Examples of opendap.dap.http.HTTPMethod

opendap.dap.http.HTTPMethod

    // have to do dods first
    ServiceType result = checkIfDods(session,location);
    if (result != null)
      return result;


    HTTPMethod method = null;
    try {
      method = session.newMethodHead(location);
      int statusCode = method.execute();
      if (statusCode >= 300) {
        if (statusCode == 401)
          throw new IOException("Unauthorized to open dataset " + location);
        else
          throw new IOException(location + " is not a valid URL, return status=" + statusCode);
      }


      Header h = method.getResponseHeader("Content-Description");
      if ((h != null) && (h.getValue() != null)) {
        String v = h.getValue();
        if (v.equalsIgnoreCase("ncstream"))
          return ServiceType.CdmRemote;
      }

View Full Code Here

    }
  }


  // not sure what other opendap servers do, so fall back on check for dds
  static private ServiceType checkIfDods(HTTPSession session, String location) throws IOException {
    HTTPMethod method = null;
    // Strip off any trailing constraints
    if(location.indexOf('?') >= 0) {
        location = location.substring(0,location.indexOf('?'));
    }
    // Strip off any trailing .dds, .das, or .dods
    if(location.endsWith(".dds"))
        location = location.substring(0,location.length()-".dds".length());
    if(location.endsWith(".das"))
      location = location.substring(0,location.length()-".das".length());
    if(location.endsWith(".dods"))
      location = location.substring(0,location.length()-".dods".length());
    // Must encode the URL before sending
    location = EscapeStrings.escapeURL(location);
    try {
      // For some reason, the head method is not using credentials
      // method = session.newMethodHead(location + ".dds");
      method = session.newMethodGet(location + ".dds");


      int status = method.execute();
      if (status == 200) {
        Header h = method.getResponseHeader("Content-Description");
        if ((h != null) && (h.getValue() != null)) {
          String v = h.getValue();
          if (v.equalsIgnoreCase("dods-dds") || v.equalsIgnoreCase("dods_dds"))
            return ServiceType.OPENDAP;
          else
            throw new IOException("OPeNDAP Server Error= " + method.getResponseAsString());
        }
      }
      if (status == 401)
        throw new IOException("Unauthorized to open dataset " + location);


      // not dods
      return null;


    } finally {
      if (method != null) method.close();
    }
  }

View Full Code Here

  public static String getContentAsString(HTTPSession session, String urlString) throws IOException {
    HTTPSession useSession = session;
    try {
      if (useSession == null)
        useSession = new HTTPSession();
      HTTPMethod m = useSession.newMethodGet(urlString);
      m.execute();
      return m.getResponseAsString();
    } finally {
      if ((session == null) && (useSession != null))
        useSession.close();
    }
  }

View Full Code Here

    HTTPSession session = null;


    try {


      session = new HTTPSession();
      HTTPMethod m = session.newMethodPut(urlString);


      m.setRequestContentAsString(content);


      m.execute();


      int resultCode = m.getStatusCode();


      // followRedirect wont work for PUT
      if (resultCode == 302) {
        String redirectLocation;
        Header locationHeader = m.getResponseHeader("location");
        if (locationHeader != null) {
          redirectLocation = locationHeader.getValue();
          resultCode = putContent(redirectLocation, content);
        }
      }

View Full Code Here

    HTTPSession useSession = session;
    try {
      if (useSession == null)
        useSession = new HTTPSession();


      HTTPMethod m = useSession.newMethodGet(urlString);
      m.setFollowRedirects(true);
      m.setRequestHeader("Accept-Encoding", "gzip,deflate");


      int status = m.execute();
      if (status != 200) {
        throw new RuntimeException("failed status = " + status);
      }


      String charset = m.getResponseCharSet();
      if (charset == null) charset = "UTF-8";


      // check for deflate and gzip compression
      Header h = m.getResponseHeader("content-encoding");
      String encoding = (h == null) ? null : h.getValue();


      if (encoding != null && encoding.equals("deflate")) {
        byte[] body = m.getResponseAsBytes();
        InputStream is = new BufferedInputStream(new InflaterInputStream(new ByteArrayInputStream(body)), 10000);
        return readContents(is, charset, maxKbytes);


      } else if (encoding != null && encoding.equals("gzip")) {
        byte[] body = m.getResponseAsBytes();
        InputStream is = new BufferedInputStream(new GZIPInputStream(new ByteArrayInputStream(body)), 10000);
        return readContents(is, charset, maxKbytes);


      } else {
        byte[] body = m.getResponseAsBytes(maxKbytes * 1000);
        return new String(body, charset);
      }


    } catch (Exception e) {
      e.printStackTrace();

View Full Code Here

    HTTPSession useSession = session;
    try {
      if (useSession == null)
        useSession = new HTTPSession();


      HTTPMethod m = useSession.newMethodGet(urlString);
      m.setRequestHeader("Accept-Encoding", "gzip,deflate");


      int status = m.execute();


      if (status != 200) {
        throw new RuntimeException("failed status = " + status);
      }


      String charset = m.getResponseCharSet();
      if (charset == null) charset = "UTF-8";


