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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.net;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ProtocolException;
import java.util.HashSet;
/**
* Identity of a {@code iface}, defined by the set of {@link NetworkIdentity}
* active on that interface.
*
* @hide
*/
public class InterfaceIdentity extends HashSet<NetworkIdentity> {
private static final int VERSION_CURRENT = 1;
public InterfaceIdentity() {
}
public InterfaceIdentity(DataInputStream in) throws IOException {
final int version = in.readInt();
switch (version) {
case VERSION_CURRENT: {
final int size = in.readInt();
for (int i = 0; i < size; i++) {
add(new NetworkIdentity(in));
}
break;
}
default: {
throw new ProtocolException("unexpected version: " + version);
}
}
}
public void writeToStream(DataOutputStream out) throws IOException {
out.writeInt(VERSION_CURRENT);
out.writeInt(size());
for (NetworkIdentity ident : this) {
ident.writeToStream(out);
}
}
/**
* Test if any {@link NetworkIdentity} on this interface matches the given
* template and IMEI.
*/
public boolean matchesTemplate(int networkTemplate, String subscriberId) {
for (NetworkIdentity ident : this) {
if (ident.matchesTemplate(networkTemplate, subscriberId)) {
return true;
}
}
return false;
}
}
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