/**
* Copyright Microsoft Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.microsoft.azure.storage.file;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
import com.microsoft.azure.storage.Constants;
import com.microsoft.azure.storage.StorageException;
import com.microsoft.azure.storage.StorageUri;
import com.microsoft.azure.storage.core.BaseResponse;
import com.microsoft.azure.storage.core.PathUtility;
import com.microsoft.azure.storage.core.Utility;
/**
* RESERVED FOR INTERNAL USE. A class used to parse the response from file, directory, and share operations.
*/
final class FileResponse extends BaseResponse {
/**
* Gets the copyState
*
* @param request
* The response from server.
* @return The CopyState.
* @throws URISyntaxException
* @throws ParseException
*/
public static CopyState getCopyState(final HttpURLConnection request) throws URISyntaxException, ParseException {
String copyStatusString = request.getHeaderField(Constants.HeaderConstants.COPY_STATUS);
if (!Utility.isNullOrEmpty(copyStatusString)) {
final CopyState copyState = new CopyState();
copyState.setStatus(CopyStatus.parse(copyStatusString));
copyState.setCopyId(request.getHeaderField(Constants.HeaderConstants.COPY_ID));
copyState.setStatusDescription(request.getHeaderField(Constants.HeaderConstants.COPY_STATUS_DESCRIPTION));
final String copyProgressString = request.getHeaderField(Constants.HeaderConstants.COPY_PROGRESS);
if (!Utility.isNullOrEmpty(copyProgressString)) {
String[] progressSequence = copyProgressString.split("/");
copyState.setBytesCopied(Long.parseLong(progressSequence[0]));
copyState.setTotalBytes(Long.parseLong(progressSequence[1]));
}
final String copySourceString = request.getHeaderField(Constants.HeaderConstants.COPY_SOURCE);
if (!Utility.isNullOrEmpty(copySourceString)) {
copyState.setSource(new URI(copySourceString));
}
final String copyCompletionTimeString =
request.getHeaderField(Constants.HeaderConstants.COPY_COMPLETION_TIME);
if (!Utility.isNullOrEmpty(copyCompletionTimeString)) {
copyState.setCompletionTime(Utility.parseRFC1123DateFromStringInGMT(copyCompletionTimeString));
}
return copyState;
}
else {
return null;
}
}
/**
* Gets the FileShareAttributes from the given request.
*
* @param request
* the request to get attributes from
* @param usePathStyleUris
* a value indicating if the account is using pathSytleUris
* @return the FileShareAttributes from the given request.
* @throws StorageException
*/
public static FileShareAttributes getFileShareAttributes(final HttpURLConnection request,
final boolean usePathStyleUris) throws StorageException {
final FileShareAttributes shareAttributes = new FileShareAttributes();
final FileShareProperties shareProperties = shareAttributes.getProperties();
shareProperties.setEtag(BaseResponse.getEtag(request));
shareProperties.setShareQuota(parseShareQuota(request));
shareProperties.setLastModified(new Date(request.getLastModified()));
shareAttributes.setMetadata(getMetadata(request));
return shareAttributes;
}
/**
* Gets the FileDirectoryAttributes from the given request.
*
* @param request
* the request to get attributes from.
* @param usePathStyleUris
* a value indicating if the account is using pathSytleUris.
* @return the FileDirectoryAttributes from the given request.
* @throws StorageException
*/
public static FileDirectoryAttributes getFileDirectoryAttributes(final HttpURLConnection request,
final boolean usePathStyleUris) throws StorageException {
final FileDirectoryAttributes directoryAttributes = new FileDirectoryAttributes();
URI tempURI;
try {
tempURI = PathUtility.stripSingleURIQueryAndFragment(request.getURL().toURI());
}
catch (final URISyntaxException e) {
final StorageException wrappedUnexpectedException = Utility.generateNewUnexpectedStorageException(e);
throw wrappedUnexpectedException;
}
directoryAttributes.setName(PathUtility.getDirectoryNameFromURI(tempURI, usePathStyleUris));
final FileDirectoryProperties directoryProperties = directoryAttributes.getProperties();
directoryProperties.setEtag(BaseResponse.getEtag(request));
directoryProperties.setLastModified(new Date(request.getLastModified()));
directoryAttributes.setMetadata(getMetadata(request));
return directoryAttributes;
}
/**
* Gets the CloudFileAttributes from the given request
*
* @param request
* The response from server.
