author | mchung |
Tue, 17 Jan 2012 15:55:40 -0800 | |
changeset 11530 | a9d059c15b80 |
parent 5506 | 202f599c92aa |
child 13589 | da4cb574f4a6 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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* Copyright (c) 2004, 2008, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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2 | 24 |
*/ |
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package sun.management; |
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27 |
import java.lang.management.MemoryUsage; |
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28 |
import java.lang.management.MemoryNotificationInfo; |
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29 |
import java.lang.management.MonitorInfo; |
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import java.lang.management.LockInfo; |
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import java.lang.management.ThreadInfo; |
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import java.lang.reflect.*; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.*; |
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import java.io.InvalidObjectException; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.security.PrivilegedActionException; |
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40 |
import java.security.PrivilegedExceptionAction; |
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import javax.management.*; |
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import javax.management.openmbean.*; |
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43 |
import static javax.management.openmbean.SimpleType.*; |
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import com.sun.management.VMOption; |
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45 |
||
46 |
/** |
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* A mapped mxbean type maps a Java type to an open type. |
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* Only the following Java types are mappable |
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49 |
* (currently required by the platform MXBeans): |
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50 |
* 1. Primitive types |
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51 |
* 2. Wrapper classes such java.lang.Integer, etc |
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52 |
* 3. Classes with only getter methods and with a static "from" method |
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* that takes a CompositeData argument. |
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* 4. E[] where E is a type of 1-4 (can be multi-dimensional array) |
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55 |
* 5. List<E> where E is a type of 1-3 |
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56 |
* 6. Map<K, V> where K and V are a type of 1-4 |
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57 |
* |
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* OpenDataException will be thrown if a Java type is not supported. |
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59 |
*/ |
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// Suppress unchecked cast warnings at line 442, 523 and 546 |
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// Suppress unchecked calls at line 235, 284, 380 and 430. |
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@SuppressWarnings("unchecked") |
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63 |
public abstract class MappedMXBeanType { |
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64 |
private static final WeakHashMap<Type,MappedMXBeanType> convertedTypes = |
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new WeakHashMap<>(); |
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boolean isBasicType = false; |
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OpenType<?> openType = inProgress; |
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Class<?> mappedTypeClass; |
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static synchronized MappedMXBeanType newMappedType(Type javaType) |
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72 |
throws OpenDataException { |
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MappedMXBeanType mt = null; |
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if (javaType instanceof Class) { |
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final Class<?> c = (Class<?>) javaType; |
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if (c.isEnum()) { |
78 |
mt = new EnumMXBeanType(c); |
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79 |
} else if (c.isArray()) { |
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mt = new ArrayMXBeanType(c); |
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} else { |
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mt = new CompositeDataMXBeanType(c); |
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} |
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} else if (javaType instanceof ParameterizedType) { |
