/* * [The "BSD license"] * Copyright (c) 2011 Terence Parr * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.stringtemplate.v4.misc; import nebula.simpletemplate.ST; import org.antlr.runtime.Token; import java.io.PrintWriter; import java.io.StringWriter; /** Upon error, ST creates an {@link STMessage} or subclass instance and notifies * the listener. This root class is used for IO and internal errors. * * @see STRuntimeMessage * @see STCompiletimeMessage */ public class STMessage { /** if in debug mode, has created instance, add attr events and eval * template events. */ public ST self; public ErrorType error; public Object arg; public Object arg2; public Object arg3; public Throwable cause; public STMessage(ErrorType error) { this.error = error; } public STMessage(ErrorType error, ST self) { this(error); this.self = self; } public STMessage(ErrorType error, ST self, Throwable cause) { this(error,self); this.cause = cause; } public STMessage(ErrorType error, ST self, Throwable cause, Object arg) { this(error,self,cause); this.arg = arg; } public STMessage(ErrorType error, ST self, Throwable cause, Token where, Object arg) { this(error,self,cause,where); this.arg = arg; } public STMessage(ErrorType error, ST self, Throwable cause, Object arg, Object arg2) { this(error,self,cause,arg); this.arg2 = arg2; } public STMessage(ErrorType error, ST self, Throwable cause, Object arg, Object arg2, Object arg3) { this(error,self,cause,arg,arg2); this.arg3 = arg3; } @Override public String toString() { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); String msg = String.format(error.message, arg, arg2, arg3); pw.print(msg); if ( cause!=null ) { pw.print("\nCaused by: "); cause.printStackTrace(pw); } return sw.toString(); } }