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A highly flexible & configurable tool for testing interactions of SOA applications with web services (REST, SOAP, WSDL etc.) over HTTP(S) protocol. It is an actual HTTP server (stubby4j uses embedded Jetty) that acts like a real web service, ready for consumption by your code. Allows stubbing of external systems with ease for integration testing

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/*
A Java-based HTTP stub server

Copyright (C) 2012 Alexander Zagniotov, Isa Goksu and Eric Mrak

This program 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.

This program 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 this program.  If not, see .
 */

package io.github.azagniotov.stubby4j.utils;

import io.github.azagniotov.stubby4j.stubs.ReflectableStub;

import java.io.UnsupportedEncodingException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


public final class ReflectionUtils {

    private static List skipableProperties =
            Collections.unmodifiableList(Arrays.asList("STUBBY_RESOURCE_ID_HEADER", "regexGroups", "fileBytes"));

    private ReflectionUtils() {

    }

    public static  Map getProperties(final T reflectable) throws IllegalAccessException, InvocationTargetException, UnsupportedEncodingException {
        final Map properties = new HashMap<>();

        for (final Field field : reflectable.getClass().getDeclaredFields()) {

            AccessController.doPrivileged(new PrivilegedAction() {
                public Boolean run() {
                    if (!field.isAccessible()) {
                        field.setAccessible(true);
                    }
                    return true;
                }
            });

            if (skipableProperties.contains(field.getName())) {
                continue;
            }

            final Object fieldObject = ReflectionUtils.getPropertyValue(reflectable, field.getName());
            final String value = StringUtils.objectToString(fieldObject);

            if (!value.equals(StringUtils.NOT_PROVIDED) && !value.equals("{}")) {
                properties.put(StringUtils.toLower(field.getName()), value);
            }
        }

        return properties;
    }

    public static  void injectObjectFields(final T reflectable, final String fieldName, final Object value) throws InvocationTargetException, IllegalAccessException {
        final Map fieldAndValue = new HashMap<>();
        fieldAndValue.put(fieldName.toLowerCase(), value);
        injectObjectFields(reflectable, fieldAndValue);
    }

    public static  void injectObjectFields(final T reflectable, final Map fieldsAndValues) throws InvocationTargetException, IllegalAccessException {

        for (final Field field : reflectable.getClass().getDeclaredFields()) {
            final String fieldName = field.getName().toLowerCase();
            if (fieldsAndValues.containsKey(fieldName)) {
                AccessController.doPrivileged(new PrivilegedAction() {
                    public Boolean run() {
                        if (!field.isAccessible()) {
                            field.setAccessible(true);
                        }
                        return true;
                    }
                });

                field.set(reflectable, fieldsAndValues.get(fieldName));
            }
        }
    }

    public static Object getPropertyValue(final Object object, final String fieldName) throws InvocationTargetException, IllegalAccessException {
        for (final Method method : object.getClass().getDeclaredMethods()) {
            if (method.getName().equalsIgnoreCase("get" + fieldName)) {
                return method.invoke(object);
            }
        }
        return null;
    }
}