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final ParameterizedType pt = (ParameterizedType) javaType; |
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final Type rawType = pt.getRawType(); |
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87 |
if (rawType instanceof Class) { |
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final Class<?> rc = (Class<?>) rawType; |
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if (rc == List.class) { |
90 |
mt = new ListMXBeanType(pt); |
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91 |
} else if (rc == Map.class) { |
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92 |
mt = new MapMXBeanType(pt); |
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93 |
} |
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94 |
} |
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95 |
} else if (javaType instanceof GenericArrayType) { |
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96 |
final GenericArrayType t = (GenericArrayType) javaType; |
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97 |
mt = new GenericArrayMXBeanType(t); |
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} |
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// No open type mapped for the javaType |
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100 |
if (mt == null) { |
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throw new OpenDataException(javaType + |
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102 |
" is not a supported MXBean type."); |
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103 |
} |
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104 |
convertedTypes.put(javaType, mt); |
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return mt; |
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} |
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108 |
// basic types do not require data mapping |
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static synchronized MappedMXBeanType newBasicType(Class<?> c, OpenType<?> ot) |
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throws OpenDataException { |
111 |
MappedMXBeanType mt = new BasicMXBeanType(c, ot); |
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112 |
convertedTypes.put(c, mt); |
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return mt; |
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114 |
} |
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115 |
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116 |
static synchronized MappedMXBeanType getMappedType(Type t) |
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117 |
throws OpenDataException { |
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MappedMXBeanType mt = convertedTypes.get(t); |
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119 |
if (mt == null) { |
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120 |
mt = newMappedType(t); |
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} |
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122 |
||
123 |
if (mt.getOpenType() instanceof InProgress) { |
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124 |
throw new OpenDataException("Recursive data structure"); |
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125 |
} |
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return mt; |
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} |
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// Convert a class to an OpenType |
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public static synchronized OpenType<?> toOpenType(Type t) |
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throws OpenDataException { |
132 |
MappedMXBeanType mt = getMappedType(t); |
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133 |
return mt.getOpenType(); |
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} |
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136 |
public static Object toJavaTypeData(Object openData, Type t) |
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137 |
throws OpenDataException, InvalidObjectException { |
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138 |
if (openData == null) { |
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return null; |
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140 |
} |
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141 |
MappedMXBeanType mt = getMappedType(t); |
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142 |
return mt.toJavaTypeData(openData); |
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} |
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145 |
public static Object toOpenTypeData(Object data, Type t) |
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146 |
throws OpenDataException { |
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147 |
if (data == null) { |
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148 |
return null; |
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149 |
} |
