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package org.mule.util; |
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import java.util.Map; |
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import java.util.TreeMap; |
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20 | 0 | public class UriParamFilter |
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{ |
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public String filterParamsByValue(String uri, String paramValue) |
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{ |
24 | 0 | int i = uri.indexOf("?"); |
25 | 0 | if (i == -1) |
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{ |
27 | 0 | return uri; |
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} |
29 | 0 | String query = uri.substring(i + 1); |
30 | 0 | String base = uri.substring(0, i + 1); |
31 | 0 | StringBuffer newQuery = new StringBuffer(); |
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33 | 0 | TreeMap<String, String> p = getPropertiesFromQueryString(query); |
34 | 0 | for (Map.Entry<String, String> entry : p.entrySet()) |
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{ |
36 | 0 | if (!paramValue.equals(entry.getValue())) |
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{ |
38 | 0 | newQuery.append(entry.getKey()).append("=").append(entry.getValue()).append("&"); |
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} |
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} |
41 | 0 | String result = base + newQuery.toString(); |
42 | 0 | if (result.endsWith("?") || result.endsWith("&")) |
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{ |
44 | 0 | result = result.substring(0, result.length() - 1); |
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} |
46 | 0 | return result; |
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} |
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private TreeMap<String, String> getPropertiesFromQueryString(String query) |
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{ |
51 | 0 | TreeMap<String, String> props = new TreeMap<String, String>(); |
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53 | 0 | if (query == null) |
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{ |
55 | 0 | return props; |
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} |
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58 | 0 | query = new StringBuffer(query.length() + 1).append('&').append(query).toString(); |
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60 | 0 | int x = 0; |
61 | 0 | while ((x = addProperty(query, x, '&', props)) != -1) |
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{ |
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} |
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66 | 0 | return props; |
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} |
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private int addProperty(String query, int start, char separator, TreeMap<String, String> properties) |
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{ |
71 | 0 | int i = query.indexOf(separator, start); |
72 | 0 | int i2 = query.indexOf(separator, i + 1); |
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String pair; |
74 | 0 | if (i > -1 && i2 > -1) |
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{ |
76 | 0 | pair = query.substring(i + 1, i2); |
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} |
78 | 0 | else if (i > -1) |
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{ |
80 | 0 | pair = query.substring(i + 1); |
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} |
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else |
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{ |
84 | 0 | return -1; |
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} |
86 | 0 | int eq = pair.indexOf('='); |
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88 | 0 | if (eq <= 0) |
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{ |
90 | 0 | String value = ""; |
91 | 0 | properties.put(pair, value); |
92 | 0 | } |
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else |
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{ |
95 | 0 | String key = pair.substring(0, eq); |
96 | 0 | String value = (eq == pair.length() ? "" : pair.substring(eq + 1)); |
97 | 0 | properties.put(key, value); |
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} |
99 | 0 | return i2; |
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} |
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} |