Progress javadoc, various refactor + new module pandalib-commands

This commit is contained in:
2022-08-03 01:45:18 +02:00
parent 660414424e
commit 3bcd8d315b
78 changed files with 791 additions and 683 deletions

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@@ -1,40 +0,0 @@
package fr.pandacube.lib.core.commands;
import java.util.Arrays;
import fr.pandacube.lib.chat.ChatStatic;
public class AbstractCommand extends ChatStatic {
public final String commandName;
public AbstractCommand(String cmdName) {
commandName = cmdName;
}
/**
* <p>
* Concatène les chaines de caractères passés dans <code>args</code> (avec
* <code>" "</code> comme séparateur), en ommettant
* celles qui se trouvent avant <code>index</code>.<br/>
* Par exemple :
* </p>
* <code>
* getLastParams(new String[] {"test", "bouya", "chaka", "bukkit"}, 1);
* </code>
* <p>
* retournera la chaine "bouya chaka bukkit"
*
* @param args liste des arguments d'une commandes.<br/>
* Le premier élément est l'argument qui suit le nom de la commande.
* Usuellement, ce paramètre correspond au paramètre
* <code>args</code> de la méthode onCommand
*/
public static String getLastParams(String[] args, int index) {
return String.join(" ", Arrays.copyOfRange(args, index, args.length));
}
}

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@@ -1,30 +0,0 @@
package fr.pandacube.lib.core.commands;
import java.util.logging.Logger;
/**
* Throw an instance of this exception to indicate to the plugin command handler
* that the user has missused the command. The message, if provided, must indicate
* the reason of the mussusage of the command. It will be displayed on the screen
* with eventually indication of how to use the command (help command for example).
* If a {@link Throwable} cause is provided, it will be relayed to the plugin {@link Logger}.
*
*/
public class BadCommandUsage extends RuntimeException {
public BadCommandUsage() {
super();
}
public BadCommandUsage(Throwable cause) {
super(cause);
}
public BadCommandUsage(String message) {
super(message);
}
public BadCommandUsage(String message, Throwable cause) {
super(message, cause);
}
}

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@@ -1,387 +0,0 @@
package fr.pandacube.lib.core.commands;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.LongStream;
import java.util.stream.Stream;
import fr.pandacube.lib.util.ListUtil;
import fr.pandacube.lib.util.TimeUtil;
@FunctionalInterface
public interface SuggestionsSupplier<S> {
/**
* Number of suggestion visible at once without having to scroll
*/
int VISIBLE_SUGGESTION_COUNT = 10;
List<String> getSuggestions(S sender, int tokenIndex, String token, String[] args);
static Predicate<String> filter(String token) {
return suggestion -> suggestion != null && suggestion.toLowerCase().startsWith(token.toLowerCase());
}
/**
* Filter the provided {@link Stream} of string according to the provided token, using the filter returned by {@link #filter(String)},
* then returns the strings collected into a {@link List}.
*
* This methods consume the provided stream, so will not be usable anymore.
