openrat-java-client

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git clone http://git.code.weiherhei.de/openrat-java-client.git
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ParameterMap.java (1829B)

      1 package de.openrat.client.util;
      2 
      3 import java.io.UnsupportedEncodingException;
      4 import java.net.URLEncoder;
      5 import java.util.Collection;
      6 import java.util.HashMap;
      7 import java.util.Map;
      8 
      9 public class ParameterMap
     10 {
     11 	private Map<String, String> parameter = new HashMap<String, String>();
     12 
     13 	/**
     14 	 * @return
     15 	 * @see java.util.Map#size()
     16 	 */
     17 	public int size()
     18 	{
     19 		return parameter.size();
     20 	}
     21 
     22 	/**
     23 	 * @param key
     24 	 * @return
     25 	 * @see java.util.Map#containsKey(java.lang.Object)
     26 	 */
     27 	public boolean containsKey(Object key)
     28 	{
     29 		return parameter.containsKey(key);
     30 	}
     31 
     32 	/**
     33 	 * @param key
     34 	 * @return
     35 	 * @see java.util.Map#get(java.lang.Object)
     36 	 */
     37 	public String get(Object key)
     38 	{
     39 		return parameter.get(key);
     40 	}
     41 
     42 	/**
     43 	 * @param key
     44 	 * @param value
     45 	 * @return
     46 	 * @see java.util.Map#put(java.lang.Object, java.lang.Object)
     47 	 */
     48 	public String put(String key, String value)
     49 	{
     50 		value = urlEncode(value);
     51 		return parameter.put(key, value);
     52 	}
     53 
     54 	/**
     55 	 * @return
     56 	 * @see java.util.Map#values()
     57 	 */
     58 	public Collection<String> values()
     59 	{
     60 		return parameter.values();
     61 	}
     62 
     63 	public String toQueryString()
     64 	{
     65 
     66 		return new MapConverter(parameter).convertMapToString("=", "&", false);
     67 	}
     68 
     69 	/**
     70 	 * @param m
     71 	 * @see java.util.Map#putAll(java.util.Map)
     72 	 */
     73 	public void putAll(ParameterMap other)
     74 	{
     75 		parameter.putAll(other.parameter);
     76 	}
     77 
     78 	/**
     79 	 * 
     80 	 * @see java.util.Map#clear()
     81 	 */
     82 	public void clear()
     83 	{
     84 		parameter.clear();
     85 	}
     86 
     87 	/**
     88 	 * URL-Encoder.
     89 	 * 
     90 	 * @param value
     91 	 * @return url-encoded value
     92 	 */
     93 	private String urlEncode(String value)
     94 	{
     95 
     96 		String CHARSET_UTF8 = "UTF-8";
     97 
     98 		try
     99 		{
    100 			return URLEncoder.encode(value, CHARSET_UTF8);
    101 		}
    102 		catch (UnsupportedEncodingException e)
    103 		{
    104 			// maybe... this would be strange
    105 			throw new IllegalStateException(CHARSET_UTF8 + " ist not supported by this VM");
    106 		}
    107 	}
    108 
    109 }