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/**
* Author: Sven Gothel <sgothel@jausoft.com>
* Copyright (c) 2020 Gothel Software e.K.
* Copyright (c) 2020 ZAFENA AB
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package org.direct_bt;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
/**
* Application toolkit providing BT device registration of processed and awaited devices.
* The latter on a pattern matching basis, i.e. EUI48Sub or name-sub.
*/
public class BTDeviceRegistry {
/**
* Specifies devices queries to act upon.
*/
public static class DeviceQuery {
public final EUI48Sub addressSub;
public final String nameSub;
public DeviceQuery(final EUI48Sub as, final String ns) {
addressSub = as;
nameSub = ns;
}
@Override
public String toString() {
if( addressSub.length>0 ) {
return addressSub.toString();
} else {
return "'"+nameSub+"'";
}
}
};
private static List<DeviceQuery> waitForDevices = new ArrayList<DeviceQuery>();
/**
* Specifies unique device identities,
* using {@link BDAddressAndType} as key.
*/
public static class DeviceID {
public final BDAddressAndType addressAndType;
public final String name;
public DeviceID(final BDAddressAndType a, final String n) {
addressAndType = a;
name = n;
}
/**
* {@inheritDoc}
* <p>
* Implementation simply tests the {@link BDAddressAndType} fields for equality,
* `name` is ignored.
* </p>
*/
@Override
public final boolean equals(final Object obj) {
if(this == obj) {
return true;
}
if (obj == null || !(obj instanceof DeviceID)) {
return false;
}
return addressAndType.equals(((DeviceID)obj).addressAndType);
}
/**
* {@inheritDoc}
* <p>
* Implementation simply returns the {@link BDAddressAndType} hash code,
* `name` is ignored.
* </p>
*/
@Override
public final int hashCode() {
return addressAndType.hashCode();
}
@Override
public String toString() {
return "["+addressAndType+", "+name+"]";
}
};
private static Collection<DeviceID> devicesInProcessing = Collections.synchronizedCollection(new HashSet<DeviceID>());
private static Collection<DeviceID> devicesProcessed = Collections.synchronizedCollection(new HashSet<DeviceID>());
public static void addToWaitForDevices(final String addrOrNameSub) {
final EUI48Sub addr1 = new EUI48Sub();
final StringBuilder errmsg = new StringBuilder();
if( EUI48Sub.scanEUI48Sub(addrOrNameSub, addr1, errmsg) ) {
waitForDevices.add( new DeviceQuery( addr1, "" ) );
} else {
addr1.clear();
waitForDevices.add( new DeviceQuery( addr1, addrOrNameSub ) );
}
}
public static boolean isWaitingForDevice(final BDAddressAndType mac, final String name) {
for(final Iterator<DeviceQuery> it=waitForDevices.iterator(); it.hasNext(); ) {
final DeviceQuery q = it.next();
if( ( q.addressSub.length>0 && mac.address.contains(q.addressSub) ) ||
( q.nameSub.length()>0 && name.indexOf(q.nameSub) >= 0 ) ) {
return true;
}
}
return false;
}
public static boolean isWaitingForAnyDevice() {
return waitForDevices.size()>0;
}
public static int getWaitForDevicesCount() {
return waitForDevices.size();
}
public static void printWaitForDevices(final PrintStream out, final String msg) {
BTUtils.println(out, msg+" "+Arrays.toString(waitForDevices.toArray()));
}
/**
* Returns the reference of the current list of {@link DeviceQuery}, not a copy.
*/
public static List<DeviceQuery> getWaitForDevices() {
return waitForDevices;
}
/**
* Clears internal list
*/
public static void clearWaitForDevices() {
waitForDevices.clear();
}
public static void addToDevicesProcessed(final BDAddressAndType a, final String n) {
devicesProcessed.add( new DeviceID(a, n) );
}
public static boolean isDeviceProcessed(final BDAddressAndType a) {
return devicesProcessed.contains( new DeviceID(a, null) );
}
public static int getDeviceProcessedCount() {
return devicesProcessed.size();
}
public static boolean allDevicesProcessed() {
for(final Iterator<DeviceQuery> it1=waitForDevices.iterator(); it1.hasNext(); ) {
final DeviceQuery q = it1.next();
final Iterator<DeviceID> it2=devicesProcessed.iterator();
while( it2.hasNext() ) {
final DeviceID id = it2.next();
if( ( q.addressSub.length>0 && id.addressAndType.address.contains(q.addressSub) ) ||
( q.nameSub.length()>0 && id.name.indexOf(q.nameSub) >= 0 ) ) {
break;
}
}
if( !it2.hasNext() ) {
return false;
}
}
return true;
}
public static void printDevicesProcessed(final PrintStream out, final String msg) {
BTUtils.println(out, msg+" "+Arrays.toString(devicesProcessed.toArray()));
}
/**
* Returns a copy of the current collection of processed {@link DeviceID}.
*/
public static List<DeviceID> getProcessedDevices() {
return new ArrayList<DeviceID>(devicesProcessed);
}
/**
* Clears internal list
*/
public static void clearProcessedDevices() {
devicesProcessed.clear();
}
public static void addToDevicesProcessing(final BDAddressAndType a, final String n) {
devicesInProcessing.add( new DeviceID(a, n) );
}
public static boolean removeFromDevicesProcessing(final BDAddressAndType a) {
return devicesInProcessing.remove( new DeviceID(a, null) );
}
public static boolean isDeviceProcessing(final BDAddressAndType a) {
return devicesInProcessing.contains( new DeviceID(a, null) );
}
public static int getDeviceProcessingCount() {
return devicesInProcessing.size();
}
/**
* Returns a copy of the current collection of processing {@link DeviceID}.
*/
public static List<DeviceID> getProcessingDevices() {
return new ArrayList<DeviceID>(devicesInProcessing);
}
/**
* Clears internal list
*/
public static void clearProcessingDevices() {
devicesInProcessing.clear();
}
}
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