mojo.view.util.SpringUtils.java Source code

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Here is the source code for mojo.view.util.SpringUtils.java

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/*
 * Copyright (C) 2010 Dimitrios Menounos
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package mojo.view.util;

import java.beans.Introspector;

import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringUtils implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    public static boolean containsBean(String id) {
        if (id == null || id.isEmpty()) {
            return false;
        }

        return applicationContext.containsBean(id);
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(String id, Object... args) {
        if (args != null && args.length == 0) {
            args = null;
        }

        return (T) applicationContext.getBean(id, args);
    }

    @SuppressWarnings("unchecked")
    public static <T> T getComponent(Class<?> klass) {
        String name = Introspector.decapitalize(klass.getSimpleName());
        return (T) applicationContext.getBean(name);
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) {
        SpringUtils.applicationContext = applicationContext;
    }
}