net.sf.basedb.util
Class QueryParameters

java.lang.Object
  net.sf.basedb.util.QueryParameters

public class QueryParameters
extends Object

Utiltity class for parsing string values in the form of HTTP request query parameters:

key1=value1&key2=value2...

Version:

2.6

Author:

nicklas

Last modified

$Date: 2008-09-11 22:08:14 +0200 (Thu, 11 Sep 2008) $

Field Summary

private Map<String,List<String>>

parameters

Constructor Summary

private

QueryParameters(String query)

Method Summary

Set<String>	getKeys() Get all keys that are present in the query string.
int	getNumValues(String key) Get the number of values for a key.
String	getValue(String key) Get the (single) value for a key.
List<String>	getValues(String key) Get all values for a key.
static QueryParameters	parseQueryString(String query) Parses a string in HTTP query format (key1=value1&key2=value2...

Methods inherited from class java.lang.Object

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

Field Detail

parameters

private Map<String,List<String>> parameters

Constructor Detail

QueryParameters

private QueryParameters(String query)

Method Detail

parseQueryString

public static QueryParameters parseQueryString(String query)

Parses a string in HTTP query format (key1=value1&key2=value2...) and returns it as a QueryParameters object.

Parameters:

query - The string to parse

Returns:

A QueryParameters object

getValue

public String getValue(String key)

Get the (single) value for a key. If the query string contained more than one value for this key, the first value is returned.

Parameters:

key - The key

Returns:

The value, or null if no value was found for the key

getValues

public List<String> getValues(String key)

Get all values for a key.

Returns:

A list of values, or null if no value was found for the key

getNumValues

public int getNumValues(String key)

Get the number of values for a key.

Parameters:

key - The key

Returns:

The number of values

getKeys

public Set<String> getKeys()

Get all keys that are present in the query string.

Returns:

A set with the keys