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MappedMXBeanType mt = getMappedType(t); |
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return mt.toOpenTypeData(data); |
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} |
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// Return the mapped open type |
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OpenType<?> getOpenType() { |
2 | 156 |
return openType; |
157 |
} |
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159 |
boolean isBasicType() { |
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return isBasicType; |
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161 |
} |
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// Return the type name of the mapped open type |
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// For primitive types, the type name is the same as the javaType |
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// but the mapped open type is the wrapper class |
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166 |
String getTypeName() { |
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return getMappedTypeClass().getName(); |
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} |
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// Return the mapped open type |
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Class<?> getMappedTypeClass() { |
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return mappedTypeClass; |
173 |
} |
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175 |
abstract Type getJavaType(); |
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177 |
// return name of the class or the generic type |
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abstract String getName(); |
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179 |
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180 |
abstract Object toOpenTypeData(Object javaTypeData) |
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throws OpenDataException; |
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182 |
||
183 |
abstract Object toJavaTypeData(Object openTypeData) |
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throws OpenDataException, InvalidObjectException; |
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185 |
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186 |
// Basic Types - Classes that do not require data conversion |
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187 |
// including primitive types and all SimpleType |
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188 |
// |
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189 |
// Mapped open type: SimpleType for corresponding basic type |
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190 |
// |
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191 |
// Data Mapping: |
|
192 |
// T <-> T (no conversion) |
|
193 |
// |
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194 |
static class BasicMXBeanType extends MappedMXBeanType { |
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final Class<?> basicType; |
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BasicMXBeanType(Class<?> c, OpenType<?> openType) { |
2 | 197 |
this.basicType = c; |
198 |
this.openType = openType; |
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199 |
this.mappedTypeClass = c; |
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200 |
this.isBasicType = true; |
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201 |
} |
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202 |
||
203 |
Type getJavaType() { |
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204 |
return basicType; |
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205 |
} |
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206 |
||
207 |
String getName() { |
|
208 |
return basicType.getName(); |
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209 |
} |
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210 |
||
211 |
Object toOpenTypeData(Object data) throws OpenDataException { |
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212 |
return data; |
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213 |
} |
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214 |
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215 |
Object toJavaTypeData(Object data) |
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216 |
throws OpenDataException, InvalidObjectException { |
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217 |
||
218 |
return data; |
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219 |
} |
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220 |
} |
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221 |
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222 |
||
223 |
// Enum subclasses |
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224 |
// Mapped open type - String |
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225 |
// |
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226 |
// Data Mapping: |
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227 |
