A simple class for dumping reflection info from a specified class.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@184 6335cc39-0255-0410-8fd6-9bcaacd3b74c
2001-07-14 00:51:13 +00:00
parent 9e4758bb64
commit e8dcfce0db
1 changed files with 60 additions and 0 deletions
@@ -0,0 +1,60 @@
+//
+// $Id: Dumper.java,v 1.1 2001/07/14 00:51:13 mdb Exp $
+
+package com.samskivert.viztool.util;
+
+import java.lang.reflect.*;
+
+public class Dumper
+{
+    public void dump (Class clazz)
+    {
+        System.out.println("Dumping: " + clazz.getName());
+
+        Class parent = clazz.getSuperclass();
+        if (parent == null) {
+            System.out.println("P: none");
+        } else {
+            System.out.println("P: " + parent.getName());
+        }
+
+        Class[] ifaces = clazz.getInterfaces();
+        for (int i = 0; i < ifaces.length; i++) {
+            System.out.println("I: " +  ifaces[i].getName());
+        }
+
+        dump("F", clazz.getDeclaredFields());
+        dump("C", clazz.getDeclaredConstructors());
+        dump("M", clazz.getDeclaredMethods());
+    }
+
+    protected void dump (String prefix, Member[] members)
+    {
+        for (int i = 0; i < members.length; i++) {
+            System.out.println(prefix + ": " + members[i].getName());
+        }
+    }
+
+    public static void main (String[] args)
+    {
+        if (args.length < 1) {
+            System.err.println("Usage: Dumper classname [classname ...]");
+            System.exit(-1);
+        }
+
+        String classpath = System.getProperty("java.class.path", ".");
+        System.out.println("Classpath: " + classpath);
+
+        Dumper dumper = new Dumper();
+
+        for (int i = 0; i < args.length; i++) {
+            try {
+                dumper.dump(Class.forName(args[i]));
+
+            } catch (Exception e) {
+                System.err.println("Unable to instantiate class: " + args[i]);
+                e.printStackTrace();
+            }
+        }
+    }
+}