org.openlegacy.db.loaders.support.DbActionsAnnotationLoader.java Source code

Introduction

Here is the source code for org.openlegacy.db.loaders.support.DbActionsAnnotationLoader.java

Source

/*******************************************************************************
 * Copyright (c) 2014 OpenLegacy Inc.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     OpenLegacy Inc. - initial API and implementation
 *******************************************************************************/

package org.openlegacy.db.loaders.support;

import org.apache.commons.lang.StringUtils;
import org.openlegacy.EntitiesRegistry;
import org.openlegacy.annotations.db.Action;
import org.openlegacy.annotations.db.DbActions;
import org.openlegacy.db.actions.DbAction;
import org.openlegacy.db.definitions.DbEntityDefinition;
import org.openlegacy.db.definitions.SimpleDbActionDefinition;
import org.openlegacy.definitions.ActionDefinition;
import org.openlegacy.loaders.support.AbstractClassAnnotationLoader;
import org.openlegacy.utils.ReflectionUtil;
import org.openlegacy.utils.StringUtil;
import org.springframework.stereotype.Component;

import java.lang.annotation.Annotation;
import java.util.List;

/**
 * @author Ivan Bort
 * 
 */
@Component
public class DbActionsAnnotationLoader extends AbstractClassAnnotationLoader {

    @Override
    public boolean match(Annotation annotation) {
        return annotation.annotationType() == DbActions.class;
    }

    @Override
    @SuppressWarnings({ "rawtypes", "unchecked" })
    public void load(EntitiesRegistry entitiesRegistry, Annotation annotation, Class<?> containingClass) {

        DbEntityDefinition dbEntityDefinition = (DbEntityDefinition) entitiesRegistry.get(containingClass);
        List<ActionDefinition> actionsRef = dbEntityDefinition.getActions();

        DbActions dbActions = (DbActions) annotation;
        Action[] actions = dbActions.actions();
        if (actions.length > 0) {
            for (Action action : actions) {
                Class<? extends DbAction> theAction = action.action();

                SimpleDbActionDefinition actionDefinition = null;
                String displayName = action.displayName().length() > 0 ? action.displayName()
                        : StringUtil.toDisplayName(action.action().getSimpleName());
                actionDefinition = new SimpleDbActionDefinition(ReflectionUtil.newInstance(theAction), displayName);

                if (StringUtils.isEmpty(action.alias())) {
                    actionDefinition.setAlias(StringUtils.uncapitalize(displayName));
                } else {
                    actionDefinition.setAlias(action.alias());
                }

                actionDefinition.setGlobal(action.global());
                if (action.targetEntity() != void.class) {
                    actionDefinition.setTargetEntity(action.targetEntity());
                }
                actionsRef.add(actionDefinition);
            }
        }
    }

}