// Enum <-> enum's name |
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228 |
// |
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229 |
static class EnumMXBeanType extends MappedMXBeanType { |
|
230 |
final Class enumClass; |
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231 |
EnumMXBeanType(Class<?> c) { |
2 | 232 |
this.enumClass = c; |
233 |
this.openType = STRING; |
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234 |
this.mappedTypeClass = String.class; |
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235 |
} |
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236 |
||
237 |
Type getJavaType() { |
|
238 |
return enumClass; |
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239 |
} |
|
240 |
||
241 |
String getName() { |
|
242 |
return enumClass.getName(); |
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243 |
} |
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244 |
||
245 |
Object toOpenTypeData(Object data) throws OpenDataException { |
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246 |
return ((Enum) data).name(); |
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247 |
} |
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248 |
||
249 |
Object toJavaTypeData(Object data) |
|
250 |
throws OpenDataException, InvalidObjectException { |
|
251 |
||
252 |
try { |
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253 |
return Enum.valueOf(enumClass, (String) data); |
|
254 |
} catch (IllegalArgumentException e) { |
|
255 |
// missing enum constants |
|
256 |
final InvalidObjectException ioe = |
|
257 |
new InvalidObjectException("Enum constant named " + |
|
258 |
(String) data + " is missing"); |
|
259 |
ioe.initCause(e); |
|
260 |
throw ioe; |
|
261 |
} |
|
262 |
} |
|
263 |
} |
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264 |
||
265 |
// Array E[] |
|
266 |
// Mapped open type - Array with element of OpenType for E |
|
267 |
// |
|
268 |
// Data Mapping: |
|
269 |
// E[] <-> openTypeData(E)[] |
|
270 |
// |
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271 |
static class ArrayMXBeanType extends MappedMXBeanType { |
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272 |
final Class<?> arrayClass; |
2 | 273 |
protected MappedMXBeanType componentType; |
274 |
protected MappedMXBeanType baseElementType; |
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275 |
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276 |
ArrayMXBeanType(Class<?> c) throws OpenDataException { |
2 | 277 |
this.arrayClass = c; |
278 |
this.componentType = getMappedType(c.getComponentType()); |
|
279 |
||
280 |
StringBuilder className = new StringBuilder(); |
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281 |
Class<?> et = c; |
2 | 282 |
int dim; |
283 |
for (dim = 0; et.isArray(); dim++) { |
|
284 |
className.append('['); |
|
285 |
et = et.getComponentType(); |
|
286 |
} |
|
287 |
baseElementType = getMappedType(et); |
|
288 |
if (et.isPrimitive()) { |
|
289 |
className = new StringBuilder(c.getName()); |
|
290 |
} else { |
|
291 |
className.append("L" + baseElementType.getTypeName() + ";"); |
|
292 |
} |
|
293 |
try { |
|
294 |
mappedTypeClass = Class.forName(className.toString()); |
|
295 |
} catch (ClassNotFoundException e) { |
|
296 |
final OpenDataException ode = |
|
297 |
new OpenDataException("Cannot obtain array class"); |
|
298 |
ode.initCause(e); |
|
299 |
throw ode; |
|
300 |
} |
|
301 |
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302 |
openType = new ArrayType<>(dim, baseElementType.getOpenType()); |
2 | 303 |
} |
304 |
||
305 |
protected ArrayMXBeanType() { |
|
306 |
arrayClass = null; |
|
307 |
}; |
|
308 |
||
309 |
Type getJavaType() { |
|
310 |
return arrayClass; |
|
311 |
} |
|
312 |
||
313 |
String getName() { |
|
314 |
return arrayClass.getName(); |
|
315 |
} |
|
316 |
||
317 |
Object toOpenTypeData(Object data) throws OpenDataException { |
|
318 |
// If the base element type is a basic type |
|
319 |
// return the data as no conversion is needed. |
|
320 |
// Primitive types are not converted to wrappers. |
|
321 |
if (baseElementType.isBasicType()) { |
|
322 |
return data; |
|
323 |
} |
|
324 |
||
325 |
final Object[] array = (Object[]) data; |
|
326 |
final Object[] openArray = (Object[]) |
|
327 |
Array.newInstance(componentType.getMappedTypeClass(), |
|
328 |
array.length); |
|
329 |
int i = 0; |
|
330 |
for (Object o : array) { |
|
331 |
if (o == null) { |
|
332 |
openArray[i] = null; |
|
333 |
} else { |
|
334 |
openArray[i] = componentType.toOpenTypeData(o); |
|
335 |
} |
|
336 |
i++; |
|
337 |
} |
|
338 |
return openArray; |
|
339 |
} |
|
340 |
||
341 |
||
342 |
Object toJavaTypeData(Object data) |
|
343 |
throws OpenDataException, InvalidObjectException { |
|
344 |
||
345 |
// If the base element type is a basic type |
|
346 |
// return the data as no conversion is needed. |
|
347 |
if (baseElementType.isBasicType()) { |
|
348 |
return data; |
|
349 |
} |
|
350 |
||
351 |
final Object[] openArray = (Object[]) data; |
|
352 |
final Object[] array = (Object[]) |
|
353 |
