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Code Issues Releases Wiki Activity

Allow conditional read of list of files in a folder based on ETag

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This commit is contained in:
David A. Velasco 2016-11-11 09:10:26 +01:00
parent e0f0416c9e
commit 5ff9062ea8
2 changed files with 52 additions and 32 deletions
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34
src/com/owncloud/android/lib/common/operations/RemoteOperationResult.java
View File

@ -61,8 +61,8 @@ import javax.net.ssl.SSLException;
*/
public class RemoteOperationResult implements Serializable {
/** Generated - should be refreshed every time the class changes!! */;
private static final long serialVersionUID = 1129130415603799707L;
/** Generated - should be refreshed every time the class changes!! */;
private static final long serialVersionUID = -1909603208238358633L;
private static final String TAG = RemoteOperationResult.class.getSimpleName();
@ -100,19 +100,20 @@ public class RemoteOperationResult implements Serializable {
ACCOUNT_NOT_THE_SAME,
INVALID_CHARACTER_IN_NAME,
SHARE_NOT_FOUND,
LOCAL_STORAGE_NOT_REMOVED,
FORBIDDEN,
SHARE_FORBIDDEN,
OK_REDIRECT_TO_NON_SECURE_CONNECTION,
INVALID_MOVE_INTO_DESCENDANT,
LOCAL_STORAGE_NOT_REMOVED,
FORBIDDEN,
SHARE_FORBIDDEN,
OK_REDIRECT_TO_NON_SECURE_CONNECTION,
INVALID_MOVE_INTO_DESCENDANT,
INVALID_COPY_INTO_DESCENDANT,
PARTIAL_MOVE_DONE,
PARTIAL_MOVE_DONE,
PARTIAL_COPY_DONE,
SHARE_WRONG_PARAMETER,
WRONG_SERVER_RESPONSE,
INVALID_CHARACTER_DETECT_IN_SERVER,
DELAYED_FOR_WIFI,
LOCAL_FILE_NOT_FOUND
LOCAL_FILE_NOT_FOUND,
NOT_MODIFIED
}
private boolean mSuccess = false;
@ -127,7 +128,7 @@ public class RemoteOperationResult implements Serializable {
public RemoteOperationResult(ResultCode code) {
mCode = code;
mSuccess = (code == ResultCode.OK || code == ResultCode.OK_SSL ||
mSuccess = (code == ResultCode.OK || code == ResultCode.OK_SSL ||
code == ResultCode.OK_NO_SSL ||
code == ResultCode.OK_REDIRECT_TO_NON_SECURE_CONNECTION);
mData = null;
@ -157,9 +158,11 @@ public class RemoteOperationResult implements Serializable {
case HttpStatus.SC_INSUFFICIENT_STORAGE:
mCode = ResultCode.QUOTA_EXCEEDED;
break;
case HttpStatus.SC_FORBIDDEN:
mCode = ResultCode.FORBIDDEN;
case HttpStatus.SC_FORBIDDEN:
mCode = ResultCode.FORBIDDEN;
break;
case HttpStatus.SC_NOT_MODIFIED:
mCode = ResultCode.NOT_MODIFIED;
default:
mCode = ResultCode.UNHANDLED_HTTP_CODE;
Log_OC.d(TAG, "RemoteOperationResult has processed UNHANDLED_HTTP_CODE: " +
@ -406,10 +409,13 @@ public class RemoteOperationResult implements Serializable {
return "The file name contains an forbidden character";
} else if (mCode == ResultCode.FILE_NOT_FOUND) {
return "Local file does not exist";
return "Local file does not exist";
} else if (mCode == ResultCode.SYNC_CONFLICT) {
} else if (mCode == ResultCode.SYNC_CONFLICT) {
return "Synchronization conflict";
} else if (mCode == ResultCode.NOT_MODIFIED) {
return "Resource in server was not modified";
}
return "Operation finished with HTTP status code " + mHttpCode + " (" +

50
src/com/owncloud/android/lib/resources/files/ReadRemoteFolderOperation.java
View File

@ -47,28 +47,42 @@ import com.owncloud.android.lib.common.utils.Log_OC;
public class ReadRemoteFolderOperation extends RemoteOperation {
private static final String TAG = ReadRemoteFolderOperation.class.getSimpleName();
private static final String TAG = ReadRemoteFolderOperation.class.getSimpleName();
private String mRemotePath;
private ArrayList<Object> mFolderAndFiles;
/**
private static final String IF_NONE_MATCH_HEADER = "If-None-Match";
private String mRemotePath;
private String mETagToNotMatch;
private ArrayList<Object> mFolderAndFiles;
/**
* Constructor
*
* @param remotePath Remote path of the file.
*/
public ReadRemoteFolderOperation(String remotePath) {
mRemotePath = remotePath;
}
public ReadRemoteFolderOperation(String remotePath) {
mRemotePath = remotePath;
mETagToNotMatch = "";
}
/**
/**
* Constructor
*
* @param remotePath Remote path of the file.
*/
public ReadRemoteFolderOperation(String remotePath, String eTagToNotMatch) {
mRemotePath = remotePath;
mETagToNotMatch = (eTagToNotMatch == null) ? "" : eTagToNotMatch;
}
/**
* Performs the read operation.
*
* @param client Client object to communicate with the remote ownCloud server.
*/
@Override
protected RemoteOperationResult run(OwnCloudClient client) {
RemoteOperationResult result = null;
@Override
protected RemoteOperationResult run(OwnCloudClient client) {
RemoteOperationResult result = null;
PropFindMethod query = null;
try {
@ -76,13 +90,17 @@ public class ReadRemoteFolderOperation extends RemoteOperation {
query = new PropFindMethod(client.getWebdavUri() + WebdavUtils.encodePath(mRemotePath),
WebdavUtils.getAllPropSet(), // PropFind Properties
DavConstants.DEPTH_1);
if (mETagToNotMatch.length() > 0) {
query.addRequestHeader(IF_NONE_MATCH_HEADER, "\"" + mETagToNotMatch + "\"");
}
int status = client.executeMethod(query);
// check and process response
boolean isSuccess = (
status == HttpStatus.SC_MULTI_STATUS ||
status == HttpStatus.SC_OK
);
);
if (isSuccess) {
// get data from remote folder
MultiStatus dataInServer = query.getResponseBodyAsMultiStatus();
@ -95,7 +113,7 @@ public class ReadRemoteFolderOperation extends RemoteOperation {
result.setData(mFolderAndFiles);
}
} else {
// synchronization failed
// synchronization failed, or no change in folder (mETagToNotMatch matched)
client.exhaustResponse(query.getResponseBodyAsStream());
result = new RemoteOperationResult(false, status, query.getResponseHeaders());
}
@ -120,10 +138,6 @@ public class ReadRemoteFolderOperation extends RemoteOperation {
}
return result;
}
public boolean isMultiStatus(int status) {
return (status == HttpStatus.SC_MULTI_STATUS);
}
/**