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 import java.lang.module.ModuleReference; 29 import static jdk.internal.module.ClassFileConstants.*; 30 31 /** 32 * Represents the Module Resolution flags. 33 */ 34 public final class ModuleResolution { 35 36 final int value; 37 38 public ModuleResolution(int value) { 39 this.value = value; 40 } 41 42 public boolean doNotResolveByDefault() { 43 return (value & DO_NOT_RESOLVE_BY_DEFAULT) != 0; 44 } 45 46 public boolean hasDeprecatedWarning() { 47 return (value & WARN_DEPRECATED) != 0; 48 } 49 50 public boolean hasDeprecatedForRemovalWarning() { 51 return (value & WARN_DEPRECATED_FOR_REMOVAL) != 0; 52 } 53 54 public boolean hasIncubatingWarning() { 55 return (value & WARN_INCUBATING) != 0; 56 } 57 58 public ModuleResolution withDoNotResolveByDefault() { 59 return new ModuleResolution(value | DO_NOT_RESOLVE_BY_DEFAULT); 60 } 61 62 public ModuleResolution withDeprecated() { 63 if ((value & (WARN_DEPRECATED_FOR_REMOVAL | WARN_INCUBATING)) != 0) 64 throw new RuntimeException("cannot add deprecated to " + value); 65 return new ModuleResolution(value | WARN_DEPRECATED); 66 } 67 68 public ModuleResolution withDeprecatedForRemoval() { 69 if ((value & (WARN_DEPRECATED | WARN_INCUBATING)) != 0) 70 throw new RuntimeException("cannot add deprecated for removal to " + value); 71 return new ModuleResolution(value | WARN_DEPRECATED_FOR_REMOVAL); 72 } 73 public ModuleResolution withIncubating() { 74 if ((value & (WARN_DEPRECATED | WARN_DEPRECATED_FOR_REMOVAL)) != 0) 75 throw new RuntimeException("cannot add incubating to " + value); 76 return new ModuleResolution(value | WARN_INCUBATING); 77 } 78 79 public int value() { 80 return value; 81 } 82 83 public static boolean doNotResolveByDefault(ModuleReference mref) { 84 // get the DO_NOT_RESOLVE_BY_DEFAULT flag, if any 85 if (!(mref instanceof ModuleReferenceImpl)) 86 return false; 87 88 ModuleResolution mres = ((ModuleReferenceImpl)mref).moduleResolution(); 89 if (mres != null) 90 return mres.doNotResolveByDefault(); 91 92 return false; 93 } 94 95 public static boolean hasIncubatingWarning(ModuleReference mref) { 96 if (!(mref instanceof ModuleReferenceImpl)) 97 return false; 98 99 ModuleResolution mres = ((ModuleReferenceImpl)mref).moduleResolution(); 100 if (mres != null) 101 return mres.hasIncubatingWarning(); 102 103 return false; 104 } 105 106 @Override 107 public String toString() { 108 return String.valueOf(value); 109 } 110 }