Java Log类代码示例

import com.couchbase.lite.util.Log; //导入依赖的package包/类
public void loginAsFacebookUser(Activity activity, String token, String userId, String name) {
    setCurrentUserId(userId);
    setDatabase(getUserDatabase(userId));

    String profileDocID = "p:" + userId;
    Document profile = mDatabase.getExistingDocument(profileDocID);
    if (profile == null) {
        try {
            Map<String, Object> properties = new HashMap<String, Object>();
            properties.put("type", "profile");
            properties.put("user_id", userId);
            properties.put("name", name);

            profile = mDatabase.getDocument(profileDocID);
            profile.putProperties(properties);

            // Migrate guest data to user:
            UserProfile.migrateGuestData(getUserDatabase(GUEST_DATABASE_NAME), profile);
        } catch (CouchbaseLiteException e) {
            Log.e(TAG, "Cannot create a new user profile", e);
        }
    }

    startReplication(AuthenticatorFactory.createFacebookAuthenticator(token));
    login(activity);
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
private void addMember(Document user) {
    Map<String, Object> properties = new HashMap<>();
    properties.putAll(mList.getProperties());

    List<String> members = (List<String>) properties.get("members");
    if (members == null) {
        members = new ArrayList<String>();
        properties.put("members", members);
    }
    members.add(user.getId());

    try {
        mList.putProperties(properties);
    } catch (CouchbaseLiteException e) {
        Log.e(Application.TAG, "Cannot add member to the list", e);
    }
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
private void createTask(String title, Bitmap image, String listId) {
    String currentTimeString = mDateFormatter.format(new Date());

    TaskEntity task = TaskEntity.create()
            .setType("task")
            .setCreatedAt(currentTimeString)
            .setTitle(title)
            .setChecked(Boolean.FALSE)
            .setListId(listId);

    if (image != null) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        image.compress(Bitmap.CompressFormat.JPEG, 50, out);
        ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
        task.setImage(in);
    }

    try {
        task.save();
    } catch (CouchbaseLiteException e) {
        Log.e(Application.TAG, "Cannot create new task", e);
    }
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
private void attachImage(TaskEntity task, Bitmap image) {
    if (task == null || image == null) return;



    ByteArrayOutputStream out = new ByteArrayOutputStream();
    image.compress(Bitmap.CompressFormat.JPEG, 50, out);
    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    task.setImage(in);

    try {
        task.save();
    } catch (CouchbaseLiteException e) {
        Log.e(Application.TAG, "Cannot attach image", e);
    }
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
private void dispatchTakePhotoIntent() {
    Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    if (takePictureIntent.resolveActivity(this.getPackageManager()) != null) {
        File photoFile = null;
        try {
            photoFile = createImageFile();
        } catch (IOException e) {
            Log.e(Application.TAG, "Cannot create a temp image file", e);
        }

        if (photoFile != null) {
            takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
            startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO);
        }
    }
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
@ReactMethod
public void startListener() {
    if (listener == null) {
        if (allowedCredentials == null) {
            Log.i(TAG, "No credentials, so binding to localhost");
            Properties props = new Properties();
            props.put(Serve.ARG_BINDADDRESS, "localhost");
            listener = new LiteListener(manager, SUGGESTED_PORT, allowedCredentials, props);
        } else {
            listener = new LiteListener(manager, SUGGESTED_PORT, allowedCredentials);
        }

        Log.i(TAG, "Starting CBL listener on port " + listener.getListenPort());
    } else {
        Log.i(TAG, "Restarting CBL listener on port " + listener.getListenPort());
    }

    listener.start();
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
@Override
protected void onPostExecute(UploadResult uploadResult) {
    int responseCode = uploadResult.statusCode;
    WritableMap map = Arguments.createMap();
    map.putInt("statusCode", responseCode);

    if (responseCode == 200 || responseCode == 202) {
        try {
            JSONObject jsonObject = new JSONObject(uploadResult.response);
            map.putMap("resp", convertJsonToMap(jsonObject));
            callback.invoke(null, map);
        } catch (JSONException e) {
            map.putString("error", uploadResult.response);
            callback.invoke(map, null);
            Log.e(TAG, "Failed to parse response from clb: " + uploadResult.response, e);
        }
    } else {
        map.putString("error", uploadResult.response);
        callback.invoke(map, null);
    }
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
public boolean onKey(View v, int keyCode, KeyEvent event) {
    if ((event.getAction() == KeyEvent.ACTION_DOWN)
            && (keyCode == KeyEvent.KEYCODE_ENTER)) {

        String inputText = addItemEditText.getText().toString();
        // Don't do anything until our liveQuery is initialized.
        if(!inputText.equals("") && liveQuery != null) {
            try {
                createListItem(inputText);
                Toast.makeText(getApplicationContext(), "Created new list item!", Toast.LENGTH_LONG).show();

