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1 /* |
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2 * Portions Copyright 1998-2007 Sun Microsystems, Inc. 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. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 |
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26 /* |
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27 * Licensed Materials - Property of IBM |
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28 * RMI-IIOP v1.0 |
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29 * Copyright IBM Corp. 1998 1999 All Rights Reserved |
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30 * |
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31 */ |
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32 |
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33 package sun.rmi.rmic.iiop; |
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34 |
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35 import sun.tools.java.ClassNotFound; |
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36 import sun.tools.java.CompilerError; |
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37 import sun.tools.java.Identifier; |
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38 import sun.tools.java.ClassDeclaration; |
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39 import sun.tools.java.ClassDefinition; |
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40 |
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41 /** |
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42 * SpecialInterfaceType represents any one of the following types: |
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43 * <pre> |
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44 * java.rmi.Remote |
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45 * java.io.Serializable |
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46 * java.io.Externalizable |
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47 * org.omg.CORBA.Object |
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48 * org.omg.CORBA.portable.IDLEntity |
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49 * </pre> |
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50 * all of which are treated as special cases. For all but CORBA.Object, |
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51 * the type must match exactly. For CORBA.Object, the type must either be |
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52 * CORBA.Object or inherit from it. |
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53 * <p> |
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54 * The static forSpecial(...) method must be used to obtain an instance, and |
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55 * will return null if the type is non-conforming. |
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56 * |
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57 * @author Bryan Atsatt |
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58 */ |
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59 public class SpecialInterfaceType extends InterfaceType { |
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60 |
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61 //_____________________________________________________________________ |
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62 // Public Interfaces |
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63 //_____________________________________________________________________ |
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64 |
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65 /** |
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66 * Create a SpecialInterfaceType object for the given class. |
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67 * |
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68 * If the class is not a properly formed or if some other error occurs, the |
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69 * return value will be null, and errors will have been reported to the |
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70 * supplied BatchEnvironment. |
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71 */ |
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72 public static SpecialInterfaceType forSpecial ( ClassDefinition theClass, |
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73 ContextStack stack) { |
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74 |
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75 if (stack.anyErrors()) return null; |
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76 |
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77 // Do we already have it? |
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78 |
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79 sun.tools.java.Type type = theClass.getType(); |
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80 Type existing = getType(type,stack); |
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81 |
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82 if (existing != null) { |
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83 |
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84 if (!(existing instanceof SpecialInterfaceType)) return null; // False hit. |
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85 |
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86 // Yep, so return it... |
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87 |
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88 return (SpecialInterfaceType) existing; |
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89 } |
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90 |
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91 // Is it special? |
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92 |
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93 if (isSpecial(type,theClass,stack)) { |
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94 |
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95 // Yes... |
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96 |
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97 SpecialInterfaceType result = new SpecialInterfaceType(stack,0,theClass); |
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98 putType(type,result,stack); |
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99 stack.push(result); |
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100 |
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101 if (result.initialize(type,stack)) { |
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102 stack.pop(true); |
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103 return result; |
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104 } else { |
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105 removeType(type,stack); |
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106 stack.pop(false); |
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107 return null; |
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108 } |
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109 } |
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110 return null; |
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111 } |
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112 |
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113 /** |
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114 * Return a string describing this type. |
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115 */ |
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116 public String getTypeDescription () { |
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117 return "Special interface"; |
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118 } |
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119 |
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120 //_____________________________________________________________________ |
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121 // Subclass/Internal Interfaces |
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122 //_____________________________________________________________________ |
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123 |
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124 /** |
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125 * Create an SpecialInterfaceType instance for the given class. |
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126 */ |
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127 private SpecialInterfaceType(ContextStack stack, int typeCode, |
