/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.openide;

import java.util.Set;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;

/**
 * A stub implementation of org.openide.ErrorManager to enable the tab control
 * to be used as a standalone jar.  Does nothing except print to stderr.
 *
 * @author Tim Boudreau
 */
public final class ErrorManager extends Object {
    private static final ErrorManager INSTANCE = new ErrorManager();
    
    // XXX note that these levels accidentally used hex rather than binary,
    // so it goes 0, 1, 16, 256, ....
    // Unfortunately too late to change now: public int constants are part of the
    // API - documented, inlined into compiled code, etc.
    
    /**
     * Undefined severity.
     * May be used only in {@link #notify(int, Throwable)}
     * and {@link #annotate(Throwable, int, String, String, Throwable, Date)}.
     */
    public static final int UNKNOWN = 0x00000000;
    /** Message that would be useful for tracing events but which need not be a problem. */
    public static final int INFORMATIONAL = 0x00000001;
    /** Something went wrong in the software, but it is continuing and the user need not be bothered. */
    public static final int WARNING = 0x00000010;
    /** Something the user should be aware of. */
    public static final int USER = 0x00000100;
    /** Something went wrong, though it can be recovered. */
    public static final int EXCEPTION = 0x00001000;
    /** Serious problem, application may be crippled. */
    public static final int ERROR = 0x00010000;

    public static ErrorManager getDefault () {
        return INSTANCE;
    }

    public Throwable annotate (
        Throwable t, int severity,
        String message, String localizedMessage,
        Throwable stackTrace, java.util.Date date
    ) {
        if (stackTrace != null) {
            stackTrace.printStackTrace();
        }
        return stackTrace;
    }

    public void notify (int severity, Throwable t) {
        t.printStackTrace();
    }

    public final void notify (Throwable t) {
        notify(UNKNOWN, t);
    }

    public void log(int severity, String s) {
        System.err.println(s);
    }

    public final void log(String s) {
        log(INFORMATIONAL, s);
    }
    
    public boolean isLoggable (int severity) {
        return true;
    }

    public ErrorManager getInstance(String name) {
        return getDefault();
    }
   
    public final Throwable annotate (
        Throwable t, String localizedMessage
    ) {
        return annotate (t, UNKNOWN, null, localizedMessage, null, null);
    }

    
    public final Throwable annotate (Throwable target, Throwable t) {
        return annotate (target, UNKNOWN, null, null, t, null);        
    }

}