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Rework config system to use a config spec

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Arnold Alejo Nunag 2020-10-01 03:08:48 +08:00
parent 412c499cfc
commit cbf57fb585
Signed by: sciwhiz12
GPG Key ID: 622CF446534317E1
8 changed files with 1421 additions and 35 deletions
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src/README.md Normal file
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@ -0,0 +1,18 @@
Janitor
=======
**Janitor** is my personal testing and housekeeping bot. It is under heavy development; the codebase may and will change
massively between any two versions.
Licensing
---------
This project is licensed under the MIT License (see the `LICENSE.txt` file for the full license text).
This project includes code copied and modified from [the Minecraft Forge project][mcforge], which is licensed under the
LGPL v2.1 (see the `LICENSE-lgpl2.1.txt` file for the full license text); specifically, the file
`sciwhiz12.janitor.config.CommentedConfigSpec` is a modified and renamed version of
`net.minecraftforge.common.ForgeConfigSpec` (as of the writing of this document). This file is relicensed under the
LGPL v2.1, to comply with the Minecraft Forge project's license.
[mcforge]: https://github.com/MinecraftForge/MinecraftForge

8
src/main/java/sciwhiz12/janitor/BotStartup.java
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@ -21,13 +21,12 @@ public class BotStartup {
BotOptions options = new BotOptions(args);
BotConfig config = new BotConfig(options);
checkArgument(config.getToken().isPresent(),
"Token is not supplied through config or command line");
checkArgument(!config.getToken().isEmpty(), "Supply a client token through config or command line");
JANITOR.info("Building bot instance and connecting to Discord...");
try {
JDABuilder.create(config.getToken().get(), EnumSet.allOf(GatewayIntent.class))
JDABuilder.create(config.getToken(), EnumSet.allOf(GatewayIntent.class))
.setStatus(OnlineStatus.DO_NOT_DISTURB)
.setActivity(Activity.listening("for the ready call..."))
.setAutoReconnect(true)
@ -38,7 +37,8 @@ public class BotStartup {
}
})
.build();
} catch (Exception ex) {
}
catch (Exception ex) {
JANITOR.error("Error while building Discord connection", ex);
}
}

3
src/main/java/sciwhiz12/janitor/JanitorBot.java
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@ -12,6 +12,7 @@ import sciwhiz12.janitor.msg.Messages;
import sciwhiz12.janitor.msg.Translations;
import sciwhiz12.janitor.utils.Util;
import java.nio.file.Path;
import java.util.concurrent.CompletableFuture;
import static sciwhiz12.janitor.Logging.JANITOR;
@ -30,7 +31,7 @@ public class JanitorBot {
public JanitorBot(JDA discord, BotConfig config) {
this.config = config;
this.console = new BotConsole(this, System.in);
this.storage = new GuildStorage(this, config.getStoragePath());
this.storage = new GuildStorage(this, Path.of(config.STORAGE_PATH.get()));
this.cmdRegistry = new CommandRegistry(this, config.getCommandPrefix());
this.discord = discord;
this.translations = new Translations(this, config.getTranslationsFile());

59
src/main/java/sciwhiz12/janitor/config/BotConfig.java
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@ -1,6 +1,7 @@
package sciwhiz12.janitor.config;
import com.electronwill.nightconfig.core.file.CommentedFileConfig;
import com.electronwill.nightconfig.core.file.FileNotFoundAction;
import com.electronwill.nightconfig.core.file.FileWatcher;
import com.electronwill.nightconfig.toml.TomlFormat;
import org.checkerframework.checker.nullness.qual.Nullable;
@ -14,27 +15,52 @@ import static sciwhiz12.janitor.Logging.JANITOR;
public class BotConfig {
public static final Path DEFAULT_CONFIG_PATH = Path.of("config.toml");
public static final Path DEFAULT_STORAGE_PATH = Path.of("guild_storage");
public static final String CLIENT_TOKEN = "discord.client_token";
public static final String OWNER_ID = "discord.owner_id";
public static final String STORAGE_PATH = "storage.main_path";
public static final String TRANSLATION_FILE_PATH = "messages.translation_file";
public static final String COMMAND_PREFIX = "commands.prefix";
private final CommentedConfigSpec.ConfigValue<String> CLIENT_TOKEN;
private final CommentedConfigSpec.LongValue OWNER_ID;
public final CommentedConfigSpec.ConfigValue<String> STORAGE_PATH;
public final CommentedConfigSpec.ConfigValue<String> CUSTOM_TRANSLATION_FILE;
public final CommentedConfigSpec.ConfigValue<String> COMMAND_PREFIX;
private final BotOptions options;
private final Path configPath;
private final CommentedConfigSpec spec;
private final CommentedFileConfig config;
public BotConfig(BotOptions options) {
this.options = options;
final CommentedConfigSpec.Builder builder = new CommentedConfigSpec.Builder();
CLIENT_TOKEN = builder
.comment("The client secret/token for the bot user", "This must be set, or the application will not start up.")
