Java Long.parseLong方法代码示例

import java.lang.Long; //导入方法依赖的package包/类
/**
 * 判断缓存的byte数据是否到期
 *
 * @param data
 * @return true：到期了 false：还没有到期
 */
private static boolean isDue(byte[] data) {
    String[] strs = getDateInfoFromDate(data);
    if (strs != null && strs.length == 2) {
        String saveTimeStr = strs[0];
        while (saveTimeStr.startsWith("0")) {
            saveTimeStr = saveTimeStr.substring(1, saveTimeStr.length());
        }
        long saveTime = Long.parseLong(saveTimeStr);
        long deleteAfter = Long.parseLong(strs[1]);
        if (System.currentTimeMillis() > saveTime + deleteAfter * 1000) {
            return true;
        }
    }
    return false;
}
 

import java.lang.Long; //导入方法依赖的package包/类
public void persist(Long started, Long received, Long transmitted) {
    Log.d(TAG, "persist");
    SQLiteDatabase db = this.getWritableDatabase();

    Long previousReceived = 0L;
    Long previousTransmitted = 0L;

    Cursor cursor = db.rawQuery(QUERY_FIND, new String[] {started.toString()});
    if (cursor.moveToFirst()) {
       previousReceived = Long.parseLong(cursor.getString(1), 10);
       previousTransmitted = Long.parseLong(cursor.getString(2), 10);
    }
    cursor.close();

    ContentValues values = new ContentValues();
    values.put(COLUMN_STARTED, started);
    values.put(COLUMN_RECEIVED, received + previousReceived);
    values.put(COLUMN_TRANSMITTED, transmitted + previousTransmitted);

    db.replace(TABLE_NAME, null, values);
    db.close();
}
 

import java.lang.Long; //导入方法依赖的package包/类
public List<HarvestTrafficEntry> retrieve(Long started) {
    Log.d(TAG, "retrieve");

    List<HarvestTrafficEntry> entries = new ArrayList<HarvestTrafficEntry>();
    SQLiteDatabase db = this.getWritableDatabase();

    Cursor cursor = db.rawQuery(QUERY_SELECT, new String[] {started.toString()});
    if (cursor.moveToFirst()) {
        do {
            HarvestTrafficEntry entry = new HarvestTrafficEntry();
            entry.started = Long.parseLong(cursor.getString(0), 10);
            entry.received = Long.parseLong(cursor.getString(1), 10);
            entry.transmitted = Long.parseLong(cursor.getString(2), 10);

            Log.d(TAG, String.format("retrieve: %d %d %d", entry.started, entry.received, entry.transmitted));

            entries.add(entry);
        } while (cursor.moveToNext());
    }
    cursor.close();

    db.close();
    return entries;
}
 

import java.lang.Long; //导入方法依赖的package包/类
public void persist(HarvestEntry entry) {
    Log.d("HarvestStore", "persist");
    SQLiteDatabase db = this.getWritableDatabase();

    Long previousDuration = 0L;
    Cursor cursor = db.rawQuery(QUERY_FIND, new String[] {entry.packageName, entry.started.toString()});
    if (cursor.moveToFirst()) {
       previousDuration = Long.parseLong(cursor.getString(2), 10);
    }
    cursor.close(); 

    ContentValues values = new ContentValues();
    values.put(COLUMN_PACKAGE, entry.packageName);
    values.put(COLUMN_STARTED, entry.started);
    values.put(COLUMN_DURATION, entry.duration + previousDuration); 

    db.replace(TABLE_NAME, null, values);
    db.close();
}
 

import java.lang.Long; //导入方法依赖的package包/类
public List<HarvestEntry> retrieve(Long started) {
    Log.d("HarvestStore", "retrieve");
    List<HarvestEntry> entries = new ArrayList<HarvestEntry>();
    SQLiteDatabase db = this.getWritableDatabase();

    Cursor cursor = db.rawQuery(QUERY_SELECT, new String[] {started.toString()});
    if (cursor.moveToFirst()) {
        do {
            HarvestEntry entry = new HarvestEntry(cursor.getString(0));
            entry.started = Long.parseLong(cursor.getString(1), 10);
            entry.duration = Long.parseLong(cursor.getString(2), 10);

            entries.add(entry);
        } while (cursor.moveToNext());
    }
    cursor.close();

    db.close();
    return entries;
}
 

import java.lang.Long; //导入方法依赖的package包/类
private void updateTo() {

        String from = this.fromView.getText().toString();
        long newNumber;

        try {
            newNumber = Long.parseLong(from,this.fromBase);
        }catch(NumberFormatException e){
            Toast.makeText(getApplicationContext(), "This number is too big",
                    1).show();
            newNumber = ~((int)0); //horrible kludge to max out number.
        }
        this.toView.setText(Long.toString(newNumber, this.toBase));

