package org.jacorb.poa;

/*
 *        JacORB - a free Java ORB
 *
 *   Copyright (C) 1997-2001  Gerald Brose.
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Library General Public
 *   License as published by the Free Software Foundation; either
 *   version 2 of the License, or (at your option) any later version.
 *
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *   Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this library; if not, write to the Free
 *   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
import org.jacorb.poa.gui.*;

import org.jacorb.util.Environment;

/**
 * This class extends the POAManager with a monitoring gui for interacting
 * with the POAManager and start and stop poa monitoring.
 *
 * @author Reimo Tiedemann, FU Berlin
 * @version 1.05, 12/08/99, RT
 */

public class POAManagerMonitorImpl 
    implements POAManagerMonitor, POAManagerMonitorController 
{
    private POAManager model = null;
    private POAManagerMonitorView view = null;

    public void actionClosePOAMonitor(String name) {
        if (model != null) {
            try {
                printMessage("invoke \"closeMonitor()\" on POAMonitor "+name);
                model.getRegisteredPOA(reducePOAName(name)).getMonitor().closeMonitor();
                printMessage("closeMonitor() on POAMonitor "+name+" is returned successfully");
            } catch (Throwable e) {
                printMessage("exception ocurred: "+e);
            }
        }       
    }
    public void actionCloseView() {
        closeMonitor();
    }
    public void actionDestroyPOA(String name) {
        if (model != null) {
            try {
                printMessage("invoke \"destroy()\" on POA "+name);
                model.getRegisteredPOA(reducePOAName(name)).destroy(true, true);
                printMessage("destroy() on POA "+name+" is returned successfully");
            } catch (Throwable e) {
                printMessage("exception ocurred: "+e);
            }
        }       
    }
    public void actionOpenPOAMonitor(String name) {
        if (model != null) {
            try {
                printMessage("invoke \"openMonitor()\" on POAMonitor "+name);
                model.getRegisteredPOA(reducePOAName(name)).getMonitor().openMonitor();
                printMessage("openMonitor() on POAMonitor "+name+" is returned successfully");
            } catch (Throwable e) {
                printMessage("exception ocurred: "+e);
            }
        }       
    }
    public void actionSetToActive() {
        if (model != null) {
            try {
                printMessage("invoke \"activate()\" on POAManager");
                model.activate();
                printMessage("activate() on POAManager is returned successfully");
            } catch (org.omg.PortableServer.POAManagerPackage.AdapterInactive e) {
                printMessage("exception ocurred: "+e);
                resetState();
            }
        }       
    }
    public void actionSetToDiscarding(boolean wait) {
        if (model != null) {
            try {
                printMessage("invoke \"discard_requests("+wait+")\" on POAManager");
                model.discard_requests(wait);
                printMessage("discard_requests("+wait+") on POAManager is returned successfully");
            } catch (org.omg.PortableServer.POAManagerPackage.AdapterInactive e) {
                printMessage("exception ocurred: "+e);
                resetState();
            }
        }       
    }
    public void actionSetToHolding(boolean wait) {
        if (model != null) {
            try {
                printMessage("invoke \"hold_requests("+wait+")\" on POAManager");
                model.hold_requests(wait);
                printMessage("hold_requests("+wait+") on POAManager is returned successfully");
            } catch (org.omg.PortableServer.POAManagerPackage.AdapterInactive e) {
                printMessage("exception ocurred: "+e);
                resetState();
            }
        }       
    }
    public void actionSetToInactive(boolean wait, boolean etherialize) {
        if (model != null) {
            try {
                printMessage("invoke \"deactivate("+etherialize+", "+wait+")\" on POAManager");
                model.deactivate(etherialize, wait);
                printMessage("deactivate("+etherialize+", "+wait+") on POAManager is returned successfully");
            } catch (org.omg.PortableServer.POAManagerPackage.AdapterInactive e) {
                printMessage("exception ocurred: "+e);
                resetState();
            }
        }       
    }
