hostcontroller.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 699 行 · 第 1/2 页

    }

    if (_regexp != null) {
      // server/0523
      
      Matcher matcher = _regexp.matcher(name);

      if (matcher.matches()) {
	Path rootDirectory = calculateRoot(matcher);

	if (getRootDirectory().equals(rootDirectory))
	  return true;
      }
    }
    
    return false;
  }

  private Path calculateRoot(Matcher matcher)
  {
    // XXX: duplicates HostRegexp

    Thread thread = Thread.currentThread();
    ClassLoader oldLoader = thread.getContextClassLoader();

    try {
      thread.setContextClassLoader(getParentClassLoader());

      if (_rootDirectoryPattern == null) {
	// server/129p
	return Vfs.lookup();
      }
      
      int length = matcher.end() - matcher.start();

      ArrayList<String> vars = new ArrayList<String>();

      HashMap<String,Object> varMap = new HashMap<String,Object>();
        
      for (int j = 0; j <= matcher.groupCount(); j++) {
	vars.add(matcher.group(j));
	varMap.put("host" + j, matcher.group(j));
      }

      varMap.put("regexp", vars);
      varMap.put("host", new TestVar(matcher.group(0), vars));

      Path path = PathBuilder.lookupPath(_rootDirectoryPattern, varMap);
      
      return path;
    } catch (Exception e) {
      log.log(Level.FINE, e.toString(), e);

      // XXX: not quite right
      return Vfs.lookup(_rootDirectoryPattern);
    } finally {
      thread.setContextClassLoader(oldLoader);
    }
  }

  /**
   * Merges two entries.
   */
  protected HostController merge(HostController newController)
  {
    if (getConfig() != null && getConfig().getRegexp() != null)
      return newController;
    else if (newController.getConfig() != null
	     && newController.getConfig().getRegexp() != null)
      return this;
    else {
      Thread thread = Thread.currentThread();
      ClassLoader oldLoader = thread.getContextClassLoader();

      try {
	thread.setContextClassLoader(getParentClassLoader());

	HostController mergedController
	  = new HostController(newController.getHostName(),
			       getRootDirectory(),
			       _container);

	mergedController.mergeController(this);
	mergedController.mergeController(newController);

	if (! isNameMatch(newController.getHostName())
	    && ! newController.isNameMatch(getHostName())) {
	  ConfigException e;

	  e = new ConfigException(L.l("Illegal merge of {0} and {1}.  Both hosts have the same root-directory '{2}'.",
					getHostName(),
					newController.getHostName(),
					getRootDirectory()));

	  log.warning(e.getMessage());
	  log.log(Level.FINEST, e.toString(), e);

	  mergedController.setConfigException(e);
	}

	return mergedController;
      } catch (Throwable e) {
	log.log(Level.FINE, e.toString(), e);
	
	return null;
      } finally {
	thread.setContextClassLoader(oldLoader);
      }
    }
  }

  /**
   * Merges with the old controller.
   */
  protected void mergeController(DeployController oldControllerV)
  {
    super.mergeController(oldControllerV);

    HostController oldController = (HostController) oldControllerV;
    
    _entryHostAliases.addAll(oldController._entryHostAliases);
    if (! oldController.getHostName().equals(""))
      _entryHostAliases.add(oldController.getHostName());
    _entryHostAliasRegexps.addAll(oldController._entryHostAliasRegexps);
    
    _hostAliases.addAll(oldController._hostAliases);
    _hostAliasRegexps.addAll(oldController._hostAliasRegexps);

    if (_regexp == null) {
      _regexp = oldController._regexp;
      _rootDirectoryPattern = oldController._rootDirectoryPattern;
    }
  }

  /**
   * Creates a new instance of the host object.
   */
  protected Host instantiateDeployInstance()
  {
    return new Host(_container, this, _hostName);
  }

  /**
   * Creates the host.
   */
  protected void configureInstance(Host host)
    throws Throwable
  {
    _hostAliases.clear();
    _hostAliases.addAll(_entryHostAliases);

    WebBeansContainer webBeans = WebBeansContainer.create();
    //webBeans.addSingleton(_hostVar, "host", Standard.class);

    for (Map.Entry<String,Object> entry : getVariableMap().entrySet()) {
      Object value = entry.getValue();
      
      if (value != null)
	webBeans.addSingleton(value, entry.getKey(), Standard.class);
    }
    // getVariableMap().put("host-root", getRootDirectory());

    if (_container != null) {
      for (EarConfig config : _container.getEarDefaultList())
	host.addEarDefault(config);

      for (WebAppConfig config : _container.getWebAppDefaultList())
	host.addWebAppDefault(config);
    }

    super.configureInstance(host);
  }

  protected void extendJMXContext(Map<String,String> context)
  {
    context.put("Host", getMBeanId());
  }

  /**
   * Returns the appropriate log for debugging.
   */
  protected Logger getLog()
  {
    return log;
  }

  /**
   * Returns equality.
   */
  public boolean equals(Object o)
  {
    if (! (o instanceof HostController))
      return false;

    HostController entry = (HostController) o;

    return _hostName.equals(entry._hostName);
  }

  /**
   * Returns a printable view.
   */
  public String toString()
  {
    return "HostController[" + getName() + "]";
  }

  /**
   * EL variables for the host.
   */
  public class Var {
    public String getName()
    {
      return HostController.this.getName();
    }
    
    public String getHostName()
    {
      return HostController.this.getHostName();
    }
    
    public String getUrl()
    {
      Host host = getDeployInstance();
      
      if (host != null)
	return host.getURL();
      else if (_hostName.equals(""))
	return "";
      else if (_hostName.startsWith("http:")
	       || _hostName.startsWith("https:"))
	return _hostName;
      else
	return "http://" + _hostName;
    }

    public ArrayList getRegexp()
    {
      return (ArrayList) getVariableMap().get("regexp");
    }
    
    public Path getRoot()
    {
      Host host = getDeployInstance();
      
      if (host != null)
	return host.getRootDirectory();
      else
	return HostController.this.getRootDirectory();
    }
    
    /**
     * @deprecated
     */
    public Path getRootDir()
    {
      return getRoot();
    }

    /**
     * @deprecated
     */
    public Path getRootDirectory()
    {
      return getRoot();
    }
    
    public Path getDocumentDirectory()
    {
      Host host = getDeployInstance();
      
      if (host != null)
	return host.getDocumentDirectory();
      else
	return null;
    }
    
    public Path getDocDir()
    {
      return getDocumentDirectory();
    }
    
    public Path getWarDirectory()
    {
      Host host = getDeployInstance();
      
      if (host != null)
	return host.getWarDir();
      else
	return null;
    }
    
    public Path getWarDir()
    {
      return getWarDirectory();
    }
    
    public Path getWarExpandDirectory()
    {
      Host host = getDeployInstance();
      
      if (host != null)
	return host.getWarExpandDir();
      else
	return null;
    }
    
    public Path getWarExpandDir()
    {
      return getWarExpandDirectory();
    }
    
    public String toString()
    {
      return "Host[" + getId() + "]";
    }
  }

  /**
   * EL variables for the host, when testing for regexp identity .
   */
  public class TestVar {
    private String _name;
    private ArrayList<String> _regexp;

    TestVar(String name, ArrayList<String> regexp)
    {
      _name = name;
      _regexp = regexp;
    }
    
    public String getName()
    {
      return _name;
    }
    
    public String getHostName()
    {
      return _name;
    }
    
    public ArrayList<String> getRegexp()
    {
      // server/13t0
      return _regexp;
    }
  }
}