Package org.drools.lang.dsl

Examples of org.drools.lang.dsl.DefaultExpander

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        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() );
        }

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    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() ) {
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            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() ) {
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    /**
     * 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;
    }
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    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());
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    /**
     * 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;
    }
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    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() ) {
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              + this.srcdir.getAbsolutePath());
    }

    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());
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    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() ) {
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            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() ) {
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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
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