org.jsoar.debugger.DefaultDebuggerProvider Maven / Gradle / Ivy

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/*
 * Copyright (c) 2009  Dave Ray 
 *
 * Created on Apr 25, 2009
 */
package org.jsoar.debugger;

import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;

import javax.swing.SwingUtilities;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.jsoar.kernel.Agent;
import org.jsoar.kernel.DebuggerProvider;
import org.jsoar.kernel.SoarException;
import org.jsoar.runtime.ThreadedAgent;

/**
 * Implementation of {@link DebuggerProvider} interface that opens an instance
 * of {@link JSoarDebugger}.
 * 
 * @see JSoarDebugger#newDebuggerProvider()
 * 
 * @author ray
 */
public class DefaultDebuggerProvider implements DebuggerProvider
{
    private static final Logger logger = LoggerFactory.getLogger(DefaultDebuggerProvider.class);
    
    private final Map properties = new HashMap();
    
    public DefaultDebuggerProvider()
    {
    }

    /* (non-Javadoc)
     * @see org.jsoar.kernel.DebuggerProvider#getProperties()
     */
    @Override
    public synchronized Map getProperties()
    {
        return new HashMap(properties);
    }

    /* (non-Javadoc)
     * @see org.jsoar.kernel.DebuggerProvider#setProperties(java.util.Map)
     */
    @Override
    public synchronized void setProperties(Map props)
    {
        properties.putAll(props);
    }

    /* (non-Javadoc)
     * @see org.jsoar.kernel.DebuggerProvider#openDebugger(org.jsoar.kernel.Agent)
     */
    @Override
    public void openDebugger(final Agent agent) throws SoarException
    {
        if(!SwingUtilities.isEventDispatchThread())
        {
            SwingUtilities.invokeLater(getOpenDebuggerRunnable(agent)); 
        }
        else
        {        
            doOpenDebugger(agent);
        }
    }

    /* (non-Javadoc)
     * @see org.jsoar.kernel.DebuggerProvider#openDebuggerAndWait(org.jsoar.kernel.Agent)
     */
    @Override
    public void openDebuggerAndWait(Agent agent) throws SoarException, InterruptedException
    {
        if(!SwingUtilities.isEventDispatchThread())
        {
            try
            {
                SwingUtilities.invokeAndWait(getOpenDebuggerRunnable(agent));
            }
            catch (InvocationTargetException e)
            {
                final Throwable cause = e.getCause();
                if(cause instanceof SoarException)
                {
                    throw (SoarException) cause;
                }
                else
                {
                    throw new SoarException(e);
                }
            } 
        }
        else
        {        
            doOpenDebugger(agent);
        }
    }
    
    private Runnable getOpenDebuggerRunnable(final Agent agent)
    {
        return () -> 
        {
            try
            {
                doOpenDebugger(agent);
            }
            catch (SoarException e)
            {
                logger.error("Failed to open new debugger: " + e.getMessage(), e);
            }
        };
    }

    private void doOpenDebugger(Agent agent) throws SoarException
    {
        final ThreadedAgent ta = ThreadedAgent.find(agent);
        if(ta == null)
        {
            throw new SoarException("Can't attach debugger to agent with no ThreadedAgent proxy");
        }
        JSoarDebugger.attach(ta, getProperties());
    }

    @Override
    public void closeDebugger(Agent agent)
    {
        if(!SwingUtilities.isEventDispatchThread())
        {
            SwingUtilities.invokeLater(getCloseDebuggerRunnable(agent)); 
        }
        else
        {        
            doCloseDebugger(agent);
        }
    }
    
    private Runnable getCloseDebuggerRunnable(Agent agent)
    {
        return () -> doCloseDebugger(agent);
    }

    private void doCloseDebugger(Agent agent)
    {
        final ThreadedAgent ta = ThreadedAgent.find(agent);
        if(ta == null)
        {
            logger.warn("Tried to close debugger for agent {} that does not have a debugger.", agent.getName());
            return;
        }
        
        JSoarDebugger.exit(ta);
    }

    @Override
    public JSoarDebugger getDebugger(Agent agent)
    {
        final ThreadedAgent ta = ThreadedAgent.find(agent);
        if(ta == null)
        {
            return null;
        }
        return JSoarDebugger.getDebugger(ta);
    }
}