--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.management/share/classes/sun/management/StackTraceElementCompositeData.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2005, 2008, 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 sun.management;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Predicate;
+import javax.management.openmbean.CompositeType;
+import javax.management.openmbean.CompositeData;
+import javax.management.openmbean.CompositeDataSupport;
+import javax.management.openmbean.OpenDataException;
+
+/**
+ * A CompositeData for StackTraceElement for the local management support.
+ * This class avoids the performance penalty paid to the
+ * construction of a CompositeData use in the local case.
+ */
+public class StackTraceElementCompositeData extends LazyCompositeData {
+ private final StackTraceElement ste;
+
+ private StackTraceElementCompositeData(StackTraceElement ste) {
+ this.ste = ste;
+ }
+
+ public StackTraceElement getStackTraceElement() {
+ return ste;
+ }
+
+ public static StackTraceElement from(CompositeData cd) {
+ validateCompositeData(cd);
+
+ if (stackTraceElementV6CompositeType.equals(cd.getCompositeType())) {
+ return new StackTraceElement(getString(cd, CLASS_NAME),
+ getString(cd, METHOD_NAME),
+ getString(cd, FILE_NAME),
+ getInt(cd, LINE_NUMBER));
+ } else {
+ return new StackTraceElement(getString(cd, CLASS_LOADER_NAME),
+ getString(cd, MODULE_NAME),
+ getString(cd, MODULE_VERSION),
+ getString(cd, CLASS_NAME),
+ getString(cd, METHOD_NAME),
+ getString(cd, FILE_NAME),
+ getInt(cd, LINE_NUMBER));
+ }
+ }
+
+ public static CompositeData toCompositeData(StackTraceElement ste) {
+ StackTraceElementCompositeData cd = new StackTraceElementCompositeData(ste);
+ return cd.getCompositeData();
+ }
+
+ protected CompositeData getCompositeData() {
+ // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
+ // stackTraceElementItemNames!
+ final Object[] stackTraceElementItemValues = {
+ ste.getClassLoaderName(),
+ ste.getModuleName(),
+ ste.getModuleVersion(),
+ ste.getClassName(),
+ ste.getMethodName(),
+ ste.getFileName(),
+ ste.getLineNumber(),
+ ste.isNativeMethod(),
+ };
+ try {
+ return new CompositeDataSupport(stackTraceElementCompositeType,
+ stackTraceElementItemNames,
+ stackTraceElementItemValues);
+ } catch (OpenDataException e) {
+ // Should never reach here
+ throw new AssertionError(e);
+ }
+ }
+
+ // Attribute names
+ private static final String CLASS_LOADER_NAME = "classLoaderName";
+ private static final String MODULE_NAME = "moduleName";
+ private static final String MODULE_VERSION = "moduleVersion";
+ private static final String CLASS_NAME = "className";
+ private static final String METHOD_NAME = "methodName";
+ private static final String FILE_NAME = "fileName";
+ private static final String LINE_NUMBER = "lineNumber";
+ private static final String NATIVE_METHOD = "nativeMethod";
+
+
+ private static final String[] stackTraceElementItemNames = {
+ CLASS_LOADER_NAME,
+ MODULE_NAME,
+ MODULE_VERSION,
+ CLASS_NAME,
+ METHOD_NAME,
+ FILE_NAME,
+ LINE_NUMBER,
+ NATIVE_METHOD,
+ };
+
+ private static final String[] stackTraceElementV9ItemNames = {
+ CLASS_LOADER_NAME,
+ MODULE_NAME,
+ MODULE_VERSION,
+ };
+
+ private static final CompositeType stackTraceElementCompositeType;
+ private static final CompositeType stackTraceElementV6CompositeType;
+ static {
+ try {
+ stackTraceElementCompositeType = (CompositeType)
+ MappedMXBeanType.toOpenType(StackTraceElement.class);
+ stackTraceElementV6CompositeType =
+ TypeVersionMapper.getInstance().getVersionedCompositeType(
+ stackTraceElementCompositeType,
+ TypeVersionMapper.V6
+ );
+ } catch (OpenDataException e) {
+ // Should never reach here
+ throw new AssertionError(e);
+ }
+ }
+
+ /** Validate if the input CompositeData has the expected
+ * CompositeType (i.e. contain all attributes with expected
+ * names and types).
+ */
+ public static void validateCompositeData(CompositeData cd) {
+ if (cd == null) {
+ throw new NullPointerException("Null CompositeData");
+ }
+
+ CompositeType ct = cd.getCompositeType();
+ if (!isTypeMatched(stackTraceElementCompositeType, ct)) {
+ if (!isTypeMatched(stackTraceElementV6CompositeType, ct)) {
+ throw new IllegalArgumentException(
+ "Unexpected composite type for StackTraceElement");
+ }
+ }
+ }
+
+ static boolean isV6Attribute(String name) {
+ for(String attrName : stackTraceElementV9ItemNames) {
+ if (name.equals(attrName)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private static final long serialVersionUID = -2704607706598396827L;
+}