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Copy pathPropertiesUtil.java
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180 lines (160 loc) · 5.35 KB
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package common.utils;
import common.enumeration.errorMessageEnum.ErrorMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
public class PropertiesUtil {
private static final Logger logger = LoggerFactory.getLogger(PropertiesUtil.class);
/**
* 读取properties文件
*
* @param file 配置文件所在路径
* @throws IOException
*/
public static Properties fromFile(String file) throws IOException {
Properties properties = new Properties();
InputStream is = null;
try {
is = new FileInputStream(file);
properties.load(is);
} catch (IOException e) {
logger.error(ErrorMessage.GET_PROPERTIES_FILE_FAILED.getErrorInfo());
throw new IOException(ErrorMessage.GET_PROPERTIES_FILE_FAILED.getErrorInfo());
} finally {
IOUtil.closeQuietly(is);
}
return properties;
}
/**
* 读取properties文件
*
* 先在classpath根路径下找，找不到再在当前类的同目录路径下找。
* @param file 文件路径
* @throws IOException
*/
public static Properties fromPath(String file) throws IOException{
Properties properties = new Properties();
try {
InputStream stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(file);
if (stream == null) {
stream = PropertiesUtil.class.getResourceAsStream(file);
}
properties.load(stream);
} catch (IOException e) {
logger.error(ErrorMessage.GET_PROPERTIES_FILE_FAILED.getErrorInfo());
throw new IOException(ErrorMessage.GET_PROPERTIES_FILE_FAILED.getErrorInfo());
}
return properties;
}
/**
* 根据指定路径获取properties, 带编码, 防止中文乱码
*
* @param path 配置文件所在路径
* @param charset 编码格式
* @throws IOException
*/
public static Properties getPropertiesByPathAndCharset(String path, String charset) throws IOException{
Properties properties = new Properties();
Reader reader = null;
InputStream is = null;
try {
is = new FileInputStream(path);
reader = new InputStreamReader(is, Charset.forName(charset));
properties.load(reader);
} catch (IOException e) {
logger.error(ErrorMessage.GET_PROPERTIES_FILE_FAILED.getErrorInfo());
throw new IOException(ErrorMessage.GET_PROPERTIES_FILE_FAILED.getErrorInfo());
} finally {
IOUtil.closeQuietly(is, reader);
}
return properties;
}
/**
* 将流转换为properties
*
* @param stream InputStream
* @return Properties
* @throws IOException
*/
public static Properties fromStream(InputStream stream) throws IOException {
Properties dest = new Properties();
Properties src = new Properties();
src.load(stream);
// 如果key value为字符串，需要trim一下
for (Map.Entry<Object, Object> entry : src.entrySet()) {
Object key = entry.getKey();
Object value = entry.getValue();
Object newKey = key;
Object newValue = value;
if (newKey instanceof String) {
newKey = key.toString().trim();
}
if (newValue instanceof String) {
newValue = value.toString().trim();
}
dest.put(newKey, newValue);
}
return dest;
}
/**
* 获取配置文件的属性值
*
* @param configPath 文件路径
* @param key
* @return String
* @throws IOException
*/
public static String fromFile(String configPath, String key) throws IOException{
Properties pro = PropertiesUtil.fromFile(configPath);
return pro.getProperty(key);
}
/**
* 获取配置文件的多个属性值
*
* @param configPath 文件路径
* @param keys
* @return List<String>
* @throws IOException
*/
public static List<String> fromFile(String configPath, String... keys) throws IOException{
Properties pro = PropertiesUtil.fromFile(configPath);
List<String> list = new ArrayList<>();
for(String key : keys) {
list.add(pro.getProperty(key));
}
return list;
}
/**
* 获取配置文件的属性值
*
* @param configPath 文件路径
* @param key
* @return String
* @throws IOException
*/
public static String fromPath(String configPath, String key) throws IOException{
Properties pro = PropertiesUtil.fromPath(configPath);
return pro.getProperty(key);
}
/**
* 获取配置文件的多个属性值
*
* @param configPath 文件路径
* @param keys
* @return List<String>
* @throws IOException
*/
public static List<String> fromPath(String configPath, String... keys) throws IOException{
Properties pro = PropertiesUtil.fromPath(configPath);
List<String> list = new ArrayList<>();
for(String key : keys) {
list.add(pro.getProperty(key));
}
return list;
}
}