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.vmware.aurora.util.CommonUtil.java

/**
 * Check the equality of 2 objects, just like "static Object.equals()" in C#.
 */// w  ww .  j  a  v  a  2  s  . c o m
public static boolean testEquals(Object obj1, Object obj2) {
    // first, check if they have same reference
    if (obj1 == obj2) {
        return true;
    }
    // second, check for the null case
    if (obj1 == null) {
        return (obj2 == null);
    }
    // last, check with the overridable "equals" method
    return obj1.equals(obj2);
}

From source file:net.darkmist.clf.LogEntry.java

private static final boolean nullSafeEquals(Object a, Object b) {
    if (a == null) {
        if (b == null)
            return true;
        return false;
    }//from   ww  w  . j  a v a 2s  . c  om
    if (b == null)
        return false;
    return a.equals(b);
}

From source file:Main.java

private static boolean listContentsEquals(Iterable<?> l1, Iterable<?> l2) {
    Iterator<?> iter1 = l1.iterator();
    Iterator<?> iter2 = l2.iterator();
    while (iter1.hasNext()) {
        if (!iter2.hasNext()) {
            return false;
        }//from  w  w w .  j  a  va  2 s  .c  o  m
        Object e1 = iter1.next();
        Object e2 = iter2.next();
        if ((e1 == l1 && (e2 == l1 || e2 == l2)) || (e1 == l2 && (e2 == l1 || e2 == l2))) {
            // handle case where list contains itself - don't overflow stack
            continue;
        }
        if (e1 == null ? e2 != null : !e1.equals(e2)) {
            return false;
        }
    }
    if (iter2.hasNext()) {
        return false;
    }
    return true;
}

From source file:com.moz.fiji.schema.util.JsonEntityIdParser.java

/**
 * Create JsonEntityIdParser from a JSON node.
 *
 * @param node is the JSON representation of the formatted entity_id.
 * @param layout of the table in which the entity id belongs.
 *        If null, then long components may not be recognized.
 * @return a properly constructed JsonEntityIdParser.
 * @throws IOException if JsonEntityIdParser can not be properly constructed.
 *///from  w  ww . jav  a2 s .  c  om
public static JsonEntityIdParser create(final JsonNode node, final FijiTableLayout layout) throws IOException {

    RowKeyFormat2 format = getRKF2(layout);

    if (node.isArray()) {
        final Object[] components = new Object[node.size()];
        boolean wildCarded = false;
        for (int i = 0; i < node.size(); i++) {
            final Object component = getNodeValue(node.get(i));
            if (component.equals(WildcardSingleton.INSTANCE)) {
                wildCarded = true;
                components[i] = null;
            } else if (null != format && ComponentType.LONG == format.getComponents().get(i).getType()) {
                components[i] = ((Number) component).longValue();
            } else {
                components[i] = component;
            }
        }
        return new JsonEntityIdParser(wildCarded, layout, components);
    } else {
        // Disallow non-arrays.
        throw new IllegalArgumentException(
                "Provide components wrapped as a JSON array or provide the row key.");
    }
}

From source file:com.cburch.logisim.gui.main.SelectionAttributes.java

private static boolean isSame(LinkedHashMap<Attribute<Object>, Object> attrMap, Attribute<?>[] oldAttrs,
        Object[] oldValues) {/*from   w  w  w.jav a2s. c o m*/
    if (oldAttrs.length != attrMap.size()) {
        return false;
    } else {
        int j = -1;
        for (Map.Entry<Attribute<Object>, Object> entry : attrMap.entrySet()) {
            j++;

            Attribute<Object> a = entry.getKey();
            if (!oldAttrs[j].equals(a) || j >= oldValues.length)
                return false;
            Object ov = oldValues[j];
            Object nv = entry.getValue();
            if (ov == null ? nv != null : !ov.equals(nv))
                return false;
        }
        return true;
    }
}

From source file:com.zenoss.zenpacks.zenjmx.call.Utility.java

/**
 * Returns true if the two objects are both null or are equal to
 * each other//from www  . ja va 2  s .c o  m
 */
public static boolean equals(Object obj1, Object obj2) {
    if ((obj1 == null) && (obj2 == null)) {
        return true;
    }

    if ((obj1 == null) && (obj2 != null)) {
        return false;
    }

    if ((obj1 != null) && (obj2 == null)) {
        return false;
    }

    return obj1.equals(obj2);
}

From source file:mml.handler.json.Dialect.java

private static boolean compareArrays(JSONArray a1, JSONArray a2) {
    boolean res = true;
    if (a1.size() == a2.size()) {
        for (int i = 0; i < a1.size(); i++) {
            Object o1 = a1.get(i);
            Object o2 = a2.get(i);
            if (o1 != null && o2 != null && o1.getClass().equals(o2.getClass())) {
                if (o1 instanceof JSONObject)
                    res = compareObjects((JSONObject) o1, (JSONObject) o2);
                else if (o1 instanceof Number)
                    res = o1.equals(o2);
                else if (o1 instanceof String)
                    res = o1.equals(o2);
                else if (o1 instanceof JSONArray)
                    res = compareArrays((JSONArray) o1, (JSONArray) o2);
                else
                    res = false;//  w w w .  j  a  v a 2  s  . co  m
            } else
                res = false;
        }
    } else
        res = false;
    return res;
}

From source file:Main.java

/**
 * A comprehensive isEqual method that handles nulls and arrays safely.
 *
 * @param value//from  w w  w  .j a v  a 2 s . c  o m
 *            Object
 * @param otherValue
 *            Object
 * @return boolean
 * @deprecated {@link Objects#deepEquals(Object, Object)}
 */
@Deprecated
@SuppressWarnings("PMD.CompareObjectsWithEquals")
public static boolean areEqual(Object value, Object otherValue) {
    if (value == otherValue) {
        return true;
    }
    if (value == null) {
        return false;
    }
    if (otherValue == null) {
        return false;
    }

    if (value.getClass().getComponentType() != null) {
        return arraysAreEqual(value, otherValue);
    }
    return value.equals(otherValue);
}

From source file:com.webarch.common.lang.StringSeriesTools.java

/**
 * 2?// w  w w.ja v  a2s  .  c o m
 * @param ob1 1
 * @param ob2 2
 * @return true/false
 */
public static boolean equalObject(Object ob1,Object ob2){
    return !(ob1==null||ob2==null)&&ob1.equals(ob2);
}

From source file:com.jaspersoft.studio.components.chart.model.theme.util.PadUtil.java

public static Object getPropertyValue(Object id, RectangleInsets ri, String preID) {
    if (ri == null)
        ri = PadUtil.RECTANGLE_INSETS;//from  w ww  .java  2  s  .  c om
    if (id.equals(preID + PadUtil.PADDING_TOP))
        return ri.getTop();
    if (id.equals(preID + PadUtil.PADDING_BOTTOM))
        return ri.getBottom();
    if (id.equals(preID + PadUtil.PADDING_LEFT))
        return ri.getLeft();
    if (id.equals(preID + PadUtil.PADDING_RIGHT))
        return ri.getRight();
    return null;
}