      // check for deflate and gzip compression
      Header h = m.getResponseHeader("content-encoding");
      String encoding = (h == null) ? null : h.getValue();


      if (encoding != null && encoding.equals("deflate")) {
        InputStream is = new BufferedInputStream(new InflaterInputStream(m.getResponseAsStream()), 10000);
        IO.writeToFile(is, file.getPath());


      } else if (encoding != null && encoding.equals("gzip")) {
        InputStream is = new BufferedInputStream(new GZIPInputStream(m.getResponseAsStream()), 10000);
        IO.writeToFile(is, file.getPath());


      } else {
        IO.writeToFile(m.getResponseAsStream(), file.getPath());
      }


    } catch (Exception e) {
      e.printStackTrace();

View Full Code Here


    try {
      if (useSession == null)
        useSession = new HTTPSession();


      HTTPMethod m = useSession.newMethodGet(urlString);
      m.setRequestHeader("Accept-Encoding", "gzip,deflate");
      m.setRequestHeader("Range", "bytes=" + start + "-" + end);


      int status = m.execute();
      if ((status != 200) && (status != 206)) {
        throw new RuntimeException("failed status = " + status);
      }


      String charset = m.getResponseCharSet();
      if (charset == null) charset = "UTF-8";


      // check for deflate and gzip compression
      Header h = m.getResponseHeader("content-encoding");
      String encoding = (h == null) ? null : h.getValue();


      if (encoding != null && encoding.equals("deflate")) {
        InputStream is = new BufferedInputStream(new InflaterInputStream(m.getResponseAsStream()), 10000);
        nbytes = IO.appendToFile(is, file.getPath());


      } else if (encoding != null && encoding.equals("gzip")) {
        InputStream is = new BufferedInputStream(new GZIPInputStream(m.getResponseAsStream()), 10000);
        nbytes = IO.appendToFile(is, file.getPath());


      } else {
        nbytes = IO.appendToFile(m.getResponseAsStream(), file.getPath());
      }


    } catch (Exception e) {
      e.printStackTrace();

View Full Code Here

  {
    if(session == null)
        session = new HTTPSession();
    session.setConnectionManagerTimeout( this.connectionTimeout );
    session.setSoTimeout( this.socketTimeout );
    HTTPMethod method = session.newMethodGet( uri.toString() );
    method.setFollowRedirects( this.followRedirects );
    method.setRequestHeader( "Accept-Encoding", this.contentEncoding );


   method.execute();
    int statusCode = method.getStatusCode();
    if ( statusCode == 200 || statusCode == 201 )
    {
      return method;
    }

View Full Code Here

    remoteURI = temp;


    httpClient = new HTTPSession();


    // get the header
    HTTPMethod method = null;
    try {
      String url = remoteURI + "?req=header";
      method = httpClient.newMethodGet(url);
      method.setFollowRedirects(true);
      if (showRequest) System.out.printf("CdmRemote request %s %n", url);
      int statusCode = method.execute();


      if (statusCode == 404)
        throw new FileNotFoundException(method.getURI() + " " + method.getStatusLine());


      if (statusCode >= 300)
        throw new IOException(method.getURI() + " " + method.getStatusLine());


      InputStream is = method.getResponseAsStream();
      NcStreamReader reader = new NcStreamReader();
      reader.readStream(is, this);
      this.location = SCHEME + remoteURI;


    } finally {
      if (method != null) method.close();
    }
    long took = System.currentTimeMillis() - start;
    if (showRequest) System.out.printf(" took %d msecs %n", took);
  }

View Full Code Here

    sbuff.append( URLEncoder.encode(f.toString(), "UTF-8")); // % escape entire thing varname and section


    if (showRequest)
      System.out.println(" CdmRemote data request for variable: " + v.getFullName() + " section= " + section + " url=" + sbuff);


    HTTPMethod method = null;
    try {
      method = httpClient.newMethodGet(sbuff.toString());
      int statusCode = method.execute();


      if (statusCode == 404)
        throw new FileNotFoundException(method.getPath() + " " + method.getStatusLine());


      if (statusCode >= 300)
        throw new IOException(method.getPath() + " " + method.getStatusLine());


      Header h = method.getResponseHeader("Content-Length");
      if (h != null) {
        String s = h.getValue();
        int readLen = Integer.parseInt(s);
        if (showRequest)
          System.out.printf(" content-length = %d%n", readLen);
        if (v.getDataType() != DataType.SEQUENCE) {
          int wantSize = (int) (v.getElementSize() * (section == null ? v.getSize() : section.computeSize()));
          if (readLen != wantSize)
            throw new IOException("content-length= " + readLen + " not equal expected Size= " + wantSize); // LOOK
        }
      }


      InputStream is = method.getResponseAsStream();
      NcStreamReader reader = new NcStreamReader();
      NcStreamReader.DataResult result = reader.readData(is, this);


      assert v.getFullNameEscaped().equals(result.varNameFullEsc);
      result.data.setUnsigned(v.isUnsigned());
      return result.data;


    } finally {
      if (method != null) method.close();
    }
  }

View Full Code Here

0 1

TOP

Related Classes of opendap.dap.http.HTTPMethod

thredds.util.HttpUriResolver

ucar.nc2.dataset.NetcdfDataset

ucar.nc2.stream.CdmRemote

ucar.nc2.util.net.HttpClientManager

ucar.unidata.io.http.HTTPRandomAccessFile

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.