Examples of org.apache.tomcat.util.hooks.Hooks

org.apache.tomcat.util.hooks.Hooks
Hooks support. Hooks implement a chain-of-command pattern, and are commonly used in most web servers as a mechanism of extensibility. This class doesn't deal with hook invocation - the program is expected to use interfaces or base classes with the hooks beeing methods that are invoked. Reflection-based invocation is very expensive and shouldn't be used. The Hooks class will provide support for registering and maintaining a list of modules implementing each hook. The module can be added automatically to the right lists by using introspection ( if the module implements a certain method, it'll be added to the chain for the hook with the same name ). It is also possible for a module to explicitely register hooks. This class is modeled after Apache2.0 hooks - most web servers are using this pattern, but so far A2.0 has the most flexible and powerfull implementation

      return hooksCache[type];
  }


  // load the cache with all the hooks
  Container globalIntContainer=getContextManager().getContainer();
  Hooks globals=globalIntContainer.getHooks();


  hooksCache=new BaseInterceptor[H_COUNT][];
  for( int i=0; i<H_COUNT; i++ ) {
      Hooks locals=null;
      if( this != globalIntContainer ) {
    hooksCache[i]=mergeHooks( globals.getModules(i),
            getHooks().getModules(i));
      } else {
    hooksCache[i]=mergeHooks( globals.getModules(i), null);

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      return allHooksCache;
  }


  // load the cache with all the hooks
  Container globalIntContainer=getContextManager().getContainer();
  Hooks globals=globalIntContainer.getHooks();
  if( this == globalIntContainer ) {
      allHooksCache=mergeHooks( globals.getModules(), null );
  } else {
      allHooksCache=mergeHooks( globals.getModules(),
              this.getHooks().getModules());
  }
  return allHooksCache;
    }

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    public BaseInterceptor[] getInterceptors( int type )
    {
  if( hooksCache != null ) {
      if( hooksCache[type] == null ) {
    Container gContainer = getContextManager().getContainer();
    Hooks gHooks = gContainer.getHooks();
    if( this != gContainer ) {
        hooksCache[type] = mergeHooks(gHooks.getModules(type),
              getHooks().getModules(type));
    } else {
        hooksCache[type] = mergeHooks(gHooks.getModules(type), null);
    }
      }
      return hooksCache[type];
  }


  // load the cache with all the hooks
  Container globalIntContainer=getContextManager().getContainer();
  Hooks globals=globalIntContainer.getHooks();


  hooksCache=new BaseInterceptor[H_COUNT][];
  for( int i=0; i<H_COUNT; i++ ) {
      Hooks locals=null;
      if( this != globalIntContainer ) {
    hooksCache[i]=mergeHooks( globals.getModules(i),
            getHooks().getModules(i));
      } else {
    hooksCache[i]=mergeHooks( globals.getModules(i), null);

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      return allHooksCache;
  }


  // load the cache with all the hooks
  Container globalIntContainer=getContextManager().getContainer();
  Hooks globals=globalIntContainer.getHooks();
  if( this == globalIntContainer ) {
      allHooksCache=mergeHooks( globals.getModules(), null );
  } else {
      allHooksCache=mergeHooks( globals.getModules(),
              this.getHooks().getModules());
  }
  return allHooksCache;
    }

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org.apache.tomcat.core.Container

java.util.Vector

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