class UnencryptedSocketDetector extends OpcodeStackDetector {

    private static final boolean DEBUG = false;
    private static final String UNENCRYPTED_SOCKET_TYPE = "UNENCRYPTED_SOCKET";
    private BugReporter bugReporter;

    public UnencryptedSocketDetector(BugReporter bugReporter) {
        this.bugReporter = bugReporter;
    }

    @Override
    public void sawOpcode(int seen) {<FILL_FUNCTION_BODY>}
}

        //printOpCode(seen);

        if (seen == Const.INVOKESPECIAL && getClassConstantOperand().equals("java/net/Socket") &&
                getNameConstantOperand().equals("<init>")) {

            int depth = stack.getStackDepth();
            String host = "remote host"; //Bonus information for the message
            if (depth != 0) {
                int hostIndex;
                if (getSigConstantOperand().equals("(Ljava/lang/String;I)V")) {
                    hostIndex = 1;
                } else if (getSigConstantOperand().equals("(Ljava/lang/String;IZ)V")) {
                    hostIndex = 2;
                } else if (getSigConstantOperand().equals("(Ljava/lang/String;ILjava/net/InetAddress;I)V")) {
                    hostIndex = 3;
                } else {
                    hostIndex = -1;
                }

                if (hostIndex != -1) {
                    //Extract the value from the constant string
                    OpcodeStack.Item top = stack.getStackItem(hostIndex);
                    if (top.getConstant() != null) {
                        host = (String) top.getConstant();
                    }
                }
            }
            if (DEBUG) {
                System.out.println("host:" + host);
            }
            bugReporter.reportBug(new BugInstance(this, UNENCRYPTED_SOCKET_TYPE, Priorities.NORMAL_PRIORITY) //
                    .addClass(this).addMethod(this).addSourceLine(this) //
                    .addString(host));
        }
    
<no_super_class>