/
MessageMentionsImpl.java
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/
MessageMentionsImpl.java
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/*
* Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dv8tion.jda.internal.entities;
import gnu.trove.iterator.TLongIterator;
import gnu.trove.map.TLongObjectMap;
import gnu.trove.map.hash.TLongObjectHashMap;
import gnu.trove.set.TLongSet;
import gnu.trove.set.hash.TLongHashSet;
import net.dv8tion.jda.api.entities.*;
import net.dv8tion.jda.api.entities.channel.middleman.GuildChannel;
import net.dv8tion.jda.api.utils.MiscUtil;
import net.dv8tion.jda.api.utils.data.DataArray;
import net.dv8tion.jda.api.utils.data.DataObject;
import net.dv8tion.jda.internal.JDAImpl;
import net.dv8tion.jda.internal.entities.mentions.AbstractMentions;
import javax.annotation.Nonnull;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.regex.Matcher;
import java.util.stream.Collectors;
public class MessageMentionsImpl extends AbstractMentions
{
private final TLongObjectMap<DataObject> userMentionMap;
private final TLongSet roleMentionMap;
public MessageMentionsImpl(JDAImpl jda, GuildImpl guild, String content,
boolean mentionsEveryone, DataArray userMentions, DataArray roleMentions)
{
super(content, jda, guild, mentionsEveryone);
this.userMentionMap = new TLongObjectHashMap<>(userMentions.length());
this.roleMentionMap = new TLongHashSet(roleMentions.stream(DataArray::getUnsignedLong).collect(Collectors.toList()));
userMentions.stream(DataArray::getObject)
.forEach(obj -> {
if (obj.isNull("member"))
{
this.userMentionMap.put(obj.getUnsignedLong("id"), obj.put("is_member", false));
return;
}
DataObject member = obj.getObject("member");
obj.remove("user");
member.put("user", obj).put("is_member", true);
this.userMentionMap.put(obj.getUnsignedLong("id"), member);
});
// Eager parsing member mentions for caching purposes
getMembers();
}
@Nonnull
@Override
public synchronized List<Member> getMembers()
{
if (guild == null)
return Collections.emptyList();
if (mentionedMembers != null)
return mentionedMembers;
// Parse members from mentions array in order of appearance
EntityBuilder entityBuilder = jda.getEntityBuilder();
TLongSet unseen = new TLongHashSet(userMentionMap.keySet());
ArrayList<Member> members = processMentions(Message.MentionType.USER, new ArrayList<>(), true, (matcher) -> {
unseen.remove(Long.parseUnsignedLong(matcher.group(1)));
return matchMember(matcher);
});
// Add reply mentions at beginning
for (TLongIterator iter = unseen.iterator(); iter.hasNext();)
{
DataObject mention = userMentionMap.get(iter.next());
if (mention.getBoolean("is_member"))
members.add(0, entityBuilder.createMember(guild, mention));
}
// Update member cache
members.stream()
.map(MemberImpl.class::cast)
.forEach(entityBuilder::updateMemberCache);
return mentionedMembers = Collections.unmodifiableList(members);
}
@Nonnull
@Override
public synchronized List<User> getUsers()
{
if (mentionedUsers != null)
return mentionedUsers;
// Parse members from mentions array in order of appearance
EntityBuilder entityBuilder = jda.getEntityBuilder();
TLongSet unseen = new TLongHashSet(userMentionMap.keySet());
List<User> users = processMentions(Message.MentionType.USER, new ArrayList<>(), true, (matcher) -> {
unseen.remove(Long.parseUnsignedLong(matcher.group(1)));
return matchUser(matcher);
});
// Add reply mentions at beginning
for (TLongIterator iter = unseen.iterator(); iter.hasNext();)
{
DataObject mention = userMentionMap.get(iter.next());
if (mention.getBoolean("is_member"))
users.add(0, entityBuilder.createUser(mention.getObject("user")));
else
users.add(0, entityBuilder.createUser(mention));
}
return mentionedUsers = Collections.unmodifiableList(users);
}
@Override
protected User matchUser(Matcher matcher)
{
long userId = MiscUtil.parseSnowflake(matcher.group(1));
DataObject mention = userMentionMap.get(userId);
if (mention == null)
return null;
if (!mention.getBoolean("is_member"))
return jda.getEntityBuilder().createUser(mention);
Member member = matchMember(matcher);
return member == null ? null : member.getUser();
}
@Override
protected Member matchMember(Matcher matcher)
{
long id = Long.parseUnsignedLong(matcher.group(1));
DataObject member = userMentionMap.get(id);
return member != null && member.getBoolean("is_member")
? jda.getEntityBuilder().createMember(guild, member)
: null;
}
@Override
protected GuildChannel matchChannel(Matcher matcher)
{
long channelId = MiscUtil.parseSnowflake(matcher.group(1));
return getJDA().getGuildChannelById(channelId);
}
@Override
protected Role matchRole(Matcher matcher)
{
long roleId = MiscUtil.parseSnowflake(matcher.group(1));
if (!roleMentionMap.contains(roleId))
return null;
if (guild != null)
return guild.getRoleById(roleId);
else
return getJDA().getRoleById(roleId);
}
@Override
protected boolean isUserMentioned(IMentionable mentionable)
{
return userMentionMap.containsKey(mentionable.getIdLong());
}
}