/*
* JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com)
*
* 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 jef.tools;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import jef.common.Configuration.ConfigItem;
import jef.common.log.LogUtil;
import jef.tools.resource.Resource;
import org.slf4j.LoggerFactory;
public class JefConfiguration {
private static String fileName = "jef.properties";
private static Map<String, String> cache = new HashMap<String, String>();
private static File file;
static org.slf4j.Logger log = LoggerFactory.getLogger(JefConfiguration.class);
public static String get(ConfigItem itemkey) {
return get(itemkey, "");
}
public static long getLong(ConfigItem itemkey, long defaultValue) {
String s = get(itemkey);
if (s == null || s.length() == 0)
return defaultValue;
try {
return Long.parseLong(s);
} catch (Exception e) {
LogUtil.warn("the jef config [" + itemkey.name() + "] has invalid value:" + s);
return defaultValue;
}
}
public static int getInt(ConfigItem itemkey, int defaultValue) {
String s = get(itemkey);
if (s == null || s.length() == 0)
return defaultValue;
try {
int n = Integer.parseInt(s);
return n;
} catch (Exception e) {
LogUtil.warn("the jef config [" + itemkey.name() + "] has invalid value:" + s);
return defaultValue;
}
}
public static double getDouble(ConfigItem itemkey, double defaultValue) {
String s = get(itemkey);
if (s == null || s.length() == 0)
return defaultValue;
try {
double n = Double.parseDouble(s);
return n;
} catch (Exception e) {
LogUtil.warn("the jef config [" + itemkey.name() + "] has invalid value:" + s);
return defaultValue;
}
}
public static String get(ConfigItem itemKey, String defaultValue) {
String key = StringUtils.replaceChars(itemKey.toString(), "_$", ".-").toLowerCase();
String value = System.getProperty(key);
if (value != null)
return value;
try {
if ("schema.mapping".equals(key)) {
value = System.getenv(key);
if (value != null)
return value;
}
if (cache.containsKey(key)) {
value = cache.get(key);
} else {
if (file == null) {
getFile();
}
if (file != DUMMY_FILE) {
Map<String, String> map = IOUtils.loadProperties(IOUtils.getReader(file, "UTF-8"));
cache.putAll(map);
value = cache.get(key);
}
}
return value == null ? defaultValue : value;
} catch (IOException e) {
LogUtil.exception(e);
}
return defaultValue;
}
private static final File DUMMY_FILE = new File("");
private synchronized static void getFile() {
try {
if (file != null && file.exists())
return;
String filename = System.getProperty("jef.properties");
if (StringUtils.isEmpty(filename))
filename = fileName;
List<URL> urls = ResourceUtils.getResources(filename);
if (urls.size() > 1) {
log.warn("Found " + urls.size() + " 'jef.properties' files...");
LogUtil.warn(urls);
}
if (urls.isEmpty()) {
file = DUMMY_FILE;
} else {
file = Resource.getFileResource(urls.get(0)).getFile();
}
} catch (Exception e) {
LogUtil.exception(e);
file = DUMMY_FILE;
}
log.info("JEF is using config file:" + (DUMMY_FILE == file ? "Default" : file.getAbsolutePath()));
int timeZone = TimeZone.getDefault().getRawOffset() / 3600000;
if (getBoolean(Item.DB_DEBUG, true))
log.info("Current Locale:" + Locale.getDefault().toString() + "\tTimeZone:" + (timeZone < 0 ? String.valueOf(timeZone) : "+" + String.valueOf(timeZone)) + "\tEncoding:" + Charset.defaultCharset());
}
public static boolean getBoolean(ConfigItem itemkey, boolean defaultValue) {
String s = get(itemkey);
return StringUtils.toBoolean(s, defaultValue);
}
public static boolean update(Item itemkey, String value) {
if (file == DUMMY_FILE)
return false;
try {
String key = itemkey.toString().replaceAll("_", ".").toLowerCase();
Map<String, String> properties = IOUtils.loadProperties(IOUtils.getReader(file, "UTF-8"));
properties.put(key, value);
Writer out = IOUtils.getWriter(file,"UTF-8");
IOUtils.storeProperties(out, properties, true);
return true;
} catch (IOException e) {
LogUtil.exception(e);
return false;
}
}
public enum Item implements ConfigItem {
// ////////////数据库基本操作设置/////////////////
/**
* SQL调试开关，默认false，开启后输出各种日志
*/
DB_DEBUG,
// /////////////////其他HttpClient选项//////////////////
/**
* 启用HTTP客户端调试
*/
HTTP_DEBUG,
/**
* 全局禁用代理服务器
*/
HTTP_DISABLE_PROXY,
/**
* HTTP选项，默认下载路径
*/
HTTP_DOWNLOAD_PATH,
/**
* HTTP选项，全局超时
*/
HTTP_TIMEOUT,
/**
* HTTP选项 超时、重试次数
*/
HTTP_RETRY,
// ///////////////其他选项//////////////////
/**
* 使用标准日志输出，默认直接print到控制台。设置为true时，日志写入到slf4j，false时则直接输出到标准控制台
*/
COMMON_DEBUG_ADAPTER,
/**
* 当启用了COMMON_DEBUG_ADAPTER后，再开启本选项，可以将System.out和System.err流也重定向
*/
SYSOUT_REDIRECT, //
// ////////////////其他不常用属性///////////////////
/**
* 当使用ServletExchange返回json时，带上json头
*/
HTTP_SEND_JSON_HEADER,
/**
* 在控制台输出列的时候显示列的数值类型
*/
CONSOLE_SHOW_COLUMN_TYPE, //
/**
* SQLplus显示选项
*/
CONSOLE_SHOW_RESULT_LIMIT, //
/**
* 默认日志路径
*
* @deprecated 旧功能，不建议使用
*/
LOG_PATH
}
}