Scala example source code file (MembersTest.java)

This example Scala source code file (MembersTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

assembly, assembly, icustomattributeprovider, io, memberinfo, memberinfo, memberstest, module, object, runtimeexception, string, string, throwable, type, type

The Scala MembersTest.java source code

package ch.epfl.lamp.compiler.msil.tests;

import ch.epfl.lamp.compiler.msil.*;
import ch.epfl.lamp.compiler.msil.util.Table;

import java.io.PrintStream;

public class MembersTest {

    public static void main(String[] args) {
	if (args.length < 1) {
	    System.err.println
		("usage: java test.MembersTest assembly [classname]");
	    System.exit(1);
	}

	Assembly mscorlib = Assembly.LoadFrom("mscorlib.dll");
	Type.initMSCORLIB(mscorlib);
	Assembly assem = Assembly.LoadFrom(args[0]);
	if (args.length > 1) {
	    Type type = assem.GetType(args[1]);
	    if (type != null)
		dumpMember(System.out, type);
	    else System.err.println("Cannot find type " + args[1]
				    + " in " + assem);
	} else {
	    Type[] types = assem.GetTypes();
	    System.out.println("Number of types in assembly " + assem
			       + " -> " + types.length);
            dumpCustomAttributes(System.out, "assembly: ", assem);
            Module[] modules = assem.GetModules();
            for (int i = 0; i < modules.length; i++) {
                dumpCustomAttributes(System.out, "module " + modules[i] + ": ",
                                     modules[i]);
            }
            dumpMembers(System.out, types);
	}
    }

    public static final void dumpMember(PrintStream out, MemberInfo member) {
        try {
            if (member.MemberType() == MemberTypes.TypeInfo
                || member.MemberType() == MemberTypes.NestedType) {
                Type type = (Type)member;
                dumpCustomAttributes(out, "", type);
                out.print(TypeAttributes.accessModsToString(type.Attributes));
                out.print(type.IsInterface() ? " interface " : " class ");
                out.print(type);
                if (type.BaseType() != null)
                    out.println(" extends " + type.BaseType());
                Type[] ifaces = type.GetInterfaces();
                if (ifaces.length > 0) {
                    out.print("\timplements ");
                    for (int i = 0; i < ifaces.length; i++) {
                        out.print(ifaces[i]);
                        if (i < (ifaces.length - 1))
                            out.print(", ");
                    }
                    out.println();
                }
                out.println("{");
                int all = BindingFlags.Public | BindingFlags.DeclaredOnly// | BindingFlags.NonPublic
                    | BindingFlags.Instance | BindingFlags.Static;
                dumpMembers(out, type.GetNestedTypes());
                dumpMembers(out, type.GetFields(all));
                dumpMembers(out, type.GetConstructors(all));
                dumpMembers(out, type.GetMethods(all));
                dumpMembers(out, type.GetProperties(all));
                dumpMembers(out, type.GetEvents());
                out.println("}");
            } else {
                dumpCustomAttributes(out, "", member);
                out.print(MemberTypes.toString(member.MemberType()));
                out.print(": "); out.print(member);
                out.println();
            }
        } catch (Throwable e) {
            String message = MemberTypes.toString(member.MemberType())
                + ": " + member;
            throw new RuntimeException(message, e);
        }
    }

    public static void dumpCustomAttributes(PrintStream out,
                                            String prefix,
                                            ICustomAttributeProvider att)
    {
        Object[] attrs = att.GetCustomAttributes(false);
        for (int j = 0; j < attrs.length; j++)
            out.println(prefix + attrs[j]);
    }

    public static void dumpMembers(PrintStream out, MemberInfo[] members) {
	for (int i = 0; i < members.length; i++) {
            dumpMember(out, members[i]);
	}
    }

}