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1
23
24 package com.sun.enterprise.config.serverbeans.validation;
25
26 import java.io.Writer  ;
27 import org.xml.sax.helpers.DefaultHandler ;
28 import com.sun.enterprise.util.LocalStringManager;
29 import java.util.ArrayList ;
30 import java.io.IOException ;
31 import org.xml.sax.SAXException ;
32 import org.xml.sax.Attributes ;
33 import java.util.logging.Logger ;
34
35 class Localiser extends DefaultHandler
36 {
37 private final LocalStringManager lsm;
38 private final Writer out;
39 private final Logger logger;
40 private final String prefix;
41
42
43 Localiser(final LocalStringManager lsm, final Writer out, final String prefix){
44 this(lsm, out, null, prefix);
45 }
46
47 Localiser(final LocalStringManager lsm, final Writer out, final Logger logger){
48 this(lsm, out, logger, null);
49 }
50
51 Localiser(final LocalStringManager lsm, final Writer out){
52 this(lsm, out, null, null);
53 }
54
55 Localiser(final LocalStringManager lsm, final Writer out, final Logger logger, final String prefix){
56 this.lsm = lsm;
57 this.out = out;
58 this.logger = logger;
59 this.prefix = (prefix == null ? "" : prefix +".");
60 }
61
62 public void startElement(final String namespaceURI,
63 final String localName,
64 final String qName,
65 final Attributes atts)
66 throws SAXException {
67 if (localName.equals("location")){
68 startLocation();
69 } else if (localName.equals("message")){
70 startMessage(atts);
71 } else if (localName.equals("param")) {
72 startParam(atts);
73 }
74 }
75 public void characters(char[] ch,
76 int start,
77 int length)
78 throws SAXException {
79 if (null != textBuffer){
80 textBuffer.append(ch, start, length);
81 }
82 }
83
84 public void endElement(String namespaceURI,
85 String localName,
86 String qName)
87 throws SAXException {
88 if (localName.equals("location")){
89 endLocation();
90 } else if (localName.equals("message")){
91 endMessage();
92 } else if (localName.equals("param")) {
93 endParam();
94 }
95 }
96
97 private String message_id;
98 private ArrayList params = new ArrayList (5);
99 private StringBuffer textBuffer;
100
101 private void startLocation(){
102 textBuffer = new StringBuffer ();
103 }
104
105 private void endLocation() throws SAXException {
106 if (null != textBuffer && textBuffer.length() > 0){
107 try {
108 textBuffer.append(" ");
109 out.write(textBuffer.toString());
110 }
111 catch (IOException e){
112 throw new SAXException (e);
113 }
114 }
115 textBuffer = null;
116 }
117
118 private void startMessage(final Attributes attr) throws SAXException {
119 params.clear();
120 final String id = attr.getValue("", "id");
121 if (null == id || id.length() == 0){
122 throw new SAXException ("id attribute is either null or empty");
123 }
124 message_id = prefix + id;
125 }
126
127 private void startParam(final Attributes attr) {
128 textBuffer = new StringBuffer ();
129 }
130
131 private void endParam(){
132 params.add(textBuffer.toString());
133 textBuffer = null;
134 }
135
136 private void endMessage() throws SAXException {
137 final String msg = lsm.getLocalString(null, message_id,
138 "Internal Error, message id \""+message_id+ "\" not present in localisation file",
139 params.toArray());
140 message_id = null;
141
142 if (null != logger && msg.startsWith("Internal Error")){
143 logger.severe(msg);
144 return;
145 }
146
147 try {
148 out.write(msg+"\n");
149 out.flush();
150 }
151 catch (IOException e){
152 throw new SAXException (e);
153 }
154
155
156 }
157
158 }
159 |
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