org.apache.hadoop.dfs
Class ListPathsServlet
java.lang.Object
javax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.apache.hadoop.dfs.ListPathsServlet
- All Implemented Interfaces:
- Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig
public class ListPathsServlet
- extends javax.servlet.http.HttpServlet
Obtain meta-information about a filesystem.
- See Also:
HftpFileSystem
,
Serialized Form
Method Summary |
protected Map<String,String> |
buildRoot(javax.servlet.http.HttpServletRequest request,
org.znerd.xmlenc.XMLOutputter doc)
Build a map from the query string, setting values and defaults. |
void |
doGet(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
Service a GET request as described below. |
protected void |
writeItem(org.apache.hadoop.dfs.DFSFileInfo i,
org.znerd.xmlenc.XMLOutputter doc,
NameNode nn)
Write a node to output. |
Methods inherited from class javax.servlet.http.HttpServlet |
doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service |
Methods inherited from class javax.servlet.GenericServlet |
destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ListPathsServlet
public ListPathsServlet()
writeItem
protected void writeItem(org.apache.hadoop.dfs.DFSFileInfo i,
org.znerd.xmlenc.XMLOutputter doc,
NameNode nn)
throws IOException,
URISyntaxException
- Write a node to output.
Dir: path, modification
File: path, size, replication, blocksize, and modification
- Throws:
IOException
URISyntaxException
buildRoot
protected Map<String,String> buildRoot(javax.servlet.http.HttpServletRequest request,
org.znerd.xmlenc.XMLOutputter doc)
- Build a map from the query string, setting values and defaults.
doGet
public void doGet(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
throws javax.servlet.ServletException,
IOException
- Service a GET request as described below.
Request:
GET http://<nn>:<port>/listPaths[/<path>][<?option>[&option]*] HTTP/1.1
Where option (default) in:
recursive ("no")
filter (".*")
exclude ("\..*\.crc")
Response: A flat list of files/directories in the following format:
<listing path="..." recursive="(yes|no)" filter="..."
time="yyyy-MM-dd hh:mm:ss UTC" version="...">
<directory path="..." modified="yyyy-MM-dd hh:mm:ss"/>
<file path="..." modified="yyyy-MM-dd'T'hh:mm:ssZ" blocksize="..."
replication="..." size="..."/>
</listing>
- Overrides:
doGet
in class javax.servlet.http.HttpServlet
- Throws:
javax.servlet.ServletException
IOException
Copyright © 2006 The Apache Software Foundation