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1
45 package org.openejb.alt.config;
46
47 import java.io.BufferedInputStream  ;
48 import java.io.ByteArrayInputStream ;
49 import java.io.ByteArrayOutputStream ;
50 import java.io.IOException ;
51 import java.io.InputStream ;
52 import java.net.URL ;
53 import java.util.HashMap ;
54
55 import org.xml.sax.EntityResolver ;
56 import org.xml.sax.InputSource ;
57 import org.xml.sax.SAXException ;
58
59
68 public class DTDResolver implements EntityResolver {
69 public static HashMap dtds = new HashMap ();
70
71 static {
72 byte[] bytes = getDtd("ejb-jar_1_1.dtd");
73 if(bytes != null) {
74 dtds.put("ejb-jar.dtd", bytes);
75 dtds.put("ejb-jar_1_1.dtd", bytes);
76 }
77 bytes = getDtd("ejb-jar_2_0.dtd");
78 if(bytes != null) {
79 dtds.put("ejb-jar_2_0.dtd", bytes);
80 }
81 }
82
83 public static byte[] getDtd(String dtdName) {
84 try{
85 URL dtd = new URL ("resource:/openejb/dtds/"+dtdName);
87 InputStream in = dtd.openStream();
88 if (in == null) return null;
89
90 byte[] buf = new byte[512];
91
92 in = new BufferedInputStream (in);
93 ByteArrayOutputStream out = new ByteArrayOutputStream ();
94
95 int count;
96 while((count = in.read(buf)) > -1) out.write(buf, 0, count);
97
98 in.close();
99 out.close();
100
101 return out.toByteArray();
102 } catch (Throwable e){
103 return null;
104 }
105 }
106
107 public InputSource resolveEntity(String publicId, String systemId) throws SAXException , IOException {
108
109 int pos = systemId.lastIndexOf('/');
110 if (pos != -1) {
111 systemId = systemId.substring(pos+1);
112 }
113
114 byte[] data = (byte[])dtds.get(systemId);
115
116 if (data != null) {
117 return new InputSource (new ByteArrayInputStream (data));
118 } else {
119 return null;
120 }
121 }
122 }
123 |
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