            } catch (Exception e) {
                Toast.makeText(getApplicationContext(), "Error creating document, see logs for details", Toast.LENGTH_LONG).show();
                Log.e(TAG, "Error creating document.", e);
            }
        }
        addItemEditText.setText("");
        return true;
    }
    return false;
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
/**
 * Handle click on item in list
 */
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {

    // Step 10 code goes here
    // This code handles checkbox touches.  Couchbase Lite documents are like versioned-maps.
    // To change a Document, add a new Revision.
    QueryRow row = (QueryRow) adapterView.getItemAtPosition(position);
    Document document = row.getDocument();
    Map<String, Object> newProperties = new HashMap<String, Object>(document.getProperties());

    boolean checked = ((Boolean) newProperties.get("check")).booleanValue();
    newProperties.put("check", !checked);

    try {
        document.putProperties(newProperties);
        kitchenSyncArrayAdapter.notifyDataSetChanged();
    } catch (Exception e) {
        Toast.makeText(getApplicationContext(), "Error updating database, see logs for details", Toast.LENGTH_LONG).show();
        Log.e(TAG, "Error updating database", e);
    }

}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
@Override
public String getInfo(String key) {
    try {
        byte[][] metaNbody = forest.rawGet("info", key);
        return new String(metaNbody[1]);
    } catch (ForestException e) {
        // KEY NOT FOUND
        if (e.domain == ForestDBDomain &&
                e.code == FDBErrors.FDB_RESULT_KEY_NOT_FOUND) {
            Log.i(TAG, "[getInfo()] Key(\"%s\") is not found.", key);
        }
        // UNEXPECTED ERROR
        else {
            Log.e(TAG, "[getInfo()] Unexpected Error", e);
        }
        return null;
    }
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
/**
 * @note Throw RuntimeException if TransactionalTask throw Exception.
 * Otherwise return true or false
 */
@Override
public boolean runInTransaction(TransactionalTask task) {
    if (inTransaction())
        return task.run();
    else {
        if (!beginTransaction())
            return false;
        boolean commit = true;
        try {
            commit = task.run();
        } catch (Exception e) {
            commit = false;
            Log.e(TAG, "[ForestDBStore.runInTransaction()] Error in TransactionalTask", e);
            throw new RuntimeException(e);
        } finally {
            if (!endTransaction(commit))
                return false;
        }
        return commit;
    }
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
/**
 * @note return value should not be null.
 */
private Document _getDocument(String docID) throws CouchbaseLiteException {
    Document doc;
    try {
        doc = forest.getDocument(docID, true);
    } catch (ForestException e) {
        Log.d(TAG, "ForestDB Warning: getDocument(docID, true) docID=[%s] error=[%s]",
                docID, e.toString());
        throw new CouchbaseLiteException(ForestBridge.err2status(e));
    }
    if (!doc.exists()) {
        doc.free();
        throw new CouchbaseLiteException(Status.NOT_FOUND);
    }
    return doc;
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
private Document getDocumentWithRetry(String docID, boolean mustExist, int retry)
        throws ForestException {

    ForestException ex = null;
    for (int i = 0; i < retry; i++) {
        try {
            Document doc = forest.getDocument(docID, mustExist);
            return doc;
        } catch (ForestException fe) {
            ex = fe;
            if (fe.domain == ForestDBDomain && fe.code == FDB_RESULT_HANDLE_BUSY) {
                try {
                    Thread.sleep(300); // 300ms
                } catch (InterruptedException e) {
                }
                continue;
            } else {
                throw fe;
            }
        }
    }
    Log.e(TAG, "Retried %s times. But keep failing ForestDB.getDocument() docID=%s", ex, retry, docID);
    throw ex;
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
@Override
public int purgeExpiredDocuments() {
    final AtomicInteger purged = new AtomicInteger();
    runInTransaction(new TransactionalTask() {
        @Override
        public boolean run() {
            try {
                String[] docIDs = forest.purgeExpiredDocuments();
                for (String docID : docIDs)
                    notifyPurgedDocument(docID);
                purged.set(docIDs.length);
                return true;
            } catch (ForestException e) {
                Log.e(TAG, "Error: purgeExpiredDocuments()", e);
                return false;
            }
        }
    });
    return purged.get();
}
 

import com.couchbase.lite.util.Log; //导入依赖的package包/类
@Override
public List<Map<String, Object>> dump() {
    try {
        openIndex();
    } catch (ForestException e) {
        Log.e(TAG, "ERROR in openIndex()", e);
        return null;
    }

    List<Map<String, Object>> result = new ArrayList<Map<String, Object>>();
    try {
        QueryIterator itr = forestQuery(new QueryOptions());
        while (itr.next()) {
            Map<String, Object> dict = new HashMap<String, Object>();
            dict.put("key", new String(itr.keyJSON()));

            byte[] bytes = itr.valueJSON();
            dict.put("value", fromJSON(bytes, Object.class));
            dict.put("seq", itr.sequence());
            result.add(dict);
        }
    } catch (Exception ex) {
        Log.e(TAG, "Error in dump()", ex);
    }
    return result;
}