/**
* Reads a <code>MethodInfo</code> from an input stream.
*
* @param cf The class file defining the method.
* @param in The input stream to read from.
* @return The method information read.
* @throws IOException If an IO error occurs.
*/
public static MethodInfo read(ClassFile cf, DataInputStream in) throws IOException {
int accessFlags = in.readUnsignedShort();
int nameIndex = in.readUnsignedShort();
int descriptorIndex = in.readUnsignedShort();
MethodInfo mi = new MethodInfo(cf, accessFlags, nameIndex, descriptorIndex);
int attrCount = in.readUnsignedShort();
for (int j = 0; j < attrCount; j++) {
AttributeInfo ai = mi.readAttribute(in);
if (ai instanceof Signature) {
mi.signatureAttr = (Signature) ai;
} else if (ai instanceof Code) {
mi.codeAttr = (Code) ai;
} else if (ai != null) {
mi.addAttribute(ai);
}
}
return mi;
}
/**
* Finds the original method name(s), appending the first one to the out line, and any additional
* alternatives to the extra lines.
*/
private void originalMethodName(
String className,
String obfuscatedMethodName,
int lineNumber,
String type,
String arguments,
StringBuffer outLine,
List extraOutLines) {
int extraIndent = -1;
// Class name -> obfuscated method names.
Map methodMap = (Map) classMethodMap.get(className);
if (methodMap != null) {
// Obfuscated method names -> methods.
Set methodSet = (Set) methodMap.get(obfuscatedMethodName);
if (methodSet != null) {
// Find all matching methods.
Iterator methodInfoIterator = methodSet.iterator();
while (methodInfoIterator.hasNext()) {
MethodInfo methodInfo = (MethodInfo) methodInfoIterator.next();
if (methodInfo.matches(lineNumber, type, arguments)) {
// Is this the first matching method?
if (extraIndent < 0) {
extraIndent = outLine.length();
// Append the first original name.
if (verbose) {
outLine.append(methodInfo.type).append(' ');
}
outLine.append(methodInfo.originalName);
if (verbose) {
outLine.append('(').append(methodInfo.arguments).append(')');
}
} else {
// Create an additional line with the proper
// indentation.
StringBuffer extraBuffer = new StringBuffer();
for (int counter = 0; counter < extraIndent; counter++) {
extraBuffer.append(' ');
}
// Append the alternative name.
if (verbose) {
extraBuffer.append(methodInfo.type).append(' ');
}
extraBuffer.append(methodInfo.originalName);
if (verbose) {
extraBuffer.append('(').append(methodInfo.arguments).append(')');
}
// Store the additional line.
extraOutLines.add(extraBuffer);
}
}
}
}
}
// Just append the obfuscated name if we haven't found any matching
// methods.
if (extraIndent < 0) {
outLine.append(obfuscatedMethodName);
}
}