Examples with PdlSchemaParser com.linkedin.data.schema.grammar.PdlSchemaParser used on opensource projects

Example 1 with PdlSchemaParser

use of com.linkedin.data.schema.grammar.PdlSchemaParser in project rest.li by linkedin.

the class TestUtil method pdlSchemaParserFromString.

public static PdlSchemaParser pdlSchemaParserFromString(String s) throws UnsupportedEncodingException {
    PdlSchemaParser parser = new PdlSchemaParser(new DefaultDataSchemaResolver());
    parser.parse(inputStreamFromString(s));
    return parser;
}

Example 2 with PdlSchemaParser

use of com.linkedin.data.schema.grammar.PdlSchemaParser in project rest.li by linkedin.

the class PdlEncoderTest method parseSchema.

private DataSchema parseSchema(String text, String name) throws IOException {
    DataSchemaResolver resolver = MultiFormatDataSchemaResolver.withBuiltinFormats(pegasusSrcDir.getAbsolutePath());
    AbstractSchemaParser parser = new PdlSchemaParser(resolver);
    parser.parse(text);
    return extractSchema(parser, name);
}

Example 3 with PdlSchemaParser

use of com.linkedin.data.schema.grammar.PdlSchemaParser in project rest.li by linkedin.

the class PegasusSchemaSnapshotCompatibilityChecker method parseSchema.

private DataSchema parseSchema(File schemaFile) throws FileNotFoundException {
    PdlSchemaParser parser = new PdlSchemaParser(new DefaultDataSchemaResolver());
    parser.parse(new FileInputStream(schemaFile));
    if (parser.hasError()) {
        throw new RuntimeException(parser.errorMessage() + " Error while parsing file: " + schemaFile.toString());
    }
    List<DataSchema> topLevelDataSchemas = parser.topLevelDataSchemas();
    if (topLevelDataSchemas.size() != 1) {
        throw new RuntimeException("Could not parse schema : " + schemaFile.getAbsolutePath() + " The size of top level schemas is not 1.");
    }
    DataSchema topLevelDataSchema = topLevelDataSchemas.get(0);
    if (!(topLevelDataSchema instanceof NamedDataSchema)) {
        throw new RuntimeException("Invalid schema : " + schemaFile.getAbsolutePath() + ", the schema is not a named schema.");
    }
    return topLevelDataSchema;
}

Example 4 with PdlSchemaParser

use of com.linkedin.data.schema.grammar.PdlSchemaParser in project rest.li by linkedin.

the class ExtensionSchemaValidationCmdLineApp method parseAndValidateExtensionSchemas.

static void parseAndValidateExtensionSchemas(String resolverPath, File inputDir) throws IOException, InvalidExtensionSchemaException {
    // Parse each extension schema and validate it
    Iterator<File> iterator = FileUtils.iterateFiles(inputDir, new String[] { PDL }, true);
    DataSchemaResolver resolver = MultiFormatDataSchemaResolver.withBuiltinFormats(resolverPath);
    while (iterator.hasNext()) {
        File inputFile = iterator.next();
        PdlSchemaParser parser = new PdlSchemaParser(resolver);
        parser.parse(new FileInputStream(inputFile));
        if (parser.hasError()) {
            throw new InvalidExtensionSchemaException(parser.errorMessage());
        }
        List<DataSchema> topLevelDataSchemas = parser.topLevelDataSchemas();
        if (topLevelDataSchemas == null || topLevelDataSchemas.isEmpty() || topLevelDataSchemas.size() > 1) {
            throw new InvalidExtensionSchemaException("Could not parse extension schema : " + inputFile.getAbsolutePath());
        }
        DataSchema topLevelDataSchema = topLevelDataSchemas.get(0);
        if (!(topLevelDataSchema instanceof NamedDataSchema)) {
            throw new InvalidExtensionSchemaException("Invalid extension schema : " + inputFile.getAbsolutePath() + ", the schema is not a named schema.");
        }
        if (!((NamedDataSchema) topLevelDataSchema).getName().endsWith(EXTENSIONS_SUFFIX)) {
            throw new InvalidExtensionSchemaException("Invalid extension schema name: '" + ((NamedDataSchema) topLevelDataSchema).getName() + "'. The name of the extension schema must be <baseSchemaName> + 'Extensions'");
        }
        List<NamedDataSchema> includes = ((RecordDataSchema) topLevelDataSchema).getInclude();
        if (includes.size() != 1) {
            throw new InvalidExtensionSchemaException("The extension schema: '" + ((NamedDataSchema) topLevelDataSchema).getName() + "' should include and only include the base schema");
        }
        NamedDataSchema includeSchema = includes.get(0);
        if (!((NamedDataSchema) topLevelDataSchema).getName().startsWith(includeSchema.getName())) {
            throw new InvalidExtensionSchemaException("Invalid extension schema name: '" + ((NamedDataSchema) topLevelDataSchema).getName() + "'. The name of the extension schema must be baseSchemaName: '" + includeSchema.getName() + "' + 'Extensions");
        }
        List<RecordDataSchema.Field> extensionSchemaFields = ((RecordDataSchema) topLevelDataSchema).getFields().stream().filter(f -> !((RecordDataSchema) topLevelDataSchema).isFieldFromIncludes(f)).collect(Collectors.toList());
        checkExtensionSchemaFields(extensionSchemaFields);
    }
}

Example 5 with PdlSchemaParser

use of com.linkedin.data.schema.grammar.PdlSchemaParser in project rest.li by linkedin.

the class TestUtil method pdlSchemaParserFromInputStream.

public static PdlSchemaParser pdlSchemaParserFromInputStream(InputStream is) throws UnsupportedEncodingException {
    PdlSchemaParser parser = new PdlSchemaParser(new DefaultDataSchemaResolver());
    parser.parse(is);
    return parser;
}