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annotate src/luan/webserver/Util.java @ 1212:220228bf1af9

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better urlDecode error handling
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 12 Mar 2018 20:33:02 -0600
parents 30d87b7d1d62
children 05934fbf635a
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1 package luan.webserver;
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2
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3 import java.io.UnsupportedEncodingException;
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4 import java.net.URLEncoder;
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5 import java.util.Map;
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6 import java.util.List;
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7 import java.util.ArrayList;
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8
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9
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10 final class Util {
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11
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12 static String urlEncode(String s) {
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13 try {
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14 return URLEncoder.encode(s,"UTF-8");
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15 } catch(UnsupportedEncodingException e) {
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16 throw new RuntimeException(e);
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17 }
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18 }
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20 static void add(Map<String,Object> map,String name,Object value) {
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21 Object current = map.get(name);
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22 if( current == null ) {
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23 map.put(name,value);
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24 } else if( current instanceof List ) {
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25 List list = (List)current;
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26 list.add(value);
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27 } else {
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28 List list = new ArrayList();
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29 list.add(current);
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30 list.add(value);
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31 map.put(name,list);
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32 }
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33 }
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34
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35 static String toString(byte[] a) {
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36 char[] ac = new char[a.length];
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37 for( int i=0; i<a.length; i++ ) {
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38 ac[i] = (char)a[i];
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39 }
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40 return new String(ac);
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41 }
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42
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43 static byte[] toBytes(String s) {
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44 char[] ac = s.toCharArray();
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45 byte[] a = new byte[ac.length];
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46 for( int i=0; i<ac.length; i++ ) {
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47 a[i] = (byte)ac[i];
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48 }
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49 return a;
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50 }
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51
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52 private Util() {} // never
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53 }