Array.newInstance((Class) componentType.getJavaType(), |
|
354 |
openArray.length); |
|
355 |
int i = 0; |
|
356 |
for (Object o : openArray) { |
|
357 |
if (o == null) { |
|
358 |
array[i] = null; |
|
359 |
} else { |
|
360 |
array[i] = componentType.toJavaTypeData(o); |
|
361 |
} |
|
362 |
i++; |
|
363 |
} |
|
364 |
return array; |
|
365 |
} |
|
366 |
||
367 |
} |
|
368 |
||
369 |
static class GenericArrayMXBeanType extends ArrayMXBeanType { |
|
370 |
final GenericArrayType gtype; |
|
371 |
GenericArrayMXBeanType(GenericArrayType gat) throws OpenDataException { |
|
372 |
this.gtype = gat; |
|
373 |
this.componentType = getMappedType(gat.getGenericComponentType()); |
|
374 |
||
375 |
StringBuilder className = new StringBuilder(); |
|
376 |
Type elementType = gat; |
|
377 |
int dim; |
|
378 |
for (dim = 0; elementType instanceof GenericArrayType; dim++) { |
|
379 |
className.append('['); |
|
380 |
GenericArrayType et = (GenericArrayType) elementType; |
|
381 |
elementType = et.getGenericComponentType(); |
|
382 |
} |
|
383 |
baseElementType = getMappedType(elementType); |
|
384 |
if (elementType instanceof Class && ((Class) elementType).isPrimitive()) { |
|
385 |
className = new StringBuilder(gat.toString()); |
|
386 |
} else { |
|
387 |
className.append("L" + baseElementType.getTypeName() + ";"); |
|
388 |
} |
|
389 |
try { |
|
390 |
mappedTypeClass = Class.forName(className.toString()); |
|
391 |
} catch (ClassNotFoundException e) { |
|
392 |
final OpenDataException ode = |
|
393 |
new OpenDataException("Cannot obtain array class"); |
|
394 |
ode.initCause(e); |
|
395 |
throw ode; |
|
396 |
} |
|
397 |
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|
398 |
openType = new ArrayType<>(dim, baseElementType.getOpenType()); |
2 | 399 |
} |
400 |
||
401 |
Type getJavaType() { |
|
402 |
return gtype; |
|
403 |
} |
|
404 |
||
405 |
String getName() { |
|
406 |
return gtype.toString(); |
|
407 |
} |
|
408 |
} |
|
409 |
||
410 |
// List<E> |
|
411 |
// Mapped open type - Array with element of OpenType for E |
|
412 |
// |
|
413 |
// Data Mapping: |
|
414 |
// List<E> <-> openTypeData(E)[] |
|
415 |
// |
|
416 |
static class ListMXBeanType extends MappedMXBeanType { |
|
417 |
final ParameterizedType javaType; |
|
418 |
final MappedMXBeanType paramType; |
|
419 |
final String typeName; |
|
420 |
||
421 |
ListMXBeanType(ParameterizedType pt) throws OpenDataException { |
|
422 |
this.javaType = pt; |
|
423 |
||
424 |
final Type[] argTypes = pt.getActualTypeArguments(); |
|
425 |
assert(argTypes.length == 1); |
|
426 |
||
427 |
if (!(argTypes[0] instanceof Class)) { |
|
428 |
throw new OpenDataException("Element Type for " + pt + |
|
429 |
" not supported"); |
|
430 |
} |
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changeset
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431 |
final Class<?> et = (Class<?>) argTypes[0]; |
2 | 432 |
if (et.isArray()) { |
433 |
throw new OpenDataException("Element Type for " + pt + |
|
434 |
" not supported"); |
|
435 |
} |
|
436 |
paramType = getMappedType(et); |
|
437 |
typeName = "List<" + paramType.getName() + ">"; |
|
438 |
||
439 |
try { |
|
440 |
mappedTypeClass = Class.forName( |
|
441 |
"[L" + paramType.getTypeName() + ";"); |
|
442 |
} catch (ClassNotFoundException e) { |
|
443 |
final OpenDataException ode = |
|
444 |
new OpenDataException("Array class not found"); |
|
445 |
ode.initCause(e); |
|
446 |
throw ode; |
|
447 |
} |
|
11530
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mchung
parents:
5506
diff
changeset
|
448 |
openType = new ArrayType<>(1, paramType.getOpenType()); |
2 | 449 |
} |
450 |
||
451 |
Type getJavaType() { |
|
452 |
return javaType; |
|
453 |
} |
|
454 |
||
455 |
String getName() { |
|
456 |
return typeName; |
|
457 |
} |
|
458 |
||
459 |
Object toOpenTypeData(Object data) throws OpenDataException { |
|
460 |
final List<Object> list = (List<Object>) data; |
|
461 |
||
462 |
final Object[] openArray = (Object[]) |
|
463 |
Array.newInstance(paramType.getMappedTypeClass(), |
|
464 |
list.size()); |
|
465 |
int i = 0; |
|
466 |
for (Object o : list) { |
|
467 |
openArray[i++] = paramType.toOpenTypeData(o); |
|
468 |
} |
|
469 |
return openArray; |
|
470 |
} |
|
471 |
||
472 |
Object toJavaTypeData(Object data) |
|
473 |
throws OpenDataException, InvalidObjectException { |
|
474 |
||
475 |
final Object[] openArray = (Object[]) data; |
|
11530
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7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
476 |
List<Object> result = new ArrayList<>(openArray.length); |
2 | 477 |
for (Object o : openArray) { |
478 |
result.add(paramType.toJavaTypeData(o)); |
|
479 |
} |
|
480 |
return result; |
|
481 |
} |
|
482 |
} |
|
483 |
||
484 |
private static final String KEY = "key"; |
|
485 |
private static final String VALUE = "value"; |
|
486 |
private static final String[] mapIndexNames = {KEY}; |
|
487 |
private static final String[] mapItemNames = {KEY, VALUE}; |
|
488 |
||
489 |
// Map<K,V> |
|
490 |
// Mapped open type - TabularType with row type: |
|
491 |
// CompositeType: |
|
492 |
// "key" of openDataType(K) |
