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:Main.java

public static int countValue(String propertyName, Object value, Collection<?> collection) {
    int count = 0;
    for (Object o : collection) {
        BeanWrapper bw = new BeanWrapperImpl(o);
        Object propertyValue = bw.getPropertyValue(propertyName);
        if (propertyValue.equals(value)) {
            count++;// w w  w . java 2  s. c o  m
        }
    }
    return count;
}

From source file:Main.java

public static boolean valueExists(String propertyName, Object value, Collection<?> collection) {

    for (Object o : collection) {
        BeanWrapper bw = new BeanWrapperImpl(o);
        Object propertyValue = bw.getPropertyValue(propertyName);
        if (propertyValue.equals(value)) {
            return true;
        }/*from   ww  w  .j av  a 2  s.co m*/
    }
    return false;
}

From source file:Main.java

public static JSONObject shallowDiffJSONObjects(JSONObject jo1, JSONObject jo2) throws JSONException {
    JSONObject result = new JSONObject();
    Iterator<String> it = jo2.keys();
    while (it.hasNext()) {
        String key = it.next();//from   ww w  .  j  a v a 2  s  . com

        // See if the key is missing or the value is different in the other object
        Object val1 = jo1.opt(key);
        Object val2 = jo2.get(key);

        if (val1 == null || !val2.equals(val1))
            result.put(key, val2);
    }

    return result;
}

From source file:Main.java

public static Collection<?> filterByValue(String propertyName, Object value, Collection<?> collection) {
    List<Object> list = new ArrayList<Object>(collection.size());
    for (Object o : collection) {
        BeanWrapper bw = new BeanWrapperImpl(o);
        Object propertyValue = bw.getPropertyValue(propertyName);
        if (propertyValue.equals(value)) {
            list.add(o);/*from   w  w  w. j  av a 2 s.  c om*/
        }
    }
    return list;
}

From source file:Main.java

public static Collection<?> filterByNotValue(String propertyName, Object value, Collection<?> collection) {
    List<Object> list = new ArrayList<Object>(collection.size());
    for (Object o : collection) {
        BeanWrapper bw = new BeanWrapperImpl(o);
        Object propertyValue = bw.getPropertyValue(propertyName);
        if (!propertyValue.equals(value)) {
            list.add(o);//from  w w  w . j  a  va  2  s. c o  m
        }
    }
    return list;
}

From source file:Main.java

public static int searchIndex(Collection<? extends Object> collection, Object value) {
    List<? extends Object> valueList = new ArrayList<Object>(collection);

    int i = 0;//  w w  w.java 2s  .  com
    for (Object o : valueList) {
        if ((o == value) || ((o != null) && (o.equals(value)))) {
            return i;
        }
        i++;
    }
    return -1;
}

From source file:Main.java

public static boolean equals(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
}

From source file:Main.java

/**
 * Null-safe testing of two objects for equality.
 * /*from  ww w .  j  a  v a  2  s .c om*/
 * @param o1
 *            object 1
 * @param o2
 *            object 2
 * @return <code>true</code> if to objects are equal or if they are both
 *         <code>null</code>.
 */
public static boolean equals(Object o1, Object o2) {
    return (o1 == null && o2 == null || o1 != null && o1.equals(o2));
}

From source file:Main.java

public static Set minus(Set oriSet, Set tarSet) {
    if (oriSet == null || oriSet.size() == 0)
        return oriSet;
    if (tarSet == null || tarSet.size() == 0)
        return oriSet;
    Iterator oriItor = oriSet.iterator();
    Set minusSet = new HashSet();
    while (oriItor.hasNext()) {
        Object oriObj = oriItor.next();
        Iterator tarItor = tarSet.iterator();
        boolean isExist = false;
        while (tarItor.hasNext()) {
            Object tarObj = tarItor.next();
            if (tarObj.equals(oriObj)) {
                isExist = true;//from   w  ww  . j  av  a2 s.com
                break;
            }
        }
        if (!isExist) {
            minusSet.add(oriObj);
        }

    }
    return minusSet;

}

From source file:Test.java

private static void serverStart() {
    try {/*w w  w. j av  a 2  s.c  o m*/
        InetSocketAddress hostAddress = new InetSocketAddress(InetAddress.getByName("127.0.0.1"), 2583);
        AsynchronousServerSocketChannel serverSocketChannel = AsynchronousServerSocketChannel.open()
                .bind(hostAddress);
        Future<AsynchronousSocketChannel> serverFuture = serverSocketChannel.accept();
        final AsynchronousSocketChannel clientSocket = serverFuture.get();
        if ((clientSocket != null) && (clientSocket.isOpen())) {
            InputStream connectionInputStream = Channels.newInputStream(clientSocket);
            ObjectInputStream ois = null;
            ois = new ObjectInputStream(connectionInputStream);
            while (true) {
                Object object = ois.readObject();
                if (object.equals("EOF")) {
                    clientSocket.close();
                    break;
                }
                System.out.println("Received :" + object);
            }
            ois.close();
            connectionInputStream.close();
        }

    } catch (Exception e) {
        e.printStackTrace();
    }
}