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From cos...@apache.org
Subject cvs commit: jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/compiler TldLocationsCache.java
Date Thu, 20 Jun 2002 23:00:44 GMT
costin      2002/06/20 16:00:43

  Modified:    jasper2/src/share/org/apache/jasper/compiler
                        TldLocationsCache.java
  Log:
  Added some code to allow the caching of the TldLibraryInfo. On apps with many
  pages and many taglibs it is a waste of time to read/parse the same tld
  on every page.
  
  Revision  Changes    Path
  1.4       +25 -2     jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/compiler/TldLocationsCache.java
  
  Index: TldLocationsCache.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/compiler/TldLocationsCache.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- TldLocationsCache.java	5 Jun 2002 23:18:33 -0000	1.3
  +++ TldLocationsCache.java	20 Jun 2002 23:00:43 -0000	1.4
  @@ -130,20 +130,30 @@
        */
       private Hashtable mappings = new Hashtable();
   
  +    private Hashtable tlds = new Hashtable();
  +
  +    private boolean initialized=false;
  +    ServletContext ctxt;
       //*********************************************************************
       // Constructor and Initilizations
  -
  +    
       public TldLocationsCache(ServletContext ctxt) {
  +        this.ctxt=ctxt;
  +    }
  +
  +    private void init() {
  +        if( initialized ) return;
           try {
               processWebDotXml(ctxt);
               processJars(ctxt);
  +            initialized=true;
           } catch (JasperException ex) {
               Constants.message("jsp.error.internal.tldinit",
                                 new Object[] { ex.getMessage() },
                                 Logger.ERROR);
           }
       }
  -
  +    
       private void processWebDotXml(ServletContext ctxt)
           throws JasperException
       {
  @@ -305,6 +315,7 @@
       public String[] getLocation(String uri) 
           throws JasperException
       {
  +        if( ! initialized ) init();
           return (String[])mappings.get(uri);
       }
   
  @@ -327,6 +338,18 @@
           }
       }
   
  +    public TagLibraryInfo getTagLibraryInfo( String uri ) {
  +        if( ! initialized ) init();
  +        Object o=tlds.get( uri );
  +        if( o==null ) return null;
  +        return (TagLibraryInfo)o;
  +    }
  +
  +    public void addTagLibraryInfo( String uri, TagLibraryInfo tld ) {
  +        if( ! initialized ) init();
  +        tlds.put( uri, tld);
  +    }
  +    
       private void p(String s) {
           System.out.println("[TldLocationsCache] " + s);
       }
  
  
  

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