--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.management.jfr/share/classes/jdk/management/jfr/Stringifier.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.management.jfr;
+/**
+ * Helper class for generating toString()
+ *
+ */
+final class Stringifier {
+ private final StringBuilder sb = new StringBuilder();
+ private boolean first = true;
+
+ public void add(String name, Object value) {
+ if (first) {
+ first = false;
+ } else {
+ sb.append(" ");
+ }
+ boolean isString = value instanceof String;
+ sb.append(name).append("=");
+ if (value == null) {
+ sb.append("null");
+ } else {
+ if (isString) {
+ sb.append("\"");
+ }
+ sb.append(value);
+ if (isString) {
+ sb.append("\"");
+ }
+ }
+ }
+
+ @Override
+ public String toString() {
+ return sb.toString();
+ }
+}