Java tutorial
//package com.java2s; //License from project: Apache License import java.io.PrintWriter; import java.io.StringWriter; public class Main { /** * build method by name and parameters, like: method(type1,type2) */ public static String getMethodFullName(String name, Class<?>[] parameterTypes) { StringBuilder builder = new StringBuilder(); builder.append(name); builder.append("("); if (parameterTypes != null && parameterTypes.length > 0) { boolean first = true; for (Class<?> type : parameterTypes) { if (type != null) { if (first) { first = false; } else { builder.append(","); } builder.append(type.getCanonicalName()); } } } builder.append(")"); return builder.toString(); } /** * make throwable to string. */ public static String toString(Throwable throwable) { StringWriter stringWriter = new StringWriter(); PrintWriter printWriter = new PrintWriter(stringWriter); printWriter.print(throwable.getClass().getName() + ": "); if (throwable.getMessage() != null) { printWriter.print(throwable.getMessage() + "\n"); } printWriter.println(); try { throwable.printStackTrace(printWriter); return stringWriter.toString(); } finally { printWriter.close(); } } }