Examples of org.drools.lang.dsl.DefaultExpander

org.drools.lang.dsl.DefaultExpander
The default expander uses String templates to provide pseudo natural language, as well as general DSLs. For most people, this should do the job just fine.


    /**
     * Returns an expander for DSLs (only if there is a DSL configured for this package).
     */
    public DefaultExpander getDslExpander() {
        DefaultExpander expander = new DefaultExpander();
        if ( this.dslFiles == null || this.dslFiles.isEmpty() ) {
            return null;
        }
        for ( DSLMappingFile file : this.dslFiles ) {
            expander.addDSLMapping( file.getMapping() );
        }
        return expander;
    }

View Full Code Here

    public void addPackageFromDslr( final Resource resource ) throws DroolsParserException,
            IOException {
        this.resource = resource;


        final DrlParser parser = new DrlParser();
        DefaultExpander expander = getDslExpander();


        try {
            if (expander == null) {
                expander = new DefaultExpander();
            }
            String str = expander.expand( resource.getReader() );
            if (expander.hasErrors()) {
                this.results.addAll( expander.getErrors() );
            }


            final PackageDescr pkg = parser.parse( str );
            this.results.addAll( parser.getErrors() );
            if (!parser.hasErrors()) {

View Full Code Here

            Reader knowledge = provider.getKnowledgeReader( resource );


            DrlParser parser = new DrlParser();


            if (provider.hasDSLSentences()) {
                DefaultExpander expander = getDslExpander();


                if (null != expander) {
                    knowledge = new StringReader( expander.expand( knowledge ) );
                    if (expander.hasErrors())
                        this.results.addAll( expander.getErrors() );
                }
            }


            PackageDescr pkg = parser.parse( knowledge );
            if (parser.hasErrors()) {

View Full Code Here

    /**
     * Returns an expander for DSLs (only if there is a DSL configured for this
     * package).
     */
    public DefaultExpander getDslExpander() {
        DefaultExpander expander = new DefaultExpander();
        if (this.dslFiles == null || this.dslFiles.isEmpty()) {
            return null;
        }
        for (DSLMappingFile file : this.dslFiles) {
            expander.addDSLMapping( file.getMapping() );
        }
        return expander;
    }

View Full Code Here

        }


        for (int index = 0; index < children.length; index++) {
            if (file.parseAndLoad(new StringReader(
                    loadResource(children[index])))) {
                final Expander expander = new DefaultExpander();
                expander.addDSLMapping(file.getMapping());
                resolver.addExpander("*", expander);
            } else {
                throw new RuntimeDroolsException(
                        "Error parsing and loading DSL file."
                                + file.getErrors());

View Full Code Here

        DefaultExpanderResolver resolver = new DefaultExpanderResolver(new StringReader(dsl));
        
        
        final DSLMappingFile file = new DSLTokenizedMappingFile();
        if ( file.parseAndLoad( new StringReader(dsl) ) ) {
            final Expander expander = new DefaultExpander();
            expander.addDSLMapping( file.getMapping() );
            resolver.addExpander("*", expander);
        } else {
            throw new RuntimeDroolsException( "Error parsing and loading DSL file." + file.getErrors() );
        }

View Full Code Here

    }


    public void testExpanderErrorsAfterExpansion() throws Exception {


        final String name = "expander_post_errors.dslr";
        final Expander expander = new DefaultExpander();
        final String expanded = expander.expand( this.getReader( name ) );


        final DRLParser parser = parse( name,
                                        expanded );
        parser.compilation_unit();
        assertTrue( parser.hasErrors() );

View Full Code Here

    public void addPackageFromDslr(final Resource resource) throws DroolsParserException,
                                                           IOException {
        this.resource = resource;


        final DrlParser parser = new DrlParser();
        DefaultExpander expander = getDslExpander();


        try {
            if ( expander == null ) {
                expander = new DefaultExpander();
            }
            String str = expander.expand( resource.getReader() );
            if ( expander.hasErrors() ) {
                this.results.addAll( expander.getErrors() );
            }


            final PackageDescr pkg = parser.parse( str );
            this.results.addAll( parser.getErrors() );
            if ( !parser.hasErrors() ) {

View Full Code Here

    try {
          BusinessRuleProvider provider = BusinessRuleProviderFactory.getInstance().getProvider();
          Reader knowledge = provider.getKnowledgeReader(resource);


      DrlParser parser = new DrlParser();
          DefaultExpander expander = getDslExpander();


          if (null != expander) {
            knowledge = new StringReader(expander.expand(knowledge));
            if (expander.hasErrors())
              this.results.addAll(expander.getErrors());
          }


          PackageDescr pkg = parser.parse(knowledge);
          if (parser.hasErrors()) {
            this.results.addAll(parser.getErrors());

View Full Code Here


    /**
     * Returns an expander for DSLs (only if there is a DSL configured for this package).
     */
    public DefaultExpander getDslExpander() {
        DefaultExpander expander = new DefaultExpander();
        if ( this.dslFiles == null || this.dslFiles.isEmpty() ) {
            return null;
        }
        for ( DSLMappingFile file : this.dslFiles ) {
            expander.addDSLMapping( file.getMapping() );
        }
        return expander;
    }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.drools.lang.dsl.DefaultExpander

org.drools.compiler.DrlParserTest

org.drools.compiler.PackageBuilder

org.drools.contrib.DroolsCompilerAntTask

org.drools.eclipse.dsl.editor.DSLRuleEditor2

org.drools.eclipse.dsl.editor.DSLtoDRLDocument

org.drools.guvnor.server.builder.BRMSPackageBuilder

org.drools.guvnor.server.contenthandler.drools.DSLRuleContentHandler

org.drools.guvnor.server.contenthandler.DSLRuleContentHandler

org.drools.lang.ErrorsParserTest

org.drools.lang.RuleParserTest

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.