Examples with DrlParser org.drools.drl.parser.DrlParser used on opensource projects

Example 26 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class DumperTestHelper method dump.

public static String dump(String filename) throws Exception {
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL6);
    final PackageDescr pkgOriginal = parser.parse(new InputStreamReader(DumperTestHelper.class.getResourceAsStream(filename)));
    final DrlDumper dumper = new DrlDumper();
    return dumper.dump(pkgOriginal);
}

Example 27 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class DumperTestHelper method DrlFile.

public static void DrlFile(String filename) throws Exception {
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    final PackageDescr pkgOriginal = parser.parse(new InputStreamReader(DumperTestHelper.class.getResourceAsStream(filename)));
    final DrlDumper dumper = new DrlDumper();
    String result1 = dumper.dump(pkgOriginal);
    final PackageDescr pkgDerivated = parser.parse(new StringReader(result1));
    String result2 = dumper.dump(pkgDerivated);
    System.out.println(result1);
    Assertions.assertThat(result1).isEqualToIgnoringWhitespace(result2);
}

Example 28 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class DumperTest method checkRoundtrip.

private void checkRoundtrip(String drl) throws DroolsParserException {
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL6);
    final PackageDescr pkgOriginal = parser.parse(false, drl);
    final DrlDumper dumper = new DrlDumper();
    String out = dumper.dump(pkgOriginal);
    Assertions.assertThat(drl).isEqualToIgnoringWhitespace(out);
}

Example 29 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class DrlParserTest method testExpandDRLUsingInjectedExpander.

@Test
public void testExpandDRLUsingInjectedExpander() throws Exception {
    String dsl = "[condition]Something=Something()" + NL + "[then]another=another();";
    String drl = "rule 'foo' " + NL + " when " + NL + " Something " + NL + " then " + NL + " another " + NL + "end";
    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 RuntimeException("Error parsing and loading DSL file." + file.getErrors());
    }
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    String result = parser.getExpandedDRL(drl, resolver);
    Assertions.assertThat("rule 'foo' " + NL + " when " + NL + " Something() " + NL + " then " + NL + " another(); " + NL + "end").isEqualToIgnoringWhitespace(result);
}

Example 30 with DrlParser

use of org.drools.drl.parser.DrlParser in project drools by kiegroup.

the class DrlParserTest method testExpandDRL.

@Test
public void testExpandDRL() throws Exception {
    String dsl = "[condition]Something=Something()" + NL + "[then]another=another();";
    String drl = "rule 'foo' " + NL + " when " + NL + " Something " + NL + " then " + NL + " another " + NL + "end";
    DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    String result = parser.getExpandedDRL(drl, new StringReader(dsl));
    Assertions.assertThat("rule 'foo' " + NL + " when " + NL + " Something() " + NL + " then " + NL + " another(); " + NL + "end").isEqualToIgnoringWhitespace(result);
}