.define("discord.client_token", "");
OWNER_ID = builder
.comment("The id of the bot owner; used for sending status messages and for bot administration commands.",
"If 0, then the bot has no owner set.")
.defineInRange("discord.owner_id", 0L, Long.MIN_VALUE, Long.MAX_VALUE);
STORAGE_PATH = builder
.comment("The folder where per-guild storage is kept.")
.define("storage.main_path", "guild_storage");
CUSTOM_TRANSLATION_FILE = builder
.comment("A file which contains custom translation keys to load for messages.",
"If blank, no file shall be loaded.")
.define("messages.custom_translations", "");
COMMAND_PREFIX = builder
.comment("The prefix for commands.")
.define("commands.prefix", "!");
spec = builder.build();
this.configPath = options.getConfigPath().orElse(DEFAULT_CONFIG_PATH);
this.config = CommentedFileConfig.builder(configPath, TomlFormat.instance())
.defaultResource("default-config.toml")
.onFileNotFound(FileNotFoundAction.CREATE_EMPTY)
.preserveInsertionOrder()
.build();
try {
JANITOR.info("Building config from {}", configPath);
config.load();
spec.setConfig(config);
// TODO: config spec
FileWatcher.defaultInstance().addWatch(configPath, this::onFileChange);
}
@ -50,24 +76,24 @@ public class BotConfig {
@Nullable
public Path getTranslationsFile() {
return options.getTranslationsFile().
or(() -> Optional.ofNullable(config.<String>get(TRANSLATION_FILE_PATH)).map(Path::of))
or(() -> CUSTOM_TRANSLATION_FILE.get().isBlank() ?
Optional.empty() :
Optional.of(Path.of(CUSTOM_TRANSLATION_FILE.get())))
.orElse(null);
}
public Path getStoragePath() {
return config.<String>getOptional(STORAGE_PATH).map(Path::of).orElse(DEFAULT_STORAGE_PATH);
}
public Optional<String> getToken() {
return options.getToken().or(() -> config.getOptional(CLIENT_TOKEN));
public String getToken() {
return options.getToken().orElse(CLIENT_TOKEN.get());
}
public String getCommandPrefix() {
return options.getCommandPrefix().orElseGet(() -> config.get(COMMAND_PREFIX));
return options.getCommandPrefix().orElseGet(COMMAND_PREFIX::get);
}
public Optional<Long> getOwnerID() {
return options.getOwnerID().or(() -> config.getOptional(OWNER_ID));
final Long ret = options.getOwnerID().orElse(OWNER_ID.get());
if (ret == 0) return Optional.empty();
return Optional.of(ret);
}
public void close() {
@ -78,6 +104,7 @@ public class BotConfig {
try {
CONFIG.info("Reloading config due to file change {}", configPath);
config.load();
spec.setConfig(config);
}
catch (Exception ex) {
CONFIG.error("Error while reloading config from {}", configPath, ex);

850
src/main/java/sciwhiz12/janitor/config/CommentedConfigSpec.java Normal file
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@ -0,0 +1,850 @@
/*
* Minecraft Forge
* Copyright (c) 2016-2020.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package sciwhiz12.janitor.config;
import com.electronwill.nightconfig.core.CommentedConfig;
import com.electronwill.nightconfig.core.Config;
import com.electronwill.nightconfig.core.ConfigSpec.CorrectionAction;
import com.electronwill.nightconfig.core.ConfigSpec.CorrectionListener;
import com.electronwill.nightconfig.core.EnumGetMethod;
import com.electronwill.nightconfig.core.InMemoryFormat;
import com.electronwill.nightconfig.core.UnmodifiableConfig;
import com.electronwill.nightconfig.core.file.FileConfig;
import com.electronwill.nightconfig.core.utils.UnmodifiableConfigWrapper;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
import com.google.common.collect.ObjectArrays;
import sciwhiz12.janitor.Logging;
import sciwhiz12.janitor.utils.Pair;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import static com.electronwill.nightconfig.core.ConfigSpec.CorrectionAction.*;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
/**
* Like {@link com.electronwill.nightconfig.core.ConfigSpec} except in builder format, and extended to accept comments.
