--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/jfc/JFCParserHandler.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,106 @@
+/*
+ * 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.jfr.internal.jfc;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import jdk.internal.org.xml.sax.Attributes;
+import jdk.internal.org.xml.sax.SAXException;
+import jdk.internal.org.xml.sax.helpers.DefaultHandler;
+
+final class JFCParserHandler extends DefaultHandler {
+    private static final String ELEMENT_CONFIGURATION = "configuration";
+    private static final String ELEMENT_EVENT_TYPE = "event";
+    private static final String ELEMENT_SETTING = "setting";
+    private static final String ATTRIBUTE_NAME = "name";
+    private static final String ATTRIBUTE_LABEL = "label";
+    private static final String ATTRIBUTE_DESCRIPTION = "description";
+    private static final String ATTRIBUTE_PROVIDER = "provider";
+    private static final String ATTRIBUTE_VERSION = "version";
+
+    final Map<String, String> settings = new LinkedHashMap<String, String>();
+    private String currentEventPath;
+    private String currentSettingsName;
+    private StringBuilder currentCharacters;
+    String label;
+    String provider;
+    String description;
+
+    @Override
+    public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
+        switch (qName.toLowerCase()) {
+        case ELEMENT_CONFIGURATION:
+            String version = attributes.getValue(ATTRIBUTE_VERSION);
+            if (version == null || !version.startsWith("2.")) {
+               throw new SAXException("This version of Flight Recorder can only read JFC file format version 2.x");
+            }
+            label = attributes.getValue(ATTRIBUTE_LABEL);
+            description = getOptional(attributes, ATTRIBUTE_DESCRIPTION, "");
+            provider = getOptional(attributes, ATTRIBUTE_PROVIDER, "");
+            break;
+        case ELEMENT_EVENT_TYPE:
+            currentEventPath = attributes.getValue(ATTRIBUTE_NAME);
+            break;
+        case ELEMENT_SETTING:
+            currentSettingsName = attributes.getValue(ATTRIBUTE_NAME);
+            break;
+        }
+        currentCharacters = null;
+    }
+
+    private String getOptional(Attributes attributes, String name, String defaultValue) {
+        String value = attributes.getValue(name);
+        return value == null ? defaultValue : value;
+    }
+
+    @Override
+    public void characters(char[] ch, int start, int length) throws SAXException {
+        if (currentCharacters == null) {
+            currentCharacters = new StringBuilder(length);
+        }
+        currentCharacters.append(ch, start, length);
+    }
+
+    @Override
+    public void endElement(String uri, String localName, String qName) {
+        switch (qName.toLowerCase()) {
+        case ELEMENT_CONFIGURATION:
+            break;
+        case ELEMENT_EVENT_TYPE:
+            currentEventPath = null;
+            break;
+        case ELEMENT_SETTING:
+            String settingsValue = currentCharacters == null ? "" : currentCharacters.toString();
+            settings.put(currentEventPath + "#" + currentSettingsName, "" + settingsValue);
+            currentSettingsName = null;
+            break;
+        }
+    }
+
+    public Map<String, String> getSettings() {
+        return settings;
+    }
+}