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package org.semanticweb.owlapi.model.parameters;
import java.io.IOException;
import java.io.InputStream;
import java.util.EnumMap;
import java.util.Map;
import java.util.Properties;
import javax.annotation.Nullable;
import org.semanticweb.owlapi.model.ByName;
import org.semanticweb.owlapi.model.MissingImportHandlingStrategy;
import org.semanticweb.owlapi.model.MissingOntologyHeaderStrategy;
import org.semanticweb.owlapi.model.PriorityCollectionSorting;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This enum handles default values and config file or system property overrides. The config file
* name is {@code owlapi.properties}; to enable, make sure the file is in the classpath. The
* property names are {@code "org.semanticweb.owlapi.model.parameters.ConfigurationOptions."+name()}
* , both in the properties file and in the system properties.
*/
public enum ConfigurationOptions {
//@formatter:off
/** True if http compression should be used. */
ACCEPT_HTTP_COMPRESSION(Boolean.TRUE),
/** Timeout for connections. */
CONNECTION_TIMEOUT(Integer.valueOf(20000)),
/** True if redirects should be followed across protocols. */
FOLLOW_REDIRECTS(Boolean.TRUE),
/** True if annotations should be loaded, false if skipped. */
LOAD_ANNOTATIONS(Boolean.TRUE),
/** Missing imports handling strategy. */
MISSING_IMPORT_HANDLING_STRATEGY(MissingImportHandlingStrategy.THROW_EXCEPTION),
/** Default missing ontology strategy. */
MISSING_ONTOLOGY_HEADER_STRATEGY(MissingOntologyHeaderStrategy.INCLUDE_GRAPH),
/** Flag to enable stack traces on parsing exceptions. */
REPORT_STACK_TRACES(Boolean.TRUE),
/** Number of retries to attempt when retrieving an ontology from a remote URL. Defaults to 5. */
RETRIES_TO_ATTEMPT(Integer.valueOf(5)),
/** True if strict parsing should be used. */
PARSE_WITH_STRICT_CONFIGURATION(Boolean.FALSE),
/** True if Dublin Core. */
TREAT_DUBLINCORE_AS_BUILTIN(Boolean.TRUE),
/** sort configuration for priority collections */
PRIORITY_COLLECTION_SORTING(PriorityCollectionSorting.ON_SET_INJECTION_ONLY),
// Save options
/** True if ids for blank nodes should always be written (axioms and anonymous individuals only). */
SAVE_IDS(Boolean.FALSE),
/** True if all anonymous individuals should have their ids remapped after parsing. */
REMAP_IDS(Boolean.TRUE),
/** True if entities should be used for namespace abbreviations. */
USE_NAMESPACE_ENTITIES(Boolean.FALSE),
/** True if indenting should be used when writing out a file. */
INDENTING(Boolean.TRUE),
/** Size of indentation between levels. Only used if indenting is to true. */
INDENT_SIZE(Integer.valueOf(4)),
/** True if rdfs:label values are to be used as banners in text output. */
LABELS_AS_BANNER(Boolean.FALSE),
/** True if banners for ontology sections and entity comments should be outputted. */
BANNERS_ENABLED(Boolean.FALSE),
/** List of banned parsers keys. */
BANNED_PARSERS(""),
/** Entity expansion limit for XML parsing. */
ENTITY_EXPANSION_LIMIT("100000000"),
/** Repair illegal punnings
* automatically. */
REPAIR_ILLEGAL_PUNNINGS(Boolean.TRUE),
/** Authorization
* header Value. */
AUTHORIZATION_VALUE (""),
/**True if ontologies should
* be trimmed to size after load.
* If set to false, trim will
* only happen on explicit call.*/
TRIM_TO_SIZE (Boolean.TRUE),
/** True if annotations on entities
* included in modules should be
* skipped. By default annotations
* are included.*/
SKIP_MODULE_ANNOTATIONS (Boolean.FALSE),
/**Max number of elements for caches.*/
CACHE_SIZE (Integer.valueOf(2048));
//@formatter:on
private static final String PREFIX =
"org.semanticweb.owlapi.model.parameters.ConfigurationOptions.";
private static final Logger LOGGER = LoggerFactory.getLogger(ConfigurationOptions.class);
private static final EnumMap owlapiProperties = loadProperties();
private Object defaultValue;
ConfigurationOptions(Object o) {
defaultValue = o;
}
private static EnumMap loadProperties() {
EnumMap map = new EnumMap<>(ConfigurationOptions.class);
Properties props = new Properties();
try (InputStream stream =
ConfigurationOptions.class.getResourceAsStream("/owlapi.properties")) {
if (stream != null) {
props.load(stream);
}
} catch (IOException e) {
LOGGER.error("Properties cannot be loaded", e);
}
props.forEach((name, value) -> {
ConfigurationOptions option = find(name.toString());
if (option != null) {
map.put(option, value);
}
});
return map;
}
/**
* @param parameterName parameter name - by default the full name of this enumeration plus the
* enum member name
* @return , atching ConfigurationOptions member, or null if none found
*/
@Nullable
public static ConfigurationOptions find(String parameterName) {
if (!parameterName.startsWith(PREFIX)) {
return null;
}
return valueOf(parameterName.substring(PREFIX.length()));
}
/**
* @param value value to parse according to the enum default value
* @param type type of the returned value
* @param type
* @return parsed value
*/
protected T parse(Object value, Class type) {
if (Boolean.class.equals(type)) {
return type.cast(Boolean.valueOf(value.toString()));
}
if (Long.class.equals(type)) {
return type.cast(Long.valueOf(value.toString()));
}
if (Integer.class.equals(type)) {
return type.cast(Integer.valueOf(value.toString()));
}
if (defaultValue instanceof ByName) {
return type.cast(((ByName) defaultValue).byName(value.toString()));
}
return type.cast(value);
}
/**
* @param type type for this value
* @param overrides local overrides
* @param type
* @return value for this configuration option. Values are evaluated as follows: first, check
* overrides; if no overrides are present, check if a system property with the expected
* name is set; if not, check the config file; if no value is set in the config file,
* use the default defined in this enumeration.
*/
public T getValue(Class type, Map overrides) {
Object override = overrides.get(this);
if (override != null) {
return parse(override, type);
}
// first system properties
Object fromSystemProperties = System.getProperty(PREFIX + name());
if (fromSystemProperties != null) {
return parse(fromSystemProperties, type);
}
Object fromConfigFile = owlapiProperties.get(this);
if (fromConfigFile != null) {
return parse(fromConfigFile, type);
}
return type.cast(defaultValue);
}
/**
* @param type type to cast to
* @param type
* @return default value
*/
public T getDefaultValue(Class type) {
return type.cast(defaultValue);
}
}
