feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/jdk/management/jfr/ConfigurationInfo.java

@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2016, 2019, 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;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.management.openmbean.CompositeData;
+import javax.management.openmbean.TabularData;
+
+import jdk.jfr.Configuration;
+
+
+/**
+ * Management representation of a {@code Configuration}.
+ *
+ * @see Configuration
+ *
+ * @since 8
+ */
+public final class ConfigurationInfo {
+    private final Map<String, String> settings;
+    private final String name;
+    private final String label;
+    private final String description;
+    private final String provider;
+    private final String contents;
+
+    ConfigurationInfo(Configuration config) {
+        this.settings = config.getSettings();
+        this.name = config.getName();
+        this.label = config.getLabel();
+        this.description = config.getDescription();
+        this.provider = config.getProvider();
+        this.contents = config.getContents();
+    }
+
+    private ConfigurationInfo(CompositeData cd) {
+        this.settings = createMap(cd.get("settings"));
+        this.name = (String) cd.get("name");
+        this.label = (String) cd.get("label");
+        this.description = (String) cd.get("description");
+        this.provider = (String) cd.get("provider");
+        this.contents = (String) cd.get("contents");
+    }
+
+    private static Map<String, String> createMap(Object o) {
+        if (o instanceof TabularData) {
+            TabularData td = (TabularData) o;
+            Collection<?> values = td.values();
+            Map<String, String> map = new HashMap<>(values.size());
+            for (Object value : td.values()) {
+                if (value instanceof CompositeData) {
+                    CompositeData cdRow = (CompositeData) value;
+                    Object k = cdRow.get("key");
+                    Object v = cdRow.get("value");
+                    if (k instanceof String && v instanceof String) {
+                        map.put((String) k, (String) v);
+                    }
+                }
+            }
+            return Collections.unmodifiableMap(map);
+        }
+        return Collections.emptyMap();
+    }
+
+    /**
+     * Returns the provider of the configuration associated with this
+     * {@code ConfigurationInfo} (for example, {@code "OpenJDK"}).
+     *
+     * @return the provider, or {@code null} if doesn't exist
+     *
+     * @see Configuration#getProvider()
+     */
+    public String getProvider() {
+        return provider;
+    }
+
+    /**
+     * Returns the textual representation of the configuration associated with
+     * this {@code ConfigurationInfo}, typically the contents of the
+     * configuration file that was used to create the configuration.
+     *
+     * @return contents, or {@code null} if doesn't exist
+     *
+     * @see Configuration#getContents()
+     */
+    public String getContents() {
+        return contents;
+    }
+
+    /**
+     * Returns the settings for the configuration associated with this
+     * {@code ConfigurationInfo}.
+     *
+     * @return a {@code Map} with settings, not {@code null}
+     *
+     * @see Configuration#getSettings()
+     */
+    public Map<String, String> getSettings() {
+        return settings;
+    }
+
+    /**
+     * Returns the human-readable name (for example, {@code "Continuous"} or {@code "Profiling"}) for
+     * the configuration associated with this {@code ConfigurationInfo}
+     *
+     * @return the label, or {@code null} if doesn't exist
+     *
+     * @see Configuration#getLabel()
+     */
+    public String getLabel() {
+        return label;
+    }
+
+    /**
+     * Returns the name of the configuration associated with this
+     * {@code ConfigurationInfo} (for example, {@code "default"}).
+     *
+     * @return the name, or {@code null} if doesn't exist
+     *
+     * @see Configuration#getLabel()
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Returns a short sentence that describes the configuration associated with
+     * this {@code ConfigurationInfo} (for example, {@code "Low
+     * overhead configuration safe for continuous use in production
+     * environments"}.
+     *
+     * @return the description, or {@code null} if doesn't exist
+     */
+    public String getDescription() {
+        return description;
+    }
+
+    /**
+     * Returns a {@code ConfigurationInfo} object represented by the specified
+     * {@code CompositeData}.
+     * <p>
+     * The following table shows the required attributes that the specified {@code CompositeData} must contain.
+     * <blockquote>
+     * <table class="striped">
+     * <caption>Required names and types for CompositeData</caption>
+     * <thead>
+     * <tr>
+     * <th scope="col" style="text-align:left">Name</th>
+     * <th scope="col" style="text-align:left">Type</th>
+     * </tr>
+     * </thead>
+     * <tbody>
+     * <tr>
+     * <th scope="row">name</th>
+     * <td>{@code String}</td>
+     * </tr>
+     * <tr>
+     * <th scope="row">label</th>
+     * <td>{@code String}</td>
+     * </tr>
+     * <tr>
+     * <th scope="row">description</th>
+     * <td>{@code String}</td>
+     * </tr>
+     * <tr>
+     * <th scope="row">provider</th>
+     * <td>{@code String}</td>
+     * </tr>
+     * <tr>
+     * <th scope="row">contents</th>
+     * <td>{@code String}</td>
+     * </tr>
+     *
+     * <tr>
+     * <th scope="row">settings</th>
+     * <td>{@code javax.management.openmbean.TabularData} with a
+     * {@code TabularType} with the keys {@code "key"} and {@code "value"}, both
+     * of the {@code String} type</td>
+     * </tr>
+     * </tbody>
+     * </table>
+     * </blockquote>
+     *
+     * @param cd {@code CompositeData} representing a {@code ConfigurationInfo}
+     *
+     * @throws IllegalArgumentException if {@code cd} does not represent a
+     *         {@code ConfigurationInfo} with the required attributes
+     *
+     * @return a {@code ConfigurationInfo} object represented by {@code cd} if
+     *         {@code cd} is not {@code null}, {@code null} otherwise
+     */
+    public static ConfigurationInfo from(CompositeData cd) {
+        if (cd == null) {
+            return null;
+        }
+        return new ConfigurationInfo(cd);
+    }
+
+    /**
+     * Returns a description of the configuration that is associated with this
+     * {@code ConfigurationInfo}.
+     *
+     * @return the description of the configuration, not {@code null}
+     */
+    @Override
+    public String toString() {
+        Stringifier s = new Stringifier();
+        s.add("name", name);
+        s.add("label", label);
+        s.add("description", description);
+        s.add("provider", provider);
+        return s.toString();
+    }
+}