|
493 |
// "value" of openDataType(V) |
|
494 |
// "key" is the index name |
|
495 |
// |
|
496 |
// Data Mapping: |
|
497 |
// Map<K,V> <-> TabularData |
|
498 |
// |
|
499 |
static class MapMXBeanType extends MappedMXBeanType { |
|
500 |
final ParameterizedType javaType; |
|
501 |
final MappedMXBeanType keyType; |
|
502 |
final MappedMXBeanType valueType; |
|
503 |
final String typeName; |
|
504 |
||
505 |
MapMXBeanType(ParameterizedType pt) throws OpenDataException { |
|
506 |
this.javaType = pt; |
|
507 |
||
508 |
final Type[] argTypes = pt.getActualTypeArguments(); |
|
509 |
assert(argTypes.length == 2); |
|
510 |
this.keyType = getMappedType(argTypes[0]); |
|
511 |
this.valueType = getMappedType(argTypes[1]); |
|
512 |
||
513 |
||
514 |
// FIXME: generate typeName for generic |
|
515 |
typeName = "Map<" + keyType.getName() + "," + |
|
516 |
valueType.getName() + ">"; |
|
11530
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7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
517 |
final OpenType<?>[] mapItemTypes = new OpenType<?>[] { |
2 | 518 |
keyType.getOpenType(), |
519 |
valueType.getOpenType(), |
|
520 |
}; |
|
521 |
final CompositeType rowType = |
|
522 |
new CompositeType(typeName, |
|
523 |
typeName, |
|
524 |
mapItemNames, |
|
525 |
mapItemNames, |
|
526 |
mapItemTypes); |
|
527 |
||
528 |
openType = new TabularType(typeName, typeName, rowType, mapIndexNames); |
|
529 |
mappedTypeClass = javax.management.openmbean.TabularData.class; |
|
530 |
} |
|
531 |
||
532 |
Type getJavaType() { |
|
533 |
return javaType; |
|
534 |
} |
|
535 |
||
536 |
String getName() { |
|
537 |
return typeName; |
|
538 |
} |
|
539 |
||
540 |
Object toOpenTypeData(Object data) throws OpenDataException { |
|
541 |
final Map<Object,Object> map = (Map<Object,Object>) data; |
|
542 |
final TabularType tabularType = (TabularType) openType; |
|
543 |
final TabularData table = new TabularDataSupport(tabularType); |
|
544 |
final CompositeType rowType = tabularType.getRowType(); |
|
545 |
||
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
546 |
for (Map.Entry<Object, Object> entry : map.entrySet()) { |
2 | 547 |
final Object key = keyType.toOpenTypeData(entry.getKey()); |
548 |
final Object value = valueType.toOpenTypeData(entry.getValue()); |
|
549 |
final CompositeData row = |
|
550 |
new CompositeDataSupport(rowType, |
|
551 |
mapItemNames, |
|
552 |
new Object[] {key, value}); |
|
553 |
table.put(row); |
|
554 |
} |
|
555 |
return table; |
|
556 |
} |
|
557 |
||
558 |
Object toJavaTypeData(Object data) |
|
559 |
throws OpenDataException, InvalidObjectException { |
|
560 |
||
561 |
final TabularData td = (TabularData) data; |
|
562 |
||
11530
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7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
563 |
Map<Object, Object> result = new HashMap<>(); |
2 | 564 |
for (CompositeData row : (Collection<CompositeData>) td.values()) { |
565 |
Object key = keyType.toJavaTypeData(row.get(KEY)); |
|
566 |
Object value = valueType.toJavaTypeData(row.get(VALUE)); |
|
567 |
result.put(key, value); |
|
568 |
} |
|
569 |
return result; |
|
570 |
} |
|
571 |
} |
|
572 |
||
573 |
private static final Class<?> COMPOSITE_DATA_CLASS = |
|
574 |
javax.management.openmbean.CompositeData.class; |
|
575 |
||
576 |
// Classes that have a static from method |
|
577 |
// Mapped open type - CompositeData |
|
578 |
// |
|
579 |
// Data Mapping: |
|
580 |
// Classes <-> CompositeData |
|
581 |
// |
|
582 |
// The name and type of items for a class are identified from |
|
583 |
// the getter methods. For example, a class defines a method: |
|
584 |
// |
|
585 |
// public FooType getFoo(); |
|
586 |
// |
|
587 |
// The composite data view for this class will contain one |
|
588 |
// item entry for a "foo" attribute and the item type is |
|
589 |
// one of the open types defined in the OpenType class that |
|
590 |
// can be determined in the following manner: |
|
591 |
// o If FooType is a primitive type, the item type a wrapper |
|
592 |
// class for the corresponding primitive type (such as |
|
593 |
// Integer, Long, Boolean, etc). |
|
594 |
// o If FooType is of type CompositeData or TabularData, |
|
595 |
// the item type is FooType. |
|
596 |
// o If FooType is an Enum, the item type is a String and |
|
597 |
// the value is the name of the enum constant. |
|
598 |
// o If FooType is a class or an interface other than the above, |
|
599 |
// the item type is CompositeData. The same convention |
|
600 |
// can be recursively applied to the FooType class when |
|
601 |
// constructing the composite data for the "foo" attribute. |
|
602 |
// o If FooType is an array, the item type is an array and |
|
603 |
// its element type is determined as described above. |
|
604 |
// |
|
605 |
static class CompositeDataMXBeanType extends MappedMXBeanType { |
|
606 |
final Class<?> javaClass; |
|
607 |
final boolean isCompositeData; |
|
608 |
Method fromMethod = null; |
|
609 |
||
11530
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7117570: Warnings in sun.mangement.* and its subpackages