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128 ClassDefinition theClass) { |
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129 super(stack,typeCode | TM_SPECIAL_INTERFACE | TM_INTERFACE | TM_COMPOUND, theClass); |
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130 setNames(theClass.getName(),null,null); // Fixed in initialize. |
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131 } |
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132 |
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133 private static boolean isSpecial(sun.tools.java.Type type, |
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134 ClassDefinition theClass, |
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135 ContextStack stack) { |
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136 if (type.isType(TC_CLASS)) { |
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137 Identifier id = type.getClassName(); |
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138 |
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139 if (id.equals(idRemote)) return true; |
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140 if (id == idJavaIoSerializable) return true; |
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141 if (id == idJavaIoExternalizable) return true; |
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142 if (id == idCorbaObject) return true; |
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143 if (id == idIDLEntity) return true; |
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144 BatchEnvironment env = stack.getEnv(); |
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145 try { |
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146 if (env.defCorbaObject.implementedBy(env,theClass.getClassDeclaration())) return true; |
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147 } catch (ClassNotFound e) { |
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148 classNotFound(stack,e); |
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149 } |
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150 } |
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151 return false; |
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152 } |
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153 |
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154 private boolean initialize(sun.tools.java.Type type, ContextStack stack) { |
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155 |
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156 int typeCode = TYPE_NONE; |
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157 Identifier id = null; |
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158 String idlName = null; |
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159 String[] idlModuleName = null; |
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160 boolean constant = stack.size() > 0 && stack.getContext().isConstant(); |
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161 |
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162 if (type.isType(TC_CLASS)) { |
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163 id = type.getClassName(); |
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164 |
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165 if (id.equals(idRemote)) { |
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166 typeCode = TYPE_JAVA_RMI_REMOTE; |
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167 idlName = IDL_JAVA_RMI_REMOTE; |
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168 idlModuleName = IDL_JAVA_RMI_MODULE; |
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169 } else if (id == idJavaIoSerializable) { |
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170 typeCode = TYPE_ANY; |
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171 idlName = IDL_SERIALIZABLE; |
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172 idlModuleName = IDL_JAVA_IO_MODULE; |
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173 } else if (id == idJavaIoExternalizable) { |
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174 typeCode = TYPE_ANY; |
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175 idlName = IDL_EXTERNALIZABLE; |
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176 idlModuleName = IDL_JAVA_IO_MODULE; |
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177 } else if (id == idIDLEntity) { |
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178 typeCode = TYPE_ANY; |
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179 idlName = IDL_IDLENTITY; |
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180 idlModuleName = IDL_ORG_OMG_CORBA_PORTABLE_MODULE; |
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181 } else { |
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182 |
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183 typeCode = TYPE_CORBA_OBJECT; |
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184 |
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185 // Is it exactly org.omg.CORBA.Object? |
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186 |
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187 if (id == idCorbaObject) { |
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188 |
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189 // Yes, so special case... |
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190 |
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191 idlName = IDLNames.getTypeName(typeCode,constant); |
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192 idlModuleName = null; |
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193 |
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194 } else { |
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195 |
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196 // No, so get the correct names... |
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197 |
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198 try { |
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199 |
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200 // These can fail if we get case-sensitive name matches... |
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201 |
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202 idlName = IDLNames.getClassOrInterfaceName(id,env); |
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203 idlModuleName = IDLNames.getModuleNames(id,isBoxed(),env); |
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204 |
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205 } catch (Exception e) { |
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206 failedConstraint(7,false,stack,id.toString(),e.getMessage()); |
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207 throw new CompilerError(""); |
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208 } |
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209 } |
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210 } |
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211 } |
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212 |
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213 if (typeCode == TYPE_NONE) { |
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214 return false; |
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215 } |
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216 |
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217 // Reset type code... |
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218 |
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219 setTypeCode(typeCode | TM_SPECIAL_INTERFACE | TM_INTERFACE | TM_COMPOUND); |
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220 |
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221 // Set names |
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222 |
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223 if (idlName == null) { |
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224 throw new CompilerError("Not a special type"); |
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225 } |
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226 |
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227 setNames(id,idlModuleName,idlName); |
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228 |
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229 // Initialize CompoundType... |
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230 |
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231 return initialize(null,null,null,stack,false); |
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232 } |
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233 } |