1 /*
   2  * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.javafx.collections;
  27 
  28 import com.sun.javafx.binding.ExpressionHelperBase;
  29 import javafx.beans.InvalidationListener;
  30 import javafx.collections.MapChangeListener;
  31 import sun.util.logging.PlatformLogger;
  32 
  33 import java.util.Arrays;
  34 
  35 /**
  36  */
  37 public abstract class MapListenerHelper<K, V> extends ExpressionHelperBase {
  38 
  39     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  40     // Static methods
  41 
  42     public static <K, V> MapListenerHelper<K, V> addListener(MapListenerHelper<K, V> helper, InvalidationListener listener) {
  43         if (listener == null) {
  44             throw new NullPointerException();
  45         }
  46         return (helper == null)? new SingleInvalidation<K, V>(listener) : helper.addListener(listener);
  47     }
  48 
  49     public static <K, V> MapListenerHelper<K, V> removeListener(MapListenerHelper<K, V> helper, InvalidationListener listener) {
  50         if (listener == null) {
  51             throw new NullPointerException();

   1 /*
   2  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.javafx.collections;
  27 
  28 import com.sun.javafx.binding.ExpressionHelperBase;
  29 import javafx.beans.InvalidationListener;
  30 import javafx.collections.MapChangeListener;
  31 import com.sun.javafx.logging.PlatformLogger;
  32 
  33 import java.util.Arrays;
  34 
  35 /**
  36  */
  37 public abstract class MapListenerHelper<K, V> extends ExpressionHelperBase {
  38 
  39     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  40     // Static methods
  41 
  42     public static <K, V> MapListenerHelper<K, V> addListener(MapListenerHelper<K, V> helper, InvalidationListener listener) {
  43         if (listener == null) {
  44             throw new NullPointerException();
  45         }
  46         return (helper == null)? new SingleInvalidation<K, V>(listener) : helper.addListener(listener);
  47     }
  48 
  49     public static <K, V> MapListenerHelper<K, V> removeListener(MapListenerHelper<K, V> helper, InvalidationListener listener) {
  50         if (listener == null) {
  51             throw new NullPointerException();