RIMImplementation.java

/*
 * Copyright (c) 2008, 2010, 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.
 */
package com.sun.lwuit.io.impl;

import com.sun.lwuit.io.NetworkManager;
import java.io.IOException;
import java.util.Vector;
import net.rim.device.api.servicebook.ServiceBook;
import net.rim.device.api.servicebook.ServiceRecord;

/**
 * Implementation targeting RIM devices to support their IAP and elaborate network
 * picking policy described 
 *
 * @author Shai Almog
 */
public class RIMImplementation extends MIDPImpl {
    private String currentAccessPoint;
    private boolean deviceSide;

    /**
     * @inheritDoc
     */
    public boolean isAPSupported() {
        return true;
    }

    private Vector getValidSBEntries() {
        Vector v = new Vector();
        ServiceBook bk = ServiceBook.getSB();
        ServiceRecord[] recs = bk.getRecords();
        for(int iter = 0 ; iter < recs.length ; iter++) {
            ServiceRecord sr = recs[iter];
            if (sr.isValid() && !sr.isDisabled() && sr.getUid() != null
                        && sr.getUid().length() != 0) {
                v.addElement(sr);
            }
        }
        return v;
    }

    /**
     * @inheritDoc
     */
    public String[] getAPIds() {
        Vector v = getValidSBEntries();
        String[] s = new String[v.size()];
        for (int iter = 0; iter < s.length ; iter++) {
            s[iter] = "" + ((ServiceRecord)v.elementAt(iter)).getUid();
        }
        return s;
    }

    /**
     * @inheritDoc
     */
    public int getAPType(String id) {
        Vector v = getValidSBEntries();
        for (int iter = 0; iter < v.size(); iter++) {
            ServiceRecord r = (ServiceRecord)v.elementAt(iter);
            if(("" + r.getUid()).equals(id)) {
                if(r.getUid().toLowerCase().indexOf("wifi") > -1) {
                    return NetworkManager.ACCESS_POINT_TYPE_WLAN;
                }
                // wap2
                if(r.getCid().toLowerCase().indexOf("wptcp") > -1) {
                    return NetworkManager.ACCESS_POINT_TYPE_NETWORK3G;
                }
                return NetworkManager.ACCESS_POINT_TYPE_UNKNOWN;
            }
        }
        return NetworkManager.ACCESS_POINT_TYPE_UNKNOWN;
    }

    /**
     * @inheritDoc
     */
    public String getAPName(String id) {
        Vector v = getValidSBEntries();
        for (int iter = 0; iter < v.size() ; iter++) {
            ServiceRecord r = (ServiceRecord)v.elementAt(iter);
            if(("" + r.getUid()).equals(id)) {
                return r.getName();
            }
        }
        return null;
    }

    /**
     * @inheritDoc
     */
    public String getCurrentAccessPoint() {
        if(currentAccessPoint != null) {
            return currentAccessPoint;
        }
        return null;
    }

    /**
     * @inheritDoc
     */
    public void setCurrentAccessPoint(String id) {
        currentAccessPoint = id;
        int t = getAPType(id);
        deviceSide = t == NetworkManager.ACCESS_POINT_TYPE_NETWORK3G || t == NetworkManager.ACCESS_POINT_TYPE_WLAN;
    }

    /**
     * @inheritDoc
     */
    public Object connect(String url, boolean read, boolean write) throws IOException {
        if(currentAccessPoint != null) {
            url += ";ConnectionUID=" + currentAccessPoint;
            if(deviceSide) {
                url += ";deviceside=true";
            }
        }
        return super.connect(url, read, write);
    }
}