*/
static List<String> collectFilteredStream(Stream<String> stream, String token) {
return stream.filter(filter(token)).sorted().collect(Collectors.toList());
}
static <S> SuggestionsSupplier<S> empty() { return (s, ti, t, a) -> Collections.emptyList(); }
static <S> SuggestionsSupplier<S> fromCollectionsSupplier(Supplier<Collection<String>> streamSupplier) {
return (s, ti, token, a) -> collectFilteredStream(streamSupplier.get().stream(), token);
}
static <S> SuggestionsSupplier<S> fromStreamSupplier(Supplier<Stream<String>> streamSupplier) {
return (s, ti, token, a) -> collectFilteredStream(streamSupplier.get(), token);
}
static <S> SuggestionsSupplier<S> fromCollection(Collection<String> suggestions) {
return fromStreamSupplier(suggestions::stream);
}
static <S> SuggestionsSupplier<S> fromArray(String... suggestions) {
return fromStreamSupplier(() -> Arrays.stream(suggestions));
}
static <E extends Enum<E>, S> SuggestionsSupplier<S> fromEnum(Class<E> enumClass) {
return fromEnumValues(enumClass.getEnumConstants());
}
static <E extends Enum<E>, S> SuggestionsSupplier<S> fromEnum(Class<E> enumClass, boolean lowerCase) {
return fromEnumValues(lowerCase, enumClass.getEnumConstants());
}
@SafeVarargs
static <E extends Enum<E>, S> SuggestionsSupplier<S> fromEnumValues(E... enumValues) {
return fromEnumValues(false, enumValues);
}
@SafeVarargs
static <E extends Enum<E>, S> SuggestionsSupplier<S> fromEnumValues(boolean lowerCase, E... enumValues) {
return (s, ti, token, a) -> {
Stream<String> st = Arrays.stream(enumValues).map(Enum::name);
if (lowerCase)
st = st.map(String::toLowerCase);
return collectFilteredStream(st, token);
};
}
static <S> SuggestionsSupplier<S> booleanValues() {
return fromCollection(Arrays.asList("true", "false"));
}
/**
* Create a {@link SuggestionsSupplier} that suggest numbers according to the provided range.
*
* The current implementation only support range that include either -1 or 1.
*/
static <S> SuggestionsSupplier<S> fromIntRange(int min, int max, boolean compact) {
return fromLongRange(min, max, compact);
}
/**
* Create a {@link SuggestionsSupplier} that suggest numbers according to the provided range.
*
* The current implementation only support range that include either -1 or 1.
*/
static <S> SuggestionsSupplier<S> fromLongRange(long min, long max, boolean compact) {
if (max < min) {
throw new IllegalArgumentException("min should be less or equals than max");
}
if (compact) {
return (s, ti, token, a) -> {
try {
List<Long> proposedValues = new ArrayList<>();
if (token.length() == 0) {
long start = Math.max(Math.max(Math.min(-4, max - 9), min), -9);
long end = Math.min(Math.min(start + 9, max), 9);
ListUtil.addLongRangeToList(proposedValues, start, end);
}
else if (token.length() == 1) {
if (token.charAt(0) == '0') {
if (min > 0 || max < 0) {
return Collections.emptyList();
}
else
return Collections.singletonList(token);
}
else if (token.charAt(0) == '-') {
ListUtil.addLongRangeToList(proposedValues, Math.max(-9, min), -1);
}
else {
long lToken = Long.parseLong(token);
if (lToken > max) {
return Collections.emptyList();
}
lToken *= 10;
if (lToken > max) {
return Collections.singletonList(token);
}
ListUtil.addLongRangeToList(proposedValues, lToken, Math.min(lToken + 9, max));
}
}
else {
long lToken = Long.parseLong(token);
if (lToken < min || lToken > max) {
return Collections.emptyList();
}
lToken *= 10;
if (lToken < min || lToken > max) {
return Collections.singletonList(token);
}
if (lToken < 0) {
ListUtil.addLongRangeToList(proposedValues, Math.max(lToken - 9, min), lToken);
}
else {
ListUtil.addLongRangeToList(proposedValues, lToken, Math.min(lToken + 9, max));
}
}
return collectFilteredStream(proposedValues.stream().map(Object::toString), token);
} catch (NumberFormatException e) {
return Collections.emptyList();
}
};
}
else {
return (s, ti, token, a) -> collectFilteredStream(LongStream.rangeClosed(min, max).mapToObj(Long::toString), token);
}
}
static <S> SuggestionsSupplier<S> suggestDuration() {
final List<String> emptyTokenSuggestions = DURATION_SUFFIXES.stream().map(p -> "1" + p).collect(Collectors.toList());
return (s, ti, token, args) -> {
if (token.isEmpty()) {
return emptyTokenSuggestions;
}
List<String> remainingSuffixes = new ArrayList<>(DURATION_SUFFIXES);
char[] tokenChars = token.toCharArray();
String accSuffix = "";
for (char c : tokenChars) {
if (Character.isDigit(c)) {
scanAndRemovePastSuffixes(remainingSuffixes, accSuffix);
accSuffix = "";
} else if (Character.isLetter(c)) {
accSuffix += c;
} else
return Collections.emptyList();
}
String prefixToken = token.substring(0, token.length() - accSuffix.length());
return SuggestionsSupplier.collectFilteredStream(remainingSuffixes.stream(), accSuffix)
.stream()
.map(str -> prefixToken + str)
.collect(Collectors.toList());
};
}
/**
* List of all possible duration unit symbols for suggestions.
