mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
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2b8200409c
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@1 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
102 lines
3.2 KiB
Java
102 lines
3.2 KiB
Java
/*
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* This file is part of JSTUN.
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*
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* Copyright (c) 2005 Thomas King <king@t-king.de> - All rights
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* reserved.
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*
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* This software is licensed under either the GNU Public License (GPL),
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* or the Apache 2.0 license. Copies of both license agreements are
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* included in this distribution.
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*/
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package de.javawi.jstun.util;
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import java.util.*;
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import java.net.*;
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public class Address {
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int firstOctet;
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int secondOctet;
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int thirdOctet;
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int fourthOctet;
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public Address(int firstOctet, int secondOctet, int thirdOctet, int fourthOctet) throws UtilityException {
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if ((firstOctet < 0) || (firstOctet > 255) || (secondOctet < 0) || (secondOctet > 255) || (thirdOctet < 0) || (thirdOctet > 255) || (fourthOctet < 0) || (fourthOctet > 255)) {
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throw new UtilityException("Address is malformed.");
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}
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this.firstOctet = firstOctet;
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this.secondOctet = secondOctet;
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this.thirdOctet = thirdOctet;
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this.fourthOctet = fourthOctet;
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}
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public Address(String address) throws UtilityException {
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StringTokenizer st = new StringTokenizer(address, ".");
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if (st.countTokens() != 4) {
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throw new UtilityException("4 octets in address string are required.");
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}
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int i = 0;
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while (st.hasMoreTokens()) {
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int temp = Integer.parseInt(st.nextToken());
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if ((temp < 0) || (temp > 255)) {
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throw new UtilityException("Address is in incorrect format.");
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}
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switch (i) {
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case 0: firstOctet = temp; ++i; break;
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case 1: secondOctet = temp; ++i; break;
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case 2: thirdOctet = temp; ++i; break;
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case 3: fourthOctet = temp; ++i; break;
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}
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}
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}
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public Address(byte[] address) throws UtilityException {
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if (address.length < 4) {
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throw new UtilityException("4 bytes are required.");
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}
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firstOctet = Utility.oneByteToInteger(address[0]);
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secondOctet = Utility.oneByteToInteger(address[1]);
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thirdOctet = Utility.oneByteToInteger(address[2]);
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fourthOctet = Utility.oneByteToInteger(address[3]);
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}
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public String toString() {
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return firstOctet + "." + secondOctet + "." + thirdOctet + "." + fourthOctet;
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}
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public byte[] getBytes() throws UtilityException {
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byte[] result = new byte[4];
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result[0] = Utility.integerToOneByte(firstOctet);
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result[1] = Utility.integerToOneByte(secondOctet);
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result[2] = Utility.integerToOneByte(thirdOctet);
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result[3] = Utility.integerToOneByte(fourthOctet);
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return result;
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}
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public InetAddress getInetAddress() throws UtilityException, UnknownHostException {
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byte[] address = new byte[4];
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address[0] = Utility.integerToOneByte(firstOctet);
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address[1] = Utility.integerToOneByte(secondOctet);
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address[2] = Utility.integerToOneByte(thirdOctet);
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address[3] = Utility.integerToOneByte(fourthOctet);
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return InetAddress.getByAddress(address);
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}
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public boolean equals(Object obj) {
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if (obj == null) return false;
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try {
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byte[] data1 = this.getBytes();
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byte[] data2 = ((Address) obj).getBytes();
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if ((data1[0] == data2[0]) && (data1[1] == data2[1]) &&
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(data1[2] == data2[2]) && (data1[3] == data2[3])) return true;
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return false;
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} catch (UtilityException ue) {
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return false;
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}
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}
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public int hashCode() {
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return (firstOctet << 24) + (secondOctet << 16) + (thirdOctet << 8) + fourthOctet;
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}
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}
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