Java Object NVL isNotEmpty(Object object)

Description

is Not Empty

License

Apache License

Declaration

public static boolean isNotEmpty(Object object) 

Method Source Code

//package com.java2s;
/*/*w  w  w  .  java2s .  c o m*/
 * Copyright 2011-2013 HTTL Team.
 *  
 * 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.
 */

import java.util.*;

public class Main {
    public static boolean isNotEmpty(Object object) {
        return isTrue(object);
    }

    public static boolean isTrue(boolean object) {
        return object;
    }

    public static boolean isTrue(char object) {
        return object != '\0';
    }

    public static boolean isTrue(byte object) {
        return object != (byte) 0;
    }

    public static boolean isTrue(short object) {
        return object != (short) 0;
    }

    public static boolean isTrue(int object) {
        return object != 0;
    }

    public static boolean isTrue(long object) {
        return object != 0l;
    }

    public static boolean isTrue(float object) {
        return object != 0f;
    }

    public static boolean isTrue(double object) {
        return object != 0d;
    }

    public static boolean isTrue(Object object) {
        if (object instanceof Boolean) {
            return ((Boolean) object).booleanValue();
        }
        return getSize(object) != 0;
    }

    public static int getSize(Object object) {
        if (object == null) {
            return 0;
        } else if (object instanceof Collection<?>) {
            return ((Collection<?>) object).size();
        } else if (object instanceof Map<?, ?>) {
            return ((Map<?, ?>) object).size();
        } else if (object instanceof Object[]) {
            return ((Object[]) object).length;
        } else if (object instanceof int[]) {
            return ((int[]) object).length;
        } else if (object instanceof long[]) {
            return ((long[]) object).length;
        } else if (object instanceof float[]) {
            return ((float[]) object).length;
        } else if (object instanceof double[]) {
            return ((double[]) object).length;
        } else if (object instanceof short[]) {
            return ((short[]) object).length;
        } else if (object instanceof byte[]) {
            return ((byte[]) object).length;
        } else if (object instanceof char[]) {
            return ((char[]) object).length;
        } else if (object instanceof boolean[]) {
            return ((boolean[]) object).length;
        } else {
            return -1;
        }
    }
}

Related

1. isEmpty(Object obj)
2. isEmpty(Object value)
3. isEmpty(Object... obj)
4. isNullOrEmpty(final Object obj)
5. isNullOrEmpty(Object object, boolean zeroEqualsEmpty)
6. isNullOrEmptyOrZero(Object object)
7. nvl(Boolean b, boolean defaultValue)