1 /* 2 * Copyright (c) 2010, 2013, 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 jdk.nashorn.internal.runtime.arrays; 27 28 import jdk.nashorn.internal.objects.Global; 29 import static jdk.nashorn.internal.runtime.ECMAErrors.typeError; 30 31 import jdk.nashorn.internal.runtime.PropertyDescriptor; 32 33 /** 34 * ArrayData after the array has been frozen by Object.freeze call. 35 */ 36 final class FrozenArrayFilter extends SealedArrayFilter { 37 FrozenArrayFilter(final ArrayData underlying) { 38 super(underlying); 39 } 40 41 @Override 42 public ArrayData copy() { 43 return this; 44 } 45 46 @Override 47 public PropertyDescriptor getDescriptor(final Global global, final int index) { 48 return global.newDataDescriptor(getObject(index), false, true, false); 49 } 50 51 @Override 52 public ArrayData set(final int index, final int value, final boolean strict) { 53 if (strict) { 54 throw typeError("cant.set.property", Integer.toString(index), "frozen array"); 55 } 56 return this; 57 } 58 59 @Override 60 public ArrayData set(final int index, final long value, final boolean strict) { 61 if (strict) { 62 throw typeError("cant.set.property", Integer.toString(index), "frozen array"); 63 } 64 return this; 65 } 66 67 @Override 68 public ArrayData set(final int index, final double value, final boolean strict) { 69 if (strict) { 70 throw typeError("cant.set.property", Integer.toString(index), "frozen array"); 71 } 72 return this; 73 } 74 75 @Override 76 public ArrayData set(final int index, final Object value, final boolean strict) { 77 if (strict) { 78 throw typeError("cant.set.property", Integer.toString(index), "frozen array"); 79 } 80 return this; 81 } 82 }