forked from mirrors/linphone-iphone
2b8200409c
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@1 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
104 lines
3.5 KiB
Java
104 lines
3.5 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.attribute;
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import de.javawi.jstun.util.Utility;
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import de.javawi.jstun.util.UtilityException;
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public class ErrorCode extends MessageAttribute {
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/*
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* 0 1 2 3
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* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | 0 |Class| Number |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Reason Phrase (variable) ..
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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int responseCode;
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String reason;
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public ErrorCode() {
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super(MessageAttribute.MessageAttributeType.ErrorCode);
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}
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public void setResponseCode(int responseCode) throws MessageAttributeException {
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switch (responseCode) {
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case 400: reason = "Bad Request"; break;
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case 401: reason = "Unauthorized"; break;
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case 420: reason = "Unkown Attribute"; break;
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case 430: reason = "Stale Credentials"; break;
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case 431: reason = "Integrity Check Failure"; break;
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case 432: reason = "Missing Username"; break;
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case 433: reason = "Use TLS"; break;
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case 500: reason = "Server Error"; break;
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case 600: reason = "Global Failure"; break;
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default: throw new MessageAttributeException("Response Code is not valid");
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}
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this.responseCode = responseCode;
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}
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public int getResponseCode() {
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return responseCode;
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}
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public String getReason() {
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return reason;
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}
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public byte[] getBytes() throws UtilityException {
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int length = reason.length();
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// length adjustment
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if ((length % 4) != 0) {
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length += 4 - (length % 4);
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}
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// message attribute header
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length += 4;
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byte[] result = new byte[length];
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// message attribute header
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// type
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System.arraycopy(Utility.integerToTwoBytes(typeToInteger(type)), 0, result, 0, 2);
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// length
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System.arraycopy(Utility.integerToTwoBytes(length-4), 0, result, 2, 2);
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// error code header
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int classHeader = (int) Math.floor(((double)responseCode)/100);
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result[6] = Utility.integerToOneByte(classHeader);
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result[7] = Utility.integerToOneByte(responseCode%100);
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byte[] reasonArray = reason.getBytes();
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System.arraycopy(reasonArray, 0, result, 8, reasonArray.length);
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return result;
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}
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public static ErrorCode parse(byte[] data) throws MessageAttributeParsingException {
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try {
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if (data.length < 4) {
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throw new MessageAttributeParsingException("Data array too short");
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}
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byte classHeaderByte = data[3];
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int classHeader = Utility.oneByteToInteger(classHeaderByte);
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if ((classHeader < 1) || (classHeader > 6)) throw new MessageAttributeParsingException("Class parsing error");
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byte numberByte = data[4];
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int number = Utility.oneByteToInteger(numberByte);
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if ((number < 0) || (number > 99)) throw new MessageAttributeParsingException("Number parsing error");
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int responseCode = (classHeader * 100) + number;
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ErrorCode result = new ErrorCode();
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result.setResponseCode(responseCode);
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return result;
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} catch (UtilityException ue) {
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throw new MessageAttributeParsingException("Parsing error");
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} catch (MessageAttributeException mae) {
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throw new MessageAttributeParsingException("Parsing error");
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}
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}
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}
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