*/
public static final List<String> DURATION_SUFFIXES = List.of("y", "mo", "w", "d", "h", "m", "s");
private static void scanAndRemovePastSuffixes(List<String> suffixes, String foundSuffix) {
for (int i = 0; i < suffixes.size(); i++) {
if (foundSuffix.startsWith(suffixes.get(i))) {
suffixes.subList(0, i + 1).clear();
return;
}
}
}
/**
* Create a {@link SuggestionsSupplier} that support greedy strings argument using the suggestion from this {@link SuggestionsSupplier}.
* @param index the index of the first argument of the greedy string argument
*/
default SuggestionsSupplier<S> greedyString(int index) {
return (s, ti, token, args) -> {
if (ti < index)
return Collections.emptyList();
String gToken = AbstractCommand.getLastParams(args, index);
String[] splitGToken = gToken.split(" ", -1);
int currentTokenPosition = splitGToken.length - 1;
String[] prevWordsGToken = Arrays.copyOf(splitGToken, currentTokenPosition);
String[] argsWithMergedGreedyToken = Arrays.copyOf(args, index + 1);
argsWithMergedGreedyToken[index] = gToken;
List<String> currentTokenProposal = new ArrayList<>();
for (String suggestion : getSuggestions(s, index, gToken, argsWithMergedGreedyToken)) {
String[] splitSuggestion = suggestion.split(" ", -1);
if (splitSuggestion.length <= currentTokenPosition)
continue;
if (!Arrays.equals(Arrays.copyOf(splitGToken, currentTokenPosition), prevWordsGToken))
continue;
if (splitSuggestion[currentTokenPosition].isEmpty())
continue;
currentTokenProposal.add(splitSuggestion[currentTokenPosition]);
}
return currentTokenProposal;
};
}
default SuggestionsSupplier<S> quotableString() {
return (s, ti, token, a) -> {
boolean startWithQuote = token.length() > 0 && (token.charAt(0) == '"' || token.charAt(0) == '\'');
String realToken = startWithQuote ? unescapeBrigadierQuotable(token.substring(1), token.charAt(0)) : token;
String[] argsCopy = Arrays.copyOf(a, a.length);
argsCopy[a.length - 1] = realToken;
List<String> rawResults = getSuggestions(s, ti, realToken, argsCopy);
boolean needsQuotes = false;
for (String res : rawResults) {
if (!isAllowedInBrigadierUnquotedString(res)) {
needsQuotes = true;
break;
}
}
return needsQuotes
? rawResults.stream().map(SuggestionsSupplier::escapeBrigadierQuotable).collect(Collectors.toList())
: rawResults;
};
}
// inspired from com.mojang.brigadier.StringReader#readQuotedString()
static String unescapeBrigadierQuotable(String input, char quote) {
StringBuilder builder = new StringBuilder(input.length());
boolean escaped = false;
for (char c : input.toCharArray()) {
if (escaped) {
if (c == quote || c == '\\') {
escaped = false;
} else {
builder.append('\\');
}
builder.append(c);
} else if (c == '\\') {
escaped = true;
} else if (c == quote) {
return builder.toString();
} else {
builder.append(c);
}
}
return builder.toString();
}
// from com.mojang.brigadier.StringReader#isAllowedInUnquotedString(char)
static boolean isAllowedInBrigadierUnquotedString(char c) {
return c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z'
|| c == '_' || c == '-' || c == '.' || c == '+';
}
static boolean isAllowedInBrigadierUnquotedString(String s) {
for (char c : s.toCharArray())
if (!isAllowedInBrigadierUnquotedString(c))
return false;
return true;
}
static String escapeBrigadierQuotable(final String input) {
final StringBuilder result = new StringBuilder("\"");
for (int i = 0; i < input.length(); i++) {
final char c = input.charAt(i);
if (c == '\\' || c == '"') {
result.append('\\');
}
result.append(c);
}
result.append("\"");
return result.toString();
}
default SuggestionsSupplier<S> requires(Predicate<S> check) {
return (s, ti, to, a) -> check.test(s) ? getSuggestions(s, ti, to, a) : Collections.emptyList();
}
/**
* Returns a new {@link SuggestionsSupplier} containing all the element of this instance then the element of the provided one,
* with all duplicated values removed using {@link Stream#distinct()}.
