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- Fix java.lang.NullPointerException
at com.wisemapping.util.Browser.isInUserAgentString(Browser.java:267)
at com.wisemapping.util.Browser.checkUserAgent(Browser.java:2 issue.
This commit is contained in:
Paulo Gustavo Veiga
parent
f8cb849597
commit
6555203a94
@ -57,164 +57,169 @@ package com.wisemapping.util;
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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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import org.jetbrains.annotations.Nullable;
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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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public class UserAgent {
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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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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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/**
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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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public UserAgent(OperatingSystem operatingSystem, Browser browser) {
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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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/**
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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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public UserAgent(@Nullable String userAgentString) {
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if (userAgentString != null) {
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Browser browser = Browser.parseUserAgentString(userAgentString);
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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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OperatingSystem operatingSystem = OperatingSystem.UNKNOWN;
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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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// 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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} else {
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this.operatingSystem = OperatingSystem.UNKNOWN;
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this.browser = Browser.UNKNOWN;
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}
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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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*
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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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*
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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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*
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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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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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*
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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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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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String[] elements = name.split("-");
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if (elements.length == 2) {
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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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/* (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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