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1 package net.sf.jguard.core.authorization.permissions;
2
3 import java.io.Serializable  ;
4 import java.util.Arrays ;
5 import java.util.Collection ;
6 import java.util.HashSet ;
7 import java.util.Iterator ;
8 import java.util.List ;
9 import java.util.Set ;
10
11 import org.apache.commons.lang.StringEscapeUtils;
12
13
17 public class URLParameterCollection implements Serializable {
18
19 private static final long serialVersionUID = -6533685803360570616L;
20
21 private Set parameters;
22
23 private boolean impliesMissingKeyParameters;
24
25 public URLParameterCollection() {
26 parameters = new HashSet ();
27 impliesMissingKeyParameters = false;
28 }
29
30 public void add(URLParameter parameter) {
31 parameters.add(parameter);
32 }
33
34 public boolean implies(URLParameter impliedParameter) {
35 Iterator itParameter = parameters.iterator();
36 while (itParameter.hasNext()) {
37 URLParameter parameter = (URLParameter) itParameter.next();
38 if (parameter.impliesKey(impliedParameter.getKey())) {
39 if (parameter.impliesValues(impliedParameter.getValue())) {
40 return true;
41 }else{
42 return false;
43 }
44 }
45 }
46 if(!impliesMissingKeyParameters){
48 return false;
49 }
50 return true;
51 }
52
53 public boolean getImpliesMissingKeyParameters() {
54 return impliesMissingKeyParameters;
55 }
56
57 public void setImpliesMissingKeyParameters(
58 boolean impliesMissingKeyParameters) {
59 this.impliesMissingKeyParameters = impliesMissingKeyParameters;
60 }
61
62 public boolean isEmpty(){
63 return parameters.isEmpty();
64 }
65
66
72 protected static URLParameterCollection getURLParameters(String strParams) {
73
74 URLParameterCollection parametersCollection = new URLParameterCollection();
75 strParams = StringEscapeUtils.unescapeHtml(strParams);
76 if (strParams != null && strParams != "") {
77 List tokens = Arrays.asList(strParams.split("&"));
78 Iterator itTokens = tokens.iterator();
79 while (itTokens.hasNext()) {
80 String token = (String ) itTokens.next();
81 String [] parts = token.split("=");
82 if (parts.length == 2) {
83 URLParameter param = new URLParameter();
84 param.setKey(URLPermission.buildRegexpFromString(parts[0]));
85 String [] values = parts[1].split(";");
86 for (int i=0; i<values.length; i++){
87 values[i]=URLPermission.buildRegexpFromString(values[i]);
88 }
89 param.setValue(values);
90 parametersCollection.add(param);
91 }else if(parts.length == 1 && "*".equals(parts[0])){
92 parametersCollection.setImpliesMissingKeyParameters(true);
93 }
94 }
95
96 }
97 return parametersCollection;
98 }
99
100 public int size() {
101 return parameters.size();
102 }
103
104 public Collection getParameters() {
105 return parameters;
106 }
107 }
108 |
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