1 /* 2 * Copyright (c) 2016, 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.internal.module; 27 28 /** 29 * Represents the WARN_IF_RESOLVED reason as per the ModuleResolution attribute. 30 */ 31 public enum WarnIfResolvedReason { 32 /** 33 * No warn reason. 34 */ 35 NONE(0), 36 37 /** 38 * Deprecated warn reason. 39 */ 40 DEPRECATED(ClassFileConstants.WARN_DEPRECATED), 41 42 /** 43 * Deprecated for removal warn reason. 44 */ 45 DEPRECATED_FOR_REMOVAL(ClassFileConstants.WARN_DEPRECATED_FOR_REMOVAL), 46 47 /** 48 * Incubating warn reason. 49 */ 50 INCUBATING(ClassFileConstants.WARN_INCUBATING); 51 52 private final int classFileConstant; 53 54 WarnIfResolvedReason(int classFileConstant) { 55 this.classFileConstant = classFileConstant; 56 } 57 58 public int classFileConstant() { 59 return classFileConstant; 60 } 61 62 public static WarnIfResolvedReason fromClassFileFlags(int value) { 63 value = value & 0x000E; // warn reason bits only 64 switch (value) { 65 case 0: 66 return NONE; 67 case ClassFileConstants.WARN_DEPRECATED: 68 return DEPRECATED; 69 case ClassFileConstants.WARN_DEPRECATED_FOR_REMOVAL: 70 return DEPRECATED_FOR_REMOVAL; 71 case ClassFileConstants.WARN_INCUBATING: 72 return INCUBATING; 73 default : 74 throw new InternalError("Unexpected value: " + value); 75 } 76 } 77 }