1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package sun.misc; |
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27 |
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28 import java.lang.annotation.Annotation; |
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29 import java.lang.reflect.Executable; |
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30 import java.security.AccessControlContext; |
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31 import java.util.Map; |
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32 |
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33 import sun.reflect.ConstantPool; |
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34 import sun.reflect.annotation.AnnotationType; |
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35 import sun.nio.ch.Interruptible; |
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36 |
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37 public interface JavaLangAccess { |
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38 /** Return the constant pool for a class. */ |
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39 ConstantPool getConstantPool(Class<?> klass); |
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40 |
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41 /** |
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42 * Compare-And-Swap the AnnotationType instance corresponding to this class. |
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43 * (This method only applies to annotation types.) |
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44 */ |
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45 boolean casAnnotationType(Class<?> klass, AnnotationType oldType, AnnotationType newType); |
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46 |
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47 /** |
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48 * Get the AnnotationType instance corresponding to this class. |
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49 * (This method only applies to annotation types.) |
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50 */ |
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51 AnnotationType getAnnotationType(Class<?> klass); |
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52 |
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53 /** |
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54 * Get the declared annotations for a given class, indexed by their types. |
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55 */ |
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56 Map<Class<? extends Annotation>, Annotation> getDeclaredAnnotationMap(Class<?> klass); |
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57 |
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58 /** |
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59 * Get the array of bytes that is the class-file representation |
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60 * of this Class' annotations. |
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61 */ |
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62 byte[] getRawClassAnnotations(Class<?> klass); |
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63 |
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64 /** |
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65 * Get the array of bytes that is the class-file representation |
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66 * of this Class' type annotations. |
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67 */ |
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68 byte[] getRawClassTypeAnnotations(Class<?> klass); |
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69 |
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70 /** |
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71 * Get the array of bytes that is the class-file representation |
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72 * of this Executable's type annotations. |
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73 */ |
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74 byte[] getRawExecutableTypeAnnotations(Executable executable); |
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75 |
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76 /** |
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77 * Returns the elements of an enum class or null if the |
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78 * Class object does not represent an enum type; |
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79 * the result is uncloned, cached, and shared by all callers. |
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80 */ |
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81 <E extends Enum<E>> E[] getEnumConstantsShared(Class<E> klass); |
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82 |
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83 /** Set thread's blocker field. */ |
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84 void blockedOn(Thread t, Interruptible b); |
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85 |
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86 /** |
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87 * Registers a shutdown hook. |
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88 * |
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89 * It is expected that this method with registerShutdownInProgress=true |
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90 * is only used to register DeleteOnExitHook since the first file |
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91 * may be added to the delete on exit list by the application shutdown |
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92 * hooks. |
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93 * |
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94 * @param slot the slot in the shutdown hook array, whose element |
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95 * will be invoked in order during shutdown |
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96 * @param registerShutdownInProgress true to allow the hook |
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97 * to be registered even if the shutdown is in progress. |
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98 * @param hook the hook to be registered |
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99 * |
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100 * @throws IllegalStateException if shutdown is in progress and |
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101 * the slot is not valid to register. |
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102 */ |
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103 void registerShutdownHook(int slot, boolean registerShutdownInProgress, Runnable hook); |
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104 |
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105 /** |
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106 * Returns the number of stack frames represented by the given throwable. |
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107 */ |
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108 int getStackTraceDepth(Throwable t); |
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109 |
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110 /** |
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111 * Returns the ith StackTraceElement for the given throwable. |
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112 */ |
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113 StackTraceElement getStackTraceElement(Throwable t, int i); |
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114 |
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115 /** |
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116 * Returns a new string backed by the provided character array. The |
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117 * character array is not copied and must never be modified after the |
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118 * String is created, in order to fulfill String's contract. |
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119 * |
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120 * @param chars the character array to back the string |
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121 * @return a newly created string whose content is the character array |
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122 */ |
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123 String newStringUnsafe(char[] chars); |
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124 |
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125 /** |
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126 * Returns a new Thread with the given Runnable and an |
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127 * inherited AccessControlContext. |
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128 */ |
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129 Thread newThreadWithAcc(Runnable target, AccessControlContext acc); |
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130 |
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131 /** |
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132 * Invokes the finalize method of the given object. |
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133 */ |
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134 void invokeFinalize(Object o) throws Throwable; |
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135 |
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136 /** |
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137 * Invokes Long.formatUnsignedLong(long val, int shift, char[] buf, int offset, int len) |
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138 */ |
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139 void formatUnsignedLong(long val, int shift, char[] buf, int offset, int len); |
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140 |
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141 /** |
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142 * Invokes Integer.formatUnsignedInt(long val, int shift, char[] buf, int offset, int len) |
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143 */ |
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144 void formatUnsignedInt(int val, int shift, char[] buf, int offset, int len); |
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145 } |
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