start/CatalinaActivator.java

   1 package org.argeo.catalina.start;
   2
   3 import java.io.File;
   4 import java.io.InputStream;
   5 import java.net.URL;
   6 import java.util.Properties;
   7
   8 import org.apache.commons.io.IOUtils;
   9 import org.apache.commons.logging.Log;
  10 import org.apache.commons.logging.LogFactory;
  11 import org.osgi.framework.BundleContext;
  12 import org.springframework.osgi.web.tomcat.internal.Activator;
  13
  14 /** Starts Catalina (hacked from Spring OSGi 1.0) */
  15 public class CatalinaActivator extends Activator {
  16         private final static Log log = LogFactory.getLog(CatalinaActivator.class);
  17
  18         private final static String ARGEO_OSGI_DATA_DIR = "argeo.osgi.data.dir";
  19         /** System properties used to override Tomcat XML config URL */
  20         public final static String ARGEO_SERVER_TOMCAT_CONFIG = "argeo.server.tomcat.config";
  21
  22         public void start(BundleContext context) throws Exception {
  23                 if (!System.getProperties().containsKey(ARGEO_OSGI_DATA_DIR)) {
  24                         String osgiInstanceArea = System.getProperty("osgi.instance.area");
  25                         String osgiInstanceAreaDefault = System
  26                                         .getProperty("osgi.instance.area.default");
  27                         String tempDir = System.getProperty("java.io.tmpdir");
  28
  29                         File dataDir = null;
  30                         if (osgiInstanceArea != null) {
  31                                 // within OSGi with -data specified
  32                                 osgiInstanceArea = removeFilePrefix(osgiInstanceArea);
  33                                 dataDir = new File(osgiInstanceArea);
  34                         } else if (osgiInstanceAreaDefault != null) {
  35                                 // within OSGi without -data specified
  36                                 osgiInstanceAreaDefault = removeFilePrefix(osgiInstanceAreaDefault);
  37                                 dataDir = new File(osgiInstanceAreaDefault);
  38                         } else {// outside OSGi
  39                                 dataDir = new File(tempDir + File.separator + "osgiData");
  40                         }
  41
  42                         System.setProperty(ARGEO_OSGI_DATA_DIR, dataDir.getAbsolutePath());
  43                 }
  44
  45                 // Load config properties and put them in system properties so that they
  46                 // can be used in tomcat conf
  47                 Properties confProps = new Properties();
  48                 URL propsUrl = context.getBundle().getResource("tomcat.properties");
  49                 if (propsUrl != null) {
  50                         InputStream in = null;
  51                         try {
  52                                 in = propsUrl.openStream();
  53                                 confProps.load(in);
  54                         } catch (Exception e) {
  55                                 throw new RuntimeException("Cannot read catalina properties.",
  56                                                 e);
  57                         } finally {
  58                                 IOUtils.closeQuietly(in);
  59                         }
  60
  61                         for (Object key : confProps.keySet()) {
  62                                 // System properties have priority
  63                                 if (!System.getProperties().containsKey(key)) {
  64                                         System.setProperty(key.toString(),
  65                                                         confProps.getProperty(key.toString()));
  66                                 }
  67                         }
  68                 }
  69
  70                 // calling Catalina.setCatalinaHome(String) or
  71                 // Catalina.setCatalinaBase(String) does the same
  72                 if (System.getProperty("catalina.home") == null)
  73                         System.setProperty("catalina.home",
  74                                         System.getProperty(ARGEO_OSGI_DATA_DIR) + "/tomcat");
  75                 if (System.getProperty("catalina.base") == null)
  76                         System.setProperty("catalina.base",
  77                                         System.getProperty(ARGEO_OSGI_DATA_DIR) + "/tomcat");
  78
  79                 // Make sure directories are created
  80                 File catalinaDir = new File(System.getProperty("catalina.home"));
  81                 if (!catalinaDir.exists()) {
  82                         catalinaDir.mkdirs();
  83                         if (log.isDebugEnabled())
  84                                 log.debug("Created Tomcat directory " + catalinaDir);
  85                 }
  86
  87                 // Call Spring starter
  88                 super.start(context);
  89         }
  90
  91         @Override
  92         public void stop(BundleContext context) throws Exception {
  93                 super.stop(context);
  94         }
  95
  96         protected String removeFilePrefix(String url) {
  97                 if (url.startsWith("file:"))
  98                         return url.substring("file:".length());
  99                 else if (url.startsWith("reference:file:"))
 100                         return url.substring("reference:file:".length());
 101                 else
 102                         return url;
 103         }
 104
 105 }