            AddRange(request, offset, count);
            request.ApplyAccessCondition(accessCondition);
            return request;
        }

        /// <summary>
        /// Constructs a web request to set system properties for a file.
        /// </summary>
        /// <param name="uri">The absolute URI to the file.</param>
        /// <param name="timeout">The server timeout interval.</param>
        /// <param name="properties">The file's properties.</param>
        /// <param name="accessCondition">The access condition to apply to the request.</param>
        /// <returns>A web request to use to perform the operation.</returns>
        public static StorageRequestMessage SetProperties(Uri uri, int? timeout, FileProperties properties, AccessCondition accessCondition, HttpContent content, OperationContext operationContext, ICanonicalizer canonicalizer, StorageCredentials credentials)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "properties");

            StorageRequestMessage request = HttpRequestMessageFactory.CreateRequestMessage(HttpMethod.Put, uri, timeout, builder, content, operationContext, canonicalizer, credentials);

            if (properties != null)
            {
                request.AddOptionalHeader(Constants.HeaderConstants.FileCacheControlHeader, properties.CacheControl);
                request.AddOptionalHeader(Constants.HeaderConstants.FileContentDispositionRequestHeader, properties.ContentDisposition);
                request.AddOptionalHeader(Constants.HeaderConstants.FileContentEncodingHeader, properties.ContentEncoding);
                request.AddOptionalHeader(Constants.HeaderConstants.FileContentLanguageHeader, properties.ContentLanguage);
                request.AddOptionalHeader(Constants.HeaderConstants.FileContentMD5Header, properties.ContentMD5);
                request.AddOptionalHeader(Constants.HeaderConstants.FileContentTypeHeader, properties.ContentType);
            }

            request.ApplyAccessCondition(accessCondition);
            return request;
        }

        /// <summary>
        /// Constructs a web request to write or clear a range of pages in a page blob.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the blob.</param>
        /// <param name="timeout">An integer specifying the server timeout interval.</param>
        /// <param name="pageRange">A <see cref="PageRange"/> object.</param>
        /// <param name="pageWrite">A <see cref="PageWrite"/> enumeration value indicating the operation to perform on the page blob.</param>
        /// <param name="accessCondition">An <see cref="AccessCondition"/> object that represents the condition that must be met in order for the request to proceed.</param>
        /// <param name="useVersionHeader">A boolean value indicating whether to set the <i>x-ms-version</i> HTTP header.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>
        /// A web request to use to perform the operation.
        /// </returns>
        public static HttpWebRequest PutPage(Uri uri, int? timeout, PageRange pageRange, PageWrite pageWrite, AccessCondition accessCondition, bool useVersionHeader, OperationContext operationContext)
        {
            CommonUtility.AssertNotNull("pageRange", pageRange);

            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "page");

            HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Put, uri, timeout, builder, useVersionHeader, operationContext);

            request.Headers.Add(Constants.HeaderConstants.RangeHeader, pageRange.ToString());
            request.Headers.Add(Constants.HeaderConstants.PageWrite, pageWrite.ToString());

            request.ApplyAccessCondition(accessCondition);
            request.ApplySequenceNumberCondition(accessCondition);
            return request;
        }

        /// <summary>
        /// Constructs a web request to return the list of blocks for a block blob.
        /// </summary>
        /// <param name="uri">A <see cref="System.Uri"/> specifying the absolute URI to the blob.</param>
        /// <param name="timeout">An integer specifying the server timeout interval.</param>
        /// <param name="snapshot">A <see cref="DateTimeOffset"/> specifying the snapshot timestamp, if the blob is a snapshot.</param>
        /// <param name="typesOfBlocks">A <see cref="BlockListingFilter"/> enumeration value.</param>
        /// <param name="accessCondition">An <see cref="AccessCondition"/> object that represents the condition that must be met in order for the request to proceed.</param>
        /// <param name="useVersionHeader">A boolean value indicating whether to set the <i>x-ms-version</i> HTTP header.</param>
        /// <param name="operationContext">An <see cref="OperationContext"/> object that represents the context for the current operation.</param>
        /// <returns>A <see cref="System.Net.HttpWebRequest"/> object.</returns>
        public static HttpWebRequest GetBlockList(Uri uri, int? timeout, DateTimeOffset? snapshot, BlockListingFilter typesOfBlocks, AccessCondition accessCondition, bool useVersionHeader, OperationContext operationContext)
        {
            UriQueryBuilder builder = new UriQueryBuilder();
            builder.Add(Constants.QueryConstants.Component, "blocklist");
            builder.Add("blocklisttype", typesOfBlocks.ToString());
            BlobHttpWebRequestFactory.AddSnapshot(builder, snapshot);

            HttpWebRequest request = HttpWebRequestFactory.CreateWebRequest(WebRequestMethods.Http.Get, uri, timeout, builder, useVersionHeader, operationContext);
            request.ApplyAccessCondition(accessCondition);
            return request;
        }