jpl.mipl.mdms.FileService.komodo.api
Class SaxDomain

java.lang.Object
  jpl.mipl.mdms.FileService.komodo.api.Domain
      jpl.mipl.mdms.FileService.komodo.api.SaxDomain

public class SaxDomain
extends Domain

SAX XML parsing implementation of Domain object

Version:

$Id: SaxDomain.java,v 1.25 2008/02/21 16:39:03 ntt Exp $

Author:

R. Pavlovsky {rich.pavlovsky@jpl.nasa.gov}

Field Summary

protected static String	DEFGRP_KEY
protected static String	GROUPS_KEY
protected static String	SERVERS_KEY
protected static String	TYPES_KEY
protected static String	URI_KEY

Constructor Summary

SaxDomain(String uri)
Constructor, location of domain file.

SaxDomain(URL url)
Constructor, location of domain file.

Method Summary

protected void	_load() Private method to do the XML parsing and load the hashtable.
String	getDefaultGroup() Get the default server group specified in domain file.
FileTypeInfo	getFileType(String typeName) Deprecated. please use the getFileType(String groupName, String typeName) method
FileTypeInfo	getFileType(String groupName, String typeName) Returns the file type information object for input file type name parameter.
LinkedList	getFileTypeNames() Deprecated. doesn't respect server group namespace, use getFileTypeNames(String groupName) instead
LinkedList	getFileTypeNames(String groupName) Get a list of sorted file type names for a specified server group
LinkedList	getGroupNames() Get a list of sorted server group names
ServerInfo	getServerInfo(String serverName) Returns the server infomation object for input servername parameter.
ServerInfo	getServerInfo(String groupName, String serverName) Returns the server infomation object for input server name and group name parameters.
ServerInfo	getServerInfoByIndex(int index) Returns the server at the specified index, or null if index is out of bounds.
LinkedList	getServerInfoFromFileType(String groupName, String typeName) Method to return a LinkedList of ServerInfo objects for a given file type name and server group
LinkedList	getServerInfoFromFileType2(String groupName, String typeName) Method to return a LinkedList of ServerInfo objects for a given file type name and server group
LinkedList	getServerInfoFromGroup(String groupName) Method to return a LinkedList of ServerInfo objects for a given server group
String	getUri() Method to return the domain file's URI
String	toString() Utility method to output the Domain hash to a string

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

URI_KEY

protected static final String URI_KEY

See Also:

Constant Field Values

GROUPS_KEY

protected static final String GROUPS_KEY

See Also:

Constant Field Values

SERVERS_KEY

protected static final String SERVERS_KEY

See Also:

Constant Field Values

TYPES_KEY

protected static final String TYPES_KEY

See Also:

Constant Field Values

DEFGRP_KEY

protected static final String DEFGRP_KEY

See Also:

Constant Field Values

Constructor Detail

SaxDomain

public SaxDomain(String uri)
          throws SessionException

Constructor, location of domain file. Parses XML and loads it into a hashtable. See class Javadoc comment for hashtable format.

Parameters:

uri - the full path to a domain file.

Throws:

SessionException - when other failures

SaxDomain

public SaxDomain(URL url)
          throws SessionException

Constructor, location of domain file. Parses XML and loads it into a hashtable. See class Javadoc comment for hashtable format.

Parameters:

url - URL location of domainFile

Throws:

SessionException - when session failure

Method Detail

_load

protected void _load()
              throws SessionException

Private method to do the XML parsing and load the hashtable. See class Javadoc entry for hashtable format.

Throws:

SessionException - when session failure

toString

public String toString()

Utility method to output the Domain hash to a string

Specified by:

toString in class Domain

Returns:

String contents of domain hash

getDefaultGroup

public String getDefaultGroup()

Get the default server group specified in domain file. Returns an empty string if default group not specified in domain file.

Specified by:

getDefaultGroup in class Domain

Returns:

default server group name

getGroupNames

public LinkedList getGroupNames()

Get a list of sorted server group names

Specified by:

getGroupNames in class Domain

Returns:

list of server group names

getFileTypeNames

public LinkedList getFileTypeNames()
                            throws SessionException

Deprecated. doesn't respect server group namespace, use getFileTypeNames(String groupName) instead

Get a list of sorted file type names, does not respect server group namespace.