*/
default SuggestionsSupplier<S> merge(SuggestionsSupplier<S> other) {
return (s, ti, to, a) -> {
List<String> l1 = getSuggestions(s, ti, to, a);
List<String> l2 = other.getSuggestions(s, ti, to, a);
return Stream.concat(l1.stream(), l2.stream())
.distinct()
.collect(Collectors.toList());
};
}
/**
* Returns a new {@link SuggestionsSupplier} containing all the suggestions of this instance,
* but if this list is still empty, returns the suggestions from the provided one.
*/
default SuggestionsSupplier<S> orIfEmpty(SuggestionsSupplier<S> other) {
return (s, ti, to, a) -> {
List<String> l1 = getSuggestions(s, ti, to, a);
return !l1.isEmpty() ? l1 : other.getSuggestions(s, ti, to, a);
};
}
}

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@@ -12,24 +12,23 @@ import fr.pandacube.lib.chat.ChatColorUtil;
import fr.pandacube.lib.util.Log;
/**
* Class tht loads a specific config file or directory
*
* Class that loads a specific config file or directory.
*/
public abstract class AbstractConfig {
/**
* Correspond au dossier ou au fichier de configuration traité par la sous-classe
* courante de {@link AbstractConfig}
* The {@link File} corresponging to this config file or directory.
*/
protected final File configFile;
/**
* Creates a new {@link AbstractConfig}.
* @param configDir the parent directory
* @param fileOrDirName The name of the config file or folder
* @param type if the provided name is a file or a directory
* @throws IOException if we cannot create the file
* @throws IOException if we cannot create the file or directory.
*/
public AbstractConfig(File configDir, String fileOrDirName, FileType type) throws IOException {
protected AbstractConfig(File configDir, String fileOrDirName, FileType type) throws IOException {
configFile = new File(configDir, fileOrDirName);
if (type == FileType.DIR)
configFile.mkdir();
@@ -38,14 +37,15 @@ public abstract class AbstractConfig {
}
/**
* Gets the lines from the config file
* @param ignoreEmpty <code>true</code> if we ignore the empty lines
* @param ignoreHashtagComment <code>true</code> if we ignore the comment lines (starting with {@code #})
* @param trimOutput <code>true</code> if we want to trim all lines using {@link String#trim()}
* @param f the file to read
* @return the list of lines, filtered according to the parameters
* Gets the lines from the provided file.
* @param ignoreEmpty {@code true} if we ignore the empty lines.
* @param ignoreHashtagComment {@code true} if we ignore the comment lines (starting with {@code #}).
* @param trimOutput {@code true} if we want to trim all lines using {@link String#trim()}.
* @param f the file to read.
* @return the list of lines, filtered according to the parameters, or null if its not a regular file.
* @throws IOException if an IO error occurs.
*/
protected List<String> getFileLines(boolean ignoreEmpty, boolean ignoreHashtagComment, boolean trimOutput, File f) throws IOException {
protected static List<String> getFileLines(boolean ignoreEmpty, boolean ignoreHashtagComment, boolean trimOutput, File f) throws IOException {
if (!f.isFile())
return null;
@@ -74,26 +74,27 @@ public abstract class AbstractConfig {
return lines;
}
/**
* Retourne toutes les lignes du fichier de configuration
* @param ignoreEmpty <code>true</code> si on doit ignorer les lignes vides
* @param ignoreHashtagComment <code>true</code> si on doit ignorer les lignes commentés (commençant par un #)
* @param trimOutput <code>true</code> si on doit appeller la méthode String.trim() sur chaque ligne retournée
* @return la liste des lignes utiles
* Gets the lines from the config file.
