com.nokia.traceviewer.engine.ConnectionCreator.java Source code

Introduction

Here is the source code for com.nokia.traceviewer.engine.ConnectionCreator.java

Source

/*
 * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). 
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 *
 * Initial Contributors:
 * Nokia Corporation - initial contribution.
 *
 * Contributors:
 *
 * Description:
 *
 * Connection Creator based on preferences
 *
 */
package com.nokia.traceviewer.engine;

import org.eclipse.jface.preference.IPreferenceStore;

import com.nokia.traceviewer.TraceViewerPlugin;
import com.nokia.traceviewer.engine.preferences.PreferenceConstants;

/**
 * Creates and returns a connection based on preferences
 * 
 */
public final class ConnectionCreator {

    /**
     * Trace file path
     */
    private final String traceFilePath;

    /**
     * Constructor
     * 
     * @param traceFilePath
     *            trace file path
     */
    public ConnectionCreator(String traceFilePath) {
        this.traceFilePath = traceFilePath;
    }

    /**
     * Creates and returns a connection
     * 
     * @return created connection
     */
    public Connection getConnection() {
        Connection connection = null;
        IPreferenceStore store = TraceViewerPlugin.getDefault().getPreferenceStore();

        // TCP connection
        if (store.getString(PreferenceConstants.CONNECTION_TYPE)
                .equals(PreferenceConstants.CONNECTION_TYPE_TCPIP)) {

            connection = createTcpConnection(store);

            // USB Serial connection
        } else if (store.getString(PreferenceConstants.CONNECTION_TYPE)
                .equals(PreferenceConstants.CONNECTION_TYPE_USB_SERIAL)) {
            connection = createUsbSerialConnection(store);
        }

        return connection;
    }

    /**
     * Creates TCP connection
     * 
     * @param store
     *            preference store
     * @return created connection
     */
    private Connection createTcpConnection(IPreferenceStore store) {
        Connection connection;

        // Close the old file from file handler
        TraceViewerGlobals.getTraceViewer().getFileHandler().closeFile();

        // Set parameters to array
        String[] parameters = new String[3];
        parameters[0] = store.getString(PreferenceConstants.IP_ADDRESS);
        parameters[1] = store.getString(PreferenceConstants.TCPIP_PORT);
        parameters[2] = store.getString(PreferenceConstants.TCPIP_CHANNEL);

        // Create connection
        connection = TraceViewerGlobals.getTraceProvider().getConnectionHandler();
        connection.createConnection(PreferenceConstants.CONNECTION_TYPE_TCPIP, parameters, traceFilePath);

        // Set TCF connection as file handler
        TraceViewerGlobals.getTraceViewer().setFileHandler((TraceFileHandler) connection);

        return connection;
    }

    /**
     * Creates Serial connection
     * 
     * @param store
     *            preference store
     * @return created connection
     */
    private Connection createUsbSerialConnection(IPreferenceStore store) {
        Connection connection = null;

        // Close the old file from file handler
        TraceViewerGlobals.getTraceViewer().getFileHandler().closeFile();

        // Set parameters to array
        String[] parameters = new String[1];
        parameters[0] = store.getString(PreferenceConstants.USB_SERIAL_COM_PORT);

        // Create connection
        connection = TraceViewerGlobals.getTraceProvider().getConnectionHandler();
        connection.createConnection(PreferenceConstants.CONNECTION_TYPE_USB_SERIAL, parameters, traceFilePath);

        // Set TCF connection as file handler
        TraceViewerGlobals.getTraceViewer().setFileHandler((TraceFileHandler) connection);

        return connection;
    }
}