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1
23 package org.objectweb.jorm.xml2mi.lib;
24
25 import org.apache.xerces.xni.parser.XMLInputSource;
26 import org.apache.xerces.xni.parser.XMLEntityResolver;
27 import org.apache.xerces.xni.XMLResourceIdentifier;
28 import org.apache.xerces.xni.XNIException;
29 import org.apache.tools.ant.types.DTDLocation;
30 import org.objectweb.util.monolog.api.Logger;
31 import org.objectweb.util.monolog.api.BasicLevel;
32 import org.objectweb.util.monolog.api.LoggerFactory;
33 import org.objectweb.jorm.util.api.Loggable;
34
35 import java.io.IOException  ;
36 import java.io.InputStream ;
37 import java.io.FileInputStream ;
38 import java.io.FileNotFoundException ;
39 import java.util.Iterator ;
40 import java.util.ArrayList ;
41 import java.util.zip.ZipEntry ;
42 import java.util.jar.JarFile ;
43 import java.net.URL ;
44
45
48 public class DTDResolver implements XMLEntityResolver, Loggable {
49
50 private ArrayList dtdLocations = null;
51 private Logger logger = null;
52
53 public DTDResolver(ArrayList dtdLocations) {
54 this.dtdLocations = dtdLocations;
55 }
56
57 public DTDResolver(ArrayList dtdLocations, Logger logger) {
58 this.dtdLocations = dtdLocations;
59 this.logger = logger;
60 }
61
62
64 public XMLInputSource resolveEntity(XMLResourceIdentifier identifier) throws XNIException, IOException {
65 String publicid = identifier.getPublicId();
66 String location = null;
67 if (publicid == null) {
68 location = identifier.getBaseSystemId();
69 } else {
70 Iterator it = dtdLocations.iterator();
71 logger.log(BasicLevel.DEBUG, "Looking for the publicId: " + publicid);
72 while (it.hasNext()) {
73 DTDLocation dtdloc = (DTDLocation) it.next();
74 String current = dtdloc.getPublicId();
75 logger.log(BasicLevel.DEBUG, "Current public id: " + current);
76 if (current.equals(publicid)) {
77 location = dtdloc.getLocation();
78 break;
79 }
80 }
81 }
82 if (location == null) {
83 logger.log(BasicLevel.WARN, "No dtd location found for the publicId:" + publicid);
84 if (identifier.getBaseSystemId() == null)
85 throw new IOException ("Could not resolve publicid: [" + publicid + "]");
86 logger.log(BasicLevel.WARN, "Resolved " + publicid + " to with default location " + identifier.getBaseSystemId());
87 return new XMLInputSource(identifier);
88 }
89
90 InputStream is = null;
91
92 try {
94 is = new FileInputStream (location);
95 logger.log(BasicLevel.DEBUG, "Resolved " + publicid + " to local file " + location);
96 } catch (FileNotFoundException e) {
97 logger.log(BasicLevel.DEBUG, location + " is not a local file ");
98 }
99
100 if (is == null) {
101 URL urldtd = null;
102 try {
103 urldtd = new URL (location);
104 is = urldtd.openStream();
105 logger.log(BasicLevel.DEBUG, "Resolved " + publicid + " to url " + urldtd);
106 } catch (IOException e) {
107 logger.log(BasicLevel.DEBUG, location + " is not an URL ");
108 }
109 }
110
111 if (is == null) {
113 is = getClass().getClassLoader().getResourceAsStream(location);
114 if (is != null) {
115 logger.log(BasicLevel.DEBUG, "Resolved " + publicid + " to resource " + location);
116 } else {
117 logger.log(BasicLevel.DEBUG, location + " is not availlable in the classpath");
118 }
119 }
120
121 if (is == null) {
123 int idx = location.indexOf(".jar!");
124 if (idx != -1) {
125 try {
126 JarFile jarfile = new JarFile (location.substring(0, idx));
127 if (jarfile != null) {
129 ZipEntry zipentry = jarfile.getEntry(
130 location.substring(idx + 5, location.length()));
131 if (zipentry != null) {
134 is = jarfile.getInputStream(zipentry);
135 }
136 }
137 } catch (Exception e) {
138 logger.log(BasicLevel.DEBUG, location + " is not an jar file");
139 }
140 }
141 }
142
143 if (is != null)
144 return new XMLInputSource(publicid,
145 identifier.getLiteralSystemId(),
146 identifier.getBaseSystemId(),
147 is,
148 null);
149 else
150 throw new IOException ("Could not resolve publicid: ["
151 + publicid + "] location [" + location + "]");
152 }
153
154 public Logger getLogger() {
156 return logger;
157 }
158
159 public LoggerFactory getLoggerFactory() {
160 return null;
161 }
162
163 public void setLogger(Logger logger) {
164 this.logger = logger;
165 }
166
167 public void setLoggerFactory(LoggerFactory loggerfactory) {
168 }
169 }
170 |
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