* @param ignoreEmpty {@code true} if we ignore the empty lines.
* @param ignoreHashtagComment {@code true} if we ignore the comment lines (starting with {@code #}).
* @param trimOutput {@code true} if we want to trim all lines using {@link String#trim()}.
* @return the list of lines, filtered according to the parameters, or null if its not a regular file.
* @throws IOException if an IO error occurs.
*/
protected List<String> getFileLines(boolean ignoreEmpty, boolean ignoreHashtagComment, boolean trimOutput) throws IOException {
return getFileLines(ignoreEmpty, ignoreHashtagComment, trimOutput, configFile);
}
/**
* Gets the list of files in the config directory.
* @return the list of files in the config directory, or null if this config is not a directory.
*/
protected List<File> getFileList() {
if (!configFile.isDirectory())
return null;
return Arrays.asList(configFile.listFiles());
return configFile.isDirectory() ? Arrays.asList(configFile.listFiles()) : null;
}
@@ -101,43 +102,45 @@ public abstract class AbstractConfig {
/**
* Découpe une chaine de caractère contenant une série de noeuds
* de permissions séparés par des point-virgules et la retourne sous forme d'une liste.
* @param perms la chaine de permissions à traiter
* @return <code>null</code> si le paramètre est nulle ou si <code>perms.equals("*")</code>, ou alors la chaine splittée.
* Splits the provided string into a list of permission nodes.
* The permission nodes must be separated by {@code ";"}.
* @param perms one or more permissions nodes, separated by {@code ";"}.
* @return {@code null} if the parameter is null or is equal to {@code "*"}, or the string splitted using {@code ";"}.
*/
public static List<String> splitPermissionsString(String perms) {
if (perms == null || perms.equals("*"))
return null;
return getSplittedString(perms, ";");
return List.of(perms.split(";"));
}
public static List<String> getSplittedString(String value, String split) {
return List.of(value.split(split));
}
/**
* Utility method to that translate the {@code '&'} formated string to the legacy format.
* @param string the string to convert.
* @return a legacy formated string (using {@code '§'}).
*/
public static String getTranslatedColorCode(String string) {
return ChatColorUtil.translateAlternateColorCodes('&', string);
}
/**
* Logs the message as a warning into console, prefixed with the context of this config.
* @param message the message to log.
*/
protected void warning(String message) {
Log.warning("Erreur dans la configuration de '"+configFile.getName()+"' : "+message);
Log.warning("Error in configuration '"+configFile.getName()+"': " + message);
}
/**
* The type of config.
*/
protected enum FileType {
FILE, DIR
/** A config file. */
FILE,
/** A config directory. */
DIR
}
}

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@@ -3,10 +3,23 @@ package fr.pandacube.lib.core.config;
import java.io.File;
import java.io.IOException;
/**
* An abstract manager for a set of configuration files and folders.
* Its uses is to manage the loading/reloading of the configuration of a plugin.
*/
public abstract class AbstractConfigManager {
/**
* The global configuration directory.
* May be the one provided by the environmenet API (like Plugin.getPluginFolder() in Bukkit).
*/
protected final File configDir;
/**
* Create a new instance of config manager.
* @param configD the config directory.
* @throws IOException if an IO error occurs.
*/
public AbstractConfigManager(File configD) throws IOException {
configDir = configD;
@@ -16,18 +29,24 @@ public abstract class AbstractConfigManager {
}
/**
* Implementation must close all closeable configuration (saving for example)
* Closes the configuration. May handle saving of any non-saved data.
* @throws IOException if an IO error occurs.
*/
public abstract void close() throws IOException;
/**
* Implementation must init all config data
* Loads (or reloads) the configuration data.
* @throws IOException if an IO error occurs.
