blasd.apex.core.io

Class ApexURLHelper

java.lang.Object

blasd.apex.core.io.ApexURLHelper

public class ApexURLHelper
extends Object

Various utilities related to URL

Author:

Benoit Lacelle

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ApexURLHelper()

Method Summary

Modifier and Type	Method and Description
static boolean	equalsUrl(URL left, URL right) URL.equals can be slow and not return the expected result as it will relies on the resolution on the host given current JVM network configuration.
static Optional<ApexHostDescriptor>	getHost(String string)
static Optional<ApexHostDescriptor>	getHost(URL url)
static String	resolve(String baseUrl, String relUrl) Create a new absolute URL, from a provided existing absolute URL and a relative URL component.
static URL	resolve(URL base, String relUrl) Create a new absolute URL, from a provided existing absolute URL and a relative URL component.
static URL	toHttpURL(String asString)

Methods inherited from class java.lang.Object

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

Constructor Detail

ApexURLHelper

protected ApexURLHelper()

Method Detail

equalsUrl

public static boolean equalsUrl(URL left,
                                URL right)

URL.equals can be slow and not return the expected result as it will relies on the resolution on the host given current JVM network configuration. One may prefer to rely on the actual String comparison

Parameters:

left -

right -

Returns:

toHttpURL

public static URL toHttpURL(String asString)

Parameters:

asString -

Returns:

an URL associated to given String, adding the protocol "http://" by default

getHost

public static Optional<ApexHostDescriptor> getHost(URL url)

getHost

public static Optional<ApexHostDescriptor> getHost(String string)

resolve

public static String resolve(String baseUrl,
                             String relUrl)

Create a new absolute URL, from a provided existing absolute URL and a relative URL component.

Parameters:

baseUrl - the existing absolute base URL

relUrl - the relative URL to resolve. (If it's already absolute, it will be returned)

Returns:

an absolute URL if one was able to be generated, or the empty string if not

resolve

public static URL resolve(URL base,
                          String relUrl)
                   throws MalformedURLException

Create a new absolute URL, from a provided existing absolute URL and a relative URL component.

Parameters:

base - the existing absolute base URL

relUrl - the relative URL to resolve. (If it's already absolute, it will be returned)

Returns:

the resolved absolute URL

Throws:

MalformedURLException - if an error occurred generating the URL