| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.util; |
| |
| import android.text.format.Time; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| |
| /** |
| * @hide |
| */ |
| public final class LocalLog { |
| |
| private LinkedList<String> mLog; |
| private int mMaxLines; |
| private Time mNow; |
| |
| public LocalLog(int maxLines) { |
| mLog = new LinkedList<String>(); |
| mMaxLines = maxLines; |
| mNow = new Time(); |
| } |
| |
| public synchronized void log(String msg) { |
| if (mMaxLines > 0) { |
| mNow.setToNow(); |
| mLog.add(mNow.format("%H:%M:%S") + " - " + msg); |
| while (mLog.size() > mMaxLines) mLog.remove(); |
| } |
| } |
| |
| public synchronized void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| Iterator<String> itr = mLog.listIterator(0); |
| while (itr.hasNext()) { |
| pw.println(itr.next()); |
| } |
| } |
| } |