*
* @author @MinecraftForge
* @author SciWhiz12 (modified to remove unneede parts)
*/
//TODO: Remove extends and pipe everything through getSpec/getValues?
public class CommentedConfigSpec extends UnmodifiableConfigWrapper<UnmodifiableConfig> {
private final Map<List<String>, String> levelComments;
private final UnmodifiableConfig values;
private Config childConfig;
private boolean isCorrecting = false;
private CommentedConfigSpec(UnmodifiableConfig storage, UnmodifiableConfig values,
Map<List<String>, String> levelComments) {
super(storage);
this.values = values;
this.levelComments = levelComments;
}
public void setConfig(CommentedConfig config) {
this.childConfig = config;
if (config != null && !isCorrect(config)) {
String configName = config instanceof FileConfig ?
((FileConfig) config).getNioPath().toString() :
config.toString();
Logging.CONFIG.warn("Configuration file {} is not correct. Correcting", configName);
correct(config, (action, path, incorrectValue, correctedValue) ->
Logging.CONFIG.warn("Incorrect key {} was corrected from {} to {}", DOT_JOINER.join(path), incorrectValue,
correctedValue));
if (config instanceof FileConfig) {
((FileConfig) config).save();
}
}
}
public boolean isCorrecting() {
return isCorrecting;
}
public boolean isLoaded() {
return childConfig != null;
}
public UnmodifiableConfig getSpec() {
return this.config;
}
public UnmodifiableConfig getValues() {
return this.values;
}
public void save() {
checkNotNull(childConfig, "Cannot save config value without assigned Config object present");
if (childConfig instanceof FileConfig) {
((FileConfig) childConfig).save();
}
}
public synchronized boolean isCorrect(CommentedConfig config) {
LinkedList<String> parentPath = new LinkedList<>();
return correct(this.config, config, parentPath, Collections.unmodifiableList(parentPath), (a, b, c, d) -> {},
true) == 0;
}
public int correct(CommentedConfig config) {
return correct(config, (action, path, incorrectValue, correctedValue) -> {});
}
public synchronized int correct(CommentedConfig config, CorrectionListener listener) {
LinkedList<String> parentPath = new LinkedList<>(); // Linked list for fast add/removes
// noinspection UnusedAssignment
int ret = -1;
try {
isCorrecting = true;
ret = correct(this.config, config, parentPath, Collections.unmodifiableList(parentPath), listener, false);
}
finally {
isCorrecting = false;
}
return ret;
}
private int correct(UnmodifiableConfig spec, CommentedConfig config, LinkedList<String> parentPath,
List<String> parentPathUnmodifiable, CorrectionListener listener, boolean dryRun) {
int count = 0;
Map<String, Object> specMap = spec.valueMap();
Map<String, Object> configMap = config.valueMap();
for (Map.Entry<String, Object> specEntry : specMap.entrySet()) {
final String key = specEntry.getKey();
final Object specValue = specEntry.getValue();
final Object configValue = configMap.get(key);
final CorrectionAction action = configValue == null ? ADD : REPLACE;
parentPath.addLast(key);
if (specValue instanceof Config) {
if (configValue instanceof CommentedConfig) {
count += correct((Config) specValue, (CommentedConfig) configValue, parentPath, parentPathUnmodifiable,
listener, dryRun);
if (count > 0 && dryRun)
return count;
} else if (dryRun) {
return 1;
} else {
CommentedConfig newValue = config.createSubConfig();
configMap.put(key, newValue);
listener.onCorrect(action, parentPathUnmodifiable, configValue, newValue);
count++;
count += correct((Config) specValue, newValue, parentPath, parentPathUnmodifiable, listener, dryRun);
}
String newComment = levelComments.get(parentPath);
String oldComment = config.getComment(key);
if (!Objects.equals(oldComment, newComment)) {
if (dryRun)
return 1;
//TODO: Comment correction listener?
config.setComment(key, newComment);
}
} else {
ValueSpec valueSpec = (ValueSpec) specValue;
if (!valueSpec.test(configValue)) {
if (dryRun)
return 1;
Object newValue = valueSpec.correct(configValue);
configMap.put(key, newValue);
listener.onCorrect(action, parentPathUnmodifiable, configValue, newValue);
count++;
}
String oldComment = config.getComment(key);
if (!Objects.equals(oldComment, valueSpec.getComment())) {
if (dryRun)
return 1;
//TODO: Comment correction listener?
