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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/* *******************************************************************
 * Copyright (c) 1999-2001 Xerox Corporation,
 *               2002 Palo Alto Research Center, Incorporated (PARC).
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     Xerox/PARC     initial implementation
 *     Helen Hawkins  Converted to new interface (bug 148190)
 * ******************************************************************/


package org.aspectj.ajde.ui.swing;

import java.awt.Component;

import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;

import org.aspectj.ajde.Ajde;
import org.aspectj.bridge.IMessage;
import org.aspectj.util.LangUtil;

/**
 * @author  Mik Kersten
 */
public class CompilerMessagesCellRenderer extends JLabel implements ListCellRenderer {

	private static final long serialVersionUID = -4406791252357837712L;

	public Component getListCellRendererComponent(
		JList list,
		Object value,
		int index,
		boolean isSelected,
		boolean cellHasFocus) {
            String label = "";
            String detail = null;
            IMessage.Kind kind = IMessage.ERROR;
            if (value instanceof IMessage) {
				IMessage cm = (IMessage) value;
                label = cm.getMessage();
                if (LangUtil.isEmpty(label)) {
                    label = cm.getMessage();
                }
                kind = cm.getKind();
                Throwable thrown = cm.getThrown();
                if (null != thrown) {
                    detail = LangUtil.renderException(thrown);
                }
            } else if (null != value) {
                label = value.toString();
            }
			setText(label);
			if (kind.equals(IMessage.WARNING)) {
				setIcon(Ajde.getDefault().getIconRegistry().getWarningIcon());
			} else if (IMessage.ERROR.isSameOrLessThan(kind)) {
                setIcon(Ajde.getDefault().getIconRegistry().getErrorIcon());
			} else {
                setIcon(Ajde.getDefault().getIconRegistry().getInfoIcon());
			}
			if (isSelected) {
				setBackground(list.getSelectionBackground());
				setForeground(list.getSelectionForeground());
			} else {
				setBackground(list.getBackground());
				setForeground(list.getForeground());
			}
			setEnabled(list.isEnabled());
			setFont(list.getFont());
			setOpaque(true);
            if (null != detail) {
                setToolTipText(detail);
            }
			return this;
	}
}