Merge \\"ApplicationErrorReport: Sanitize stack trace\\" into nyc-mr1-dev am: a07af1ee35 (52396abf) · Commits · e / os / android_frameworks_base

core/java/android/app/ApplicationErrorReport.java

+24 −1

Original line number	Diff line number	Diff line
		@@ -345,7 +345,7 @@ public class ApplicationErrorReport implements Parcelable {
		PrintWriter pw = new FastPrintWriter(sw, false, 256);
		tr.printStackTrace(pw);
		pw.flush();
		stackTrace = sw.toString();
		stackTrace = sanitizeString(sw.toString());
		exceptionMessage = tr.getMessage();

		// Populate fields with the "root cause" exception
		@@ -374,6 +374,29 @@ public class ApplicationErrorReport implements Parcelable {
		throwMethodName = "unknown";
		throwLineNumber = 0;
		}

		exceptionMessage = sanitizeString(exceptionMessage);
		}

		/**
		* Ensure that the string is of reasonable size, truncating from the middle if needed.
		*/
		private String sanitizeString(String s) {
		int prefixLength = 10 * 1024;
		int suffixLength = 10 * 1024;
		int acceptableLength = prefixLength + suffixLength;

		if (s != null && s.length() > acceptableLength) {
		String replacement =
		"\n[TRUNCATED " + (s.length() - acceptableLength) + " CHARS]\n";

		StringBuilder sb = new StringBuilder(acceptableLength + replacement.length());
		sb.append(s.substring(0, prefixLength));
		sb.append(replacement);
		sb.append(s.substring(s.length() - suffixLength));
		return sb.toString();
		}
		return s;
		}

		/**