edu.northwestern.at.utils

Class ListUtils

java.lang.Object

edu.northwestern.at.utils.ListUtils

public class ListUtils
extends java.lang.Object

List utilities.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ListUtils() Don't allow instantiation, do allow overrides.

Method Summary

Methods

Modifier and Type	Method and Description
static java.util.List<java.lang.String>	loadList(java.io.File listFile, java.lang.String encoding) Load string list from a file.
static java.util.List<java.lang.String>	loadList(java.util.List<java.lang.String> list, java.io.File listFile, java.lang.String encoding) Load string list from a file.
static java.util.List<java.lang.String>	loadList(java.util.List<java.lang.String> list, java.lang.String listFileName, java.lang.String encoding) Load string list from a file name.
static java.util.List<java.lang.String>	loadList(java.util.List<java.lang.String> list, java.net.URL setURL, java.lang.String encoding) Load string list from a URL.
static java.util.List<java.lang.String>	loadList(java.lang.String listFileName, java.lang.String encoding) Load string list from a file name.
static java.util.List<java.lang.String>	loadList(java.net.URL setURL, java.lang.String encoding) Load string list from a URL.
static void	saveList(java.util.List<?> list, java.io.File listFile, java.lang.String encoding) Save list as string to a file.
static void	saveList(java.util.List<?> list, java.lang.String listFileName, java.lang.String encoding) Save list as string to a file name.
static <E> java.util.List<E>	shallowClone(java.util.List<E> list) Get shallow clone of list contents.

Methods inherited from class java.lang.Object

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

Constructor Detail

ListUtils

protected ListUtils()

Don't allow instantiation, do allow overrides.

Method Detail

loadList

public static java.util.List<java.lang.String> loadList(java.util.List<java.lang.String> list,
                                        java.net.URL setURL,
                                        java.lang.String encoding)
                                                 throws java.io.IOException,
                                                        java.io.FileNotFoundException

Load string list from a URL.

Parameters:

list - List into which to load strings. Created if null.

setURL - URL for list file.

encoding - Character encoding for the file.

Returns:

List with values read from file.

Throws:

java.io.FileNotFoundException - If input file does not exist.

java.io.IOException - If input file cannot be opened.

loadList

public static java.util.List<java.lang.String> loadList(java.net.URL setURL,
                                        java.lang.String encoding)
                                                 throws java.io.IOException,
                                                        java.io.FileNotFoundException

Load string list from a URL.

Parameters:

setURL - URL for list file.

encoding - Character encoding for the file.

Returns:

List with values read from file.

Throws:

java.io.FileNotFoundException - If input file does not exist.

java.io.IOException - If input file cannot be opened.

loadList

public static java.util.List<java.lang.String> loadList(java.util.List<java.lang.String> list,
                                        java.io.File listFile,
                                        java.lang.String encoding)
                                                 throws java.io.IOException,
                                                        java.io.FileNotFoundException

Load string list from a file.

Parameters:

list - List into which to load strings. Created if null.

listFile - File from which to load list.

encoding - Character encoding for the file.

Returns:

List with values read from file.

Throws:

java.io.FileNotFoundException - If input file does not exist.

java.io.IOException - If input file cannot be opened.

loadList

public static java.util.List<java.lang.String> loadList(java.io.File listFile,
                                        java.lang.String encoding)
                                                 throws java.io.IOException,
                                                        java.io.FileNotFoundException

Load string list from a file.

Parameters:

listFile - File from which to load list.

encoding - Character encoding for the file.

Returns:

List with values read from file.

Throws:

java.io.FileNotFoundException - If input file does not exist.

java.io.IOException - If input file cannot be opened.

loadList

public static java.util.List<java.lang.String> loadList(java.util.List<java.lang.String> list,
                                        java.lang.String listFileName,
                                        java.lang.String encoding)
                                                 throws java.io.IOException,
                                                        java.io.FileNotFoundException

Load string list from a file name.

Parameters:

list - List into which to load strings. Created if null.

listFileName - File name from which to load list.

encoding - Character encoding for the file.

Returns:

List with values read from file name.

Throws:

java.io.FileNotFoundException - If input file does not exist.

java.io.IOException - If input file cannot be opened.

loadList

public static java.util.List<java.lang.String> loadList(java.lang.String listFileName,
                                        java.lang.String encoding)
                                                 throws java.io.IOException,
                                                        java.io.FileNotFoundException

Load string list from a file name.

Parameters:

listFileName - File name from which to load list.

encoding - Character encoding for the file.

Returns:

List with values read from file name.

Throws:

java.io.FileNotFoundException - If input file does not exist.

java.io.IOException - If input file cannot be opened.

saveList

public static void saveList(java.util.List<?> list,
            java.io.File listFile,
            java.lang.String encoding)
                     throws java.io.IOException,
                            java.io.FileNotFoundException

Save list as string to a file.

Parameters:

list - List to save.

listFile - Output file name.

encoding - Character encoding for the file.

Throws:

java.io.IOException - If output file has error.

java.io.FileNotFoundException

saveList

public static void saveList(java.util.List<?> list,
            java.lang.String listFileName,
            java.lang.String encoding)
                     throws java.io.IOException,
                            java.io.FileNotFoundException

Save list as string to a file name.

Parameters:

list - List to save.

listFileName - Output file name.

encoding - Character encoding for the file.

Throws:

java.io.IOException - If output file has error.

java.io.FileNotFoundException

shallowClone

public static <E> java.util.List<E> shallowClone(java.util.List<E> list)

Get shallow clone of list contents.

Parameters:

list - List to clone.

Returns:

Shallow clone of input list.