config.setComment(key, valueSpec.getComment());
}
}
parentPath.removeLast();
}
// Second step: removes the unspecified values
for (Iterator<Map.Entry<String, Object>> ittr = configMap.entrySet().iterator(); ittr.hasNext(); ) {
Map.Entry<String, Object> entry = ittr.next();
if (!specMap.containsKey(entry.getKey())) {
if (dryRun)
return 1;
ittr.remove();
parentPath.addLast(entry.getKey());
listener.onCorrect(REMOVE, parentPathUnmodifiable, entry.getValue(), null);
parentPath.removeLast();
count++;
}
}
return count;
}
@SuppressWarnings("SuspiciousMethodCalls")
public static class Builder {
private final Config storage = Config
.of(LinkedHashMap::new, InMemoryFormat.withUniversalSupport()); // Use LinkedHashMap for consistent ordering
private BuilderContext context = new BuilderContext();
private final Map<List<String>, String> levelComments = new HashMap<>();
private final List<String> currentPath = new ArrayList<>();
private final List<ConfigValue<?>> values = new ArrayList<>();
// Arbitrary Objects
public <T> ConfigValue<T> define(String path, T defaultValue) {
return define(split(path), defaultValue);
}
public <T> ConfigValue<T> define(List<String> path, T defaultValue) {
return define(path, defaultValue, o -> o != null && defaultValue.getClass().isAssignableFrom(o.getClass()));
}
public <T> ConfigValue<T> define(String path, T defaultValue, Predicate<Object> validator) {
return define(split(path), defaultValue, validator);
}
public <T> ConfigValue<T> define(List<String> path, T defaultValue, Predicate<Object> validator) {
Objects.requireNonNull(defaultValue, "Default value can not be null");
return define(path, () -> defaultValue, validator);
}
public <T> ConfigValue<T> define(String path, Supplier<T> defaultSupplier, Predicate<Object> validator) {
return define(split(path), defaultSupplier, validator);
}
public <T> ConfigValue<T> define(List<String> path, Supplier<T> defaultSupplier, Predicate<Object> validator) {
return define(path, defaultSupplier, validator, Object.class);
}
public <T> ConfigValue<T> define(List<String> path, Supplier<T> defaultSupplier, Predicate<Object> validator,
Class<?> clazz) {
context.setClazz(clazz);
return define(path, new ValueSpec(defaultSupplier, validator, context), defaultSupplier);
}
public <T> ConfigValue<T> define(List<String> path, ValueSpec value, Supplier<T> defaultSupplier) {
// This is the root where everything at the end of the day ends up.
if (!currentPath.isEmpty()) {
List<String> tmp = new ArrayList<>(currentPath.size() + path.size());
tmp.addAll(currentPath);
tmp.addAll(path);
path = tmp;
}
storage.set(path, value);
context = new BuilderContext();
return new ConfigValue<>(this, path, defaultSupplier);
}
public <V extends Comparable<? super V>> ConfigValue<V> defineInRange(String path, V defaultValue, V min, V max,
Class<V> clazz) {
return defineInRange(split(path), defaultValue, min, max, clazz);
}
public <V extends Comparable<? super V>> ConfigValue<V> defineInRange(List<String> path, V defaultValue, V min, V max,
Class<V> clazz) {
return defineInRange(path, (Supplier<V>) () -> defaultValue, min, max, clazz);
}
public <V extends Comparable<? super V>> ConfigValue<V> defineInRange(String path, Supplier<V> defaultSupplier, V min,
V max, Class<V> clazz) {
return defineInRange(split(path), defaultSupplier, min, max, clazz);
}
public <V extends Comparable<? super V>> ConfigValue<V> defineInRange(List<String> path, Supplier<V> defaultSupplier,
V min, V max, Class<V> clazz) {
Range<V> range = new Range<>(clazz, min, max);
context.setRange(range);
context.setComment(ObjectArrays.concat(context.getComment(), "Range: " + range.toString()));
if (min.compareTo(max) > 0)
throw new IllegalArgumentException("Range min most be less then max.");
return define(path, defaultSupplier, range);
}
public <T> ConfigValue<T> defineInList(String path, T defaultValue, Collection<? extends T> acceptableValues) {
return defineInList(split(path), defaultValue, acceptableValues);
}
public <T> ConfigValue<T> defineInList(String path, Supplier<T> defaultSupplier,
Collection<? extends T> acceptableValues) {
return defineInList(split(path), defaultSupplier, acceptableValues);
}
public <T> ConfigValue<T> defineInList(List<String> path, T defaultValue, Collection<? extends T> acceptableValues) {
