Examples with Nullable org.jetbrains.annotations.Nullable used on opensource projects

Example 11 with Nullable

use of org.jetbrains.annotations.Nullable in project languagetool by languagetool-org.

the class PatternRuleQueryBuilder method getPosQueryOrNull.

@Nullable
private BooleanClause getPosQueryOrNull(PatternToken patternToken, String pos) throws UnsupportedPatternRuleException {
    if (pos == null || pos.isEmpty()) {
        return null;
    }
    Query posQuery;
    Term posQueryTerm;
    if (patternToken.getPOSNegation() || patternToken.getMinOccurrence() == 0) {
        // we need to ignore this - negation, if any, must happen at the same position
        return null;
    } else if (patternToken.isPOStagRegularExpression()) {
        posQueryTerm = getQueryTerm(patternToken, POS_PREFIX + "(", pos, ")");
        posQuery = getRegexQuery(posQueryTerm, pos, patternToken);
    } else {
        posQueryTerm = getQueryTerm(patternToken, POS_PREFIX, pos, "");
        posQuery = new TermQuery(posQueryTerm);
    }
    return new BooleanClause(posQuery, BooleanClause.Occur.MUST);
}

Example 12 with Nullable

use of org.jetbrains.annotations.Nullable in project languagetool by languagetool-org.

the class JLanguageTool method getBuildDate.

/**
   * Returns the build date or {@code null} if not run from JAR.
   */
@Nullable
private static String getBuildDate() {
    try {
        URL res = JLanguageTool.class.getResource(JLanguageTool.class.getSimpleName() + ".class");
        if (res == null) {
            // this will happen on Android, see http://stackoverflow.com/questions/15371274/
            return null;
        }
        Object connObj = res.openConnection();
        if (connObj instanceof JarURLConnection) {
            JarURLConnection conn = (JarURLConnection) connObj;
            Manifest manifest = conn.getManifest();
            return manifest.getMainAttributes().getValue("Implementation-Date");
        } else {
            return null;
        }
    } catch (IOException e) {
        throw new RuntimeException("Could not get build date from JAR", e);
    }
}

Example 13 with Nullable

use of org.jetbrains.annotations.Nullable in project languagetool by languagetool-org.

the class LanguageIdentifier method detectLanguageCode.

/**
   * @return language or {@code null} if language could not be identified
   */
@Nullable
private String detectLanguageCode(String text) {
    TextObject textObject = textObjectFactory.forText(text);
    Optional<LdLocale> lang = languageDetector.detect(textObject);
    //System.out.println(languageDetector.getProbabilities(textObject));
    if (lang.isPresent()) {
        return lang.get().getLanguage();
    } else {
        return null;
    }
}

Example 14 with Nullable

use of org.jetbrains.annotations.Nullable in project languagetool by languagetool-org.

the class SubjectVerbAgreementRule method getPluralMatchOrNull.

@Nullable
private RuleMatch getPluralMatchOrNull(AnalyzedTokenReadings[] tokens, int i, AnalyzedTokenReadings token, String tokenStr) {
    if (plural.contains(tokenStr)) {
        AnalyzedTokenReadings prevToken = tokens[i - 1];
        List<ChunkTag> prevChunkTags = prevToken.getChunkTags();
        boolean match = prevChunkTags.contains(NPS) && !prevChunkTags.contains(NPP) && !prevChunkTags.contains(PP) && !isCurrency(prevToken) && prevChunkIsNominative(tokens, i - 1) && !hasUnknownTokenToTheLeft(tokens, i) && !hasUnknownTokenToTheRight(tokens, i + 1) && // z.B. "Die Zielgruppe sind Männer." - beides Nominativ, aber 'Männer' ist das Subjekt
        !isFollowedByNominativePlural(tokens, i + 1);
        if (match) {
            String message = "Bitte prüfen, ob hier <suggestion>" + getSingularFor(tokenStr) + "</suggestion> stehen sollte.";
            return new RuleMatch(this, token.getStartPos(), token.getEndPos(), message);
        }
    }
    return null;
}

Example 15 with Nullable

use of org.jetbrains.annotations.Nullable in project languagetool by languagetool-org.

the class UppercaseNounReadingFilter method acceptRuleMatch.

@Nullable
@Override
public RuleMatch acceptRuleMatch(RuleMatch match, Map<String, String> arguments, AnalyzedTokenReadings[] patternTokens) {
    String token = arguments.get("token");
    if (token == null) {
        throw new RuntimeException("Set 'token' for filter " + UppercaseNounReadingFilter.class.getName() + " in rule " + match.getRule().getId());
    }
    try {
        String uppercase = StringTools.uppercaseFirstChar(token);
        List<AnalyzedTokenReadings> tags = tagger.tag(Collections.singletonList(uppercase));
        boolean hasNounReading = false;
        for (AnalyzedTokenReadings tag : tags) {
            if (tag.hasPartialPosTag("SUB:") && !tag.hasPartialPosTag("ADJ")) {
                hasNounReading = true;
                break;
            }
        }
        if (hasNounReading) {
            return match;
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    return null;
}