DO NOT MERGE Enhance local log. (ec4daae2) · Commits · e / os / android_frameworks_base

core/java/android/util/LocalLog.java

+27 −6

Original line number	Diff line number	Diff line
		@@ -30,20 +30,32 @@ public final class LocalLog {
		private LinkedList<String> mLog;
		private int mMaxLines;
		private long mNow;
		private final boolean mKeepFirst;

		public LocalLog(int maxLines) {
		mLog = new LinkedList<String>();
		mMaxLines = maxLines;
		mKeepFirst = false;
		}

		public LocalLog(int maxLines, boolean keepFirst) {
		mLog = new LinkedList<String>();
		mMaxLines = maxLines;
		mKeepFirst = keepFirst;
		}

		public synchronized void log(String msg) {
		if (mMaxLines > 0) {
		mNow = System.currentTimeMillis();
		StringBuilder sb = new StringBuilder();
		Calendar c = Calendar.getInstance();
		c.setTimeInMillis(mNow);
		sb.append(String.format("%tm-%td %tH:%tM:%tS.%tL", c, c, c, c, c, c));
		mLog.add(sb.toString() + " - " + msg);
		logStraight(sb.toString() + " - " + msg);
		}

		private synchronized void logStraight(String msg) {
		if (mKeepFirst == false \|\| mLog.size() < mMaxLines) mLog.add(msg);
		if (mMaxLines > 0) {
		while (mLog.size() > mMaxLines) mLog.remove();
		}
		}
		@@ -74,4 +86,13 @@ public final class LocalLog {
		public ReadOnlyLocalLog readOnlyLocalLog() {
		return new ReadOnlyLocalLog(this);
		}

		public synchronized void copyTo(LocalLog other, int lines) {
		int end = mLog.size()-1;
		int begin = end - lines;
		if (begin < 0) begin = 0;
		for (; begin < end; begin++) {
		other.logStraight(mLog.get(begin));
		}
		}
		}