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Code Issues Releases Wiki Activity

changes to reduce network traffic

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This commit is contained in:
Philipp Crocoll 2013-10-20 03:02:36 +02:00
parent 8f01199930
commit eeffea5316
1 changed files with 64 additions and 18 deletions
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82
src/java/JavaFileStorage/src/keepass2android/javafilestorage/GoogleDriveFileStorage.java
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@ -11,9 +11,9 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import com.dropbox.client2.exception.DropboxUnlinkedException;
import com.google.api.client.extensions.android.http.AndroidHttp;
import com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential;
import com.google.api.client.googleapis.extensions.android.gms.auth.UserRecoverableAuthIOException;
@ -73,7 +73,7 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
{
Drive drive;
HashMap<String /*fileId*/, FileSystemEntryData> mFileSystemEntryCache;
HashMap<String /*fileId*/, FileSystemEntryData> mFolderCache;
protected String mRootFolderId;
};
@ -132,7 +132,7 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
{
//the folders cache might be out of date -> rebuild and try again:
AccountData accountData = mAccountData.get(mAccount);
accountData.mFileSystemEntryCache = buildFoldersCache(mAccount);
accountData.mFolderCache = buildFoldersCache(mAccount);
verify();
}
@ -149,16 +149,27 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
AccountData accountData = mAccountData.get(mAccount);
String parentId = accountData.mRootFolderId;
for (String part: parts)
for (int i=0;i<parts.length;i++)
{
String part = parts[i];
int indexOfSeparator = part.lastIndexOf(NAME_ID_SEP);
if (indexOfSeparator < 0)
throw new FileNotFoundException("invalid path " + mAccountLocalPath);
String id = part.substring(indexOfSeparator+NAME_ID_SEP.length());
String name = decode(part.substring(0, indexOfSeparator));
FileSystemEntryData thisFolder = accountData.mFileSystemEntryCache.get(id);
FileSystemEntryData thisFolder = accountData.mFolderCache.get(id);
if (thisFolder == null)
throw new FileNotFoundException("couldn't find id " + id + " being part of "+ mAccountLocalPath+" in GDrive account " + mAccount);
{
if (i== parts.length-1)
{
//not all files are cached
thisFolder = tryAddFileToCache(this);
}
//check if it's still null
if (thisFolder == null)
throw new FileNotFoundException("couldn't find id " + id + " being part of "+ mAccountLocalPath+" in GDrive account " + mAccount);
}
if (thisFolder.parentIds.contains(parentId) == false)
throw new FileNotFoundException("couldn't find parent id " + parentId + " as parent of "+thisFolder.displayName +" in "+ mAccountLocalPath+" in GDrive account " + mAccount);
if (thisFolder.displayName.equals(name) == false)
@ -214,6 +225,34 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
return currentVersion.equals(previousFileVersion) == false;
}
public FileSystemEntryData tryAddFileToCache(GDrivePath path) {
FileSystemEntryData thisFile = new FileSystemEntryData();
File fl;
try {
fl = getDriveService(path.getAccount()).files().get(path.getGDriveId()).execute();
} catch (Exception e) {
e.printStackTrace();
return null;
}
thisFile.id = fl.getId();
thisFile.displayName = fl.getTitle();
for (ParentReference parent: fl.getParents())
{
thisFile.parentIds.add(parent.getId());
}
mAccountData.get(path.getAccount()).mFolderCache.put(thisFile.id, thisFile);
try {
Log.d(TAG, "Added "+path.getFullPath()+" to cache");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return thisFile;
}
@Override
public String getCurrentFileVersionFast(String path) {
@ -301,6 +340,13 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
File file = getDriveService(parentGdrivePath.getAccount()).files().insert(body).execute();
Log.d(TAG, "created folder "+newDirName+" in "+parentPath+". id: "+file.getId());
//add to cache to avoid network traffic if this folder is accessed (which is likely to happen soon)
FileSystemEntryData newCacheEntry = new FileSystemEntryData();
newCacheEntry.displayName = newDirName;
newCacheEntry.id = file.getId();
newCacheEntry.parentIds.add(parentGdrivePath.getGDriveId());
mAccountData.get(parentGdrivePath.getAccount()).mFolderCache.put(file.getId(), newCacheEntry);
return new GDrivePath(parentPath, file).getFullPath();
}
@ -435,6 +481,7 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
try
{
driveService.files().delete(gdrivePath.getGDriveId()).execute();
mAccountData.get(gdrivePath.getAccount()).mFolderCache.remove(gdrivePath.getGDriveId());
}
catch (Exception e)
{
@ -590,7 +637,7 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
newAccountData.drive = createDriveService(accountName, activity);
mAccountData.put(accountName, newAccountData);
Log.d(TAG, "Added account data for " + accountName);
newAccountData.mFileSystemEntryCache = buildFoldersCache(accountName);
newAccountData.mFolderCache = buildFoldersCache(accountName);
About about = newAccountData.drive.about().get().execute();
newAccountData.mRootFolderId = about.getRootFolderId();
@ -648,26 +695,25 @@ public class GoogleDriveFileStorage implements JavaFileStorage {
private HashMap<String,FileSystemEntryData> buildFoldersCache(String accountName) throws IOException {
HashMap<String, FileSystemEntryData> fileSystemEntryCache = new HashMap<String, GoogleDriveFileStorage.FileSystemEntryData>();
HashMap<String, FileSystemEntryData> folderCache = new HashMap<String, GoogleDriveFileStorage.FileSystemEntryData>();
FileList folders=getDriveService(accountName).files().list().setQ("trashed=false and hidden=false").execute();
FileList folders=getDriveService(accountName).files().list().setQ("mimeType='"+FOLDER_MIME_TYPE+"' and trashed=false and hidden=false")
.setFields("items(id,title,parents),nextPageToken")
.execute();
for(File fl: folders.getItems()){
FileSystemEntryData thisFileSystemEntry = new FileSystemEntryData();
thisFileSystemEntry.id = fl.getId();
thisFileSystemEntry.displayName = fl.getTitle();
FileSystemEntryData thisFolder = new FileSystemEntryData();
thisFolder.id = fl.getId();
thisFolder.displayName = fl.getTitle();
Log.v("JFS"+" fOLDER name:",fl.getTitle());
Log.v("JFS"+" fOLDER id:",fl.getId());
for (ParentReference parent: fl.getParents())
{
Log.v("JFS"+" parent id:",parent.getId());
thisFileSystemEntry.parentIds.add(parent.getId());
thisFolder.parentIds.add(parent.getId());
}
fileSystemEntryCache.put(thisFileSystemEntry.id, thisFileSystemEntry);
folderCache.put(thisFolder.id, thisFolder);
}
return fileSystemEntryCache;
return folderCache;
}