/*
* TODO: This is identical to FieldInfo.getTypeString(), except for the
* 'V' case. It is also very similar to #getParameterTypes(). Try
* to refactor common code from these methods.
*/
private String getReturnTypeStringFromDescriptor(boolean qualified) {
String descriptor = getDescriptor();
int rparen = descriptor.indexOf(')');
descriptor = descriptor.substring(rparen + 1); // return type desc.
StringBuffer sb = new StringBuffer();
int braceCount = descriptor.lastIndexOf('[') + 1;
switch (descriptor.charAt(braceCount)) {
// BaseType
case 'B':
sb.append("byte");
break;
case 'C':
sb.append("char");
break;
case 'D':
sb.append("double");
break;
case 'F':
sb.append("float");
break;
case 'I':
sb.append("int");
break;
case 'J':
sb.append("long");
break;
case 'S':
sb.append("short");
break;
case 'Z':
sb.append("boolean");
break;
case 'V':
sb.append("void");
break;
// ObjectType
case 'L':
String clazz = descriptor.substring(1, descriptor.length() - 1);
// clazz = clazz.substring(clazz.lastIndexOf('/')+1);
clazz =
qualified
? org.fife.rsta.ac.java.Util.replaceChar(clazz, '/', '.')
: clazz.substring(clazz.lastIndexOf('/') + 1);
// clazz = clazz.substring(clazz.lastIndexOf('/')+1);
sb.append(clazz);
break;
// Invalid field descriptor
default:
sb.append("UNSUPPORTED_TYPE_").append(descriptor);
break;
}
for (int i = 0; i < braceCount; i++) {
sb.append("[]");
}
return sb.toString();
}
/**
* Creates an array of types of each parameter by looking at the method's descriptor field. This
* technique should work with Java 1.0+, but won't pick up on generic types added in Java 5.
*
* @return The parameter types.
* @see #createParamTypesFromTypeSignature()
*/
private String[] createParamTypesFromDescriptor(boolean qualified) {
String descriptor = getDescriptor();
int rparen = descriptor.indexOf(')');
String paramDescriptors = descriptor.substring(1, rparen);
// String returnDescriptor = descriptor.substring(rparen+1);
List paramTypeList = new ArrayList();
String type = null;
while (paramDescriptors.length() > 0) {
// Can't do lastIndexOf() as there may be > 1 array parameter
// in the descriptors.
// int braceCount = paramDescriptors.lastIndexOf('[') + 1;
int braceCount = -1;
while (paramDescriptors.charAt(++braceCount) == '[') ;
int pos = braceCount;
switch (paramDescriptors.charAt(pos)) {
// BaseType
case 'B':
type = "byte";
pos++;
break;
case 'C':
type = "char";
pos++;
break;
case 'D':
type = "double";
pos++;
break;
case 'F':
type = "float";
pos++;
break;
case 'I':
type = "int";
pos++;
break;
case 'J':
type = "long";
pos++;
break;
case 'S':
type = "short";
pos++;
break;
case 'Z':
type = "boolean";
pos++;
break;
// ObjectType
case 'L':
String clazz = paramDescriptors.substring(pos + 1, paramDescriptors.indexOf(';'));
type =
qualified
? org.fife.rsta.ac.java.Util.replaceChar(clazz, '/', '.')
: clazz.substring(clazz.lastIndexOf('/') + 1);
// clazz = org.fife.rsta.ac.java.Util.replaceChar(clazz, '/', '.');
// type = clazz;
pos += clazz.length() + 2; // "+2" for the 'L' & semicolon
break;
// Invalid method descriptor
default:
String temp = "INVALID_TYPE_" + paramDescriptors;
type = temp;
pos += paramDescriptors.length();
break;
}
for (int i = 0; i < braceCount; i++) {
type += "[]";
}
paramTypeList.add(type);
paramDescriptors = paramDescriptors.substring(pos);
}
String[] types = new String[paramTypeList.size()];
types = (String[]) paramTypeList.toArray(types);
return types;
}
