001// --------------------------------------------------------------------------------
002// Copyright 2002-2026 Echo Three, LLC
003//
004// Licensed under the Apache License, Version 2.0 (the "License");
005// you may not use this file except in compliance with the License.
006// You may obtain a copy of the License at
007//
008//     http://www.apache.org/licenses/LICENSE-2.0
009//
010// Unless required by applicable law or agreed to in writing, software
011// distributed under the License is distributed on an "AS IS" BASIS,
012// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013// See the License for the specific language governing permissions and
014// limitations under the License.
015// --------------------------------------------------------------------------------
016
017package com.echothree.model.control.message.server.transfer;
018
019import javax.inject.Inject;
020import com.echothree.model.control.core.server.control.MimeTypeControl;
021import com.echothree.model.control.message.common.transfer.MessageBlobTransfer;
022import com.echothree.model.control.message.server.control.MessageControl;
023import com.echothree.model.control.party.server.control.PartyControl;
024import com.echothree.model.data.message.server.entity.MessageBlob;
025import com.echothree.model.data.user.server.entity.UserVisit;
026import javax.enterprise.context.RequestScoped;
027
028@RequestScoped
029public class MessageBlobTransferCache
030        extends BaseMessageTransferCache<MessageBlob, MessageBlobTransfer> {
031
032    @Inject
033    MessageControl messageControl;
034
035    @Inject
036    MimeTypeControl mimeTypeControl;
037
038    @Inject
039    PartyControl partyControl;
040    
041    /** Creates a new instance of MessageBlobTransferCache */
042    protected MessageBlobTransferCache() {
043        super();
044    }
045    
046    public MessageBlobTransfer getMessageBlobTransfer(UserVisit userVisit, MessageBlob messageBlob) {
047        var messageBlobTransfer = get(messageBlob);
048        
049        if(messageBlobTransfer == null) {
050            var message = messageControl.getMessageTransfer(userVisit, messageBlob.getMessage());
051            var language = partyControl.getLanguageTransfer(userVisit, messageBlob.getLanguage());
052            var mimeType = mimeTypeControl.getMimeTypeTransfer(userVisit, messageBlob.getMimeType());
053            var blob = messageBlob.getBlob();
054            
055            messageBlobTransfer = new MessageBlobTransfer(message, language, mimeType, blob);
056            put(userVisit, messageBlob, messageBlobTransfer);
057        }
058        
059        return messageBlobTransfer;
060    }
061    
062}