return defineInList(path, () -> defaultValue, acceptableValues);
}
public <T> ConfigValue<T> defineInList(List<String> path, Supplier<T> defaultSupplier,
Collection<? extends T> acceptableValues) {
return define(path, defaultSupplier, acceptableValues::contains);
}
public <T> ConfigValue<List<? extends T>> defineList(String path, List<? extends T> defaultValue,
Predicate<Object> elementValidator) {
return defineList(split(path), defaultValue, elementValidator);
}
public <T> ConfigValue<List<? extends T>> defineList(String path, Supplier<List<? extends T>> defaultSupplier,
Predicate<Object> elementValidator) {
return defineList(split(path), defaultSupplier, elementValidator);
}
public <T> ConfigValue<List<? extends T>> defineList(List<String> path, List<? extends T> defaultValue,
Predicate<Object> elementValidator) {
return defineList(path, () -> defaultValue, elementValidator);
}
public <T> ConfigValue<List<? extends T>> defineList(List<String> path, Supplier<List<? extends T>> defaultSupplier,
Predicate<Object> elementValidator) {
context.setClazz(List.class);
return define(path,
new ValueSpec(defaultSupplier, x -> x instanceof List && ((List<?>) x).stream().allMatch(elementValidator),
context) {
@Override
public Object correct(Object value) {
if (!(value instanceof List) || ((List<?>) value).isEmpty()) {
return getDefault();
}
List<?> list = Lists.newArrayList((List<?>) value);
list.removeIf(elementValidator.negate());
if (list.isEmpty()) {
return getDefault();
}
return list;
}
}, defaultSupplier);
}
// Enums
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue) {
return defineEnum(split(path), defaultValue);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue, EnumGetMethod converter) {
return defineEnum(split(path), defaultValue, converter);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue) {
return defineEnum(path, defaultValue, defaultValue.getDeclaringClass().getEnumConstants());
}
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue, EnumGetMethod converter) {
return defineEnum(path, defaultValue, converter, defaultValue.getDeclaringClass().getEnumConstants());
}
@SafeVarargs
public final <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue, V... acceptableValues) {
return defineEnum(split(path), defaultValue, acceptableValues);
}
@SafeVarargs
public final <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue, EnumGetMethod converter,
V... acceptableValues) {
return defineEnum(split(path), defaultValue, converter, acceptableValues);
}
@SafeVarargs
public final <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue, V... acceptableValues) {
return defineEnum(path, defaultValue, Arrays.asList(acceptableValues));
}
@SafeVarargs
public final <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue, EnumGetMethod converter,
V... acceptableValues) {
return defineEnum(path, defaultValue, converter, Arrays.asList(acceptableValues));
}
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue, Collection<V> acceptableValues) {
return defineEnum(split(path), defaultValue, acceptableValues);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue, EnumGetMethod converter,
Collection<V> acceptableValues) {
return defineEnum(split(path), defaultValue, converter, acceptableValues);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue, Collection<V> acceptableValues) {
return defineEnum(path, defaultValue, EnumGetMethod.NAME_IGNORECASE, acceptableValues);
}
@SuppressWarnings("unchecked")
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue, EnumGetMethod converter,
Collection<V> acceptableValues) {
return defineEnum(path, defaultValue, converter, obj -> {
if (obj instanceof Enum) {
return acceptableValues.contains(obj);
}
if (obj == null) {
return false;
}
try {
//noinspection SuspiciousMethodCalls
return acceptableValues.contains(converter.get(obj, defaultValue.getClass()));
}
catch (IllegalArgumentException | ClassCastException e) {
return false;
}
});
}
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue, Predicate<Object> validator) {
return defineEnum(split(path), defaultValue, validator);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, V defaultValue, EnumGetMethod converter,
Predicate<Object> validator) {
