X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fcore%2FOptions.java;h=7392da2dd15f49f8bd2eab121e6ce5a421bedf57;hb=89f4300557674bdc63bd83f77fc7cdb6171b83f5;hp=04010da56b643736f298ee61cd538edfd1f568a2;hpb=a93ce25138d3799324bb0fba0cff589f9b83cc23;p=Sone.git
diff --git a/src/main/java/net/pterodactylus/sone/core/Options.java b/src/main/java/net/pterodactylus/sone/core/Options.java
index 04010da..7392da2 100644
--- a/src/main/java/net/pterodactylus/sone/core/Options.java
+++ b/src/main/java/net/pterodactylus/sone/core/Options.java
@@ -1,8 +1,31 @@
+/*
+ * Sone - Options.java - Copyright © 2010 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
package net.pterodactylus.sone.core;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
+import net.pterodactylus.util.validation.Validator;
+
/**
* Stores various options that influence Soneâs behaviour.
*
@@ -43,12 +66,26 @@ public class Options {
public T getReal();
/**
+ * Validates the given value. Note that {@code null} is always a valid
+ * value!
+ *
+ * @param value
+ * The value to validate
+ * @return {@code true} if this option does not have a {@link Validator}
+ * , or the {@link Validator} validates this object, {@code
+ * false} otherwise
+ */
+ public boolean validate(T value);
+
+ /**
* Sets the current value of the option.
*
* @param value
* The new value of the option
+ * @throws IllegalArgumentException
+ * if the value is not valid for this option
*/
- public void set(T value);
+ public void set(T value) throws IllegalArgumentException;
}
@@ -90,22 +127,40 @@ public class Options {
private final T defaultValue;
/** The current value. */
- private T value;
+ private volatile T value;
+
+ /** The validator. */
+ private Validator validator;
/** The option watcher. */
- private final OptionWatcher optionWatcher;
+ private final List> optionWatchers = new ArrayList>();
+
+ /**
+ * Creates a new default option.
+ *
+ * @param defaultValue
+ * The default value of the option
+ * @param optionWatchers
+ * The option watchers
+ */
+ public DefaultOption(T defaultValue, OptionWatcher... optionWatchers) {
+ this(defaultValue, null, optionWatchers);
+ }
/**
* Creates a new default option.
*
* @param defaultValue
* The default value of the option
- * @param optionWatcher
- * The option watcher
+ * @param validator
+ * The validator for value validation
+ * @param optionWatchers
+ * The option watchers
*/
- public DefaultOption(T defaultValue, OptionWatcher optionWatcher) {
+ public DefaultOption(T defaultValue, Validator validator, OptionWatcher... optionWatchers) {
this.defaultValue = defaultValue;
- this.optionWatcher = optionWatcher;
+ this.validator = validator;
+ this.optionWatchers.addAll(Arrays.asList(optionWatchers));
}
/**
@@ -138,19 +193,63 @@ public class Options {
/**
* {@inheritDoc}
*/
+ public boolean validate(T value) {
+ return (validator == null) || (value == null) || validator.validate(value);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
@Override
public void set(T value) {
+ if ((value != null) && (validator != null) && (!validator.validate(value))) {
+ throw new IllegalArgumentException("New Value (" + value + ") could not be validated.");
+ }
T oldValue = this.value;
this.value = value;
if (!get().equals(oldValue)) {
- optionWatcher.optionChanged(this, oldValue, get());
+ for (OptionWatcher optionWatcher : optionWatchers) {
+ optionWatcher.optionChanged(this, oldValue, get());
+ }
}
}
}
+ /** Holds all {@link Boolean} {@link Option}s. */
+ private final Map> booleanOptions = Collections.synchronizedMap(new HashMap>());
+
/** Holds all {@link Integer} {@link Option}s. */
- private final Map> integerOptions = new HashMap>();
+ private final Map> integerOptions = Collections.synchronizedMap(new HashMap>());
+
+ /** Holds all {@link String} {@link Option}s. */
+ private final Map> stringOptions = Collections.synchronizedMap(new HashMap>());
+
+ /**
+ * Adds a boolean option.
+ *
+ * @param name
+ * The name of the option
+ * @param booleanOption
+ * The option
+ * @return The given option
+ */
+ public Option addBooleanOption(String name, Option booleanOption) {
+ booleanOptions.put(name, booleanOption);
+ return booleanOption;
+ }
+
+ /**
+ * Returns the boolean option with the given name.
+ *
+ * @param name
+ * The name of the option
+ * @return The option, or {@code null} if there is no option with the given
+ * name
+ */
+ public Option getBooleanOption(String name) {
+ return booleanOptions.get(name);
+ }
/**
* Adds an {@link Integer} {@link Option}.
@@ -178,4 +277,30 @@ public class Options {
return integerOptions.get(name);
}
+ /**
+ * Adds a {@link String} {@link Option}.
+ *
+ * @param name
+ * The name of the option
+ * @param stringOption
+ * The option
+ * @return The given option
+ */
+ public Option addStringOption(String name, Option stringOption) {
+ stringOptions.put(name, stringOption);
+ return stringOption;
+ }
+
+ /**
+ * Returns a {@link String} {@link Option}.
+ *
+ * @param name
+ * The name of the string option to get
+ * @return The string option, or {@code null} if there is no option with the
+ * given name
+ */
+ public Option getStringOption(String name) {
+ return stringOptions.get(name);
+ }
+
}