Package org.apache.velocity.runtime.parser.node

Examples of org.apache.velocity.runtime.parser.node.SimpleNode

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    public boolean evaluate( Context context, Writer writer,
                                    String logTag, Reader reader )
        throws ParseErrorException, MethodInvocationException,
          ResourceNotFoundException,IOException
    {
        SimpleNode nodeTree = null;
       
        try
        {
            nodeTree = ri.parse( reader, logTag );       
        }
        catch ( ParseException pex )
        {
            throw  new ParseErrorException( pex.getMessage() );
        }               
    
        /*
         * now we want to init and render
         */

        if (nodeTree != null)
        {
            InternalContextAdapterImpl ica =
                new InternalContextAdapterImpl( context );
           
            ica.pushCurrentTemplateName( logTag );
           
            try
            {
                try
                {
                    nodeTree.init( ica, ri );
                }
                catch( Exception e )
                {
                    ri.error("Velocity.evaluate() : init exception for tag = "
                                  + logTag + " : " + e );
                }
               
                /*
                 *  now render, and let any exceptions fly
                 */

                nodeTree.render( ica, writer );
            }
            finally
            {
                ica.popCurrentTemplateName();
            }
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    public static boolean evaluate( Context context, Writer writer,
                                    String logTag, Reader reader )
        throws ParseErrorException, MethodInvocationException,  
          ResourceNotFoundException,IOException
    {
        SimpleNode nodeTree = null;
       
        try
        {
            nodeTree = RuntimeSingleton.parse( reader, logTag );       
        }
        catch ( ParseException pex )
        {
            throw  new ParseErrorException( pex.getMessage() );
        }               
    
        /*
         * now we want to init and render
         */

        if (nodeTree != null)
        {
            InternalContextAdapterImpl ica =
                new InternalContextAdapterImpl( context );
           
            ica.pushCurrentTemplateName( logTag );
           
            try
            {
                try
                {
                    nodeTree.init( ica, RuntimeSingleton.getRuntimeServices() );
                }
                catch( Exception e )
                {
                    RuntimeSingleton.error("Velocity.evaluate() : init exception for tag = "
                                  + logTag + " : " + e );
                }
               
                /*
                 *  now render, and let any exceptions fly
                 */

                nodeTree.render( ica, writer );
            }
            finally
            {
                ica.popCurrentTemplateName();
            }
View Full Code Here
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         *  find if we have an AST where the xpath expression mathes
         *  for this node
         */

        Node dom4jnode = (Node) node.getNodeImpl();
        SimpleNode sn = null;

        for( int i = 0; i < xpathList.size(); i++ )
        {
            Map m = (Map) xpathList.get(i);

            Rule xpathrule = (Rule) m.get("rule");

            if( xpathrule.matches( dom4jnode ) )
            {
                sn = (SimpleNode) m.get( "ast" );
                //System.out.println("using : " + (String) m.get("xpath") );

                break;
            }
        }

        if( sn == null)
            ; //System.out.println("Yikes : failed to find ast for '" + node.getName() );

        /*
         *  if we found something, render
         */

        if( sn != null)
        {
            InternalContextAdapterImpl ica =
                new InternalContextAdapterImpl( context );

            ica.pushCurrentTemplateName( node.name() );

            try
            {
                sn.render( ica, writer );
            }
            finally
            {
                ica.popCurrentTemplateName();
            }
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                getLog().error("Could not auto-initialize Velocity", e);
                throw new IllegalStateException("Velocity could not be initialized!");
            }
        }

        SimpleNode ast = null;
        Parser parser = (Parser) parserPool.get();
        boolean madeNew = false;

        if (parser == null)
        {
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        if (logTag == null)
        {
            throw new NullPointerException("logTag (i.e. template name) cannot be null, you must provide an identifier for the content being evaluated");
        }

        SimpleNode nodeTree = null;
        try
        {
            nodeTree = parse(reader, logTag);
        }
        catch (ParseException pex)
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        if (logTag == null)
        {
            throw new NullPointerException("logTag (i.e. template name) cannot be null, you must provide an identifier for the content being evaluated");
        }

        SimpleNode nodeTree = null;
        try
        {
            nodeTree = parse(reader, logTag);
        }
        catch (ParseException pex)
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        if (logTag == null)
        {
            throw new NullPointerException("logTag (i.e. template name) cannot be null, you must provide an identifier for the content being evaluated");
        }

        SimpleNode nodeTree = null;
        try
        {
            nodeTree = parse(reader, logTag);
        }
        catch (ParseException pex)
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                getLog().error("Could not auto-initialize Velocity", e);
                throw new IllegalStateException("Velocity could not be initialized!");
            }
        }

        SimpleNode ast = null;
        Parser parser = (Parser) parserPool.get();

        if (parser == null)
        {
            /*
 
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         *  find if we have an AST where the xpath expression mathes
         *  for this node
         */

        Node dom4jnode = (Node) node.getNodeImpl();
        SimpleNode sn = null;

        for( int i = 0; i < xpathList.size(); i++ )
        {
            Map m = (Map) xpathList.get(i);

            Rule xpathrule = (Rule) m.get("rule");

            if( xpathrule.matches( dom4jnode ) )
            {
                sn = (SimpleNode) m.get( "ast" );
                //System.out.println("using : " + (String) m.get("xpath") );
                          
                break;
            }
        }
       
        if( sn == null)
            ; //System.out.println("Yikes : failed to find ast for '" + node.getName() );
       
        /*
         *  if we found something, render
         */

        if( sn != null)
        {
            InternalContextAdapterImpl ica =
                new InternalContextAdapterImpl( context );
           
            ica.pushCurrentTemplateName( node.name() );
           
            try
            {
                sn.render( ica, writer );
            }
            finally
            {
                ica.popCurrentTemplateName();
            }
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    public static boolean evaluate( Context context, Writer writer,
                                    String logTag, Reader reader )
        throws ParseErrorException, MethodInvocationException,
            ResourceNotFoundException,IOException
    {
        SimpleNode nodeTree = null;

        try
        {
            nodeTree = RuntimeSingleton.parse( reader, logTag );
        }
        catch ( ParseException pex )
        {
            throw  new ParseErrorException( pex );
        }

        /*
         * now we want to init and render
         */

        if (nodeTree != null)
        {
            InternalContextAdapterImpl ica =
                new InternalContextAdapterImpl( context );

            ica.pushCurrentTemplateName( logTag );

            try
            {
                try
                {
                    nodeTree.init( ica, RuntimeSingleton.getRuntimeServices() );
                }
                catch( Exception e )
                {
                    getLog().error("Velocity.evaluate() : init exception for tag = "+logTag, e);
                }

                /*
                 *  now render, and let any exceptions fly
                 */

                nodeTree.render( ica, writer );
            }
            finally
            {
                ica.popCurrentTemplateName();
            }
View Full Code Here
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