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1 package org.sapia.archie.impl;
2
3 import java.util.StringTokenizer  ;
4
5 import org.sapia.archie.Name;
6 import org.sapia.archie.NameParser;
7 import org.sapia.archie.NamePart;
8 import org.sapia.archie.ProcessingException;
9
10
18 public class AttributeNameParser implements NameParser{
19
20 static final char QMARK = '?';
21 static final String AMP = "&";
22 static final char EQ = '=';
23 static final String SLASH = "/";
24 static final char SEPARATOR = '/';
25
26
29 public String asString(Name name) {
30 StringBuffer buff = new StringBuffer ();
31 for(int i = 0; i < name.count(); i++){
32 buff.append(name.get(i).asString());
33 if(i < name.count() - 1){
34 buff.append(SEPARATOR);
35 }
36 }
37 return buff.toString();
38 }
39
42 public Name parse(String name) throws ProcessingException {
43 Name n = new Name();
44 StringBuffer buf = new StringBuffer ();
45
46 for (int i = 0; i < name.length(); i++) {
47 if (name.charAt(i) == SEPARATOR) {
48 n.add(parseNamePart(buf.toString()));
49 buf.delete(0, buf.length());
50 } else {
51 buf.append(name.charAt(i));
52 }
53 }
54
55 if (buf.length() > 0) {
56 n.add(parseNamePart(buf.toString()));
57 }
58
59 return n;
60 }
61
64 public NamePart parseNamePart(String namePart) throws ProcessingException {
65 AttributeNamePart anp = new AttributeNamePart();
66 parseName(anp, namePart);
67 return anp;
68 }
69 private void parseName(AttributeNamePart anp, String name) {
70 int idx = name.indexOf(QMARK);
71
72 if (idx < 0) {
73 anp.setName(name);
74
75 return;
76 }
77
78 anp.setName(name.substring(0, idx));
79
80 if (idx == (name.length() - 1)) {
81 return;
82 }
83
84 parseProperties(anp, name.substring(idx + 1));
85 }
86
87
88 private void parseProperties(AttributeNamePart anp, String props) {
89 StringTokenizer st = new StringTokenizer (props, AMP);
90 String token;
91
92 while (st.hasMoreTokens()) {
93 token = st.nextToken();
94 parseProperty(anp, token);
95 }
96 }
97
98
99 private void parseProperty(AttributeNamePart anp, String prop) {
100 String name = null;
101 String value = null;
102
103 int idx = prop.indexOf(EQ);
104
105 if (idx < 0) {
106 if (prop.length() > 0) {
107 name = prop;
108 }
109 } else {
110 name = prop.substring(0, idx);
111
112 if (idx != (prop.length() - 1)) {
113 value = prop.substring(idx + 1);
114 }
115 }
116
117 if (name != null && value != null) {
118 anp.addProperty(name, value);
119 }
120 }
121 }
122 |
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