Java Reflection Method Name getMethods(String classname)

Description

get Methods

License

Open Source License

Declaration

public static String getMethods(String classname)
            throws ClassNotFoundException 

Method Source Code

//package com.java2s;
/*//from  ww  w.j a v  a2s .c o m

 Copyright (C) 2007-2016 Michael Goffioul

 This file is part of Octave.

 Octave is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.

 Octave is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with Octave; see the file COPYING.  If not, see
 <http://www.gnu.org/licenses/>.

 */

import java.lang.reflect.*;

public class Main {
    public static String getMethods(String classname)
            throws ClassNotFoundException {
        return (getMethods(Class.forName(classname)));
    }

    public static String getMethods(Object obj)
            throws ClassNotFoundException {
        return (getMethods(obj.getClass()));
    }

    public static String getMethods(Class klass) {
        StringBuffer sb = new StringBuffer();

        Method theMethod[] = klass.getMethods();
        for (int i = 0; i < theMethod.length; i++) {
            if (i > 0) {
                sb.append(";");
            }
            sb.append(theMethod[i].getReturnType().getCanonicalName());
            sb.append(" ");
            sb.append(theMethod[i].getName());
            sb.append("(");

            Class theParameter[] = theMethod[i].getParameterTypes();
            for (int j = 0; j < theParameter.length; j++) {
                if (j > 0) {
                    sb.append(", ");
                }
                sb.append(theParameter[j].getCanonicalName());
            }
            sb.append(")");

            Class theExceptions[] = theMethod[i].getExceptionTypes();
            if (theExceptions.length > 0) {
                sb.append(" throws ");
                for (int j = 0; j < theExceptions.length; j++) {
                    if (j > 0) {
                        sb.append(", ");
                    }
                    sb.append(theExceptions[j].getCanonicalName());
                }
            }
        }

        return (sb.toString());
    }
}

Related

1. getMethodPropertyName(java.lang.reflect.Method method)
2. getMethods(Class clazz, String name, int args)
3. getMethods(Class type, String name)
4. getMethods(final Class cl, final String name, final int params)
5. getMethods(final Class clazz, final String methodName)
6. getMethodsByName(Class cls, String methodName)
7. getMethodSubjectName(Method method)
8. getMethodsWithName(Class clazz, String name)
9. getMethodType(Class clazz, String methodName)