Add TARGMAX support

Author: mbax

src/main/java/org/kitteh/irc/client/library/defaults/element/isupport/DefaultISupportTargMax.java

@@ -0,0 +1,73 @@
+/*
+ * * Copyright (C) 2013-2021 Matt Baxter https://kitteh.org
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.kitteh.irc.client.library.defaults.element.isupport;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.kitteh.irc.client.library.Client;
+import org.kitteh.irc.client.library.defaults.element.DefaultISupportParameter;
+import org.kitteh.irc.client.library.element.ISupportParameter;
+import org.kitteh.irc.client.library.util.CIKeyMap;
+import org.kitteh.irc.client.library.util.Pair;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.OptionalInt;
+import java.util.Set;
+
+/**
+ * Default implementation of {@link org.kitteh.irc.client.library.element.ISupportParameter.TargMax}.
+ */
+public class DefaultISupportTargMax extends DefaultISupportParameter implements ISupportParameter.TargMax {
+    private final CIKeyMap<Pair<String, OptionalInt>> map;
+
+    /**
+     * Constructs the object.
+     *
+     * @param client client
+     * @param name parameter name
+     * @param value parameter value, if present
+     */
+    public DefaultISupportTargMax(@NonNull Client client, @NonNull String name, @Nullable String value) {
+        super(client, name, value);
+        this.map = new CIKeyMap<>(client);
+        if (value != null) {
+            for (String string : value.split(",")) {
+                String[] parts = string.split(":");
+                this.map.put(parts[0], Pair.of(parts[0], parts.length==1?OptionalInt.empty() : OptionalInt.of(Integer.parseInt(parts[1]))));
+            }
+        }
+    }
+
+    @Override
+    public @NonNull Set<Pair<String, OptionalInt>> getEntries() {
+        return Collections.unmodifiableSet(new HashSet<>(this.map.values()));
+    }
+
+    @Override
+    public @NonNull OptionalInt getMax(@NonNull String command) {
+        Pair<String,OptionalInt> pair = this.map.get(command);
+        return pair == null ? OptionalInt.empty() : pair.getRight();
+    }
+}

src/main/java/org/kitteh/irc/client/library/defaults/feature/DefaultISupportManager.java

@@ -48,6 +48,7 @@
 import org.kitteh.irc.client.library.defaults.element.isupport.DefaultISupportPrefix;
 import org.kitteh.irc.client.library.defaults.element.isupport.DefaultISupportSilence;
 import org.kitteh.irc.client.library.defaults.element.isupport.DefaultISupportStatusMsg;
+import org.kitteh.irc.client.library.defaults.element.isupport.DefaultISupportTargMax;
 import org.kitteh.irc.client.library.defaults.element.isupport.DefaultISupportTopicLen;
 import org.kitteh.irc.client.library.defaults.element.isupport.DefaultISupportUserLen;
 import org.kitteh.irc.client.library.defaults.element.isupport.DefaultISupportWhoX;
@@ -91,6 +92,7 @@ public DefaultISupportManager(Client.WithManagement client) {
         this.registerParameter(ISupportParameter.Prefix.NAME, DefaultISupportPrefix::new);
         this.registerParameter(ISupportParameter.Silence.NAME, DefaultISupportSilence::new);
         this.registerParameter(ISupportParameter.StatusMsg.NAME, DefaultISupportStatusMsg::new);
+        this.registerParameter(ISupportParameter.TargMax.NAME, DefaultISupportTargMax::new);
         this.registerParameter(ISupportParameter.TopicLen.NAME, DefaultISupportTopicLen::new);
         this.registerParameter(ISupportParameter.UserLen.NAME, DefaultISupportUserLen::new);
         this.registerParameter(ISupportParameter.WhoX.NAME, DefaultISupportWhoX::new);

src/main/java/org/kitteh/irc/client/library/element/ISupportParameter.java

@@ -26,6 +26,7 @@
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.kitteh.irc.client.library.element.mode.ChannelMode;
 import org.kitteh.irc.client.library.element.mode.ChannelUserMode;
+import org.kitteh.irc.client.library.util.Pair;
 
 import java.util.List;
 import java.util.Map;
@@ -452,6 +453,31 @@ interface StatusMsg extends ISupportParameter {
         Set<Character> getPrefixes();
     }
 
+    /**
+     * Limits of targets for commands.
+     */
+    interface TargMax extends ISupportParameter {
+        /**
+         * Parameter name.
+         */
+        String NAME = "TARGMAX";
+
+        /**
+         * Gets the set of max target entries.
+         *
+         * @return set of entries, empty if none specified.
+         */
+        @NonNull Set<Pair<String, OptionalInt>> getEntries();
+
+        /**
+         * Gets the max, if any, for a given command.
+         *
+         * @param command command
+         * @return max, if any, for the command
+         */
+        @NonNull OptionalInt getMax(@NonNull String command);
+    }
+
     /**
      * Represents the length limit of topics.
      */