1 /*
   2  * Copyright (c) 2013, 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 package com.sun.javafx.collections;
  26 
  27 import com.sun.javafx.binding.ExpressionHelperBase;
  28 import java.util.Arrays;
  29 import javafx.beans.InvalidationListener;
  30 import javafx.collections.ArrayChangeListener;
  31 import javafx.collections.ObservableArray;
  32 import sun.util.logging.PlatformLogger;
  33 
  34 /**
  35  */
  36 public abstract class ArrayListenerHelper<T extends ObservableArray<T>> extends ExpressionHelperBase {
  37 
  38     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  39     // Static methods
  40 
  41     public static <T extends ObservableArray<T>> ArrayListenerHelper addListener(ArrayListenerHelper helper, T observable, InvalidationListener listener) {
  42         if (listener == null) {
  43             throw new NullPointerException();
  44         }
  45         return (helper == null)? new ArrayListenerHelper.SingleInvalidation(observable, listener) : helper.addListener(listener);
  46     }
  47 
  48     public static  ArrayListenerHelper removeListener(ArrayListenerHelper helper, InvalidationListener listener) {
  49         if (listener == null) {
  50             throw new NullPointerException();
  51         }
  52         return (helper == null)? null : helper.removeListener(listener);

   1 /*
   2  * Copyright (c) 2013, 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 package com.sun.javafx.collections;
  26 
  27 import com.sun.javafx.binding.ExpressionHelperBase;
  28 import java.util.Arrays;
  29 import javafx.beans.InvalidationListener;
  30 import javafx.collections.ArrayChangeListener;
  31 import javafx.collections.ObservableArray;
  32 import com.sun.javafx.logging.PlatformLogger;
  33 
  34 /**
  35  */
  36 public abstract class ArrayListenerHelper<T extends ObservableArray<T>> extends ExpressionHelperBase {
  37 
  38     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
  39     // Static methods
  40 
  41     public static <T extends ObservableArray<T>> ArrayListenerHelper addListener(ArrayListenerHelper helper, T observable, InvalidationListener listener) {
  42         if (listener == null) {
  43             throw new NullPointerException();
  44         }
  45         return (helper == null)? new ArrayListenerHelper.SingleInvalidation(observable, listener) : helper.addListener(listener);
  46     }
  47 
  48     public static  ArrayListenerHelper removeListener(ArrayListenerHelper helper, InvalidationListener listener) {
  49         if (listener == null) {
  50             throw new NullPointerException();
  51         }
  52         return (helper == null)? null : helper.removeListener(listener);