Specified by:

getFileTypeNames in class Domain

Returns:

list of file type names

Throws:

SessionException - when operation fails

getFileTypeNames

public LinkedList getFileTypeNames(String groupName)
                            throws SessionException

Get a list of sorted file type names for a specified server group

Specified by:

getFileTypeNames in class Domain

Parameters:

groupName - the name of the server group

Returns:

list of file type names

Throws:

SessionException - when operation fails

getServerInfo

public ServerInfo getServerInfo(String serverName)
                         throws SessionException

Returns the server infomation object for input servername parameter. Returns the first serverName match found (regardless of server groups)! Please note that the same server name can be defined in multiple server groups. Returns the first server defined in domain structure if serverName is null. Throws session exception if a match is not found in domain hash.

Specified by:

getServerInfo in class Domain

Parameters:

serverName - the server name

Returns:

the server info object reference

Throws:

SessionException - if match not found

getServerInfo

public ServerInfo getServerInfo(String groupName,
                                String serverName)
                         throws SessionException

Returns the server infomation object for input server name and group name parameters. If servername is null, returns the first server name match found (regardless of server groups)! Please note that the same server name can be defined in multiple server groups. Returns the first servername match (regardless of server groups) if group name is null. Throws session exception if a match is not found in domain hash.

Specified by:

getServerInfo in class Domain

Parameters:

serverName - the server name

groupName - the server group name

Returns:

the server info object reference

Throws:

SessionException - if match not found

getServerInfoByIndex

public ServerInfo getServerInfoByIndex(int index)

Returns the server at the specified index, or null if index is out of bounds.

Specified by:

getServerInfoByIndex in class Domain

Parameters:

index - the index entry to the server list

Returns:

the server info object reference

getServerInfoFromFileType

public LinkedList getServerInfoFromFileType(String groupName,
                                            String typeName)
                                     throws SessionException

Method to return a LinkedList of ServerInfo objects for a given file type name and server group

Specified by:

getServerInfoFromFileType in class Domain

Parameters:

groupName - the server group name

typeName - the file type name

Returns:

LinkedList of server info objects

Throws:

SessionException - when operation fails

getServerInfoFromGroup

public LinkedList getServerInfoFromGroup(String groupName)
                                  throws SessionException

Method to return a LinkedList of ServerInfo objects for a given server group

Specified by:

getServerInfoFromGroup in class Domain

Parameters:

groupName - the server group name

Returns:

LinkedList of server info objects

Throws:

SessionException - when operation fails

getServerInfoFromFileType2

public LinkedList getServerInfoFromFileType2(String groupName,
                                             String typeName)
                                      throws SessionException

Method to return a LinkedList of ServerInfo objects for a given file type name and server group

Parameters:

groupName - the server group name

typeName - the file type name

Returns:

LinkedList of server info objects

Throws:

SessionException - when operation fails

getFileType

public FileTypeInfo getFileType(String typeName)
                         throws SessionException

Deprecated. please use the getFileType(String groupName, String typeName) method

Returns the file type information object for input file type name parameter. If type name is null, returns the first type name found (regardless of server groups)! Please note that the same file type name can be defined in multiple server groups. Returns the first type name match (regardless of server groups) if group name is null. Throws session exception if a match is not found in domain hash.

Specified by:

getFileType in class Domain

Parameters:

typeName - the file type name

Returns:

the file type info object reference

Throws:

SessionException - if match is not found

getFileType

public FileTypeInfo getFileType(String groupName,
                                String typeName)
                         throws SessionException

Returns the file type information object for input file type name parameter. If the group is specified, then a filetype info object is only returned if that group contains that filetype. If group name is null, checks if filetype is defined for the default group. If not found, it checks all other groups and makes the following decision. If single group matches, then that group is returned. If multiple groups match, then method throws an exception with ambiguity message. Please note that the same file type name can be defined in multiple server groups. Throws session exception if a match is not found in domain hash.

Specified by:

getFileType in class Domain

Parameters:

groupName - the server group name

typeName - the file type name

Returns:

the file type object

Throws:

SessionException - if unique match is not found

getUri

public String getUri()

Method to return the domain file's URI

Returns:

the domain file URI