*/
public abstract void init() throws IOException;
/**
* Utility method to close then reload the config.
* @throws IOException if an IO error occurs.
* @see #close()
* @see #init()
*/
public synchronized void reloadConfig() throws IOException {
close();
init();

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@@ -1,4 +1,4 @@
package fr.pandacube.lib.core.util;
package fr.pandacube.lib.core.json;
import java.io.IOException;
import java.lang.reflect.Constructor;
@@ -17,13 +17,40 @@ import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
/**
* Provides pre-instanciated {@link Gson} instances, all with support for Java records.
*/
public class Json {
/**
* {@link Gson} instance with {@link GsonBuilder#setLenient()} and support for Java records.
*/
public static final Gson gson = build(Function.identity());
/**
* {@link Gson} instance with {@link GsonBuilder#setLenient()}, {@link GsonBuilder#setPrettyPrinting()}
* and support for Java records.
*/
public static final Gson gsonPrettyPrinting = build(GsonBuilder::setPrettyPrinting);
/**
* {@link Gson} instance with {@link GsonBuilder#setLenient()}, {@link GsonBuilder#serializeNulls()}
* and support for Java records.
*/
public static final Gson gsonSerializeNulls = build(GsonBuilder::serializeNulls);
/**
* {@link Gson} instance with {@link GsonBuilder#setLenient()}, {@link GsonBuilder#serializeNulls()},
* {@link GsonBuilder#setPrettyPrinting()} and support for Java records.
*/
public static final Gson gsonSerializeNullsPrettyPrinting = build(b -> b.serializeNulls().setPrettyPrinting());
private static Gson build(Function<GsonBuilder, GsonBuilder> builderModifier) {
return builderModifier
.apply(new GsonBuilder().registerTypeAdapterFactory(new RecordAdapterFactory()).setLenient()).create();
@@ -32,6 +59,10 @@ public class Json {
// from https://github.com/google/gson/issues/1794#issuecomment-812964421
private static class RecordAdapterFactory implements TypeAdapterFactory {
@Override

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@@ -1,4 +1,4 @@
package fr.pandacube.lib.core.util;
package fr.pandacube.lib.core.json;
import java.util.ArrayList;
import java.util.HashMap;
@@ -8,13 +8,16 @@ import java.util.Map;
import com.google.gson.JsonElement;
/**
* Utility for conversion of basic Java types and JsonElements types
* @author Marc
*
* Provides conversion between Java types and {@link JsonElement} types.
*/
public class TypeConverter {
/**
* Converts the provided object to an {@link Integer}.
* @param o the object to convert.
* @return a the object converted to an {@link Integer}.
* @throws ConvertionException is a conversion error occurs.
*/
public static Integer toInteger(Object o) {
if (o == null) {
return null;
@@ -44,14 +47,26 @@ public class TypeConverter {
throw new ConvertionException("No integer convertion available for an instance of "+o.getClass());
}
/**
* Converts the provided object to a primitive int.
* @param o the object to convert.
* @return a the object converted to a primitive int.
* @throws ConvertionException is a conversion error occurs.
*/
public static int toPrimInt(Object o) {
Integer val = toInteger(o);
if (val == null)
throw new ConvertionException("null values can't be converted to primitive int");
return val;
}
/**
* Converts the provided object to a {@link Double}.
* @param o the object to convert.
* @return a the object converted to a {@link Double}.
* @throws ConvertionException is a conversion error occurs.
*/
public static Double toDouble(Object o) {
if (o == null) {
return null;
@@ -82,14 +97,26 @@ public class TypeConverter {
throw new ConvertionException("No double convertion available for an instance of "+o.getClass());
}
/**
* Converts the provided object to a primitive double.
* @param o the object to convert.
* @return a the object converted to a primitive double.
* @throws ConvertionException is a conversion error occurs.
*/
public static double toPrimDouble(Object o) {
Double val = toDouble(o);
if (val == null)
throw new ConvertionException("null values can't converted to primitive int");
return val;
}
/**
* Converts the provided object to a {@link String}.
* @param o the object to convert.
