net.ymate.platform.commons.util

Class ExpressionUtils

java.lang.Object

net.ymate.platform.commons.util.ExpressionUtils

public final class ExpressionUtils
extends Object

字符串表达式工具类，用于处理${variable}字符替换; 例: I am ${name},and sex is ${sex}.
name=Henry,sex=M
result:I am Henry,and sex is M.

Author:

刘镇 (suninformation@163.com) on 2010-12-20 上午11:37:00

Method Summary

Modifier and Type	Method and Description
static ExpressionUtils	bind(String expressionStr)
ExpressionUtils	clean()
String	getResult()
List<String>	getVariables()
ExpressionUtils	set(Map<String,Object> values) 批量设置变量值
ExpressionUtils	set(String key, String value) 设置变量值

Methods inherited from class java.lang.Object

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

Method Detail

bind

public static ExpressionUtils bind(String expressionStr)

Parameters:

expressionStr - 目标字符串

Returns:

创建表达式工具类实例对象

getResult

public String getResult()

Returns:

获取结果

set

public ExpressionUtils set(String key,
                           String value)

设置变量值

Parameters:

key - 变量名称

value - 变量值

Returns:

当前表达式工具类实例

set

public ExpressionUtils set(Map<String,Object> values)

批量设置变量值

Parameters:

values - 变量值映射

Returns:

当前表达式工具类实例

getVariables

public List<String> getVariables()

Returns:

返回expressionStr中变量名称集合, 返回的数量将受set方法影响

clean

public ExpressionUtils clean()

Returns:

清理所有变量并返回当前表达式工具类实例