mServer.crawler.sender.phoenix

Class UrlUtils

java.lang.Object

mServer.crawler.sender.phoenix.UrlUtils

public final class UrlUtils
extends java.lang.Object

A util class to collect useful URL related methods.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	addDomainIfMissing(java.lang.String aUrl, java.lang.String aDomain) adds the domain if missing.
static java.lang.String	addProtocolIfMissing(java.lang.String aUrl, java.lang.String aProtocol) adds the protocol if missing.
static java.lang.String	changeOrAddParameter(java.lang.String aUrl, java.lang.String aParameter, java.lang.String aValue) Changes or adds an URL parameter.
static boolean	existsUrl(java.lang.String aUrl) checks whether an url exists.
static java.lang.String	getBaseUrl(java.lang.String aUrl) returns the base of the url example: https://www.myurl.de:778/some/resource => https://www.myurl.de:778
static java.util.Optional<java.lang.String>	getFileName(java.lang.String aUrl) returns the file name of the url.
static java.util.Optional<java.lang.String>	getFileType(java.lang.String aUrl) returns the file type of the url.
static java.util.Optional<java.lang.String>	getProtocol(java.lang.String aUrl) returns the protocol of the url.
static java.util.Optional<java.lang.String>	getUrlParameterValue(java.lang.String aUrl, java.lang.String aParameterName) returns the value of an url parameter.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

addDomainIfMissing

public static java.lang.String addDomainIfMissing(java.lang.String aUrl,
                                                  java.lang.String aDomain)

adds the domain if missing.

Parameters:

aUrl - the url to check

aDomain - the domain to add

Returns:

the url including the domain

addProtocolIfMissing

public static java.lang.String addProtocolIfMissing(java.lang.String aUrl,
                                                    java.lang.String aProtocol)

adds the protocol if missing.

Parameters:

aUrl - the url to check

aProtocol - the protocol to add

Returns:

the url including the protocol

changeOrAddParameter

public static java.lang.String changeOrAddParameter(java.lang.String aUrl,
                                                    java.lang.String aParameter,
                                                    java.lang.String aValue)

Changes or adds an URL parameter.

Parameters:

aUrl - The URL which parameter should be changed or gets the parameter added.

aParameter - The parameter which should be changed or added.

aValue - The parameter value.

Returns:

The changed URL.

existsUrl

public static boolean existsUrl(java.lang.String aUrl)

checks whether an url exists. uses head request to check.

Parameters:

aUrl - the url to check

Returns:

true if url exists else false.

getBaseUrl

public static java.lang.String getBaseUrl(java.lang.String aUrl)

returns the base of the url example: https://www.myurl.de:778/some/resource => https://www.myurl.de:778

Parameters:

aUrl - the url

Returns:

the base of the url

getFileName

public static java.util.Optional<java.lang.String> getFileName(java.lang.String aUrl)

returns the file name of the url.

Parameters:

aUrl - the url

Returns:

the name of the file

getFileType

public static java.util.Optional<java.lang.String> getFileType(java.lang.String aUrl)

returns the file type of the url.

Parameters:

aUrl - the url

Returns:

the type of the file

getProtocol

public static java.util.Optional<java.lang.String> getProtocol(java.lang.String aUrl)

returns the protocol of the url.

Parameters:

aUrl - the url

Returns:

the protocol of the url (e.g. "http:")

getUrlParameterValue

public static java.util.Optional<java.lang.String> getUrlParameterValue(java.lang.String aUrl,
                                                                        java.lang.String aParameterName)
                                                                 throws UrlParseException

returns the value of an url parameter.

Parameters:

aUrl - the url

aParameterName - the name of the url parameter

Returns:

the parameter value

Throws:

UrlParseException