47 lines
1.8 KiB
Java
47 lines
1.8 KiB
Java
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/**
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*
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* Copyright 2019 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.avatar;
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import org.jxmpp.jid.EntityBareJid;
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/**
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* The {@link AvatarMetadataStore} interface defines methods used by the {@link UserAvatarManager} to determine,
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* whether the client already has a local copy of a published avatar or if the user needs to be informed about the
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* update in order to download the image.
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*/
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public interface AvatarMetadataStore {
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/**
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* Determine, if the client already has a copy of the avatar with {@code itemId} available or not.
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*
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* @param jid {@link EntityBareJid} of the entity that published the avatar.
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* @param itemId itemId of the avatar
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*
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* @return true if the client already has a local copy of the avatar, false otherwise
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*/
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boolean hasAvatarAvailable(EntityBareJid jid, String itemId);
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/**
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* Mark the tuple (jid, itemId) as available. This means that the client already has a local copy of the avatar
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* available and wishes not to be notified about this particular avatar anymore.
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*
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* @param jid {@link EntityBareJid} of the entity that published the avatar.
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* @param itemId itemId of the avatar
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*/
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void setAvatarAvailable(EntityBareJid jid, String itemId);
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}
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