| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package compiler.compilercontrol.share.method; |
| |
| import java.lang.reflect.Executable; |
| import java.util.Arrays; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Element represents class in method descriptor |
| * that consist from class package and class itself |
| */ |
| public class ClassType extends MethodElementType { |
| private final String[] packageDirs; |
| private final Class<?> aClass; |
| private boolean setPackage; |
| |
| public ClassType(Executable method) { |
| // Use pack/subpack/Class::method separators style |
| super(MethodDescriptor.Separator.SLASH); |
| // Get package |
| aClass = method.getDeclaringClass(); |
| Package aPackage = method.getDeclaringClass().getPackage(); |
| if (aPackage != null) { |
| // split into directories |
| packageDirs = aPackage.getName().split("\\."); |
| } else { |
| packageDirs = null; |
| } |
| setPackage = true; |
| buildElement(setPackage); |
| } |
| |
| @Override |
| public boolean isValid() { |
| if (element.isEmpty()) { |
| return false; |
| } |
| boolean separatorMet = false; |
| char separatorChar = 0; |
| char[] charArray = element.toCharArray(); |
| for (int i = 0; i < charArray.length; i++) { |
| char ch = charArray[i]; |
| switch (ch) { |
| case '/': |
| case '.': |
| if (separatorMet) { |
| if (ch != separatorChar) { |
| // there are two different separators |
| return false; |
| } |
| } else { |
| separatorChar = ch; |
| separatorMet = true; |
| } |
| break; |
| case ':': |
| if (++i != charArray.length) { |
| if (charArray[i] == ':') { |
| // :: is invalid separator |
| separator = MethodDescriptor.Separator.DOUBLECOLON; |
| return false; |
| } |
| } |
| break; |
| // Invalid separators |
| case ',': |
| case ' ': |
| return false; |
| } |
| } |
| // set correct separator |
| switch (separatorChar) { |
| case '.': |
| separator = MethodDescriptor.Separator.DOT; |
| break; |
| case '/': |
| separator = MethodDescriptor.Separator.SLASH; |
| break; |
| default: |
| separator = MethodDescriptor.Separator.NONE; |
| break; |
| } |
| return super.isValid(); |
| } |
| |
| @Override |
| public void setSeparator(MethodDescriptor.Separator separator) { |
| this.separator = separator; |
| buildElement(setPackage); |
| } |
| |
| @Override |
| public void setPattern(MethodDescriptor.PatternType patternType) { |
| switch (patternType) { |
| case EXACT: |
| break; |
| case PREFIX: |
| // For prefix pattern use only class name without package |
| buildElement(false); |
| regexp = ".*" + regexp; |
| element = "*" + element; |
| break; |
| case ANY: |
| regexp = ".*"; |
| element = "*"; |
| break; |
| case SUFFIX: |
| regexp = regexp + ".*"; |
| element = element + "*"; |
| break; |
| case SUBSTRING: |
| setPattern(MethodDescriptor.PatternType.PREFIX); |
| setPattern(MethodDescriptor.PatternType.SUFFIX); |
| break; |
| default: |
| throw new IllegalArgumentException("ERROR: wrong pattern type " |
| + patternType); |
| } |
| } |
| |
| /** |
| * Builds element string and regexp. |
| * |
| * @param setPackage shows that element should have a package name |
| */ |
| private void buildElement(boolean setPackage) { |
| this.setPackage = setPackage; |
| StringBuilder elementBuilder = new StringBuilder(); |
| if (packageDirs != null && setPackage) { |
| elementBuilder.append(Arrays.stream(packageDirs) |
| .collect(Collectors.joining(separator.symbol))); |
| elementBuilder.append(separator.symbol); |
| } |
| String className = aClass.getSimpleName(); |
| if (setPackage) { |
| // Add outer classes if any |
| Class<?> enclosingClass = aClass.getEnclosingClass(); |
| while (enclosingClass != null) { |
| className = enclosingClass.getSimpleName() + "$" + className; |
| enclosingClass = enclosingClass.getEnclosingClass(); |
| } |
| } |
| elementBuilder.append(className); |
| element = elementBuilder.toString(); |
| if (separator == MethodDescriptor.Separator.DOT) { |
| // Replace . with / to make regexp look like CommandSignature |
| regexp = element.replace(".", "/"); |
| } else { |
| regexp = element; |
| } |
| regexp = regexp.replace("$", "\\$"); |
| } |
| } |