* @return a the object converted to a {@link String}.
* @throws ConvertionException is a conversion error occurs.
*/
public static String toString(Object o) {
if (o == null) {
return null;
@@ -112,11 +139,13 @@ public class TypeConverter {
}
/**
*
* @param o the object to convert to good type
* Converts the provided object to a {@link Map}.
* @param o the object to convert.
* @param mapIntKeys if the String key representing an int should be duplicated as integer type,
* which map to the same value as the original String key. For example, if a key is "12" and map
* to the object <i>o</i>, an integer key 12 will be added and map to the same object <i>o</i>
* to the object <i>o</i>, an integer key 12 will be added and map to the same object <i>o</i>.
* @return a the object converted to a {@link Map}.
* @throws ConvertionException is a conversion error occurs.
*/
@SuppressWarnings("unchecked")
public static Map<Object, Object> toMap(Object o, boolean mapIntKeys) {
@@ -156,14 +185,17 @@ public class TypeConverter {
}
return map;
}
throw new ConvertionException("No Map convertion available for an instance of "+o.getClass());
}
/**
* Converts the provided object to a {@link List}.
* @param o the object to convert.
* @return a the object converted to a {@link List}.
* @throws ConvertionException is a conversion error occurs.
*/
@SuppressWarnings("unchecked")
public static List<Object> toList(Object o) {
if (o == null) {
@@ -190,23 +222,19 @@ public class TypeConverter {
}
/**
* Thrown when a convertion error occurs.
*/
public static class ConvertionException extends RuntimeException {
public ConvertionException(String m) {
private ConvertionException(String m) {
super(m);
}
public ConvertionException(Throwable t) {
private ConvertionException(Throwable t) {
super(t);
}
public ConvertionException(String m, Throwable t) {
super(m, t);
}
}

View File

@@ -15,9 +15,11 @@ import java.util.concurrent.ExecutionException;
import java.util.stream.Collectors;
/**
* Utility class to manage searching among a set of
* SearchResult instances, using case insensitive
* keywords.
* Utility class to manage searching among a set of {@link SearchResult} instances, using case insensitive keywords.
* The search engine is responsible for storing a database of entries ({@link SearchResult}) that can be searched using
* keywords. This class provides methods to returns a list of results for provided keywords, a list of keyword
* suggestions based on pre-typed keywords.
* @param <R> the type of search result.
*/
public class SearchEngine<R extends SearchResult> {
@@ -30,13 +32,21 @@ public class SearchEngine<R extends SearchResult> {
private final Set<R> resultSet = new HashSet<>();
private final Cache<Set<String>, List<String>> suggestionsCache;
/**
* Creates a new search engine.
* @param suggestionsCacheSize the size of the cache for keyword suggestions (for optimization).
*/
public SearchEngine(int suggestionsCacheSize) {
suggestionsCache = CacheBuilder.newBuilder()
.maximumSize(suggestionsCacheSize)
.build();
}
/**
* Adds an entry in this search engine.
* @param result the new entry.
*/
public synchronized void addResult(R result) {
if (result == null)
throw new IllegalArgumentException("Provided result cannot be null.");
@@ -83,7 +93,11 @@ public class SearchEngine<R extends SearchResult> {
suggestionsCache.invalidateAll();
}
/**
* Removes the provided entry from this search engine.
* @param result the new entry.
*/
public synchronized void removeResult(R result) {
if (result == null || !resultSet.contains(result))
return;
@@ -118,7 +132,12 @@ public class SearchEngine<R extends SearchResult> {
suggestionsCache.invalidateAll();
}
/**
* Provides all the search results that correspond to all the provided keywords.
* @param searchTerms all the search terms (keywords).
* @return all the search results that correspond to all the provided keywords.
*/
public synchronized Set<R> search(Set<String> searchTerms) {
if (searchTerms == null)
searchTerms = new HashSet<>();
@@ -130,7 +149,12 @@ public class SearchEngine<R extends SearchResult> {
return retainedResults;
}
/**
* Provides all the search results that correspond to the provided keyword.
