org.apache.catalina.startup.Bootstrap Java Examples

@Override
protected void initInternal() throws LifecycleException {
    super.initInternal();

    // Kerberos configuration file location
    String krb5Conf = System.getProperty(Constants.KRB5_CONF_PROPERTY);
    if (krb5Conf == null) {
        // System property not set, use the Tomcat default
        File krb5ConfFile = new File(Bootstrap.getCatalinaBase(),
                Constants.DEFAULT_KRB5_CONF);
        System.setProperty(Constants.KRB5_CONF_PROPERTY,
                krb5ConfFile.getAbsolutePath());
    }

    // JAAS configuration file location
    String jaasConf = System.getProperty(Constants.JAAS_CONF_PROPERTY);
    if (jaasConf == null) {
        // System property not set, use the Tomcat default
        File jaasConfFile = new File(Bootstrap.getCatalinaBase(),
                Constants.DEFAULT_JAAS_CONF);
        System.setProperty(Constants.JAAS_CONF_PROPERTY,
                jaasConfFile.getAbsolutePath());
    }
}
 

@Override
protected void initInternal() throws LifecycleException {
    super.initInternal();

    // Kerberos configuration file location
    String krb5Conf = System.getProperty(Constants.KRB5_CONF_PROPERTY);
    if (krb5Conf == null) {
        // System property not set, use the Tomcat default
        File krb5ConfFile = new File(Bootstrap.getCatalinaBase(),
                Constants.DEFAULT_KRB5_CONF);
        System.setProperty(Constants.KRB5_CONF_PROPERTY,
                krb5ConfFile.getAbsolutePath());
    }

    // JAAS configuration file location
    String jaasConf = System.getProperty(Constants.JAAS_CONF_PROPERTY);
    if (jaasConf == null) {
        // System property not set, use the Tomcat default
        File jaasConfFile = new File(Bootstrap.getCatalinaBase(),
                Constants.DEFAULT_JAAS_CONF);
        System.setProperty(Constants.JAAS_CONF_PROPERTY,
                jaasConfFile.getAbsolutePath());
    }
}
 

/**
 * This method gets invoked reflectively from the Tomcat harness so as to
 * avoid classloader strangeness. It would be more correct to use an enum for
 * the 'function' parameter, but we have classloader issues, so a string makes
 * life easier.
 * 
 * @param function The function to perform , one of
 * "prepare","startIteration", "stopIteration","cleanup".
 * @throws Exception Passed back from the Tomcat bootstrap
 */
public void exec(String function) throws Exception {
  if (function.equals("prepare")) {
    Bootstrap.main(new String[] { "startd" });
  } else if (function.equals("startIteration")) {
    startServer();
  } else if (function.equals("stopIteration")) {
    stopServer();
  } else if (function.equals("cleanup")) {
    Bootstrap.main(new String[] { "stopd" });
  }
}
 

public static void main(String[] args) throws Exception {
   // Using Boostrap class to boot the common.loader and other catalina specific
   // class loaders.
   Bootstrap bootstrap = new Bootstrap();
   bootstrap.init();

   // Now we need to add the sqoop webapp classes into the class loader. Sadly
   // we have to do a lot of things ourselves. The procedure is:
	// 1) Unpack Sqoop war file
	// 2) Build the ClassLoader using Tomcat's ClassLoaderFactory

	// Various paths to war file and locations inside the war file
	String webappPath = System.getProperty(PROPERTY_APPBASE_PATH,
			DEFAULT_APPBASE_PATH);
	String catalinaBase = Bootstrap.getCatalinaBase();
	String fullWebappPath = catalinaBase + File.separator + webappPath;
	String fullSqoopWarPath = fullWebappPath + File.separator + "sqoop.war";
	String fullSqoopClassesPath = fullWebappPath + File.separator + "sqoop"
			+ File.separator + "WEB-INF" + File.separator + "classes";
	String fullSqoopLibPath = fullWebappPath + File.separator + "sqoop"
			+ File.separator + "WEB-INF" + File.separator + "lib";

	// Expand the war into the usual location, this operation is idempotent
	// (nothing bad happens if it's already expanded)
	Embedded embedded = new Embedded();
	Host host = embedded.createHost("Sqoop Tool Virtual Host",
			fullWebappPath);
	ExpandWar
			.expand(host, new URL("jar:file://" + fullSqoopWarPath + "!/"));

	// We have expanded war file, so we build the classloader from
	File[] unpacked = new File[1];
	unpacked[0] = new File(fullSqoopClassesPath);
	
	File[] packed = new File[1];
	packed[0] = new File(fullSqoopLibPath);
	
	ClassLoader loader = ClassLoaderFactory.createClassLoader(unpacked,
			packed, Thread.currentThread().getContextClassLoader());
	Thread.currentThread().setContextClassLoader(loader);

	// Finally we can call the usual ToolRunner. We have to use reflection
	// as
	// as the time of loading this class, Sqoop dependencies are not on
	// classpath.
	Class klass = Class.forName("org.apache.sqoop.tools.ToolRunner", true,
			loader);
	Method method = klass.getMethod("main", String[].class);
	method.invoke(null, (Object) args);
}