Mercurial > hg > MauveTestCoverage
view src/PrintPublicMethods.java @ 0:29318fe8d6d0
2012-01-04 Pavel Tisnovsky <ptisnovs@redhat.com>
* adding .classpath:
* adding .project:
* adding .settings/org.eclipse.jdt.core.prefs:
* adding AUTHORS:
* adding ChangeLog:
* adding LICENSE:
* adding Makefile:
* adding NEWS:
* adding README:
* adding TODO:
* adding class_list.txt:
* adding path_to_rt_jar.txt:
* adding src/PrintClassList.java:
* adding src/PrintPublicMethods.java:
* adding src/PrintTestCoverage.java:
* adding src/ReportGenerator.java:
* adding src/index.html:
* adding src/style.css:
* adding test_directory.txt:
Initial push to this project.
author | Pavel Tisnovsky <ptisnovs@redhat.com> |
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date | Wed, 04 Jan 2012 11:20:55 +0100 |
parents | |
children | 61f453c6b172 |
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/* Test coverage tool. Copyright (C) 2012 Red Hat This tool is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This tool 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 for more details. You should have received a copy of the GNU General Public License along with this tool; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ import java.lang.reflect.Constructor; import java.lang.reflect.Method; import java.lang.reflect.Modifier; import java.util.Set; import java.util.TreeSet; /** * This class generates a list containing all public methods and its argument * types and return type for all classes specified in a file "class_list.txt" * or in a file specified by a command line parameter. * * @author Pavel Tisnovsky */ public class PrintPublicMethods { /** * Get a Class instance for a given class name or null if something goes * wrong. * * @param className * name of a class (including package name) * @return Class instance */ @SuppressWarnings("unchecked") private static Class getClass(String className) { Class clazz = null; try { clazz = Class.forName(className); if (!clazz.isInterface() && Modifier.isPublic(clazz.getModifiers())) { return clazz; } } catch (ClassNotFoundException e) { return null; } catch (UnsatisfiedLinkError e) { return null; } catch (ExceptionInInitializerError e) { return null; } catch (NoClassDefFoundError e) { return null; } return null; } /** * Remove "public", "static", "final", "synchronized" and "native" prefixes * from full method name; * * @param methodName * method name with all prefixes * @return method name without prefixes */ private static String acquireMethodName(String methodName) { final String[] prefixes = new String[] {"public", "final", "native", "synchronized", "static"}; String methodNameString = methodName; for (String prefix : prefixes) { methodNameString = removePrefix(methodNameString, prefix); } return removeThrowsFromDeclaration(methodNameString); } /** * Remove one given prefix from method name. * * @param methodName * method name that could contains prefix. * @param prefix * prefix to be removed. * @return method name without prefixes */ private static String removePrefix(String methodName, String prefix) { String prefixStr = prefix + " "; if (methodName.startsWith(prefixStr)) { return methodName.substring(prefixStr.length()); } return methodName; } /** * Removes throws declaration from method name, i.e.: * * <pre> * void java.lang.Object.wait() throws java.lang.InterruptedException * </pre> * * is changed to: * * <pre> * void java.lang.Object.wait() throws java.lang.InterruptedException * </pre> * * @param methodName * method name which could contain throws declaration * @return method name without throws declaration */ private static String removeThrowsFromDeclaration(String methodName) { int throwDeclarationIndex = methodName.indexOf(" throws "); if (throwDeclarationIndex > 1) { return methodName.substring(0, throwDeclarationIndex); } return methodName; } /** * Print all public method from given class name (if such class exists). * * @param className * name of a class (including package name) */ @SuppressWarnings("unchecked") private static Set<String> getAllPublicMethodsForClass(String className) { Set<String> out = new TreeSet<String>(); Class clazz = getClass(className); if (clazz == null) { return out; } Method[] methods = clazz.getDeclaredMethods(); for (Method method : methods) { if (Modifier.isPublic(method.getModifiers())) { String methodName = acquireMethodName(method.toString()); out.add(methodName); } } return out; } @SuppressWarnings("unchecked") private static Set<String> getAllConstructors(String className) { Set<String> out = new TreeSet<String>(); Class clazz = getClass(className); if (clazz == null) { return out; } Constructor[] constructors = clazz.getConstructors(); for (Constructor constructor : constructors) { if (Modifier.isPublic(constructor.getModifiers())) { String methodName = acquireMethodName(constructor.toString()); out.add("<init> " + methodName); } } return out; } private static void printAllPublicMethodsAndConstructors(String className) { for (String methodSignature : getAllConstructors(className)) { System.out.println(methodSignature); } for (String methodSignature : getAllPublicMethodsForClass(className)) { System.out.println(methodSignature); } } /** * Entry point to this tool. * * @param args * first argument could contains path to file containing class * list. */ public static void main(String[] args) { if (args.length == 1) { printAllPublicMethodsAndConstructors(args[0].trim()); } else { System.err.println("Usage java PrintPublicMethods package.className"); } } }