return defineEnum(split(path), defaultValue, converter, validator);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue, Predicate<Object> validator) {
return defineEnum(path, () -> defaultValue, validator, defaultValue.getDeclaringClass());
}
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, V defaultValue, EnumGetMethod converter,
Predicate<Object> validator) {
return defineEnum(path, () -> defaultValue, converter, validator, defaultValue.getDeclaringClass());
}
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, Supplier<V> defaultSupplier,
Predicate<Object> validator, Class<V> clazz) {
return defineEnum(split(path), defaultSupplier, validator, clazz);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(String path, Supplier<V> defaultSupplier, EnumGetMethod converter,
Predicate<Object> validator, Class<V> clazz) {
return defineEnum(split(path), defaultSupplier, converter, validator, clazz);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, Supplier<V> defaultSupplier,
Predicate<Object> validator, Class<V> clazz) {
return defineEnum(path, defaultSupplier, EnumGetMethod.NAME_IGNORECASE, validator, clazz);
}
public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, Supplier<V> defaultSupplier,
EnumGetMethod converter, Predicate<Object> validator, Class<V> clazz) {
context.setClazz(clazz);
V[] allowedValues = clazz.getEnumConstants();
context.setComment(ObjectArrays.concat(context.getComment(),
"Allowed Values: " + Arrays.stream(allowedValues).filter(validator).map(Enum::name)
.collect(Collectors.joining(", "))));
return new EnumValue<>(this,
define(path, new ValueSpec(defaultSupplier, validator, context), defaultSupplier).getPath(), defaultSupplier,
converter, clazz);
}
// Booleans
public BooleanValue define(String path, boolean defaultValue) {
return define(split(path), defaultValue);
}
public BooleanValue define(List<String> path, boolean defaultValue) {
return define(path, () -> defaultValue);
}
public BooleanValue define(String path, Supplier<Boolean> defaultSupplier) {
return define(split(path), defaultSupplier);
}
public BooleanValue define(List<String> path, Supplier<Boolean> defaultSupplier) {
return new BooleanValue(this, define(path, defaultSupplier, o -> {
if (o instanceof String) return ((String) o).equalsIgnoreCase("true") || ((String) o).equalsIgnoreCase("false");
return o instanceof Boolean;
}, Boolean.class).getPath(), defaultSupplier);
}
// Double
public DoubleValue defineInRange(String path, double defaultValue, double min, double max) {
return defineInRange(split(path), defaultValue, min, max);
}
public DoubleValue defineInRange(List<String> path, double defaultValue, double min, double max) {
return defineInRange(path, () -> defaultValue, min, max);
}
public DoubleValue defineInRange(String path, Supplier<Double> defaultSupplier, double min, double max) {
return defineInRange(split(path), defaultSupplier, min, max);
}
public DoubleValue defineInRange(List<String> path, Supplier<Double> defaultSupplier, double min, double max) {
return new DoubleValue(this, defineInRange(path, defaultSupplier, min, max, Double.class).getPath(),
defaultSupplier);
}
// Integers
public IntValue defineInRange(String path, int defaultValue, int min, int max) {
return defineInRange(split(path), defaultValue, min, max);
}
public IntValue defineInRange(List<String> path, int defaultValue, int min, int max) {
return defineInRange(path, () -> defaultValue, min, max);
}
public IntValue defineInRange(String path, Supplier<Integer> defaultSupplier, int min, int max) {
return defineInRange(split(path), defaultSupplier, min, max);
}
public IntValue defineInRange(List<String> path, Supplier<Integer> defaultSupplier, int min, int max) {
return new IntValue(this, defineInRange(path, defaultSupplier, min, max, Integer.class).getPath(), defaultSupplier);
}
// Longs
public LongValue defineInRange(String path, long defaultValue, long min, long max) {
return defineInRange(split(path), defaultValue, min, max);
}
public LongValue defineInRange(List<String> path, long defaultValue, long min, long max) {
return defineInRange(path, () -> defaultValue, min, max);
}
public LongValue defineInRange(String path, Supplier<Long> defaultSupplier, long min, long max) {
return defineInRange(split(path), defaultSupplier, min, max);
}
