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1
22 package org.jboss.services.binding;
23
24 import java.io.File  ;
25 import java.io.FileOutputStream ;
26 import java.io.StringReader ;
27
28 import javax.management.Attribute ;
29 import javax.management.MBeanServer ;
30 import javax.management.ObjectName ;
31 import javax.xml.transform.Result ;
32 import javax.xml.transform.Source ;
33 import javax.xml.transform.Transformer ;
34 import javax.xml.transform.TransformerFactory ;
35 import javax.xml.transform.stream.StreamResult ;
36 import javax.xml.transform.stream.StreamSource ;
37
38 import org.jboss.logging.Logger;
39 import org.jboss.system.server.ServerConfig;
40 import org.jboss.metadata.MetaData;
41 import org.jboss.util.StringPropertyReplacer;
42 import org.w3c.dom.Element ;
43 import org.w3c.dom.NodeList ;
44
45
68 public class XSLTFileDelegate implements ServicesConfigDelegate
69 {
70 private static Logger log = Logger.getLogger(XSLTFileDelegate.class);
71
72
78 public void applyConfig(ServiceConfig config, MBeanServer server)
79 throws Exception
80 {
81 Element delegateConfig =
82 (Element ) config.getServiceConfigDelegateConfig();
83 if (delegateConfig == null)
84 {
85 throw new IllegalArgumentException ("ServiceConfig.ServiceConfigDelegateConfig is null");
86 }
87
88 Element xslConfigElement =
89 (Element ) delegateConfig.getElementsByTagName("xslt-config").item(0);
90 if (xslConfigElement == null)
91 {
92 throw new IllegalArgumentException ("No valid xslt config found");
93 }
94
95 String configName = xslConfigElement.getAttribute("configName");
96 log.debug("configName = " + configName);
97
98 if (configName.length() == 0)
99 {
100 throw new IllegalArgumentException ("No valid configName attribute found");
101 }
102
103 ObjectName serviceName = new ObjectName (config.getServiceName());
104 log.debug("serviceName = " + serviceName);
105
106 String oldValue = (String ) server.getAttribute(serviceName, configName);
107 log.debug("oldValue = " + oldValue);
108
109 String tmpName = System.getProperty(ServerConfig.SERVER_TEMP_DIR);
110 File tempDirectory = new File (tmpName);
111 File targetFile = File.createTempFile("server", ".xml", tempDirectory);
112 targetFile.deleteOnExit();
113 log.debug("targetFile: " + targetFile.getCanonicalPath());
114
115 ServiceBinding[] bindings = config.getBindings();
116 if (bindings == null || bindings.length == 0)
117 {
118 throw new IllegalArgumentException ("No port binding specified");
119 }
120
121 int port = bindings[0].getPort();
122 String host = bindings[0].getHostName();
123
124 try
125 {
126 String xslText = xslConfigElement.getFirstChild().getNodeValue();
127 log.trace("XSL text:" + xslText);
128 Source xslSource = new StreamSource (new StringReader (xslText));
129
130 Source xmlSource =
131 new StreamSource (getClass().getClassLoader().getResourceAsStream(oldValue));
132
133 Result xmlResult =
134 new StreamResult (new FileOutputStream (targetFile));
135
136 TransformerFactory factory = TransformerFactory.newInstance();
137 Transformer transformer = factory.newTransformer(xslSource);
138
139 transformer.setParameter("port", new Integer (port));
140 log.debug("set port parameter to:"+port);
141 if (host != null)
142 {
143 transformer.setParameter("host", host);
144 log.debug("set host parameter to:"+host);
145 }
146
147 NodeList attributes = delegateConfig.getElementsByTagName("xslt-param");
149 for(int a = 0; a < attributes.getLength(); a ++)
151 {
152 Element attr = (Element ) attributes.item(a);
153 String name = attr.getAttribute("name");
154 if( name.length() == 0 )
155 throw new IllegalArgumentException ("attribute element #"
156 +a+" has no name attribute");
157 String attrExp = MetaData.getElementContent(attr);
158 String attrValue = StringPropertyReplacer.replaceProperties(attrExp);
159 transformer.setParameter(name, attrValue);
160
161 log.debug("set "+name+" parameter to:"+attrValue);
162 }
163
164 transformer.transform(xmlSource, xmlResult);
165
166 Attribute mbeanConfigAttr =
167 new Attribute (configName, targetFile.getCanonicalPath());
168
169 server.setAttribute(serviceName, mbeanConfigAttr);
170 }
171 catch (Exception ex)
172 {
173 log.error("Error while transforming xml", ex);
174 }
175
176 }
177
178 }
179 |
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