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1
55 package org.lateralnz.panther.deploy;
56
57 import java.io.InputStreamReader  ;
58 import java.lang.reflect.Constructor ;
59 import java.util.jar.JarEntry ;
60 import java.util.jar.JarFile ;
61 import java.util.ArrayList ;
62 import java.util.HashMap ;
63 import java.util.List ;
64 import java.util.Map ;
65
66 import org.w3c.dom.Document ;
67 import org.w3c.dom.Element ;
68 import org.w3c.dom.Node ;
69 import org.w3c.dom.NodeList ;
70
71 import org.lateralnz.common.util.Constants;
72 import org.lateralnz.common.util.IOUtils;
73 import org.lateralnz.common.util.StringUtils;
74 import org.lateralnz.common.util.XMLUtils;
75 import org.lateralnz.panther.util.EJBConstants;
76
77
82 public final class EJBJarUtils implements Constants, EJBConstants {
83 private static final String JAVA_LANG_STRING = "java.lang.String";
84 private static final Class [] CONS_PARAMS = { String .class };
85
86 private EJBJarUtils() {
87 }
88
89
93 public static final Document getEJBJarXML(JarFile jar) throws Exception {
94 JarEntry ejbxml = jar.getJarEntry("META-INF/ejb-jar.xml");
95 if (ejbxml == null) {
96 return null;
97 }
98
99 InputStreamReader isr = null;
100 String s;
101 try {
102 isr = new InputStreamReader (jar.getInputStream(ejbxml));
103 s = StringUtils.readFrom(isr);
104 }
105 finally {
106 IOUtils.close(isr);
107 }
108
109
110 Document doc = XMLUtils.parse(s);
111 return doc;
112 }
113
114
120 public static final List getSessionDescriptors(Document doc) throws Exception {
121 ArrayList al = new ArrayList ();
122
123 NodeList sessionBeans = doc.getElementsByTagName(SESSION);
124 for (int i = 0; i < sessionBeans.getLength(); i++) {
125 Node n = sessionBeans.item(i);
126
127 String name = XMLUtils.getNodeValue(XMLUtils.getNamedNode(n, EJB_NAME));
128 String remote = XMLUtils.getNodeValue(XMLUtils.getNamedNode(n, REMOTE));
129 String home = XMLUtils.getNodeValue(XMLUtils.getNamedNode(n, HOME));
130 String ejb = XMLUtils.getNodeValue(XMLUtils.getNamedNode(n, EJB_CLASS));
131 String session = XMLUtils.getNodeValue(XMLUtils.getNamedNode(n, SESSION_TYPE));
132 String trans = XMLUtils.getNodeValue(XMLUtils.getNamedNode(n, TRANSACTION_TYPE));
133 Map transEntries;
134 if (trans.equalsIgnoreCase(CONTAINER)) {
135 transEntries = getTransactionAttr(doc, name);
136 }
137 else {
138 transEntries = new HashMap ();
139 }
140
141 SessionDescriptor sd = new SessionDescriptor(name, remote, home, ejb, session);
142 sd.setEnvEntries(getEnvEntries(n));
143 sd.setTransEntries(transEntries);
144
145 al.add(sd);
146 }
147
148 return al;
149 }
150
151
154 private static Map getTransactionAttr(Document doc, String ejbName) {
155 boolean debug = false;
156
157 HashMap rtn = new HashMap ();
158 NodeList transList = doc.getElementsByTagName(CONTAINER_TRANSACTION);
159 for (int i = 0; i < transList.getLength(); i++) {
160 Element e1 = (Element )transList.item(i);
161 NodeList methodList = e1.getElementsByTagName(METHOD);
162 for (int j = 0; j < methodList.getLength(); j++) {
163 Element e2 = (Element )methodList.item(j);
164 String method = e2.getElementsByTagName("method-name").item(0).getFirstChild().getNodeValue();
165 if (!StringUtils.isEmpty(method)) {
166 NodeList nameList = e2.getElementsByTagName(EJB_NAME);
167 if (nameList.getLength() > 0) {
168 Element e3 = (Element )nameList.item(0);
169 String name = e3.getFirstChild().getNodeValue();
170 if (name.equals(ejbName)) {
171 NodeList transAttList = e1.getElementsByTagName(TRANS_ATTRIBUTE);
172 if (transAttList.getLength() > 0) {
173 rtn.put(method, transAttList.item(0).getFirstChild().getNodeValue());
174 }
175
176 break;
177 }
178 }
179 }
180 }
181 }
182
183 if (!rtn.containsKey("*")) {
184 rtn.put("*", "NotSupported");
185 }
186
187 return rtn;
188 }
189
190
193 public static Map getEnvEntries(Node n) throws Exception {
194 HashMap hm = new HashMap ();
195 NodeList nl = n.getChildNodes();
196 for (int i = 0; i < nl.getLength(); i++) {
197 Node tst = nl.item(i);
198 if (tst.getNodeName().equalsIgnoreCase(ENV_ENTRY)) {
199 NodeList envitems = tst.getChildNodes();
200 String name = null;
201 String type = null;
202 String value = null;
203 for (int j = 0; j < envitems.getLength(); j++) {
204 Node env = envitems.item(j);
205 String nodename = env.getNodeName();
206 if (nodename.equals(ENV_ENTRY_NAME)) {
207 name = env.getFirstChild().getNodeValue();
208 }
209 else if (nodename.equals(ENV_ENTRY_TYPE)) {
210 type = env.getFirstChild().getNodeValue();
211 }
212 else if (nodename.equals(ENV_ENTRY_VALUE)) {
213 value = env.getFirstChild().getNodeValue();
214 }
215 }
216
217 if (StringUtils.isEmpty(name) || StringUtils.isEmpty(type) || StringUtils.isEmpty(value)) {
218 System.out.println("note: missing one of name/type/value in env-entry");
219 continue;
220 }
221 else if (type.equalsIgnoreCase(JAVA_LANG_STRING)) {
222 hm.put(name, value);
223 }
224 else {
225 try {
226 Class c = Class.forName(type);
227 Constructor cons = c.getConstructor(CONS_PARAMS);
228 Object obj = cons.newInstance(new Object []{ value });
229 hm.put(name, obj);
230 }
231 catch (Exception e) {
232 System.out.println("note (error): " + e.getMessage());
233 }
234 }
235 }
236 }
237 return hm;
238 }
239
240 public static final void main(String [] args) {
242 try {
243 java.io.File f = new java.io.File (args[0]);
244 JarFile jar = new JarFile (f, true, JarFile.OPEN_READ);
245 Document doc = EJBJarUtils.getEJBJarXML(jar);
246 EJBJarUtils.getSessionDescriptors(doc);
247 }
248 catch (Exception e) {
249 e.printStackTrace();
250 }
251 }
252 }
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