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package org.libreoffice.storage.owncloud;
import java.io.File;
import java.net.URI;
import org.libreoffice.R;
import org.libreoffice.storage.DocumentProviderSettingsActivity;
import org.libreoffice.storage.IDocumentProvider;
import org.libreoffice.storage.IFile;
import android.content.Context;
import android.content.SharedPreferences;
import android.net.Uri;
import android.preference.PreferenceManager;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.OwnCloudClientFactory;
import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
import com.owncloud.android.lib.common.operations.RemoteOperationResult;
import com.owncloud.android.lib.resources.files.FileUtils;
import com.owncloud.android.lib.resources.files.ReadRemoteFileOperation;
import com.owncloud.android.lib.resources.files.RemoteFile;
/**
* Implementation of IDocumentProvider for ownCloud servers.
*/
public class OwnCloudProvider implements IDocumentProvider {
private OwnCloudClient client;
private File cacheDir;
private String serverUrl;
private String userName;
private String password;
public OwnCloudProvider(Context context) {
// read preferences
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
serverUrl = preferences.getString(
DocumentProviderSettingsActivity.KEY_PREF_OWNCLOUD_SERVER, "");
userName = preferences.getString(
DocumentProviderSettingsActivity.KEY_PREF_OWNCLOUD_USER_NAME, "");
password = preferences.getString(
DocumentProviderSettingsActivity.KEY_PREF_OWNCLOUD_PASSWORD, "");
Uri serverUri = Uri.parse(serverUrl);
client = OwnCloudClientFactory.createOwnCloudClient(serverUri,
context, true);
client.setCredentials(OwnCloudCredentialsFactory.newBasicCredentials(
userName, password));
// make sure cache directory exists, and clear it
// TODO: probably we should do smarter cache management
cacheDir = new File(context.getCacheDir(), "ownCloud");
if (cacheDir.exists()) {
deleteRecursive(cacheDir);
}
cacheDir.mkdirs();
}
@Override
public IFile getRootDirectory() {
return createFromUri(URI.create(FileUtils.PATH_SEPARATOR));
}
@Override
public IFile createFromUri(URI uri) {
ReadRemoteFileOperation refreshOperation = new ReadRemoteFileOperation(
uri.getPath());
RemoteOperationResult result = refreshOperation.execute(client);
if (!result.isSuccess()) {
throw new RuntimeException(result.getLogMessage(),
result.getException());
}
if (result.getData().size() > 0) {
return new OwnCloudFile(this, (RemoteFile) result.getData().get(0));
}
return null;
}
@Override
public int getNameResource() {
return R.string.owncloud;
}
/**
* Used by OwnCloudFiles to get a configured client to run their own
* operations.
*
* @return configured OwnCloudClient.
*/
protected OwnCloudClient getClient() {
return client;
}
/**
* Used by OwnCloudFiles to get the cache directory they should download
* files to.
*
* @return cache directory.
*/
protected File getCacheDir() {
return cacheDir;
}
/**
* Deletes files and recursively deletes directories.
*
* @param file
* File or directory to be deleted.
*/
private void deleteRecursive(File file) {
if (file.isDirectory()) {
for (File child : file.listFiles())
deleteRecursive(child);
}
file.delete();
}
}
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