001// --------------------------------------------------------------------------------
002// Copyright 2002-2024 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 com.echothree.model.control.core.common.transfer.MimeTypeTransfer;
020import com.echothree.model.control.core.server.control.CoreControl;
021import com.echothree.model.control.message.common.transfer.MessageBlobTransfer;
022import com.echothree.model.control.message.common.transfer.MessageTransfer;
023import com.echothree.model.control.message.server.control.MessageControl;
024import com.echothree.model.control.party.common.transfer.LanguageTransfer;
025import com.echothree.model.control.party.server.control.PartyControl;
026import com.echothree.model.data.message.server.entity.MessageBlob;
027import com.echothree.model.data.user.server.entity.UserVisit;
028import com.echothree.util.common.persistence.type.ByteArray;
029import com.echothree.util.server.persistence.Session;
030
031public class MessageBlobTransferCache
032        extends BaseMessageTransferCache<MessageBlob, MessageBlobTransfer> {
033    
034    CoreControl coreControl;
035    PartyControl partyControl;
036    
037    /** Creates a new instance of MessageBlobTransferCache */
038    public MessageBlobTransferCache(UserVisit userVisit, MessageControl messageControl) {
039        super(userVisit, messageControl);
040        
041        coreControl = Session.getModelController(CoreControl.class);
042        partyControl = Session.getModelController(PartyControl.class);
043    }
044    
045    public MessageBlobTransfer getMessageBlobTransfer(MessageBlob messageBlob) {
046        MessageBlobTransfer messageBlobTransfer = get(messageBlob);
047        
048        if(messageBlobTransfer == null) {
049            MessageTransfer message = messageControl.getMessageTransfer(userVisit, messageBlob.getMessage());
050            LanguageTransfer language = partyControl.getLanguageTransfer(userVisit, messageBlob.getLanguage());
051            MimeTypeTransfer mimeType = coreControl.getMimeTypeTransfer(userVisit, messageBlob.getMimeType());
052            ByteArray blob = messageBlob.getBlob();
053            
054            messageBlobTransfer = new MessageBlobTransfer(message, language, mimeType, blob);
055            put(messageBlob, messageBlobTransfer);
056        }
057        
058        return messageBlobTransfer;
059    }
060    
061}