public LongValue defineInRange(List<String> path, Supplier<Long> defaultSupplier, long min, long max) {
return new LongValue(this, defineInRange(path, defaultSupplier, min, max, Long.class).getPath(), defaultSupplier);
}
public Builder comment(String comment) {
context.setComment(comment);
return this;
}
public Builder comment(String... comment) {
context.setComment(comment);
return this;
}
public Builder push(String path) {
return push(split(path));
}
public Builder push(List<String> path) {
currentPath.addAll(path);
if (context.hasComment()) {
levelComments.put(new ArrayList<>(currentPath), context.buildComment());
context.setComment(); // Set to empty
}
context.ensureEmpty();
return this;
}
public Builder pop() {
return pop(1);
}
public Builder pop(int count) {
if (count > currentPath.size())
throw new IllegalArgumentException("Attempted to pop " + count + " elements when we only had: " + currentPath);
for (int x = 0; x < count; x++)
currentPath.remove(currentPath.size() - 1);
return this;
}
public <T> Pair<T, CommentedConfigSpec> configure(Function<Builder, T> consumer) {
T o = consumer.apply(this);
return Pair.of(o, this.build());
}
public CommentedConfigSpec build() {
context.ensureEmpty();
Config valueCfg = Config
.of(Config.getDefaultMapCreator(true, true), InMemoryFormat.withSupport(ConfigValue.class::isAssignableFrom));
values.forEach(v -> valueCfg.set(v.getPath(), v));
CommentedConfigSpec ret = new CommentedConfigSpec(storage, valueCfg, levelComments);
values.forEach(v -> v.spec = ret);
return ret;
}
public interface BuilderConsumer {
void accept(Builder builder);
}
}
private static class BuilderContext {
private @Nonnull String[] comment = new String[0];
private Range<?> range;
private Class<?> clazz;
public void setComment(String... value) { this.comment = value; }
public boolean hasComment() { return this.comment.length > 0; }
public String[] getComment() { return this.comment; }
public String buildComment() { return LINE_JOINER.join(comment); }
public <V extends Comparable<? super V>> void setRange(Range<V> value) {
this.range = value;
this.setClazz(value.getClazz());
}
@SuppressWarnings("unchecked")
public <V extends Comparable<? super V>> Range<V> getRange() { return (Range<V>) this.range; }
public void setClazz(Class<?> clazz) { this.clazz = clazz; }
public Class<?> getClazz() { return this.clazz; }
public void ensureEmpty() {
checkState(!hasComment(), "Non-empty comment when empty expected");
checkState(range == null, "Non-null range when null expected");
}
}
@SuppressWarnings("unused")
private static class Range<V extends Comparable<? super V>> implements Predicate<Object> {
private final Class<? extends V> clazz;
private final V min;
private final V max;
private Range(Class<V> clazz, V min, V max) {
this.clazz = clazz;
this.min = min;
this.max = max;
}
public Class<? extends V> getClazz() { return clazz; }
public V getMin() { return min; }
public V getMax() { return max; }
private boolean isNumber(Object other) {
return Number.class.isAssignableFrom(clazz) && other instanceof Number;
}
@Override
public boolean test(Object t) {
if (isNumber(t)) {
Number n = (Number) t;
return ((Number) min).doubleValue() <= n.doubleValue() && n.doubleValue() <= ((Number) max).doubleValue();
}
if (!clazz.isInstance(t)) return false;
V c = clazz.cast(t);
return c.compareTo(min) >= 0 && c.compareTo(max) <= 0;
}
public Object correct(Object value, Object def) {
if (isNumber(value)) {
Number n = (Number) value;
return n.doubleValue() < ((Number) min).doubleValue() ?
min :
n.doubleValue() > ((Number) max).doubleValue() ? max : value;
}
if (!clazz.isInstance(value)) return def;
V c = clazz.cast(value);
return c.compareTo(min) < 0 ? min : c.compareTo(max) > 0 ? max : value;
}
@Override
public String toString() {
if (clazz == Integer.class) {
if (max.equals(Integer.MAX_VALUE) && min.equals(Integer.MIN_VALUE)) {
return "unbounded";
} else if (max.equals(Integer.MAX_VALUE)) {
return "> " + min;
} else if (min.equals(Integer.MIN_VALUE)) {
return "< " + max;
}
} else if (clazz == Long.class) {
if (max.equals(Long.MAX_VALUE) && min.equals(Long.MIN_VALUE)) {
return "unbounded";
} else if (max.equals(Long.MAX_VALUE)) {
return "> " + min;
} else if (min.equals(Long.MIN_VALUE)) {
return "< " + max;
}
}// TODO add more special cases?