* @param searchTerm the search term (keyword). If null, all the possible results are returned.
* @return all the search results that correspond to the provided keyword.
*/
public synchronized Set<R> search(String searchTerm) {
if (searchTerm == null || searchTerm.isEmpty()) {
return new HashSet<>(resultSet);
@@ -145,7 +169,12 @@ public class SearchEngine<R extends SearchResult> {
return retainedResults;
}
/**
* Provides the next keyword to suggest, based on the already typed keywords.
* @param prevSearchTerms the already typed keywords.
* @return the next keywords to suggest.
*/
public synchronized List<String> suggestKeywords(List<String> prevSearchTerms) {
if (prevSearchTerms == null || prevSearchTerms.isEmpty()) {
return new ArrayList<>(suggestionsKeywordsResultMap.keySet());

View File

@@ -2,10 +2,22 @@ package fr.pandacube.lib.core.search;
import java.util.Set;
/**
* An entry in the {@link SearchEngine}.
*/
public interface SearchResult {
/**
* Returns the keywords corresponding to this search result.
* @return the keywords corresponding to this search result.
*/
Set<String> getSearchKeywords();
/**
* Returns the keywords to suggest corresponding to this search result.
* It may be different from the search keywords.
* @return the keywords to suggest corresponding to this search result.
*/
Set<String> getSuggestionKeywords();
}

View File

@@ -1,129 +0,0 @@
package fr.pandacube.lib.core.util;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Objects;
import com.google.gson.JsonSyntaxException;
import fr.pandacube.lib.util.Log;
public class ServerPropertyFile {
private final transient File file;
private String name = "default_name";
private String memory = "512M";
private String javaArgs = "";
private String MinecraftArgs = "";
private String jarFile = "";
private long startupDelay = 0;
private boolean run = true;
public ServerPropertyFile(File f) {
file = Objects.requireNonNull(f, "f");
}
/**
* Charge le fichier de configuration dans cette instance de la classe
*
* @return true si le chargement a réussi, false sinon
*/
public boolean loadFromFile() {
try (BufferedReader in = new BufferedReader(new FileReader(file))) {
ServerPropertyFile dataFile = Json.gsonPrettyPrinting.fromJson(in, getClass());
name = dataFile.name;
memory = dataFile.memory;
javaArgs = dataFile.javaArgs;
MinecraftArgs = dataFile.MinecraftArgs;
jarFile = dataFile.jarFile;
run = dataFile.run;
startupDelay = dataFile.startupDelay;
return true;
} catch(JsonSyntaxException e) {
Log.severe("Error in config file " + file + ": backed up and creating a new one from previous or default values.", e);
return save();
} catch (IOException e) {
Log.severe(e);
return false;
}
}
public boolean save() {
try (BufferedWriter out = new BufferedWriter(new FileWriter(file, false))) {
Json.gsonPrettyPrinting.toJson(this, out);
out.flush();
return true;
} catch (IOException e) {
Log.severe(e);
}
return false;
}
public String getName() {
return name;
}
public String getMemory() {
return memory;
}
public String getJavaArgs() {
return javaArgs;
}
public String getMinecraftArgs() {
return MinecraftArgs;
}
public String getJarFile() {
return jarFile;
}
public boolean isRun() {
return run;
}
public long getStartupDelay() {
return startupDelay;
}
public void setName(String n) {
if (n == null || !n.matches("^[a-zA-Z]$")) throw new IllegalArgumentException();
name = n;
}
public void setMemory(String m) {
if (m == null || !m.matches("^\\d+[mgMG]$")) throw new IllegalArgumentException();
memory = m;
}
public void setJavaArgs(String ja) {
if (ja == null) throw new IllegalArgumentException();
javaArgs = ja;
}
public void setMinecraftArgs(String ma) {
if (ma == null) throw new IllegalArgumentException();
MinecraftArgs = ma;
}
public void setJarFile(String j) {
if (j == null) throw new IllegalArgumentException();
jarFile = j;
}
public void setRun(boolean r) {
run = r;
}
}