/*******************************************************************************
 * Copyright 2016-2017 ZTE, Inc. and others.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 ******************************************************************************/
package org.onap.msb.apiroute.wrapper.util;

import java.util.HashSet;
import java.util.Set;

import org.apache.commons.lang3.StringUtils;

public class CommonUtil {

    public static final int SC_OK = 200;

    public static Object[] concat(Object[] a, Object[] b) {
        Object[] c = new Object[a.length + b.length];
        System.arraycopy(a, 0, c, 0, a.length);
        System.arraycopy(b, 0, c, a.length, b.length);
        return c;
    }

    public static boolean contain(String strArray, String str) {
        String[] array = StringUtils.split(strArray, ",");
        return contain(array, str);
    }

    public static boolean contain(String[] array, String str) {
        for (int i = 0; i < array.length; i++) {
            if (array[i].trim().equals(str)) {
                return true;
            }
        }
        return false;

    }

    public static boolean contain(String[] array, String value[]) {
        for (int i = 0; i < array.length; i++) {
            for (int n = 0; n < value.length; n++) {
                if (array[i].equals(value[n])) {
                    return true;
                }
            }
        }
        return false;

    }

    /**
     * @param <T>
     * @Title getDiffrent
     * @Description TODO(Extract the list1 and list2 different data sets)
     * @param list1
     * @param list2
     * @return TODO（a new List in list2 but not in list1）
     * @return List<String>
     */
    public static <T> Set<T> getDiffrent(Set<T> list1, Set<T> list2) {

        HashSet<T> set_all = new HashSet<T>();

        for (T t1 : list1) {
            set_all.add(t1);
        }


        Set<T> diff = new HashSet<T>();

        for (T t2 : list2) {
            if (set_all.add(t2)) { // in list2 but not in list1
                diff.add(t2);
            }
        }


        return diff;
    }

}