HTTPRetriever (NASA WorldWind)

java.lang.Object
- gov.nasa.worldwind.avlist.AVListImpl
- - gov.nasa.worldwind.WWObjectImpl
  - - gov.nasa.worldwind.retrieve.URLRetriever
    - - gov.nasa.worldwind.retrieve.HTTPRetriever

All Implemented Interfaces:

AVList, MessageListener, Retriever, WWObject, java.beans.PropertyChangeListener, java.util.concurrent.Callable<Retriever>, java.util.EventListener
```
public class HTTPRetriever
extends URLRetriever
```

Field Summary
- Fields inherited from class gov.nasa.worldwind.retrieve.URLRetriever
  beginTime, byteBuffer, connection, connectTimeout, contentLength, contentLengthRead, contentType, endTime, expiration, EXTRACT_ZIP_ENTRY, postProcessor, readTimeout, staleRequestLimit, state, submitTime, url
- Fields inherited from interface gov.nasa.worldwind.retrieve.Retriever
  RETRIEVER_STATE_CONNECTING, RETRIEVER_STATE_ERROR, RETRIEVER_STATE_INTERRUPTED, RETRIEVER_STATE_NOT_STARTED, RETRIEVER_STATE_READING, RETRIEVER_STATE_STARTED, RETRIEVER_STATE_SUCCESSFUL

Constructor Summary

Constructors
Constructor Description

HTTPRetriever(java.net.URL url, RetrievalPostProcessor postProcessor)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.nio.ByteBuffer`	`doRead(java.net.URLConnection connection)`
`int`	`getResponseCode()`
`java.lang.String`	`getResponseMessage()`

Methods inherited from class gov.nasa.worldwind.retrieve.URLRetriever
call, configureSSLContext, createRetriever, end, equals, getBeginTime, getBuffer, getConnection, getConnectTimeout, getContentLength, getContentLengthRead, getContentType, getEndTime, getExpiration, getExpirationTime, getName, getPostProcessor, getReadTimeout, getStaleRequestLimit, getState, getSubmitTime, getUrl, getURL, hashCode, interrupted, openConnection, read, readNonSpecificStream, readNonSpecificStreamUnknownLength, readZipStream, setBeginTime, setConnectTimeout, setContentLengthRead, setEndTime, setReadTimeout, setStaleRequestLimit, setState, setSubmitTime, toString

Methods inherited from class gov.nasa.worldwind.WWObjectImpl
onMessage, propertyChange

Methods inherited from class gov.nasa.worldwind.avlist.AVListImpl
addPropertyChangeListener, addPropertyChangeListener, clearList, copy, firePropertyChange, firePropertyChange, getBooleanValue, getBooleanValue, getChangeSupport, getDoubleValue, getDoubleValue, getEntries, getIntegerValue, getIntegerValue, getLongValue, getLongValue, getRestorableStateForAVPair, getStringValue, getStringValue, getStringValue, getValue, getValues, hasKey, removeKey, removePropertyChangeListener, removePropertyChangeListener, setValue, setValues

Methods inherited from class java.lang.Object
clone, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface gov.nasa.worldwind.avlist.AVList
addPropertyChangeListener, addPropertyChangeListener, clearList, copy, firePropertyChange, firePropertyChange, getEntries, getStringValue, getValue, getValues, hasKey, removeKey, removePropertyChangeListener, removePropertyChangeListener, setValue, setValues

Methods inherited from interface gov.nasa.worldwind.event.MessageListener
onMessage

Methods inherited from interface java.beans.PropertyChangeListener
propertyChange

- Constructor Detail
  - HTTPRetriever
```
public HTTPRetriever(java.net.URL url,
                     RetrievalPostProcessor postProcessor)
```
- Method Detail
  - getResponseCode
```
public int getResponseCode()
```
  - getResponseMessage
```
public java.lang.String getResponseMessage()
```
  - doRead
```
protected java.nio.ByteBuffer doRead(java.net.URLConnection connection)
                              throws java.lang.Exception
```
    Overrides:
    
    doRead in class URLRetriever
    
    Parameters:
    
    connection - the connection to read from.
    
    Returns:
    
    a buffer containing the content read from the connection
    
    Throws:
    
    java.lang.Exception - if connection is null or an exception occurs during reading.
    
    java.lang.IllegalArgumentException - if connection is null