java.lang.Object
- htsjdk.tribble.util.HTTPHelper

All Implemented Interfaces:

URLHelper
```
public class HTTPHelper
extends Object
implements URLHelper
```
Simple implementation of URLHelper based on the JDK URL and HttpURLConnection classes. This version optionally takes a proxy, but does not support authentication.

Constructor Summary

Constructors
Constructor Description

HTTPHelper(URL url)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`exists()`
`long`	`getContentLength()`
`URL`	`getUrl()`
`InputStream`	`openInputStream()`	Open an InputStream to stream the contents of the resource
`InputStream`	`openInputStreamForRange(long start, long end)`	Open an InputStream to stream a slice (range) of the resource.
`static void`	`setProxy(Proxy p)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - HTTPHelper
```
public HTTPHelper(URL url)
```
- Method Detail
  - setProxy
```
public static void setProxy(Proxy p)
```
  - getUrl
```
public URL getUrl()
```
    Specified by:
    
    getUrl in interface URLHelper
    
    Returns:
    
    URL of the associated resource
  - getContentLength
```
public long getContentLength()
                      throws IOException
```
    Specified by:
    
    getContentLength in interface URLHelper
    
    Returns:
    
    content length of the resource, or -1 if not available
    
    Throws:
    
    IOException
  - openInputStream
```
public InputStream openInputStream()
                            throws IOException
```
    Description copied from interface: URLHelper
    
    Open an InputStream to stream the contents of the resource
    
    Specified by:
    
    openInputStream in interface URLHelper
    
    Returns:
    
    Throws:
    
    IOException
  - openInputStreamForRange
```
public InputStream openInputStreamForRange(long start,
                                           long end)
                                    throws IOException
```
    Open an InputStream to stream a slice (range) of the resource. The host server must support range byte requests and return a 206 response code (partial response). If it does not an IOException will be thrown. Its the client's responsibility to close the stream.
    
    Specified by:
    
    openInputStreamForRange in interface URLHelper
    
    Parameters:
    
    start - start of range in bytes
    
    end - end of range ni bytes
    
    Returns:
    
    Throws:
    
    IOException
  - exists
```
public boolean exists()
               throws IOException
```
    Specified by:
    
    exists in interface URLHelper
    
    Throws:
    
    IOException

Class HTTPHelper

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

HTTPHelper

Method Detail

setProxy

getUrl

getContentLength

openInputStream

openInputStreamForRange

exists