Examples with JsonBuilder org.apache.jena.atlas.json.JsonBuilder used on opensource projects

Example 1 with JsonBuilder

use of org.apache.jena.atlas.json.JsonBuilder in project jena by apache.

the class ActionBackupList method description.

private JsonValue description(HttpAction action) {
    if (!Files.isDirectory(FusekiServer.dirBackups))
        ServletOps.errorOccurred(format("[%d] Backup area '%s' is not a directory", action.id, FusekiServer.dirBackups));
    List<Path> paths = new ArrayList<>();
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(FusekiServer.dirBackups, filterVisibleFiles)) {
        stream.forEach(paths::add);
    } catch (IOException ex) {
        action.log.error(format("[%d] Backup file list :: IOException :: %s", action.id, ex.getMessage()));
        ServletOps.errorOccurred(ex);
    }
    List<String> fileNames = paths.stream().map((p) -> p.getFileName().toString()).sorted().collect(Collectors.toList());
    JsonBuilder builder = new JsonBuilder();
    builder.startObject("top");
    builder.key("backups");
    builder.startArray();
    fileNames.forEach(builder::value);
    builder.finishArray();
    builder.finishObject("top");
    return builder.build();
}

Example 2 with JsonBuilder

use of org.apache.jena.atlas.json.JsonBuilder in project jena by apache.

the class ActionDatasets method execGetItem.

@Override
protected JsonValue execGetItem(HttpAction action) {
    action.log.info(format("[%d] GET dataset %s", action.id, action.getDatasetName()));
    JsonBuilder builder = new JsonBuilder();
    DataAccessPoint dsDesc = action.getDataAccessPointRegistry().get(action.getDatasetName());
    if (dsDesc == null)
        ServletOps.errorNotFound("Not found: dataset " + action.getDatasetName());
    JsonDescription.describe(builder, dsDesc);
    return builder.build();
}

Example 3 with JsonBuilder

use of org.apache.jena.atlas.json.JsonBuilder in project jena by apache.

the class ActionDatasets method execGetContainer.

// ---- GET : return details of dataset or datasets.
@Override
protected JsonValue execGetContainer(HttpAction action) {
    action.log.info(format("[%d] GET datasets", action.id));
    JsonBuilder builder = new JsonBuilder();
    builder.startObject("D");
    builder.key(JsonConst.datasets);
    JsonDescription.arrayDatasets(builder, action.getDataAccessPointRegistry());
    builder.finishObject("D");
    return builder.build();
}

Example 4 with JsonBuilder

use of org.apache.jena.atlas.json.JsonBuilder in project jena by apache.

the class ActionStats method generateStats.

public static JsonObject generateStats(DataAccessPointRegistry registry) {
    JsonBuilder builder = new JsonBuilder();
    builder.startObject("top");
    builder.key(JsonConst.datasets);
    builder.startObject("datasets");
    registry.forEach((name, access) -> statsDataset(builder, access));
    builder.finishObject("datasets");
    builder.finishObject("top");
    return builder.build().getAsObject();
}

Example 5 with JsonBuilder

use of org.apache.jena.atlas.json.JsonBuilder in project jena by apache.

the class DataValidatorJSON method execute.

public static JsonObject execute(ValidationAction action) {
    JsonBuilder obj = new JsonBuilder();
    obj.startObject();
    String syntax = getArgOrNull(action, paramSyntax);
    if (syntax == null || syntax.equals(""))
        syntax = RDFLanguages.NQUADS.getName();
    Lang language = RDFLanguages.shortnameToLang(syntax);
    if (language == null) {
        ServletOps.errorBadRequest("Unknown syntax: " + syntax);
        return null;
    }
    String string = getArg(action, paramData);
    StringReader sr = new StringReader(string);
    obj.key(jInput).value(string);
    StreamRDF dest = StreamRDFLib.sinkNull();
    try {
        RDFParser.create().source(sr).lang(language).parse(dest);
    } catch (RiotParseException ex) {
        obj.key(jErrors);
        // Errors array
        obj.startArray();
        obj.startObject();
        obj.key(jParseError).value(ex.getMessage());
        obj.key(jParseErrorLine).value(ex.getLine());
        obj.key(jParseErrorCol).value(ex.getCol());
        obj.finishObject();
        obj.finishArray();
        // Outer object
        obj.finishObject();
        return obj.build().getAsObject();
    } catch (RiotException ex) {
        obj.key(jErrors);
        // Errors array
        obj.startArray();
        obj.startObject();
        obj.key(jParseError).value(ex.getMessage());
        obj.finishObject();
        obj.finishArray();
        // Outer object
        obj.finishObject();
        return obj.build().getAsObject();
    }
    obj.finishObject();
    return obj.build().getAsObject();
}