* @param resourceURI
* The file uri to set.
* @return the CloudFileAttributes from the given request
* @throws ParseException
* @throws URISyntaxException
*/
public static FileAttributes getFileAttributes(final HttpURLConnection request, final StorageUri resourceURI)
throws URISyntaxException, ParseException {
final FileAttributes fileAttributes = new FileAttributes();
final FileProperties properties = fileAttributes.getProperties();
properties.setCacheControl(request.getHeaderField(Constants.HeaderConstants.CACHE_CONTROL));
properties.setContentDisposition(request.getHeaderField(Constants.HeaderConstants.CONTENT_DISPOSITION));
properties.setContentEncoding(request.getHeaderField(Constants.HeaderConstants.CONTENT_ENCODING));
properties.setContentLanguage(request.getHeaderField(Constants.HeaderConstants.CONTENT_LANGUAGE));
// For range gets, only look at 'x-ms-content-md5' for overall MD5
if (!Utility.isNullOrEmpty(request.getHeaderField(Constants.HeaderConstants.CONTENT_RANGE))) {
properties.setContentMD5(request.getHeaderField(FileConstants.FILE_CONTENT_MD5_HEADER));
}
else {
properties.setContentMD5(request.getHeaderField(Constants.HeaderConstants.CONTENT_MD5));
}
properties.setContentType(request.getHeaderField(Constants.HeaderConstants.CONTENT_TYPE));
properties.setEtag(BaseResponse.getEtag(request));
properties.setCopyState(FileResponse.getCopyState(request));
final Calendar lastModifiedCalendar = Calendar.getInstance(Utility.LOCALE_US);
lastModifiedCalendar.setTimeZone(Utility.UTC_ZONE);
lastModifiedCalendar.setTime(new Date(request.getLastModified()));
properties.setLastModified(lastModifiedCalendar.getTime());
final String rangeHeader = request.getHeaderField(Constants.HeaderConstants.CONTENT_RANGE);
final String xContentLengthHeader = request.getHeaderField(FileConstants.CONTENT_LENGTH_HEADER);
if (!Utility.isNullOrEmpty(rangeHeader)) {
properties.setLength(Long.parseLong(rangeHeader.split("/")[1]));
}
else if (!Utility.isNullOrEmpty(xContentLengthHeader)) {
properties.setLength(Long.parseLong(xContentLengthHeader));
}
else {
// using this instead of the request property since the request
// property only returns an int.
final String contentLength = request.getHeaderField(Constants.HeaderConstants.CONTENT_LENGTH);
if (!Utility.isNullOrEmpty(contentLength)) {
properties.setLength(Long.parseLong(contentLength));
}
}
fileAttributes.setStorageUri(resourceURI);
fileAttributes.setMetadata(BaseResponse.getMetadata(request));
return fileAttributes;
}
/**
* Parses out the share quota value from a <code>java.net.HttpURLConnection</code>.
*
* @param request
* the request to get attributes from
* @return the share quota (in GB) or <code>null</code> if none is specified
*/
static Integer parseShareQuota(final HttpURLConnection request) {
Integer shareQuota = request.getHeaderFieldInt(FileConstants.SHARE_QUOTA_HEADER, -1);
return (shareQuota == -1) ? null : shareQuota;
}
/**
* Gets the snapshot ID from the request header.
*
* @param request
* The response from server.
* @return the snapshot ID from the request header.
*/
public static String getSnapshotTime(final HttpURLConnection request) {
return request.getHeaderField(Constants.HeaderConstants.SNAPSHOT_ID_HEADER);
}
/**
* Private Default Ctor
*/
private FileResponse() {
super();
}
}