Example usage for java.lang Object equals

Introduction

In this page you can find the example usage for java.lang Object equals.

Prototype

public boolean equals(Object obj)

Source Link

Document

Indicates whether some other object is "equal to" this one.

Usage

From source file:com.smallchill.core.toolbox.Func.java

/**
 * ?<br>/*from   w w  w  . j  a  v a2 s  .c om*/
 * ????<br>
 * 1. obj1 == null && obj2 == null; 2. obj1.equals(obj2)
 * 
 * @param obj1
 *            1
 * @param obj2
 *            2
 * @return ?
 */
public static boolean equals(Object obj1, Object obj2) {
    return (obj1 != null) ? (obj1.equals(obj2)) : (obj2 == null);
}

From source file:Main.java

/**
 * <p>Finds the last index of the given object in the array starting at the given index.</p>
 *
 * <p>This method returns {@link #INDEX_NOT_FOUND} (<code>-1</code>) for a <code>null</code> input array.</p>
 *
 * <p>A negative startIndex will return {@link #INDEX_NOT_FOUND} (<code>-1</code>). A startIndex larger than
 * the array length will search from the end of the array.</p>
 * /*from   w  w  w  .ja  v a2 s.c o  m*/
 * @param array  the array to traverse for looking for the object, may be <code>null</code>
 * @param objectToFind  the object to find, may be <code>null</code>
 * @param startIndex  the start index to travers backwards from
 * @return the last index of the object within the array,
 *  {@link #INDEX_NOT_FOUND} (<code>-1</code>) if not found or <code>null</code> array input
 */
public static int lastIndexOf(Object[] array, Object objectToFind, int startIndex) {
    if (array == null) {
        return -1;
    }
    if (startIndex < 0) {
        return -1;
    } else if (startIndex >= array.length) {
        startIndex = array.length - 1;
    }
    if (objectToFind == null) {
        for (int i = startIndex; i >= 0; i--) {
            if (array[i] == null) {
                return i;
            }
        }
    } else {
        for (int i = startIndex; i >= 0; i--) {
            if (objectToFind.equals(array[i])) {
                return i;
            }
        }
    }
    return -1;
}

From source file:cn.fql.utility.ClassUtility.java

/**
 * compare property of two object//from   w w w.  j  a  v  a 2  s .  co m
 *
 * @param obj1         object instance
 * @param obj2         object instance
 * @param propertyName name of property which is required to be compared
 * @return boolean value
 */
public static boolean comparePropertyEqual(Object obj1, Object obj2, String propertyName) {
    Object value1 = getPropertyValue(obj1, propertyName);
    Object value2 = getPropertyValue(obj2, propertyName);
    boolean isEqual = true;
    if (value1 != null ^ value2 != null) {
        isEqual = false;
    } else {
        if (value1 != null) {
            isEqual = value1.equals(value2);
        }
    }
    return isEqual;
}

From source file:io.github.moosbusch.lumpi.util.LumpiUtil.java

public static String getNamespaceIdForBean(Object bean,
        org.apache.pivot.collections.Map<String, Object> namespace) {
    if (bean == null) {
        throw new NullPointerException();
    }/*from  w ww  .  j  av a 2s . com*/

    for (String id : namespace) {
        Object obj = Objects.requireNonNull(namespace.get(id));

        if (obj.equals(bean)) {
            return id;
        }
    }

    return null;
}

From source file:nz.co.senanque.validationengine.ValidationUtils.java

public static boolean equals(final Object o, final Object o1) {
    if (o == null && o1 == null) {
        return true;
    }/*from w w w .j a v a  2s  . c  o  m*/
    if (o == null || o1 == null) {
        return false;
    }
    if (o instanceof Number && o1 instanceof Number) {
        return ((Number) o).doubleValue() == ((Number) o1).doubleValue();
    }
    return o.equals(o1);
}

From source file:com.discovery.darchrow.lang.ObjectUtil.java

/**
 * ?? <br>/*www  . j a va 2 s.com*/
 * ?,object.equals(object2)?true
 * 
 * @param object
 *            object
 * @param object2
 *            object2
 * @return ?,object.equals(object2)?true
 */
public static final boolean equalsNotNull(Object object, Object object2) {
    if (Validator.isNotNullOrEmpty(object) && Validator.isNotNullOrEmpty(object2)) {
        return object.equals(object2);
    }
    return false;
}

From source file:com.softmotions.commons.bean.BeanUtils.java

/**
 * Checks if the given objects are equal.
 *
 * @param a             The object to compare with object b.
 * @param b             The object to compare with object a.
 * @param caseSensitive Tells whether or not to compare string values case sensitive.
 *                      This parameter is only respected, in case a is a <code>java.lang.String</code> instance.
 * @return true if the objects are equal or are both null.
 *//*from  www. j  a  v a 2 s  .  c o m*/
public static boolean equals(Object a, Object b, boolean caseSensitive) {
    if ((a == null) || (b == null)) {
        return a == b;
    }
    if (a instanceof String) {
        return caseSensitive ? StringUtils.equalsIgnoreCase(a.toString(), b.toString())
                : StringUtils.equals(a.toString(), b.toString());
    }
    return a.equals(b);
}

From source file:com.shenit.commons.utils.ValidationUtils.java

/**
 * ???/*from w ww. ja  v  a 2 s. c om*/
 * 
 * @param val1
 *            1
 * @param range
 *            
 * @return
 */
public static boolean in(Object val1, Object... range) {
    if (val1 == null || range == null || range.length < 1)
        return false;
    for (Object aVal : range) {
        if (val1.equals(aVal))
            return true;
    }
    return false;
}

From source file:io.ecarf.core.utils.Utils.java

/**
 * Wait until two values become equal//from w ww .  ja  v a 2  s . c  o m
 * @param value1
 * @param value2
 */
public static void waitForEquality(Object value1, Object value2, int seconds) {
    while (!value1.equals(value2)) {
        ApiUtils.block(seconds);
    }
}

From source file:com.shenit.commons.utils.DataUtils.java

/**
 * Make a object to boolean//from   ww  w.jav a2  s  .c  o  m
 * @param apply
 * @return
 */
public static boolean toBoolean(Object obj) {
    if (obj == null)
        return false;
    String str = obj.toString();
    if (obj instanceof Number) {
        //special handle for number object, 0 is false, and other s are true
        return !obj.equals(0);
    } else if (StringUtils.isNumeric(str)) {
        //no matter how, just compare with 0
        return Long.parseLong(str) != 0;
    } else {
        return new Boolean(obj.toString());
    }
}