- Replace Browser user agent detection
This commit is contained in:
Paulo Gustavo Veiga
220
wise-webapp/src/main/java/com/wisemapping/util/UserAgent.java
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220
wise-webapp/src/main/java/com/wisemapping/util/UserAgent.java
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/*
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* Copyright (c) 2008, Harald Walker (bitwalker.nl)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the
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* following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of bitwalker nor the names of its
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* contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.wisemapping.util;
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/**
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* Container class for user-agent information with operating system and browser details.
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* Can decode user-agent strings.
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* <br><br>
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* Resources:<br>
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* <a href="http://www.useragentstring.com">User Agent String.Com</a><br>
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* <a href="http://www.user-agents.org">List of User-Agents</a><br>
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* <a href="http://www.zytrax.com/tech/web/browser_ids.htm">Browser ID (User-Agent) Strings</a><br>
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* <a href="http://www.zytrax.com/tech/web/mobile_ids.html">Mobile Browser ID (User-Agent) Strings</a><br>
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* <a href="http://www.joergkrusesweb.de/internet/browser/user-agent.html">Browser-Kennungen</a><br>
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* <a href="http://deviceatlas.com/devices">Device Atlas - Mobile Device Intelligence</a><br>
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* <a href="http://mobileopera.com/reference/ua">Mobile Opera user-agent strings</a><br>
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* <a href="http://en.wikipedia.org/wiki/S60_platform">S60 platform</a><br>
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* <a href="http://msdn.microsoft.com/en-us/library/ms537503.aspx">Understanding User-Agent Strings</a><br>
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* <a href="http://developer.sonyericsson.com/site/global/docstools/browsing/p_browsing.jsp">Sony Ericsson Web Docs & Tools</a><br>
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* <a href="http://developer.apple.com/internet/safari/faq.html#anchor2">What is the Safari user-agent string</a><br>
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* <a href="http://www.pgts.com.au/pgtsj/pgtsj0208c.html">List of User Agent Strings</a><br>
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* <a href="http://blogs.msdn.com/iemobile/archive/2006/08/03/Detecting_IE_Mobile.aspx">Detecting Internet Explorer Mobile's User-Agent on the server</a>
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*/
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/**
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* @author harald
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*
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*/
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public class UserAgent
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{
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private OperatingSystem operatingSystem = OperatingSystem.UNKNOWN;
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private Browser browser = Browser.UNKNOWN;
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private int id;
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private String userAgentString;
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public UserAgent(OperatingSystem operatingSystem, Browser browser)
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{
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this.operatingSystem = operatingSystem;
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this.browser = browser;
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this.id = (( operatingSystem.getId() << 16) + browser.getId());
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}
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public UserAgent(String userAgentString)
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{
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Browser browser = Browser.parseUserAgentString(userAgentString);
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OperatingSystem operatingSystem = OperatingSystem.UNKNOWN;
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// BOTs don't have an interesting OS for us
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if (browser != Browser.BOT)
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operatingSystem = OperatingSystem.parseUserAgentString(userAgentString);
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this.operatingSystem = operatingSystem;
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this.browser = browser;
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this.id = (( operatingSystem.getId() << 16) + browser.getId());
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this.userAgentString = userAgentString;
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}
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/**
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* @param userAgentString
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* @return UserAgent
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*/
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public static UserAgent parseUserAgentString(String userAgentString) {
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return new UserAgent(userAgentString);
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}
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/**
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* Detects the detailed version information of the browser. Depends on the userAgent to be available.
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* Use it only after using UserAgent(String) or UserAgent.parseUserAgent(String).
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* Returns null if it can not detect the version information.
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* @return Version
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*/
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public Version getBrowserVersion() {
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return this.browser.getVersion(this.userAgentString);
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}
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/**
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* @return the system
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*/
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public OperatingSystem getOperatingSystem() {
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return operatingSystem;
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}
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/**
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* @return the browser
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*/
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public Browser getBrowser() {
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return browser;
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}
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/**
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* Returns an unique integer value of the operating system & browser combination
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* @return the id
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*/
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public int getId() {
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return id;
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}
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/**
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* Combined string representation of both enums
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*/
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public String toString() {
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return this.operatingSystem.toString() + "-" + this.browser.toString();
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}
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/**
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* Returns UserAgent based on specified unique id
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* @param id
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* @return
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*/
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public static UserAgent valueOf(int id)
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{
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OperatingSystem operatingSystem = OperatingSystem.valueOf((short) (id >> 16));
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Browser browser = Browser.valueOf( (short) (id & 0x0FFFF));
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return new UserAgent(operatingSystem,browser);
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}
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/**
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* Returns UserAgent based on combined string representation
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* @param name
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* @return
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*/
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public static UserAgent valueOf(String name)
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{
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if (name == null)
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throw new NullPointerException("Name is null");
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String[] elements = name.split("-");
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if (elements.length == 2)
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{
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OperatingSystem operatingSystem = OperatingSystem.valueOf(elements[0]);
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Browser browser = Browser.valueOf(elements[1]);
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return new UserAgent(operatingSystem,browser);
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}
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throw new IllegalArgumentException(
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"Invalid string for userAgent " + name);
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}
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/* (non-Javadoc)
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* @see java.lang.Object#hashCode()
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*/
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((browser == null) ? 0 : browser.hashCode());
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result = prime * result + id;
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result = prime * result
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+ ((operatingSystem == null) ? 0 : operatingSystem.hashCode());
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return result;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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final UserAgent other = (UserAgent) obj;
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if (browser == null) {
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if (other.browser != null)
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return false;
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} else if (!browser.equals(other.browser))
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return false;
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if (id != other.id)
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return false;
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if (operatingSystem == null) {
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if (other.operatingSystem != null)
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return false;
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} else if (!operatingSystem.equals(other.operatingSystem))
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return false;
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return true;
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}
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}
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