Package net.sf.basedb.util

Class HttpUtil

java.lang.Object

net.sf.basedb.util.HttpUtil

public class HttpUtil
extends Object

Useful methods related to HTTP stuff in general and Apache HTTP components in particular.

Since:

2.16

Author:

Nicklas

Last modified

$Date$

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.apache.commons.lang3.time.FastDateFormat	HTTP_DATE_FORMAT
private static nl.basjes.parse.useragent.UserAgentAnalyzer	userAgentAnalyzer

Constructor Summary

Constructors

Constructor	Description
HttpUtil()

Method Summary

Modifier and Type	Method	Description
static nl.basjes.parse.useragent.UserAgent	analyzeUserAgent(String userAgent)	Parse the User-Agent string from a HTTP request and return information about what it actually means.
static long	getContentLength(org.apache.http.HttpResponse response)	Get the content length from the headers in the response.
static String	getContentType(org.apache.http.HttpResponse response)	Get the content type of the content from the headers in the response.
static Date	getDate(org.apache.http.HttpResponse response, String header, Date defaultValue)
static Date	getLastModified(org.apache.http.HttpResponse response)	Get the date the content was last modified from the headers in the response.
static Long	getLong(org.apache.http.HttpResponse response, String header, Long defaultValue)
static String	getString(org.apache.http.HttpResponse response, String header, String defaultValue)
static String	getSummaryOfUserAgent(String userAgent)	Get a summary of the user agent: Browser with major version Operating system with version Typy of device (eg. desktop, phone, etc.)
static void	shutdown(org.apache.http.impl.client.CloseableHttpClient client)	Safely shuts down a http client and it's connection manager without trowing an exception.

Methods inherited from class java.lang.Object

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

Field Details

HTTP_DATE_FORMAT

private static final org.apache.commons.lang3.time.FastDateFormat HTTP_DATE_FORMAT

userAgentAnalyzer

private static nl.basjes.parse.useragent.UserAgentAnalyzer userAgentAnalyzer

Constructor Details

HttpUtil

public HttpUtil()

Method Details

getContentLength

public static long getContentLength(org.apache.http.HttpResponse response)

Get the content length from the headers in the response.

Parameters:

response - The response from a HTTP request

Returns:

The value of the "Content-Length" header or -1 if not present if it is unparsable

getLastModified

public static Date getLastModified(org.apache.http.HttpResponse response)

Get the date the content was last modified from the headers in the response.

Parameters:

response - The response from a HTTP request

Returns:

The value of the "Last-Modified" header or null if not present if it is unparsable

getContentType

public static String getContentType(org.apache.http.HttpResponse response)

Get the content type of the content from the headers in the response.

Parameters:

response - The response from a HTTP request

Returns:

The value of the "Content-Type" header or null if not present if it is unparsable

getString

public static String getString(org.apache.http.HttpResponse response,
 String header,
 String defaultValue)

getLong

public static Long getLong(org.apache.http.HttpResponse response,
 String header,
 Long defaultValue)

getDate

public static Date getDate(org.apache.http.HttpResponse response,
 String header,
 Date defaultValue)

shutdown

public static void shutdown(org.apache.http.impl.client.CloseableHttpClient client)

Safely shuts down a http client and it's connection manager without trowing an exception. Useful to use in try-catch-finally clauses.

analyzeUserAgent

public static nl.basjes.parse.useragent.UserAgent analyzeUserAgent(String userAgent)

Parse the User-Agent string from a HTTP request and return information about what it actually means.

Since:

3.12

See Also:

• https://github.com/nielsbasjes/yauaa

getSummaryOfUserAgent

public static String getSummaryOfUserAgent(String userAgent)

Get a summary of the user agent: Browser with major version Operating system with version Typy of device (eg. desktop, phone, etc.)

Since:

3.12