com.glaf.template.engine.TemplateEngineFactory.java Source code

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Here is the source code for com.glaf.template.engine.TemplateEngineFactory.java

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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.glaf.template.engine;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.*;
import com.glaf.core.config.*;

public class TemplateEngineFactory {
    protected static final Log logger = LogFactory.getLog(TemplateEngineFactory.class);
    private static org.springframework.context.ApplicationContext ctx;
    private final static String DEFAULT_CONFIG = "com/glaf/core/template/engine/template-engines-context.xml";

    public static ApplicationContext getApplicationContext() {
        return ctx;
    }

    public static Object getBean(Object key) {
        if (ctx == null) {
            ctx = reload();
        }
        return ctx.getBean((String) key);
    }

    public static ApplicationContext reload() {
        if (ctx != null) {
            ctx = null;
        }
        String configLocation = CustomProperties.getString("template.engines.context");
        if (StringUtils.isEmpty(configLocation)) {
            configLocation = SystemProperties.getString("template.engines.context");
        }
        if (StringUtils.isEmpty(configLocation)) {
            configLocation = DEFAULT_CONFIG;
        }
        ctx = new ClassPathXmlApplicationContext(configLocation);
        logger.debug("start spring ioc from: " + configLocation);
        return ctx;
    }

}