org.deegree.framework.util
Class NetWorker

java.lang.Object
  org.deegree.framework.util.NetWorker

public class NetWorker
extends Object

Performs a HTTP request using the service URL submitted to the constructor

Version:

$Revision: 18195 $

Author:

Andreas Poth

Constructor Summary

NetWorker(String encoding, URL url)
constructor for initializing a HTTP GET connection with a user defined encoding

NetWorker(String encoding, URL url, String request)
constructor for initializing a HTTP POST connection with a user defined encoding

NetWorker(URL url)
constructor for initializing a HTTP GET connection with with default character encoding

NetWorker(URL url, String request)
constructor for initializing a HTTP POST connection with UTF-8 as character encoding

Method Summary

static boolean	existsURL(URL url)
String	getContentType()
byte[]	getDataAsByteArr(int expectedDataSize) performs the request and returns the result as a byte array.
InputStream	getInputStream() returns an InputStream from the et resource
void	sendRequest() sends the request that have been passed to the constructor without expecting to receive a response.
static String	url2String(URL url) Returns the original form of a URL as as String.

Methods inherited from class java.lang.Object

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

Constructor Detail

NetWorker

public NetWorker(URL url)

constructor for initializing a HTTP GET connection with with default character encoding

Parameters:

url - URL to the net resource containing the URI

NetWorker

public NetWorker(String encoding,
                 URL url)

constructor for initializing a HTTP GET connection with a user defined encoding

Parameters:

encoding - desired character encoding

url - URL to the net resource containing the URI

NetWorker

public NetWorker(URL url,
                 String request)

constructor for initializing a HTTP POST connection with UTF-8 as character encoding

Parameters:

url - URL to the net resource (without URI parameters)

request - request that shall be posted to the net resource

NetWorker

public NetWorker(String encoding,
                 URL url,
                 String request)

constructor for initializing a HTTP POST connection with a user defined encoding

Parameters:

encoding - desired character encoding

url - URL to the net resource (without URI parameters)

request - request that shall be posted to the net resource

Method Detail

getContentType

public String getContentType()

Returns:

the content type of the response from the connected net resource. this method shall be called after getInputStream or getDataAsByteArr has been called.

sendRequest

public void sendRequest()
                 throws IOException

sends the request that have been passed to the constructor without expecting to receive a response.

Throws:

IOException

getInputStream

public InputStream getInputStream()
                           throws IOException

returns an InputStream from the et resource

Returns:

InputStream accessing the net resource

Throws:

IOException

getDataAsByteArr

public byte[] getDataAsByteArr(int expectedDataSize)
                        throws IOException

performs the request and returns the result as a byte array.

Parameters:

expectedDataSize - size a the data in bytes expected to be returned from the net resource. this value will be replaced if the resource is able to return the available data size.

Returns:

a byte array containing the content of the net resource

Throws:

IOException

url2String

public static String url2String(URL url)

Returns the original form of a URL as as String. Handles local filenames correctly, C:/foo is formatted as file:///C:/foo (and not as file:/C:/foo as returned by the toString () method of the object.

Parameters:

url - URL to be converted

Returns:

String representation of the given URL

existsURL

public static boolean existsURL(URL url)

Parameters:

url -

Returns:

true if a connection to the submitted URL can be opend