1/* 2 * Copyright (c) 2015, 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 */ 23 24package compiler.compilercontrol.share.method; 25 26import java.lang.reflect.Constructor; 27import java.lang.reflect.Executable; 28 29/** 30 * Represents a method in CompileControl method signature 31 */ 32public class MethodType extends MethodElementType { 33 private static final char[] INVALID_CHARS = { '.', '/' }; 34 35 public MethodType(Executable method) { 36 // Use pack/subpack/Class::method separators style 37 super(MethodDescriptor.Separator.DOT); 38 if (method instanceof Constructor) { 39 element = "<init>"; 40 } else { 41 element = method.getName(); 42 } 43 regexp = element; 44 } 45 46 @Override 47 public boolean isValid() { 48 for (char ch : INVALID_CHARS) { 49 if (element.indexOf(ch) != -1) { 50 return false; 51 } 52 } 53 if (element.isEmpty()) { 54 // Shouldn't be empty 55 return false; 56 } 57 if (element.contains("<") || element.contains(">")) { 58 return element.matches("(\\*)?<(cl)?init>(\\*)?"); 59 } 60 return super.isValid(); 61 } 62 63 @Override 64 public void setPattern(MethodDescriptor.PatternType patternType) { 65 switch (patternType) { 66 case EXACT: 67 break; 68 case PREFIX: 69 regexp = ".*" + regexp; 70 element = "*" + element; 71 break; 72 case ANY: 73 regexp = "[^(]*"; 74 element = "*"; 75 break; 76 case SUFFIX: 77 regexp = regexp + "[^(]*"; 78 element = element + "*"; 79 break; 80 case SUBSTRING: 81 setPattern(MethodDescriptor.PatternType.PREFIX); 82 setPattern(MethodDescriptor.PatternType.SUFFIX); 83 break; 84 default: 85 throw new IllegalArgumentException("ERROR: wrong pattern type " 86 + patternType); 87 } 88 } 89} 90