/*

 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * This source code is provided to illustrate the usage of a given feature

 * or technique and has been deliberately simplified. Additional steps

 * required for a production-quality application, such as security checks,

 * input validation and proper error handling, might not be present in

 * this sample code.

 */

package com.sun.tools.example.debug.gui;

import java.io.*;

import com.sun.jdi.*;

import com.sun.tools.example.debug.bdi.*;

public class Environment {

    private SourceManager sourceManager;

    private ClassManager classManager;

    private ContextManager contextManager;

    private MonitorListModel monitorListModel;

    private ExecutionManager runtime;

    private PrintWriter typeScript;

    private boolean verbose;

    public Environment() {

        this.classManager = new ClassManager(this);

        //### Order of the next three lines is important!  (FIX THIS)

        this.runtime = new ExecutionManager();

        this.sourceManager = new SourceManager(this);

        this.contextManager = new ContextManager(this);

        this.monitorListModel = new MonitorListModel(this);

    }

    // Services used by debugging tools.

    public SourceManager getSourceManager() {

        return sourceManager;

    }

    public ClassManager getClassManager() {

        return classManager;

    }

    public ContextManager getContextManager() {

        return contextManager;

    }

    public MonitorListModel getMonitorListModel() {

        return monitorListModel;

    }

    public ExecutionManager getExecutionManager() {

        return runtime;

    }

    //### TODO:

    //### Tools should attach/detach from environment

    //### via a property, which should call an 'addTool'

    //### method when set to maintain a registry of

    //### tools for exit-time cleanup, etc.  Tool

    //### class constructors should be argument-free, so

    //### that they may be instantiated by bean builders.

    //### Will also need 'removeTool' in case property

    //### value is changed.

    //

    // public void addTool(Tool t);

    // public void removeTool(Tool t);

     public void terminate() {

         System.exit(0);

     }

    // public void refresh();    // notify all tools to refresh their views

    // public void addStatusListener(StatusListener l);

    // public void removeStatusListener(StatusListener l);

    // public void addOutputListener(OutputListener l);

    // public void removeOutputListener(OutputListener l);

    public void setTypeScript(PrintWriter writer) {

        typeScript = writer;

    }

    public void error(String message) {

        if (typeScript != null) {

            typeScript.println(message);

        } else {

            System.out.println(message);

        }

    }

    public void failure(String message) {

        if (typeScript != null) {

            typeScript.println(message);

        } else {

            System.out.println(message);

        }

    }

    public void notice(String message) {

        if (typeScript != null) {

            typeScript.println(message);

        } else {

            System.out.println(message);

        }

    }

    public OutputSink getOutputSink() {

        return new OutputSink(typeScript);

    }

    public void viewSource(String fileName) {

        //### HACK ###

        //### Should use listener here.

        com.sun.tools.example.debug.gui.GUI.srcTool.showSourceFile(fileName);

    }

    public void viewLocation(Location locn) {

        //### HACK ###

        //### Should use listener here.

        //### Should we use sourceForLocation here?

        com.sun.tools.example.debug.gui.GUI.srcTool.showSourceForLocation(locn);

    }

    //### Also in 'ContextManager'.  Do we need both?

    public boolean getVerboseFlag() {

        return verbose;

    }

    public void setVerboseFlag(boolean verbose) {

        this.verbose = verbose;

    }

}