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

Example 1 with ParserError

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

the class ParserTest method testErrorsParser.

@Test
public void testErrorsParser() throws Exception {
    final DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
    assertEquals(0, parser.getErrors().size());
    parser.parse(new InputStreamReader(getClass().getResourceAsStream("errors_parser_multiple.drl")));
    assertTrue(parser.hasErrors());
    assertTrue(parser.getErrors().size() > 0);
    assertTrue(parser.getErrors().get(0) instanceof ParserError);
    final ParserError first = ((ParserError) parser.getErrors().get(0));
    assertTrue(first.getMessage() != null);
    assertFalse(first.getMessage().equals(""));
}

Example 2 with ParserError

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

the class KnowledgeBuilderImpl method addPackageFromDrl.

/**
 * Load a rule package from DRL source and associate all loaded artifacts
 * with the given resource.
 *
 * @param reader
 * @param sourceResource the source resource for the read artifacts
 * @throws DroolsParserException
 */
public void addPackageFromDrl(final Reader reader, final Resource sourceResource) throws DroolsParserException, IOException {
    this.resource = sourceResource;
    final DrlParser parser = new DrlParser(configuration.getLanguageLevel());
    final PackageDescr pkg = parser.parse(sourceResource, reader);
    this.results.addAll(parser.getErrors());
    if (pkg == null) {
        addBuilderResult(new ParserError(sourceResource, "Parser returned a null Package", 0, 0));
    }
    if (!parser.hasErrors()) {
        addPackage(pkg);
    }
    this.resource = null;
}

Example 3 with ParserError

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

the class KnowledgeBuilderImpl method generatedDrlToPackageDescr.

private PackageDescr generatedDrlToPackageDescr(Resource resource, String generatedDrl) throws DroolsParserException {
    // dump the generated DRL if the dump dir was configured
    if (this.configuration.getDumpDir() != null) {
        dumpDrlGeneratedFromDTable(this.configuration.getDumpDir(), generatedDrl, resource.getSourcePath());
    }
    DrlParser parser = new DrlParser(configuration.getLanguageLevel());
    PackageDescr pkg = parser.parse(resource, new StringReader(generatedDrl));
    this.results.addAll(parser.getErrors());
    if (pkg == null) {
        addBuilderResult(new ParserError(resource, "Parser returned a null Package", 0, 0));
    } else {
        pkg.setResource(resource);
    }
    return parser.hasErrors() ? null : pkg;
}

Example 4 with ParserError

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

the class KnowledgeBuilderImpl method drlToPackageDescr.

PackageDescr drlToPackageDescr(Resource resource) throws DroolsParserException, IOException {
    PackageDescr pkg;
    boolean hasErrors = false;
    if (resource instanceof DescrResource) {
        pkg = (PackageDescr) ((DescrResource) resource).getDescr();
    } else {
        final DrlParser parser = new DrlParser(configuration.getLanguageLevel());
        pkg = parser.parse(resource);
        this.results.addAll(parser.getErrors());
        if (pkg == null) {
            addBuilderResult(new ParserError(resource, "Parser returned a null Package", 0, 0));
        }
        hasErrors = parser.hasErrors();
    }
    if (pkg != null) {
        pkg.setResource(resource);
    }
    return hasErrors ? null : pkg;
}

Example 5 with ParserError

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

the class KnowledgeBuilderImpl method validateUniqueRuleNames.

protected void validateUniqueRuleNames(final PackageDescr packageDescr) {
    final Set<String> names = new HashSet<>();
    PackageRegistry packageRegistry = this.pkgRegistryMap.get(packageDescr.getNamespace());
    InternalKnowledgePackage pkg = null;
    if (packageRegistry != null) {
        pkg = packageRegistry.getPackage();
    }
    for (final RuleDescr rule : packageDescr.getRules()) {
        validateRule(packageDescr, rule);
        final String name = rule.getName();
        if (names.contains(name)) {
            addBuilderResult(new ParserError(rule.getResource(), "Duplicate rule name: " + name, rule.getLine(), rule.getColumn(), packageDescr.getNamespace()));
        }
        if (pkg != null) {
            RuleImpl duplicatedRule = pkg.getRule(name);
            if (duplicatedRule != null) {
                Resource resource = rule.getResource();
                Resource duplicatedResource = duplicatedRule.getResource();
                if (resource == null || duplicatedResource == null || duplicatedResource.getSourcePath() == null || duplicatedResource.getSourcePath().equals(resource.getSourcePath())) {
                    addBuilderResult(new DuplicateRule(rule, packageDescr, this.configuration));
                } else {
                    addBuilderResult(new ParserError(rule.getResource(), "Duplicate rule name: " + name, rule.getLine(), rule.getColumn(), packageDescr.getNamespace()));
                }
            }
        }
        names.add(name);
    }
}