    synchronized public void addPOA(String name) {
        if (view != null) {
            try {
                view._addPOA(expandPOAName(name));
            } catch (Throwable exception) {
                System.err.println("Exception occurred in _addPOA() of POAManagerMonitor");
                exception.printStackTrace();
            }
            printMessage("register POA "+name);
        }
    }
    synchronized public void closeMonitor() {
        if (view != null) {
            try {
                POAManagerMonitor newMonitor = (POAManagerMonitor)Class.forName("org.jacorb.poa.POAManagerMonitorLightImpl").newInstance();
                newMonitor.init(model);                         
                model.setMonitor(newMonitor);
                POAManagerMonitorView tmp = view;
                view = null;
                tmp._destroy();
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in closeMonitor() of POAManagerMonitorLightImpl");
                org.jacorb.util.Debug.output(0, exception);
            }
        }
    }
    private String expandPOAName(String name) {
        return name.equals("") ? 
            POAConstants.ROOT_POA_NAME : 
            POAConstants.ROOT_POA_NAME+POAConstants.OBJECT_KEY_SEPARATOR+name;
    }
    public void init(POAManager poaManager) {
        model = poaManager;
    }
    synchronized public void openMonitor() {
        try {
            view = new org.jacorb.poa.gui.pm.POAManagerFrame(this);
            view._setVisible(true);
        } catch (Throwable exception) {
            org.jacorb.util.Debug.output(0, "Exception occurred in closeMonitor() of POAManagerMonitor");
            org.jacorb.util.Debug.output(0, exception);
        }
    }
    synchronized public void printMessage(String str) {
        if (view != null) {
            try {
                view._printMessage(Environment.time()+"> "+str);
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in printMessage() of POAManagerMonitor");
                org.jacorb.util.Debug.output(0, exception);
            }
        }
    }
    private String reducePOAName(String name) {
        return name.equals(POAConstants.ROOT_POA_NAME) ? "" : name.substring(POAConstants.ROOT_POA_NAME.length()+1);
    }
    synchronized public void removePOA(String name) {
        if (view != null) {
            try {
                view._removePOA(expandPOAName(name));
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in removePOA() of POAManagerMonitor");
                org.jacorb.util.Debug.output(0, exception);
            }
            printMessage("unregister POA "+name);
        }
    }
    synchronized protected  void resetState() {
        if (view != null) {
            try {
                view._resetState();
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in resetState() of POAManagerMonitor");
                org.jacorb.util.Debug.output(0, exception);
            }
        }
    }
    synchronized public void setToActive() {
        if (view != null) {
            try {
                view._setToActive();
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in setToActive() of POAManagerMonitor");
                org.jacorb.util.Debug.output(0, exception);
            }
            printMessage("POAManager is set to \"active\"");
        }
    }
    synchronized public void setToDiscarding(boolean wait) {
        if (view != null) {
            try {
                view._setToDiscarding(wait);
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in setToDiscarding() of POAManagerMonitor");
                org.jacorb.util.Debug.output(0, exception);
            }
            printMessage("POAManager is set to \"discarding\"");
        }
    }
    synchronized public void setToHolding(boolean wait) {
        if (view != null) {
            try {
                view._setToHolding(wait);
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in setToHolding() of POAManagerMonitor");
                org.jacorb.util.Debug.output(0, exception);
            }
            printMessage("POAManager is set to \"holding\"");
        }
    }
    synchronized public void setToInactive(boolean wait, boolean etherialize) {
        if (view != null) {
            try {
                view._setToInactive(wait, etherialize);
            } catch (Throwable exception) {
                org.jacorb.util.Debug.output(0, "Exception occurred in setToInactive() of POAManagerMonitor");
                org.jacorb.util.Debug.output(0, exception);
            }
            printMessage("POAManager is set to \"inactive\"");
        }
    }
}







