1/* 2 * Copyright (c) 2011, 2017, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23package org.graalvm.graphio; 24 25final class DefaultGraphTypes implements GraphTypes { 26 static final GraphTypes DEFAULT = new DefaultGraphTypes(); 27 28 private DefaultGraphTypes() { 29 } 30 31 @Override 32 public Class<?> enumClass(Object enumValue) { 33 if (enumValue instanceof Enum<?>) { 34 return enumValue.getClass(); 35 } 36 return null; 37 } 38 39 @Override 40 public int enumOrdinal(Object obj) { 41 if (obj instanceof Enum<?>) { 42 return ((Enum<?>) obj).ordinal(); 43 } 44 return -1; 45 } 46 47 @SuppressWarnings("unchecked") 48 @Override 49 public String[] enumTypeValues(Object clazz) { 50 if (clazz instanceof Class<?>) { 51 Class<? extends Enum<?>> enumClass = (Class<? extends Enum<?>>) clazz; 52 Enum<?>[] constants = enumClass.getEnumConstants(); 53 if (constants != null) { 54 String[] names = new String[constants.length]; 55 for (int i = 0; i < constants.length; i++) { 56 names[i] = constants[i].name(); 57 } 58 return names; 59 } 60 } 61 return null; 62 } 63 64 @Override 65 public String typeName(Object clazz) { 66 if (clazz instanceof Class<?>) { 67 return ((Class<?>) clazz).getName(); 68 } 69 return null; 70 } 71 72} 73