/**
* Returns the signature of this method, as determined from its method descriptor.
*
* @return The signature of this method.
*/
public String getSignature() {
StringBuffer sb = new StringBuffer();
// Return type.
if (!isConstructor()) { // Don't print "void" return type.
sb.append(getReturnTypeString(false));
sb.append(' ');
}
// Method name and param list.
sb.append(getName());
sb.append('(');
appendParamDescriptors(sb);
sb.append(')');
// "throws" clause.
for (int i = 0; i < getAttributeCount(); i++) {
AttributeInfo ai = (AttributeInfo) attributes.get(i);
if (ai instanceof Exceptions) { // At most 1 Exceptions attribute
sb.append(" throws ");
Exceptions ex = (Exceptions) ai;
for (int j = 0; j < ex.getExceptionCount(); j++) {
sb.append(ex.getException(j));
if (j < ex.getExceptionCount() - 1) {
sb.append(", ");
}
}
}
}
return sb.toString();
}
private void appendParamDescriptors(StringBuffer sb) {
String[] paramTypes = getParameterTypes();
for (int i = 0; i < paramTypes.length; i++) {
sb.append(paramTypes[i]).append(" param").append(i);
if (i < paramTypes.length - 1) {
sb.append(", ");
}
}
}
/**
* Returns the name and parameters of this method, in the form <code>
* performAction(String, int, Runnable)</code>.
*
* @return The name and parameters of this method.
*/
public String getNameAndParameters() {
if (nameAndParameters == null) {
StringBuffer sb = new StringBuffer(getName());
sb.append('(');
int paramCount = getParameterCount();
for (int i = 0; i < paramCount; i++) {
sb.append(getParameterType(i, false));
if (i < paramCount - 1) {
sb.append(", ");
}
}
sb.append(')');
nameAndParameters = sb.toString();
}
return nameAndParameters;
}
/*
* 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();
}
