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.core.server.logic;
018
019import com.echothree.model.control.core.common.exception.UnknownApplicationEditorException;
020import com.echothree.model.control.core.common.exception.UnknownApplicationEditorUseNameException;
021import com.echothree.model.control.core.common.exception.UnknownApplicationNameException;
022import com.echothree.model.control.core.common.exception.UnknownEditorNameException;
023import com.echothree.model.control.core.server.control.CoreControl;
024import com.echothree.model.data.core.server.entity.Application;
025import com.echothree.model.data.core.server.entity.ApplicationEditor;
026import com.echothree.model.data.core.server.entity.ApplicationEditorUse;
027import com.echothree.model.data.core.server.entity.Editor;
028import com.echothree.util.common.message.ExecutionErrors;
029import com.echothree.util.server.control.BaseLogic;
030import com.echothree.util.server.message.ExecutionErrorAccumulator;
031import com.echothree.util.server.persistence.Session;
032
033public class ApplicationLogic
034        extends BaseLogic {
035    
036    private ApplicationLogic() {
037        super();
038    }
039    
040    private static class ApplicationLogicHolder {
041        static ApplicationLogic instance = new ApplicationLogic();
042    }
043    
044    public static ApplicationLogic getInstance() {
045        return ApplicationLogicHolder.instance;
046    }
047    
048    public Application getApplicationByName(final ExecutionErrorAccumulator eea, final String applicationName) {
049        var coreControl = Session.getModelController(CoreControl.class);
050        Application application = coreControl.getApplicationByName(applicationName);
051
052        if(application == null) {
053            handleExecutionError(UnknownApplicationNameException.class, eea, ExecutionErrors.UnknownApplicationName.name(), applicationName);
054        }
055
056        return application;
057    }
058    
059    public Editor getEditorByName(final ExecutionErrorAccumulator eea, final String editorName) {
060        var coreControl = Session.getModelController(CoreControl.class);
061        Editor editor = coreControl.getEditorByName(editorName);
062
063        if(editor == null) {
064            handleExecutionError(UnknownEditorNameException.class, eea, ExecutionErrors.UnknownEditorName.name(), editorName);
065        }
066
067        return editor;
068    }
069    
070    public ApplicationEditor getApplicationEditor(final ExecutionErrorAccumulator eea, final Application application, final Editor editor) {
071        var coreControl = Session.getModelController(CoreControl.class);
072        ApplicationEditor applicationEditor = coreControl.getApplicationEditor(application, editor);
073        
074        if(applicationEditor == null) {
075            handleExecutionError(UnknownApplicationEditorException.class, eea, ExecutionErrors.UnknownApplicationEditor.name(),
076                    application.getLastDetail().getApplicationName(), editor.getLastDetail().getEditorName());
077        }
078        
079        return applicationEditor;
080    }
081
082    public ApplicationEditorUse getApplicationEditorUseByName(final ExecutionErrorAccumulator eea, final Application application,
083            final String applicationEditorUseName) {
084        var coreControl = Session.getModelController(CoreControl.class);
085        ApplicationEditorUse applicationEditorUse = coreControl.getApplicationEditorUseByName(application, applicationEditorUseName);
086
087        if(applicationEditorUse == null) {
088            handleExecutionError(UnknownApplicationEditorUseNameException.class, eea, ExecutionErrors.UnknownApplicationEditorUseName.name(),
089                    application.getLastDetail().getApplicationName(), applicationEditorUseName);
090        }
091
092        return applicationEditorUse;
093    }
094    
095}