Java Assert Not Null assertNotNull(Object o)

Description

assert Not Null

License

Apache License

Declaration

public static void assertNotNull(Object o) 

Method Source Code

//package com.java2s;
/*//from ww  w .  j a  va 2 s .  com
 * Copyright 2004-2010 the Seasar Foundation and the 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.
 */

public class Main {
    public static void assertNotNull(Object o) {
        if (o == null) {
            throw new AssertionError("Null.");
        }
    }

    public static void assertNotNull(Object o, Object o1) {
        if (o == null) {
            throw new AssertionError("Null. index = 0");
        }
        if (o1 == null) {
            throw new AssertionError("Null. index = 1");
        }
    }

    public static void assertNotNull(Object o, Object o1, Object o2) {
        if (o == null) {
            throw new AssertionError("Null. index = 0");
        }
        if (o1 == null) {
            throw new AssertionError("Null. index = 1");
        }
        if (o2 == null) {
            throw new AssertionError("Null. index = 2");
        }
    }

    public static void assertNotNull(Object o, Object o1, Object o2, Object o3) {
        if (o == null) {
            throw new AssertionError("Null. index = 0");
        }
        if (o1 == null) {
            throw new AssertionError("Null. index = 1");
        }
        if (o2 == null) {
            throw new AssertionError("Null. index = 2");
        }
        if (o3 == null) {
            throw new AssertionError("Null. index = 3");
        }
    }

    public static void assertNotNull(Object o, Object o1, Object o2, Object o3, Object o4) {
        if (o == null) {
            throw new AssertionError("Null. index = 0");
        }
        if (o1 == null) {
            throw new AssertionError("Null. index = 1");
        }
        if (o2 == null) {
            throw new AssertionError("Null. index = 2");
        }
        if (o3 == null) {
            throw new AssertionError("Null. index = 3");
        }
        if (o4 == null) {
            throw new AssertionError("Null. index = 4");
        }
    }

    public static void assertNotNull(Object o, Object... objects) {
        if (o == null) {
            throw new AssertionError("Null. index = 0");
        }
        for (int i = 0; i < objects.length; i++) {
            Object object = objects[i];
            if (object == null) {
                throw new AssertionError("Null. index = " + (i + 1));
            }
        }
    }
}

Related

1. assertNotNull(final String param, final Object value)
2. assertNotNull(final T object, final String message)
3. assertNotNull(final T value, final String param)
4. assertNotNull(Object argumentThatMustNotBeNull, String argumentName)
5. assertNotNull(Object expression)
6. assertNotNull(Object obj)
7. assertNotNull(Object obj)
8. assertNotNull(Object obj, RuntimeException ex)
9. assertNotNull(Object obj, String msgTemplate, Object... params)