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parents:
5506
diff
changeset
|
610 |
CompositeDataMXBeanType(Class<?> c) throws OpenDataException { |
2 | 611 |
this.javaClass = c; |
612 |
this.mappedTypeClass = COMPOSITE_DATA_CLASS; |
|
613 |
||
614 |
// check if a static from method exists |
|
615 |
try { |
|
616 |
fromMethod = AccessController.doPrivileged(new PrivilegedExceptionAction<Method>() { |
|
617 |
public Method run() throws NoSuchMethodException { |
|
618 |
return javaClass.getMethod("from", COMPOSITE_DATA_CLASS); |
|
619 |
} |
|
620 |
}); |
|
621 |
} catch (PrivilegedActionException e) { |
|
622 |
// ignore NoSuchMethodException since we allow classes |
|
623 |
// that has no from method to be embeded in another class. |
|
624 |
} |
|
625 |
||
626 |
if (COMPOSITE_DATA_CLASS.isAssignableFrom(c)) { |
|
627 |
// c implements CompositeData - set openType to null |
|
628 |
// defer generating the CompositeType |
|
629 |
// until the object is constructed |
|
630 |
this.isCompositeData = true; |
|
631 |
this.openType = null; |
|
632 |
} else { |
|
633 |
this.isCompositeData = false; |
|
634 |
||
635 |
// Make a CompositeData containing all the getters |
|
636 |
final Method[] methods = |
|
637 |
AccessController.doPrivileged(new PrivilegedAction<Method[]>() { |
|
638 |
public Method[] run() { |
|
639 |
return javaClass.getMethods(); |
|
640 |
} |
|
641 |
}); |
|
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
642 |
final List<String> names = new ArrayList<>(); |
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
643 |
final List<OpenType<?>> types = new ArrayList<>(); |
2 | 644 |
|
645 |
/* Select public methods that look like "T getX()" or "boolean |
|
646 |
isX()", where T is not void and X is not the empty |
|
647 |
string. Exclude "Class getClass()" inherited from Object. */ |
|
648 |
for (int i = 0; i < methods.length; i++) { |
|
649 |
final Method method = methods[i]; |
|
650 |
final String name = method.getName(); |
|
651 |
final Type type = method.getGenericReturnType(); |
|
652 |
final String rest; |
|
653 |
if (name.startsWith("get")) { |
|
654 |
rest = name.substring(3); |
|
655 |
} else if (name.startsWith("is") && |
|
656 |
type instanceof Class && |
|
657 |
((Class) type) == boolean.class) { |
|
658 |
rest = name.substring(2); |
|
659 |
} else { |
|
660 |
// ignore non-getter methods |
|
661 |
continue; |
|
662 |
} |
|
663 |
||
664 |
if (rest.equals("") || |
|
665 |
method.getParameterTypes().length > 0 || |
|
666 |
type == void.class || |
|
667 |
rest.equals("Class")) { |
|
668 |
||
669 |
// ignore non-getter methods |
|
670 |
continue; |
|
671 |
} |
|
672 |
names.add(decapitalize(rest)); |
|
673 |
types.add(toOpenType(type)); |
|
674 |
} |
|
675 |
||
676 |
final String[] nameArray = names.toArray(new String[0]); |
|
677 |
openType = new CompositeType(c.getName(), |
|
678 |
c.getName(), |
|
679 |
nameArray, // field names |
|
680 |
nameArray, // field descriptions |
|
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
681 |
types.toArray(new OpenType<?>[0])); |
2 | 682 |
} |
683 |
} |
|
684 |
||
685 |
Type getJavaType() { |
|
686 |
return javaClass; |
|
687 |
} |
|
688 |
||
689 |
String getName() { |
|
690 |
return javaClass.getName(); |
|
691 |
} |
|
692 |
||
693 |
Object toOpenTypeData(Object data) throws OpenDataException { |
|
694 |
if (data instanceof MemoryUsage) { |
|
695 |
return MemoryUsageCompositeData.toCompositeData((MemoryUsage) data); |
|
696 |
} |
|
697 |
||
698 |
if (data instanceof ThreadInfo) { |
|
699 |
return ThreadInfoCompositeData.toCompositeData((ThreadInfo) data); |
|
700 |
} |
|
701 |
||
702 |
if (data instanceof LockInfo) { |
|
703 |
if (data instanceof java.lang.management.MonitorInfo) { |
|
704 |
return MonitorInfoCompositeData.toCompositeData((MonitorInfo) data); |
|
705 |
} |
|
706 |
return LockDataConverter.toLockInfoCompositeData((LockInfo) data); |
|
707 |
} |
|
708 |
||
709 |
if (data instanceof MemoryNotificationInfo) { |
|
710 |
return MemoryNotifInfoCompositeData. |
|
711 |
toCompositeData((MemoryNotificationInfo) data); |
|
712 |
} |
|
713 |
||
714 |
if (data instanceof VMOption) { |
|
715 |
return VMOptionCompositeData.toCompositeData((VMOption) data); |
|
716 |
} |
|
717 |
||
718 |
if (isCompositeData) { |
|
719 |
// Classes that implement CompositeData |
|
720 |
// |
|
721 |
// construct a new CompositeDataSupport object |
|
722 |
// so that no other classes are sent over the wire |
|
723 |
CompositeData cd = (CompositeData) data; |
|
724 |
CompositeType ct = cd.getCompositeType(); |
|
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
725 |
String[] itemNames = ct.keySet().toArray(new String[0]); |
2 | 726 |
Object[] itemValues = cd.getAll(itemNames); |
727 |
return new CompositeDataSupport(ct, itemNames, itemValues); |
|
728 |
} |
|
729 |
||
730 |
throw new OpenDataException(javaClass.getName() + |
|
731 |
" is not supported for platform MXBeans"); |
|
732 |
} |
|
733 |
||
734 |
Object toJavaTypeData(Object data) |
|
735 |
throws OpenDataException, InvalidObjectException { |
|
736 |
||
737 |
