org.japtproxy.fetcher
Class FetcherHttp

java.lang.Object
  org.japtproxy.fetcher.FetcherHttp

All Implemented Interfaces:

Fetcher

public class FetcherHttp
extends java.lang.Object
implements Fetcher

The FetcherHttp is responsible for fetching files from http resources.

Version:

$LastChangedRevision:79 $

Author:

Oliver J. Siegmar

Constructor Summary

FetcherHttp()

Method Summary

protected org.apache.commons.httpclient.Credentials	buildCredentials(java.lang.String userInfo)
protected org.apache.commons.httpclient.Credentials	buildNTCredentials(java.lang.String userPart, java.lang.String password)
protected void	configureProxy(org.apache.commons.httpclient.HostConfiguration hostConfiguration, java.lang.String proxy)
FetchedResourceHttp	fetch(java.net.URL targetResource, long lastModified) Fetches an external resource.
void	init() Initialize the FetcherHttp fetcher.
void	setConfiguration(Configuration configuration)
void	setConnectionTimeout(int connectionTimeout)
void	setHttpClient(org.apache.commons.httpclient.HttpClient httpClient)
void	setSocketTimeout(int socketTimeout)

Methods inherited from class java.lang.Object

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

Constructor Detail

FetcherHttp

public FetcherHttp()

Method Detail

setConfiguration

public void setConfiguration(Configuration configuration)

setHttpClient

public void setHttpClient(org.apache.commons.httpclient.HttpClient httpClient)

setSocketTimeout

public void setSocketTimeout(int socketTimeout)

setConnectionTimeout

public void setConnectionTimeout(int connectionTimeout)

init

@PostConstruct
public void init()
          throws InitializationException

Initialize the FetcherHttp fetcher.

Parameters:

configuration - the configuration used to initialize.

Throws:

InitializationException - is thrown if the initialization goes wrong.

configureProxy

protected void configureProxy(org.apache.commons.httpclient.HostConfiguration hostConfiguration,
                              java.lang.String proxy)
                       throws InitializationException

Throws:

InitializationException

buildCredentials

protected org.apache.commons.httpclient.Credentials buildCredentials(java.lang.String userInfo)
                                                              throws InitializationException

Throws:

InitializationException

buildNTCredentials

protected org.apache.commons.httpclient.Credentials buildNTCredentials(java.lang.String userPart,
                                                                       java.lang.String password)
                                                                throws InitializationException

Throws:

InitializationException

fetch

public FetchedResourceHttp fetch(java.net.URL targetResource,
                                 long lastModified)
                          throws java.io.IOException,
                                 ResourceUnavailableException

Fetches an external resource.

Specified by:

fetch in interface Fetcher

Parameters:

targetResource - the resource to fetch.

lastModified - the lastModified timestamp of the local object.

Returns:

the fetched resource.

Throws:

java.io.IOException - is thrown if the fetch fails.

ResourceUnavailableException - is thrown if the resource was not found.