1470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt/* 2470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * Copyright (C) 2006 The Android Open Source Project 3470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * 4470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * Licensed under the Apache License, Version 2.0 (the "License"); 5470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * you may not use this file except in compliance with the License. 6470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * You may obtain a copy of the License at 7470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * 8470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * http://www.apache.org/licenses/LICENSE-2.0 9470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * 10470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * Unless required by applicable law or agreed to in writing, software 11470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * distributed under the License is distributed on an "AS IS" BASIS, 12470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * See the License for the specific language governing permissions and 14470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * limitations under the License. 15470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt */ 16470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 17470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltpackage android.util; 18470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 19470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltimport android.text.format.Time; 20470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 21470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltimport java.io.FileDescriptor; 22470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltimport java.io.PrintWriter; 23470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltimport java.io.StringWriter; 24470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltimport java.util.Iterator; 25470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltimport java.util.LinkedList; 26470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 27470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt/** 28470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt * @hide 29470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt */ 30470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwaltpublic final class LocalLog { 31470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 32470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt private LinkedList<String> mLog; 33470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt private int mMaxLines; 34470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt private Time mNow; 35470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 36470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt public LocalLog(int maxLines) { 37470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt mLog = new LinkedList<String>(); 38470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt mMaxLines = maxLines; 39470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt mNow = new Time(); 40470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt } 41470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 42470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt public synchronized void log(String msg) { 43470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt if (mMaxLines > 0) { 44470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt mNow.setToNow(); 45470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt mLog.add(mNow.format("%H:%M:%S") + " - " + msg); 46470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt while (mLog.size() > mMaxLines) mLog.remove(); 47470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt } 48470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt } 49470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt 50470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt public synchronized void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 51470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt Iterator<String> itr = mLog.listIterator(0); 52470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt while (itr.hasNext()) { 53470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt pw.println(itr.next()); 54470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt } 55470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt } 56470fd72a06390d7a6b854583afd0ed76ce0a03eeRobert Greenwalt} 57