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/*
* 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());
}
}
}
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