if (fromMethod == null) { |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
738 |
throw new AssertionError("Does not support data conversion"); |
2 | 739 |
} |
740 |
||
741 |
try { |
|
742 |
return fromMethod.invoke(null, data); |
|
743 |
} catch (IllegalAccessException e) { |
|
744 |
// should never reach here |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
745 |
throw new AssertionError(e); |
2 | 746 |
} catch (InvocationTargetException e) { |
747 |
final OpenDataException ode = |
|
748 |
new OpenDataException("Failed to invoke " + |
|
749 |
fromMethod.getName() + " to convert CompositeData " + |
|
750 |
" to " + javaClass.getName()); |
|
751 |
ode.initCause(e); |
|
752 |
throw ode; |
|
753 |
} |
|
754 |
} |
|
755 |
} |
|
756 |
||
757 |
private static class InProgress extends OpenType { |
|
758 |
private static final String description = |
|
759 |
"Marker to detect recursive type use -- internal use only!"; |
|
760 |
||
761 |
InProgress() throws OpenDataException { |
|
762 |
super("java.lang.String", "java.lang.String", description); |
|
763 |
} |
|
764 |
||
765 |
public String toString() { |
|
766 |
return description; |
|
767 |
} |
|
768 |
||
769 |
public int hashCode() { |
|
770 |
return 0; |
|
771 |
} |
|
772 |
||
773 |
public boolean equals(Object o) { |
|
774 |
return false; |
|
775 |
} |
|
776 |
||
777 |
public boolean isValue(Object o) { |
|
778 |
return false; |
|
779 |
} |
|
4173
d01972926813
6895875: Missing serialVersionUID in sun.management classes
mchung
parents:
715
diff
changeset
|
780 |
private static final long serialVersionUID = -3413063475064374490L; |
2 | 781 |
} |
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
782 |
private static final OpenType<?> inProgress; |
2 | 783 |
static { |
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
784 |
OpenType<?> t; |
2 | 785 |
try { |
786 |
t = new InProgress(); |
|
787 |
} catch (OpenDataException e) { |
|
788 |
// Should not reach here |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
789 |
throw new AssertionError(e); |
2 | 790 |
} |
791 |
inProgress = t; |
|
792 |
} |
|
793 |
||
794 |
private static final OpenType[] simpleTypes = { |
|
795 |
BIGDECIMAL, BIGINTEGER, BOOLEAN, BYTE, CHARACTER, DATE, |
|
796 |
DOUBLE, FLOAT, INTEGER, LONG, OBJECTNAME, SHORT, STRING, |
|
797 |
VOID, |
|
798 |
}; |
|
799 |
static { |
|
800 |
try { |
|
801 |
for (int i = 0; i < simpleTypes.length; i++) { |
|
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
802 |
final OpenType<?> t = simpleTypes[i]; |
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
803 |
Class<?> c; |
2 | 804 |
try { |
805 |
c = Class.forName(t.getClassName(), false, |
|
806 |
String.class.getClassLoader()); |
|
807 |
MappedMXBeanType.newBasicType(c, t); |
|
808 |
} catch (ClassNotFoundException e) { |
|
809 |
// the classes that these predefined types declare |
|
810 |
// must exist! |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
811 |
throw new AssertionError(e); |
2 | 812 |
} catch (OpenDataException e) { |
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
813 |
throw new AssertionError(e); |
2 | 814 |
} |
815 |
||
816 |
if (c.getName().startsWith("java.lang.")) { |
|
817 |
try { |
|
818 |
final Field typeField = c.getField("TYPE"); |
|
11530
a9d059c15b80
7117570: Warnings in sun.mangement.* and its subpackages
mchung
parents:
5506
diff
changeset
|
819 |
final Class<?> primitiveType = (Class<?>) typeField.get(null); |
2 | 820 |
MappedMXBeanType.newBasicType(primitiveType, t); |
821 |
} catch (NoSuchFieldException e) { |
|
822 |
// OK: must not be a primitive wrapper |
|
823 |
} catch (IllegalAccessException e) { |
|
824 |
// Should not reach here |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
825 |
throw new AssertionError(e); |
2 | 826 |
} |
827 |
} |
|
828 |
} |
|
829 |
} catch (OpenDataException e) { |
|
401
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
2
diff
changeset
|
830 |
throw new AssertionError(e); |
2 | 831 |
} |
832 |
} |
|
833 |
||
834 |
/** |
|
835 |
* Utility method to take a string and convert it to normal Java variable |
|
836 |
* name capitalization. This normally means converting the first |
|
837 |
* character from upper case to lower case, but in the (unusual) special |
|
838 |
* case when there is more than one character and both the first and |
|
839 |
* second characters are upper case, we leave it alone. |
|
840 |
* <p> |
|
841 |
* Thus "FooBah" becomes "fooBah" and "X" becomes "x", but "URL" stays |
|
842 |
* as "URL". |
|
843 |
* |
|
844 |
* @param name The string to be decapitalized. |
|
845 |
* @return The decapitalized version of the string. |
|
846 |
*/ |
|
847 |
private static String decapitalize(String name) { |
|
848 |
if (name == null || name.length() == 0) { |
|
849 |
return name; |
|
850 |
} |
|
851 |
if (name.length() > 1 && Character.isUpperCase(name.charAt(1)) && |
|
852 |
Character.isUpperCase(name.charAt(0))){ |
|
853 |
return name; |
|
854 |
} |
|
855 |
char chars[] = name.toCharArray(); |
|
856 |
chars[0] = Character.toLowerCase(chars[0]); |
|
857 |
return new String(chars); |
|
858 |
} |
|
859 |
||
860 |
} |