/*license*\ XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com) This software is dual-licensed under the: - Lesser General Public License (LGPL) version 3.0 or, at your option, any later version; - Apache Software License (ASL) version 2.0. Either license may be applied at your discretion. More information may be found at - http://en.wikipedia.org/wiki/Multi-licensing. The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at: - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt \*license*/ package com.github.xbn.lang; /** <p>Basic error message construction. It is encouraged that this class be <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/language/static-import.html">statically imported</a> "en masse": <br/>     {@code import static com.github.xbn.lang.CrashIfBase.*;}</p> * @since 0.1.0 * @author Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a> **/ public class CrashIfBase { /** <p>A basic error message with optional extra context. When there is no extra context, there is no point in using this function.</p> * @see #appendExtraInfoPostfix(StringBuilder, Object) appendExtraInfoPostfix(sd,o) */ //getXMsg(String, Object) public static final String getXMsg(String message, Object xtra_errInfo) { StringBuilder sd = (new StringBuilder()); if(message != null) { sd.append(message); } return appendExtraInfoPostfix(sd, xtra_errInfo).toString(); } public static final StringBuilder appendExtraInfoPostfix(StringBuilder to_appendTo, Object xtra_errInfo) { if(xtra_errInfo == null) { return to_appendTo; } to_appendTo.append(", "); boolean bNotXia = !(xtra_errInfo instanceof XInfoAccumulator); if(bNotXia) { to_appendTo.append("extra-info=["); } ToStringDefensive.append(to_appendTo, xtra_errInfo, "xtra_errInfo", -1); if(bNotXia) { to_appendTo.append("]"); } return to_appendTo; } public static final RuntimeException regetRtxCrashIfNull(RuntimeException cause, String cause_name) { if(cause == null) { throw new NullPointerException(cause_name); } //Can't use. Would result in circular dependency. //Objects.requireNonNull(cause, cause_name); return cause; } }