com.feilong.taglib.display.httpconcat.builder.HttpConcatGlobalConfigBuilder Maven / Gradle / Ivy
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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.
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/*
* Copyright (C) 2008 feilong
*
* Licensed 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.feilong.taglib.display.httpconcat.builder;
import static com.feilong.core.bean.ConvertUtil.convert;
import static com.feilong.core.bean.ConvertUtil.toInteger;
import static com.feilong.core.util.ResourceBundleUtil.getValue;
import java.util.ResourceBundle;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.feilong.core.Validate;
import com.feilong.core.util.ResourceBundleUtil;
import com.feilong.json.JsonUtil;
import com.feilong.lib.lang3.BooleanUtils;
import com.feilong.taglib.display.httpconcat.command.HttpConcatGlobalConfig;
/**
* {@link HttpConcatGlobalConfig} 构造器.
*
* @author feilong
* @since 1.5.0
* @since 1.8.8 change class Access Modifiers
*/
public final class HttpConcatGlobalConfigBuilder{
/** The Constant log. */
private static final Logger LOGGER = LoggerFactory.getLogger(HttpConcatGlobalConfigBuilder.class);
//---------------------------------------------------------------
/** 配置文件 {@value}
. */
//XXX support different environment
private static final String CONFIG_FILE = "config/httpconcat";
/** The Constant HTTPCONCAT_RESOURCEBUNDLE. */
private static final ResourceBundle HTTPCONCAT_RESOURCEBUNDLE = ResourceBundleUtil.getResourceBundle(CONFIG_FILE);
//---------------------------------------------------------------
/** Static instance. */
public static final HttpConcatGlobalConfig GLOBAL_CONFIG = HttpConcatGlobalConfigBuilder.build();
//---------------------------------------------------------------
/** Don't let anyone instantiate this class. */
private HttpConcatGlobalConfigBuilder(){
//AssertionError不是必须的. 但它可以避免不小心在类的内部调用构造器. 保证该类在任何情况下都不会被实例化.
//see 《Effective Java》 2nd
throw new AssertionError("No " + getClass().getName() + " instances for you!");
}
//---------------------------------------------------------------
/**
* Builds the.
*
* @return the http concat global config
* @since 1.11.1 rename
*/
private static HttpConcatGlobalConfig build(){
HttpConcatGlobalConfig httpConcatGlobalConfig = new HttpConcatGlobalConfig();
//support
httpConcatGlobalConfig.setHttpConcatSupport(getRequiredValue("httpconcat.support", Boolean.class));
//template
httpConcatGlobalConfig.setTemplateCss(getRequiredValue("httpconcat.template.css", String.class));
httpConcatGlobalConfig.setTemplateJs(getRequiredValue("httpconcat.template.js", String.class));
//cache
httpConcatGlobalConfig
.setDefaultCacheEnable(BooleanUtils.toBoolean(getRequiredValue("httpconcat.defaultCacheEnable", Boolean.class)));
httpConcatGlobalConfig.setDefaultCacheSizeLimit(getRequiredValue("httpconcat.defaultCacheSizeLimit", Integer.class));
//verson
httpConcatGlobalConfig.setVersionEncode(getValue(HTTPCONCAT_RESOURCEBUNDLE, "httpconcat.version.encode"));
httpConcatGlobalConfig.setVersionNameInScope(getValue(HTTPCONCAT_RESOURCEBUNDLE, "httpconcat.version.nameInScope"));
httpConcatGlobalConfig.setVersionSearchScope(getValue(HTTPCONCAT_RESOURCEBUNDLE, "httpconcat.version.search.scope"));
httpConcatGlobalConfig.setVersionAutoRefreshValue(getValue(HTTPCONCAT_RESOURCEBUNDLE, "httpconcat.version.autoRefresh.value"));
//domain
httpConcatGlobalConfig.setDomain(getValue(HTTPCONCAT_RESOURCEBUNDLE, "httpconcat.domain"));
//autoPartitionSize
httpConcatGlobalConfig.setAutoPartitionSize(toInteger(getValue(HTTPCONCAT_RESOURCEBUNDLE, "httpconcat.autoPartitionSize")));
if (LOGGER.isInfoEnabled()){
LOGGER.info("init http concat config:[{}]", JsonUtil.toString(httpConcatGlobalConfig));
}
return httpConcatGlobalConfig;
}
//---------------------------------------------------------------
/**
* 获得 required value.
*
*
* 如果 {@code isNullOrEmpty(Object)} ,抛出NullPointerException
*
*
* @param
* the generic type
* @param keyName
* the key name
* @param typeClass
* the type class
* @return the value if not null or empty
* @since 1.8.8
*/
private static T getRequiredValue(String keyName,Class typeClass){
String value = ResourceBundleUtil.getValue(HTTPCONCAT_RESOURCEBUNDLE, keyName);
Validate.notBlank(value, "can't find key:[%s] in [%s],pls ensure you have put the correct configuration", keyName, CONFIG_FILE);
return convert(value, typeClass);
}
}