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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 java.util.Vector; |
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36 import java.util.HashSet; |
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37 import sun.tools.java.CompilerError; |
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38 import sun.tools.java.Identifier; |
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39 import sun.tools.java.ClassDefinition; |
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40 import java.lang.reflect.Array; |
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41 |
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42 /** |
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43 * ArrayType is a wrapper for any of the other types. The getElementType() |
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44 * method can be used to get the array element type. The getArrayDimension() |
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45 * method can be used to get the array dimension. |
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46 * |
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47 * @author Bryan Atsatt |
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48 */ |
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49 public class ArrayType extends Type { |
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50 |
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51 private Type type; |
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52 private int arrayDimension; |
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53 private String brackets; |
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54 private String bracketsSig; |
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55 |
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56 //_____________________________________________________________________ |
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57 // Public Interfaces |
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58 //_____________________________________________________________________ |
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59 |
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60 /** |
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61 * Create an ArrayType object for the given type. |
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62 * |
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63 * If the class is not a properly formed or if some other error occurs, the |
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64 * return value will be null, and errors will have been reported to the |
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65 * supplied BatchEnvironment. |
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66 */ |
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67 public static ArrayType forArray( sun.tools.java.Type theType, |
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68 ContextStack stack) { |
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69 |
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70 |
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71 ArrayType result = null; |
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72 sun.tools.java.Type arrayType = theType; |
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73 |
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74 if (arrayType.getTypeCode() == TC_ARRAY) { |
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75 |
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76 // Find real type... |
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77 |
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78 while (arrayType.getTypeCode() == TC_ARRAY) { |
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79 arrayType = arrayType.getElementType(); |
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80 } |
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81 |
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82 // Do we already have it? |
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83 |
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84 Type existing = getType(theType,stack); |
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85 if (existing != null) { |
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86 |
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87 if (!(existing instanceof ArrayType)) return null; // False hit. |
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88 |
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89 // Yep, so return it... |
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90 |
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91 return (ArrayType) existing; |
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92 } |
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93 |
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94 // Now try to make a Type from it... |
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95 |
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96 Type temp = CompoundType.makeType(arrayType,null,stack); |
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97 |
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98 if (temp != null) { |
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99 |
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100 // Got a valid one. Make an array type... |
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101 |
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102 result = new ArrayType(stack,temp,theType.getArrayDimension()); |
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103 |
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104 // Add it... |
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105 |
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106 putType(theType,result,stack); |
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107 |
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108 // Do the stack thing in case tracing on... |
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109 |
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110 stack.push(result); |
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111 stack.pop(true); |
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112 } |
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113 } |
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114 |
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115 return result; |
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116 } |
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117 |
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118 /** |
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119 * Return signature for this type (e.g. com.acme.Dynamite |
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120 * would return "com.acme.Dynamite", byte = "B") |
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121 */ |
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122 public String getSignature() { |
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123 return bracketsSig + type.getSignature(); |
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124 } |
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125 |
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126 /** |
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127 * Get element type. Returns null if not an array. |
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128 */ |
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129 public Type getElementType () { |
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130 return type; |
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131 } |
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132 |
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133 /** |
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134 * Get array dimension. Returns zero if not an array. |
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135 */ |
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136 public int getArrayDimension () { |
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137 return arrayDimension; |
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138 } |
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139 |
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140 /** |
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141 * Get brackets string. Returns "" if not an array. |
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142 */ |
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143 public String getArrayBrackets () { |
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144 return brackets; |
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145 } |
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146 |
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147 /** |
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148 * Return a string representation of this type. |
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149 */ |
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150 public String toString () { |
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151 return getQualifiedName() + brackets; |
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152 } |
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153 |
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154 /** |
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155 * Return a string describing this type. |
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156 */ |
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157 public String getTypeDescription () { |
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158 return "Array of " + type.getTypeDescription(); |
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159 } |
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160 |
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161 |
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162 /** |
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163 * Return the name of this type. For arrays, will include "[]" if useIDLNames == false. |
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164 * @param useQualifiedNames If true, print qualified names; otherwise, print unqualified names. |
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165 * @param useIDLNames If true, print IDL names; otherwise, print java names. |
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166 * @param globalIDLNames If true and useIDLNames true, prepends "::". |
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167 */ |
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168 public String getTypeName ( boolean useQualifiedNames, |
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169 boolean useIDLNames, |
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170 boolean globalIDLNames) { |
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171 if (useIDLNames) { |
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172 return super.getTypeName(useQualifiedNames,useIDLNames,globalIDLNames); |
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173 } else { |
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174 return super.getTypeName(useQualifiedNames,useIDLNames,globalIDLNames) + brackets; |
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175 } |
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176 } |
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177 |
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178 //_____________________________________________________________________ |
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179 // Subclass/Internal Interfaces |
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180 //_____________________________________________________________________ |
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181 |
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182 |
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183 /** |
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184 * Convert all invalid types to valid ones. |
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185 */ |
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186 protected void swapInvalidTypes () { |
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187 if (type.getStatus() != STATUS_VALID) { |
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188 type = getValidType(type); |
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189 } |
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190 } |
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191 |
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192 /* |
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193 * Add matching types to list. Return true if this type has not |
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194 * been previously checked, false otherwise. |
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195 */ |
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196 protected boolean addTypes (int typeCodeFilter, |
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197 HashSet checked, |
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198 Vector matching) { |
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199 |
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200 // Check self. |
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201 |
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202 boolean result = super.addTypes(typeCodeFilter,checked,matching); |
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203 |
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204 // Have we been checked before? |
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205 |
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206 if (result) { |
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207 |
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208 // No, so add element type... |
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209 |
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210 getElementType().addTypes(typeCodeFilter,checked,matching); |
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211 } |
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212 |
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213 return result; |
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214 } |
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215 |
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216 /** |
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217 * Create an ArrayType instance for the given type. The resulting |
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218 * object is not yet completely initialized. |
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219 */ |
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220 private ArrayType(ContextStack stack, Type type, int arrayDimension) { |
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221 super(stack,TYPE_ARRAY); |
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222 this.type = type; |
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223 this.arrayDimension = arrayDimension; |
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224 |
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225 // Create our brackets string... |
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226 |
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227 brackets = ""; |
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228 bracketsSig = ""; |
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229 for (int i = 0; i < arrayDimension; i ++) { |
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230 brackets += "[]"; |
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231 bracketsSig += "["; |
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232 } |
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233 |
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234 // Now set our names... |
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235 |
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236 String idlName = IDLNames.getArrayName(type,arrayDimension); |
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237 String[] module = IDLNames.getArrayModuleNames(type); |
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238 setNames(type.getIdentifier(),module,idlName); |
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239 |
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240 // Set our repositoryID... |
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241 |
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242 setRepositoryID(); |
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243 } |
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244 |
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245 |
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246 /* |
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247 * Load a Class instance. Return null if fail. |
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248 */ |
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249 protected Class loadClass() { |
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250 Class result = null; |
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251 Class elementClass = type.getClassInstance(); |
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252 if (elementClass != null) { |
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253 result = Array.newInstance(elementClass, new int[arrayDimension]).getClass(); |
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254 } |
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255 return result; |
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256 } |
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257 |
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258 /** |
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259 * Release all resources |
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260 */ |
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261 protected void destroy () { |
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262 super.destroy(); |
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263 if (type != null) { |
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264 type.destroy(); |
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265 type = null; |
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266 } |
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267 brackets = null; |
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268 bracketsSig = null; |
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269 } |
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270 } |