Examples of DefaultExpanderResolver

org.drools.compiler.lang.dsl.DefaultExpanderResolver
The default expander resolver will provide instances of the DefaultExpander. The DefaultExpander uses templates to provide DSL and pseudo natural language support.
org.drools.lang.dsl.DefaultExpanderResolver
The default expander resolver will provide instances of the DefaultExpander. The DefaultExpander uses templates to provide DSL and pseudo natural language support.

Examples of org.drools.lang.dsl.DefaultExpanderResolver

   
    @Test
    public void testMultiLineTemplates() throws Exception {
        final Reader source = new InputStreamReader( getClass().getResourceAsStream( "rule_with_expander_multiline.dslr" ) );
        final Reader dsl = new InputStreamReader( getClass().getResourceAsStream( "test_dsl_multiline.dsl" ) );
        Expander ex =  new DefaultExpanderResolver(dsl).get("*", null);
        String r = ex.expand(source);
        assertEquals("when Car(color==\"Red\") then doSomething();", r.trim());
    }

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

   
    @Test
    public void testMultiLineTemplates() throws Exception {
        final Reader source = new InputStreamReader( getClass().getResourceAsStream( "rule_with_expander_multiline.dslr" ) );
        final Reader dsl = new InputStreamReader( getClass().getResourceAsStream( "test_dsl_multiline.dsl" ) );
        Expander ex =  new DefaultExpanderResolver(dsl).get("*", null);
        String r = ex.expand(source);
        assertEquals("when Car(color==\"Red\") then doSomething();", r.trim());
    }

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

     * @throws DroolsParserException
     */
    public PackageDescr parse(boolean isEditor,
                              final String source,
                              final Reader dsl) throws DroolsParserException {
        DefaultExpanderResolver resolver = getDefaultResolver(dsl);


        final Expander expander = resolver.get( "*", null );
        final String expanded = expander.expand( source );
        if ( expander.hasErrors() ) {
            this.results.addAll( expander.getErrors() );
        }
        return this.parse(isEditor, expanded);

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

     * @throws DroolsParserException
     *             If unable to expand in any way.
     */
    public String getExpandedDRL(final String source,
                                 final Reader dsl) throws DroolsParserException {
        DefaultExpanderResolver resolver = getDefaultResolver(dsl);
        return getExpandedDRL(source,
                resolver);
    }

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

    public Location getLocation() {
        return this.location;
    }


    public DefaultExpanderResolver getDefaultResolver(final Reader dsl) throws DroolsParserException {
        DefaultExpanderResolver resolver;
        try {
            resolver = new DefaultExpanderResolver( dsl );
        } catch ( final IOException e ) {
            throw new DroolsParserException( "Error parsing the DSL.",
                                             e );
        }
        return resolver;

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

     * @return
     * @throws DroolsParserException
     */
    public PackageDescr parse(final String source,
                              final Reader dsl) throws DroolsParserException {
        DefaultExpanderResolver resolver;
        try {
            resolver = new DefaultExpanderResolver( dsl );
        } catch ( final IOException e ) {
            throw new DroolsParserException( "Error parsing the DSL.",
                                             e );
        }
        final Expander expander = resolver.get( "*",
                                          null );
        final String expanded = expander.expand( source );
        if ( expander.hasErrors() ) {
            this.results.addAll( expander.getErrors() );
        }

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

     * @param source - the source which use a DSL
     * @param dsl - the DSL itself.
     * @throws DroolsParserException If unable to expand in any way.
     */
    public String getExpandedDRL(final String source, final Reader dsl) throws DroolsParserException {
        DefaultExpanderResolver resolver;
        try {
            resolver = new DefaultExpanderResolver( dsl );
        } catch ( final IOException e ) {
            throw new DroolsParserException( "Error parsing the DSL.",
                                             e );
        }
        final Expander expander = resolver.get( "*",
                                          null );
        final String expanded = expander.expand( source );
        
        if ( expander.hasErrors() ) {
            String err = "";

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

        return dir.list(filter);
    }


    private DefaultExpanderResolver resolveDSLFiles() throws IOException {


        DefaultExpanderResolver resolver = new DefaultExpanderResolver();
        final File dir = new File(this.srcdir.getAbsolutePath());
        DSLMappingFile file = new DSLTokenizedMappingFile();


        FilenameFilter filter = new FilenameFilter() {
            public boolean accept(File dir, String name) {
                return name.endsWith(".dsl");
            }
        };


        String[] children = dir.list(filter);
        if (children.length == 0) {
            throw new BuildException(
                    "There are no DSL files for this directory:"
                            + 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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Examples of org.drools.lang.dsl.DefaultExpanderResolver

     * @throws DroolsParserException
     */
    public PackageDescr parse(final String source,
                              final Reader dsl) throws DroolsParserException {
      
      DefaultExpanderResolver resolver = getDefaultResolver(dsl);
      
        final Expander expander = resolver.get( "*",
                                          null );
        final String expanded = expander.expand( source );
        if ( expander.hasErrors() ) {
            this.results.addAll( expander.getErrors() );
        }

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Examples of org.drools.lang.dsl.DefaultExpanderResolver

     * @param source - the source which use a DSL
     * @param dsl - the DSL itself.
     * @throws DroolsParserException If unable to expand in any way.
     */
    public String getExpandedDRL(final String source, final Reader dsl) throws DroolsParserException {
      DefaultExpanderResolver resolver = getDefaultResolver(dsl);
        return getExpandedDRL(source, resolver);
    }

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