ServerLoader (JBoss System API) - JBoss 3.2.7 system API Documentation 英文版文档

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org.jboss.system.server
Class ServerLoader

java.lang.Object
  org.jboss.system.server.ServerLoader

public class ServerLoader
extends Object

A helper class to load a JBoss server instance.

Basic usage is something like this:

    // setup the basic server config properties
    Properties props = new Properties(System.getProperties());
    props.put(ServerConfig.SERVER_LIBRARY_URL, "http://myserver.com/myjboss/lib/");
    // set some more properties

    // create a new loader to do the dirty work
    ServerLoader loader = new ServerLoader(props);

    // add the jaxp & jmx library to use
    loader.addLibrary("crimson.jar");
    loader.addLibrary("jboss-jmx-core.jar");

    // load and initialize the server instance
    ClassLoader parent = Thread.currentThread().getContextClassLoader();
    Server server = loader.load(parent);
    server.init(props);

    // start up the server
    server.start();

    // go make some coffee, drink a beer or play GTA3
    // ...

    // shutdown and go to sleep
    server.shutdown();

Version:: $Revision: 1.8.2.5 $
Author:: Jason Dillon, Adrian Brock, Scott.Stark@jboss.org

Field Summary

static String DEFAULT_BOOT_LIBRARY_LIST
          The default list of boot libraries.

static String DEFAULT_SERVER_TYPE
          The default server type.

protected List extraClasspath
          A list of extra URLs to add to the classpath when loading the server.

protected URL libraryURL
          The URL where libraries are read from.

protected Properties props
          Configuration properties.

Constructor Summary

ServerLoader(Properties props)
          Construct a ServerLoader.

Method Summary

void addLibraries(String filenames)
          Add a list of comma seperated library file names.

void addLibrary(String filename)
          Add an extra library to the end of list of libraries which will be loaded from the library URL when loading the Server class.

void addURL(URL url)
          Add an extra URL to the classpath used to load the server.

protected Server createServer(String typename, ClassLoader classLoader)
          Construct a new instance of Server, loading all required classes from the given ClossLoader.

protected URL[] getBootClasspath()
          Retruns an array of URLs which will be used to load the core system and construct a new Server object instance.

protected URL getURL(String name)
          Get a URL from configuration or system properties.

Server load(ClassLoader parent)
          Load a Server instance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_BOOT_LIBRARY_LIST

public static final String DEFAULT_BOOT_LIBRARY_LIST

The default list of boot libraries. Does not include the JAXP or JMX impl, users of this class should add the proper libraries.

See Also:: Constant Field Values

DEFAULT_SERVER_TYPE

public static final String DEFAULT_SERVER_TYPE

The default server type.

See Also:: Constant Field Values

props

protected Properties props

Configuration properties.

libraryURL

protected URL libraryURL

The URL where libraries are read from.

extraClasspath

protected List extraClasspath

A list of extra URLs to add to the classpath when loading the server.

Constructor Detail

ServerLoader

public ServerLoader(Properties props)
             throws Exception

Construct a ServerLoader.
Parameters:: props - Configuration properties.
Throws:: Exception - Invalid configuration

Method Detail

addLibrary

public void addLibrary(String filename)
                throws MalformedURLException

Add an extra library to the end of list of libraries which will be loaded from the library URL when loading the Server class.

Parameters:: filename - A filename (no directory parts)
Throws:: MalformedURLException - Could not generate URL from library URL + filename

addLibraries

public void addLibraries(String filenames)
                  throws MalformedURLException

Add a list of comma seperated library file names.

Parameters:: filenames - A list of comma seperated filenames (with no directory parts)
Throws:: MalformedURLException - Could not generate URL from library URL + filename

addURL

public void addURL(URL url)

Add an extra URL to the classpath used to load the server.

Parameters:: url - A URL to add to the classpath.

getURL

protected URL getURL(String name)
              throws MalformedURLException

Get a URL from configuration or system properties.

Throws:: MalformedURLException

getBootClasspath

protected URL[] getBootClasspath()
                          throws MalformedURLException

Retruns an array of URLs which will be used to load the core system and construct a new Server object instance.

Throws:: MalformedURLException

load

public Server load(ClassLoader parent)
            throws Exception

Load a Server instance.

Returns:: An uninitialized (and unstarted) Server instance.
Throws:: Exception - Failed to load or create Server instance.

createServer

protected Server createServer(String typename,
                              ClassLoader classLoader)
                       throws Exception

Construct a new instance of Server, loading all required classes from the given ClossLoader.

Throws:: Exception