com.litongjava.tio.utils.environment

类 Prop

java.lang.Object

com.litongjava.tio.utils.environment.Prop

public class Prop
extends Object

Prop. Prop can load properties file from CLASSPATH or File object.

字段概要

字段

限定符和类型	字段和说明
static Charset	DEFAULT_ENCODING
protected Properties	properties

构造器概要

构造器

构造器和说明
Prop() 支持 new Prop().appendIfExists(...)
Prop(File file) Prop constructor.
Prop(File file, Charset encoding) Prop constructor Example: Prop prop = new Prop(new File("/var/config/my_config.txt"), "UTF-8"); String userName = prop.get("userName");
Prop(String fileName) Prop constructor.
Prop(String fileName, Charset encoding) Prop constructor Example: Prop prop = new Prop("my_config.txt", "UTF-8"); String userName = prop.get("userName"); prop = new Prop("com/jfinal/file_in_sub_path_of_classpath.txt", "UTF-8"); String value = prop.get("key");

方法概要

限定符和类型	方法和说明
Prop	append(File file)
Prop	append(File file, Charset encoding)
Prop	append(Prop prop)
Prop	append(String fileName)
Prop	append(String fileName, Charset encoding)
Prop	appendIfExists(File file)
Prop	appendIfExists(File file, Charset encoding)
Prop	appendIfExists(String fileName)
Prop	appendIfExists(String fileName, Charset encoding)
boolean	containsKey(String key)
String	get(String key)
String	get(String key, String defaultValue)
Boolean	getBoolean(String key)
Boolean	getBoolean(String key, Boolean defaultValue)
Double	getDouble(String key)
Double	getDouble(String key, Double defaultValue)
Integer	getInt(String key)
Integer	getInt(String key, Integer defaultValue)
Long	getLong(String key)
Long	getLong(String key, Long defaultValue)
Properties	getProperties()
boolean	isEmpty()
boolean	notEmpty()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

DEFAULT_ENCODING

public static final Charset DEFAULT_ENCODING

properties

protected Properties properties

构造器详细资料

Prop

public Prop()

支持 new Prop().appendIfExists(...)

Prop

public Prop(String fileName)

Prop constructor.

另请参阅:

#Prop(String, String)

Prop

public Prop(String fileName,
            Charset encoding)

Prop constructor

Example:
Prop prop = new Prop("my_config.txt", "UTF-8");
String userName = prop.get("userName");

prop = new Prop("com/jfinal/file_in_sub_path_of_classpath.txt", "UTF-8");
String value = prop.get("key");

参数:

fileName - the properties file's name in classpath or the sub directory of classpath

encoding - the encoding

Prop

public Prop(File file)

Prop constructor.

另请参阅:

#Prop(File, String)

Prop

public Prop(File file,
            Charset encoding)

Prop constructor

Example:
Prop prop = new Prop(new File("/var/config/my_config.txt"), "UTF-8");
String userName = prop.get("userName");

参数:

file - the properties File object

encoding - the encoding

方法详细资料

append

public Prop append(Prop prop)

append

public Prop append(String fileName,
                   Charset encoding)

append

public Prop append(String fileName)

appendIfExists

public Prop appendIfExists(String fileName,
                           Charset encoding)

appendIfExists

public Prop appendIfExists(String fileName)

append

public Prop append(File file,
                   Charset encoding)

append

public Prop append(File file)

appendIfExists

public Prop appendIfExists(File file,
                           Charset encoding)

appendIfExists

public Prop appendIfExists(File file)

get

public String get(String key)

get

public String get(String key,
                  String defaultValue)

getInt

public Integer getInt(String key)

getInt

public Integer getInt(String key,
                      Integer defaultValue)

getLong

public Long getLong(String key)

getLong

public Long getLong(String key,
                    Long defaultValue)

getDouble

public Double getDouble(String key)

getDouble

public Double getDouble(String key,
                        Double defaultValue)

getBoolean

public Boolean getBoolean(String key)

getBoolean

public Boolean getBoolean(String key,
                          Boolean defaultValue)

containsKey

public boolean containsKey(String key)

isEmpty

public boolean isEmpty()

notEmpty

public boolean notEmpty()

getProperties

public Properties getProperties()