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 com.sun.codemodel.internal; 27 28 /** 29 * Represents a Java module {@code requires} directive. 30 * For example {@code "requires foo.bar;"} or {@code "requires public foo.baz;"}. 31 * @author Tomas Kraus 32 */ 33 public class JRequiresDirective extends JModuleDirective { 34 35 /** Public readability modifier. */ 36 final boolean isPublic; 37 38 /** Static modifier. */ 39 final boolean isStatic; 40 41 /** 42 * Creates an instance of Java module {@code requires} directive. 43 * @param name name of required module or service. 44 * @param isPublic Use {@code public} modifier. 45 * @param isStatic Use {@code static} modifier. 46 * @throws IllegalArgumentException if the name argument is {@code null}. 47 */ 48 JRequiresDirective(final String name, final boolean isPublic, final boolean isStatic) { 49 super(name); 50 this.isPublic = isPublic; 51 this.isStatic = isStatic; 52 } 53 54 /** 55 * Gets the type of this module directive. 56 * @return type of this module directive. Will always return {@code Type.RequiresDirective}. 57 */ 58 @Override 59 public Type getType() { 60 return Type.RequiresDirective; 61 } 62 63 /** 64 * Print source code of {@code requires} module directive modifiers: 65 * {@code public} and {@code static} keywords for module dependency. 66 * @param f Java code formatter. 67 */ 68 protected void generateModifiers(final JFormatter f) { 69 if (isPublic) { 70 f.p("public"); 71 } 72 if (isStatic) { 73 f.p("static"); 74 } 75 } 76 77 /** 78 * Print source code of this module directive. 79 * @param f Java code formatter. 80 * @return provided instance of Java code formatter. 81 */ 82 @Override 83 public JFormatter generate(final JFormatter f) { 84 f.p("requires"); 85 generateModifiers(f); 86 f.p(name); 87 f.p(';').nl(); 88 return f; 89 } 90 91 }