return min + " ~ " + max;
}
}
public static class ValueSpec {
private final String comment;
private final Range<?> range;
private final Class<?> clazz;
private final Supplier<?> supplier;
private final Predicate<Object> validator;
private Object _default = null;
private ValueSpec(Supplier<?> supplier, Predicate<Object> validator, BuilderContext context) {
Objects.requireNonNull(supplier, "Default supplier can not be null");
Objects.requireNonNull(validator, "Validator can not be null");
this.comment = context.hasComment() ? context.buildComment() : null;
this.range = context.getRange();
this.clazz = context.getClazz();
this.supplier = supplier;
this.validator = validator;
}
public String getComment() { return comment; }
@SuppressWarnings("unchecked")
public <V extends Comparable<? super V>> Range<V> getRange() { return (Range<V>) this.range; }
public Class<?> getClazz() { return this.clazz; }
public boolean test(Object value) { return validator.test(value); }
public Object correct(Object value) { return range == null ? getDefault() : range.correct(value, getDefault()); }
public Object getDefault() {
if (_default == null)
_default = supplier.get();
return _default;
}
}
public static class ConfigValue<T> {
private final Builder parent;
private final List<String> path;
private final Supplier<T> defaultSupplier;
private CommentedConfigSpec spec;
ConfigValue(Builder parent, List<String> path, Supplier<T> defaultSupplier) {
this.parent = parent;
this.path = path;
this.defaultSupplier = defaultSupplier;
this.parent.values.add(this);
}
public List<String> getPath() {
return Lists.newArrayList(path);
}
public T get() {
checkNotNull(spec, "Cannot get config value before spec is built");
if (spec.childConfig == null)
return defaultSupplier.get();
return getRaw(spec.childConfig, path, defaultSupplier);
}
protected T getRaw(Config config, List<String> path, Supplier<T> defaultSupplier) {
return config.getOrElse(path, defaultSupplier);
}
public Builder next() {
return parent;
}
public void save() {
checkNotNull(spec, "Cannot save config value before spec is built");
checkNotNull(spec.childConfig, "Cannot save config value without assigned Config object present");
spec.save();
}
public void set(T value) {
checkNotNull(spec, "Cannot set config value before spec is built");
checkNotNull(spec.childConfig, "Cannot set config value without assigned Config object present");
spec.childConfig.set(path, value);
}
}
public static class BooleanValue extends ConfigValue<Boolean> {
BooleanValue(Builder parent, List<String> path, Supplier<Boolean> defaultSupplier) {
super(parent, path, defaultSupplier);
}
}
public static class IntValue extends ConfigValue<Integer> {
IntValue(Builder parent, List<String> path, Supplier<Integer> defaultSupplier) {
super(parent, path, defaultSupplier);
}
@Override
protected Integer getRaw(Config config, List<String> path, Supplier<Integer> defaultSupplier) {
return config.getIntOrElse(path, defaultSupplier::get);
}
}
public static class LongValue extends ConfigValue<Long> {
LongValue(Builder parent, List<String> path, Supplier<Long> defaultSupplier) {
super(parent, path, defaultSupplier);
}
@Override
protected Long getRaw(Config config, List<String> path, Supplier<Long> defaultSupplier) {
return config.getLongOrElse(path, defaultSupplier::get);
}
}
public static class DoubleValue extends ConfigValue<Double> {
DoubleValue(Builder parent, List<String> path, Supplier<Double> defaultSupplier) {
super(parent, path, defaultSupplier);
}
@Override
protected Double getRaw(Config config, List<String> path, Supplier<Double> defaultSupplier) {
Number n = config.get(path);
return n == null ? defaultSupplier.get() : n.doubleValue();
}
}
public static class EnumValue<T extends Enum<T>> extends ConfigValue<T> {
private final EnumGetMethod converter;
private final Class<T> clazz;
EnumValue(Builder parent, List<String> path, Supplier<T> defaultSupplier, EnumGetMethod converter, Class<T> clazz) {
super(parent, path, defaultSupplier);
this.converter = converter;
this.clazz = clazz;
}
@Override
protected T getRaw(Config config, List<String> path, Supplier<T> defaultSupplier) {
return config.getEnumOrElse(path, clazz, converter, defaultSupplier);
}
}
private static final Joiner LINE_JOINER = Joiner.on("\n");
private static final Joiner DOT_JOINER = Joiner.on(".");
private static final Splitter DOT_SPLITTER = Splitter.on(".");
private static List<String> split(String path) {
return Lists.newArrayList(DOT_SPLITTER.split(path));
}
}

44
src/main/java/sciwhiz12/janitor/utils/Pair.java Normal file
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@ -0,0 +1,44 @@
package sciwhiz12.janitor.utils;
import com.google.common.base.Preconditions;
import java.util.Map;
public class Pair<L, R> implements Map.Entry<L, R> {
private final L left;
private final R right;
public static <L, R> Pair<L, R> of(L left, R right) {
Preconditions.checkNotNull(left, "Left value should not be null");
Preconditions.checkNotNull(right, "Right value should not be null");
return new Pair<>(left, right);
}
private Pair(L left, R right) {
this.left = left;
this.right = right;
}
public L getLeft() {
return left;
}
public R getRight() {
return right;
}
@Override
public L getKey() {
return left;
}
@Override
public R getValue() {
return right;
}
@Override
public R setValue(R value) {
throw new UnsupportedOperationException();
}
}

14
src/main/resources/default-config.toml
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@ -1,14 +0,0 @@
[discord]
# The client secret/token for the bot user
client_token = "NONE"
# The id of the bot owner; used for sending status messages and allowing bot admin commands
owner_id = 0
[messages]
# The file containing the translation keys
# translation_file = "english.json"
[commands]
# The prefix for commands
prefix = "!"