Examples of com.emc.esu.api.EsuException

com.emc.esu.api.EsuException
Base ESU exception class that is thrown from the API methods. Contains an error code that can be mapped to the standard ESU error codes. See the Atmos programmer's guide for a list of server error codes.

            }


            return new HttpInputStreamWrapper(con.getInputStream(), con);


        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }
    }

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                out.write(data.getBuffer(), data.getOffset(), data.getSize());
                out.close();
            } catch (IOException e) {
                silentClose(out);
                con.disconnect();
                throw new EsuException("Error posting data", e);
            }


            // Check response
            if (con.getResponseCode() > 299) {
                handleError(con);
            }
            con.disconnect();
        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }


    }

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                while (read < length) {
                    // make sure we don't write past the content-length
                    int maxRead = (int) Math.min( (long) buffer.length, length - read );
                    int c = data.read( buffer, 0, maxRead );
                    if (c == -1) {
                        throw new EsuException(
                                "EOF encountered reading data stream");
                    }
                    out.write(buffer, 0, c);
                    read += c;
                }
                out.close();
            } catch (IOException e) {
                silentClose(out);
                con.disconnect();
                throw new EsuException("Error posting data", e);
            }


            // Check response
            if (con.getResponseCode() > 299) {
                handleError(con);
            }
            con.disconnect();
        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }


    }

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            // Read the response to complete the request (will be empty)
            InputStream in = con.getInputStream();
            in.close();
            con.disconnect();
        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }


    }

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            // Read the response to complete the request (will be empty)
            InputStream in = con.getInputStream();
            in.close();
            con.disconnect();
        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }


    }

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            // Parse the value out of the URL
            return getObjectId( location );


        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }
    }

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     */
  public List<DirectoryEntry> listDirectory(ObjectPath path, 
      ListOptions options ) {
      
        if (!path.isDirectory()) {
            throw new EsuException(
                    "listDirectory must be called with a directory path");
        }
        
        byte[] data = null;


        // Read out the directory's contents
        try {
            String resource = getResourcePath(context, path);
            URL u = buildUrl(resource, null);
            HttpURLConnection con = (HttpURLConnection) u.openConnection();


            // Build headers
            Map<String, String> headers = new HashMap<String, String>();


            headers.put("x-emc-uid", uid);
            
            if(unicodeEnabled) {
                headers.put("x-emc-utf8", "true");
            }


            // Process options
            if( options != null ) {
              if( options.isIncludeMetadata() ) {
                headers.put( "x-emc-include-meta", "1" );
                if( options.getSystemMetadata() != null ) {
                  headers.put( "x-emc-system-tags", 
                      join( options.getSystemMetadata(), "," ) );
                }
                if( options.getUserMetadata() != null ) {
                  headers.put( "x-emc-user-tags", 
                      join( options.getUserMetadata(), "," ) );                  
                }
              }
              if( options.getLimit() > 0 ) {
                headers.put( "x-emc-limit", ""+options.getLimit() );
              }
              if( options.getToken() != null ) {
                headers.put( "x-emc-token", options.getToken() );
              }
            }


            // Add date
            headers.put("Date", getDateHeader());


            // Sign request
            signRequest("GET", resource, null, headers);
            configureRequest( con, "GET", headers );


            con.connect();


            // Check response
            if (con.getResponseCode() > 299) {
                handleError(con);
            }
            
            if( options != null ) {
              // Update the token for listing more results.  If there are no
              // more results, the header will not be set and the token will
              // be cleared in the options object.
              options.setToken( con.getHeaderField("x-emc-token") );
            } else {
              if( con.getHeaderField( "x-emc-token" ) != null ) {
                l4j.warn( "Result set truncated. Use ListOptions to " +
                    "retrieve token for next page of results." );
              }
            }


            // The requested content is in the response body.
            data = readResponse(con, null);
                       
        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }
        
        return parseDirectoryListing( data, path );


    }

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            om.setMimeType(con.getContentType());


            return om;


        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }
    }

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            con.disconnect();
            
            return parseServiceInformation(response, con.getHeaderFields());


        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }
  }

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            }


            con.disconnect();


        } catch (MalformedURLException e) {
            throw new EsuException("Invalid URL", e);
        } catch (IOException e) {
            throw new EsuException("Error connecting to server", e);
        } catch (GeneralSecurityException e) {
            throw new EsuException("Error computing request signature", e);
        } catch (URISyntaxException e) {
            throw new EsuException("Invalid URL", e);
        }


    }

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