    }
 

import java.lang.Long; //导入方法依赖的package包/类
@Override
public void onItemClick(AdapterView<?> parent, View view, int pos, long id)
{
  if ( mMenu == (ListView)parent ) {
    handleMenu( pos );
    return;
  }
  if ( onMenu ) {
    closeMenu();
    return;
  }

  CharSequence item = ((TextView) view).getText();
  String value = item.toString();
  // TDLog.Log(  TDLog.LOG_INPUT, "GMActivity onItemClick() " + item.toString() );

  // if ( value.equals( getResources().getString( R.string.back_to_calib ) ) ) {
  //   setStatus( TDStatus.CALIB );
  //   updateDisplay( );
  //   return;
  // }
  mSaveCBlock   = mDataAdapter.get( pos );
  mSaveTextView = (TextView) view;
  String msg = mSaveTextView.getText().toString();
  String[] st = msg.split( " ", 3 );
  try {    
    mCIDid = Long.parseLong(st[0]);
    // String name = st[1];
    mSaveData = st[2];
    if ( mSaveCBlock.mStatus == 0 ) {
      // startGMDialog( mCIDid, st[1] );
      (new CalibGMDialog( this, this, mSaveCBlock )).show();
    } else { // FIXME TODO ask whether to undelete
      TopoDroidAlertDialog.makeAlert( this, getResources(), R.string.calib_gm_undelete,
        new DialogInterface.OnClickListener() {
          @Override
          public void onClick( DialogInterface dialog, int btn ) {
            // TDLog.Log( TDLog.LOG_INPUT, "calib delite" );
            deleteGM( false );
          }
        }
      );
    }
  } catch ( NumberFormatException e ) {
    TDLog.Error( "error: expected a long, got: " + st[0] );
  }
}
 

import java.lang.Long; //导入方法依赖的package包/类
/**
 * Implements the <tt>getLong</tt> method as per the specification in
 * {@link Preferences#getLong(String,long)}.
 *
 * <p>This implementation invokes {@link #get(String,String) <tt>get(key,
 * null)</tt>}.  If the return value is non-null, the implementation
 * attempts to translate it to a <tt>long</tt> with
 * {@link Long#parseLong(String)}.  If the attempt succeeds, the return
 * value is returned by this method.  Otherwise, <tt>def</tt> is returned.
 *
 * @param key key whose associated value is to be returned as a long.
 * @param def the value to be returned in the event that this
 *        preference node has no value associated with <tt>key</tt>
 *        or the associated value cannot be interpreted as a long.
 * @return the long value represented by the string associated with
 *         <tt>key</tt> in this preference node, or <tt>def</tt> if the
 *         associated value does not exist or cannot be interpreted as
 *         a long.
 * @throws IllegalStateException if this node (or an ancestor) has been
 *         removed with the {@link #removeNode()} method.
 * @throws NullPointerException if <tt>key</tt> is <tt>null</tt>.
 */
public long getLong(String key, long def) {
    long result = def;
    try {
        String value = get(key, null);
        if (value != null)
            result = Long.parseLong(value);
    } catch (NumberFormatException e) {
        // Ignoring exception causes specified default to be returned
    }

    return result;
}
 

import java.lang.Long; //导入方法依赖的package包/类
/**
 * Implements the {@code getLong} method as per the specification in
 * {@link Preferences#getLong(String,long)}.
 *
 * <p>This implementation invokes {@link #get(String,String) get(key,
 * null)}.  If the return value is non-null, the implementation
 * attempts to translate it to a {@code long} with
 * {@link Long#parseLong(String)}.  If the attempt succeeds, the return
 * value is returned by this method.  Otherwise, {@code def} is returned.
 *
 * @param key key whose associated value is to be returned as a long.
 * @param def the value to be returned in the event that this
 *        preference node has no value associated with {@code key}
 *        or the associated value cannot be interpreted as a long.
 * @return the long value represented by the string associated with
 *         {@code key} in this preference node, or {@code def} if the
 *         associated value does not exist or cannot be interpreted as
 *         a long.
 * @throws IllegalStateException if this node (or an ancestor) has been
 *         removed with the {@link #removeNode()} method.
 * @throws NullPointerException if {@code key} is {@code null}.
 * @throws IllegalArgumentException if key contains the null control
 *         character, code point U+0000.
 */
public long getLong(String key, long def) {
    long result = def;
    try {
        String value = get(key, null);
        if (value != null)
            result = Long.parseLong(value);
    } catch (NumberFormatException e) {
        // Ignoring exception causes specified default to be returned
    }

    return result;
}