mirror of https://github.com/octoleo/plantuml.git
80 lines
2.7 KiB
Java
80 lines
2.7 KiB
Java
/*
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* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details
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* (http://www.gnu.org/copyleft/lesser.html).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package jcckit.util;
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import java.lang.reflect.InvocationTargetException;
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/**
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* Exception thrown in the case of an error during creation of a new
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* object by {@link Factory#create}.
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*
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* @author Franz-Josef Elmer
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*/
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public class FactoryException extends RuntimeException {
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private final String _fullKey;
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private final String _className;
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private final Object _reason;
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/**
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* Creates a new instance based on the specified configuration parameters
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* and reason object.
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* <p>
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* If <tt>reason</tt> is an instance of <tt>InvocationTargetException</tt>
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* it will be replaced by the wrapped <tt>Throwable</tt>.
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* @param configParameters Configuration parameters from which the
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* <tt>className</tt> will be extracted (if it exists, otherwise
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* <tt>null</tt> will be taken).
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* @param reason The reason causing this exception. Most often an
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* an exception.
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*/
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public FactoryException(ConfigParameters configParameters, String key,
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Object reason) {
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_fullKey = configParameters.getFullKey(key);
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_className = configParameters.get(key, null);
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if (reason instanceof InvocationTargetException) {
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reason = ((InvocationTargetException) reason).getTargetException();
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}
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_reason = reason;
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}
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/** Returns the full class name key. */
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public String getFullKey() {
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return _fullKey;
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}
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/** Returns the fully qualified class name. */
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public String getClassName() {
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return _className;
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}
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/** Returns the reason object causing this exception. */
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public Object getReason() {
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return _reason;
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}
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/**
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* Renders this instance as follows: <tt>jcckit.util.FactoryException:
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* <i>full key</i> = <i>class name</i>: <i>reason</i></tt>.
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*/
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public String toString() {
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return getClass().getName() + ": " + _fullKey + " = " + _className
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+ ": " + _reason;
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}
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}
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