/*
* Copyright (c) 2012 Alexander Diener,
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* This program 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 for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package de.fhkn.in.uce.directconnection;
import java.util.Collections;
import java.util.Set;
import net.jcip.annotations.Immutable;
import de.fhkn.in.uce.directconnection.message.DirectconnectionAttribute;
import de.fhkn.in.uce.plugininterface.NATSituation;
import de.fhkn.in.uce.plugininterface.NATTraversalTechniqueMetaData;
import de.fhkn.in.uce.plugininterface.message.NATTraversalTechniqueAttribute;
import de.fhkn.in.uce.plugininterface.util.NATTraversalTechniqueUtil;
/**
* Implementation of {@link NATTraversalTechniqueMetaData} for
* {@link Directconnection}.
*
* @author Alexander Diener (aldiener@htwg-konstanz.de)
*
*/
@Immutable
public final class DirectconnectionMetaData implements NATTraversalTechniqueMetaData {
private static final String RESOURCE_TRAVERSALED_SITUATIONS = "de/fhkn/in/uce/directconnection/traversaledNATSituations"; //$NON-NLS-1$
private final String name = "DirectConnection"; //$NON-NLS-1$
private final String version = "1.0"; //$NON-NLS-1$
private final int connectionSetupTime = 3;
private final int timoutInSeconds = 15;
private final Set<NATSituation> traversaledNATSituations;
private final NATTraversalTechniqueUtil util = NATTraversalTechniqueUtil.getInstance();
public DirectconnectionMetaData() throws Exception {
this.traversaledNATSituations = Collections.unmodifiableSet(this.util
.parseNATSituations(RESOURCE_TRAVERSALED_SITUATIONS));
}
public DirectconnectionMetaData(final DirectconnectionMetaData toCopy) {
this.traversaledNATSituations = toCopy.traversaledNATSituations;
}
@Override
public String getTraversalTechniqueName() {
return this.name;
}
@Override
public String getVersion() {
return this.version;
}
@Override
public int getMaxConnectionSetupTime() {
return this.connectionSetupTime;
}
@Override
public boolean providesDirectConnection() {
return true;
}
@Override
public Set<NATSituation> getTraversaledNATSituations() {
return Collections.unmodifiableSet(this.traversaledNATSituations);
}
@Override
public long getTimeout() {
return this.timoutInSeconds * 1000L;
}
@Override
public NATTraversalTechniqueAttribute getAttribute() {
return new DirectconnectionAttribute();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = (prime * result) + connectionSetupTime;
result = (prime * result) + ((name == null) ? 0 : name.hashCode());
result = (prime * result) + timoutInSeconds;
result = (prime * result) + ((version == null) ? 0 : version.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
DirectconnectionMetaData other = (DirectconnectionMetaData) obj;
if (connectionSetupTime != other.connectionSetupTime) {
return false;
}
if (name == null) {
if (other.name != null) {
return false;
}
} else if (!name.equals(other.name)) {
return false;
}
if (timoutInSeconds != other.timoutInSeconds) {
return false;
}
if (version == null) {
if (other.version != null) {
return false;
}
} else if (!version.equals(other.version)) {
return false;
}
return true;
}
}