juneau-core/juneau-marshall/src/main/java/org/apache/juneau/ClassMetaRuntimeException.java

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// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau;

import java.text.*;

/**
 * General class metadata runtime operation exception.
 */
public final class ClassMetaRuntimeException extends FormattedRuntimeException {

	private static final long serialVersionUID = 1L;

	/**
	 * Constructor.
	 *
	 * @param cause The cause of this exception.
	 * @param c The class name of the bean that caused the exception.
	 * @param message The {@link MessageFormat}-style message.
	 * @param args Optional {@link MessageFormat}-style arguments.
	 */
	public ClassMetaRuntimeException(Throwable cause, Class<?> c, String message, Object... args) {
		super(cause, getMessage(cause, c, message), args);
	}

	/**
	 * Constructor.
	 *
	 * @param message The error message.
	 */
	public ClassMetaRuntimeException(String message) {
		this((Throwable)null, null, message);
	}

	/**
	 * Constructor.
	 *
	 * @param message The error message.
	 * @param args Arguments passed in to the {@code String.format()} method.
	 */
	public ClassMetaRuntimeException(String message, Object...args) {
		this(null, null, message, args);
	}

	/**
	 * Shortcut for calling <code><jk>new</jk> ClassMetaRuntimeException(String.format(c.getName() + <js>": "</js> + message, args));</code>
	 *
	 * @param c The class name of the bean that caused the exception.
	 * @param message The error message.
	 * @param args Arguments passed in to the {@code String.format()} method.
	 */
	public ClassMetaRuntimeException(Class<?> c, String message, Object... args) {
		this(null, c, message, args);
	}

	/**
	 * Constructor.
	 *
	 * @param cause The initial cause of the exception.
	 */
	public ClassMetaRuntimeException(Throwable cause) {
		this(cause, null, null);
	}

	private static String getMessage(Throwable cause, Class<?> c, String msg) {
		if (msg != null)
			return (c == null ? "" : c.getName() + ": ") + msg;
		if (cause != null)
			return (c == null ? "" : c.getName() + ": ") + cause.getMessage();
		return null;
	}
}