SystemPropertyUtils (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.util
Class SystemPropertyUtils

java.lang.Object
  org.springframework.util.SystemPropertyUtils

public abstract class SystemPropertyUtils
extends Object
extends Object

Helper class for resolving placeholders in texts. Usually applied to file paths.

A text may contain ${...} placeholders, to be resolved as system properties: e.g. ${user.dir}.

Since:: 1.2.5
Author:: Juergen Hoeller
See Also:: PLACEHOLDER_PREFIX, PLACEHOLDER_SUFFIX, System.getProperty(String)

Field Summary

static String PLACEHOLDER_PREFIX
          Prefix for system property placeholders: "${"

static String PLACEHOLDER_SUFFIX
          Suffix for system property placeholders: "}"

Constructor Summary

SystemPropertyUtils()


Method Summary

static String resolvePlaceholders(String text)
          Resolve ${...} placeholders in the given text, replacing them with corresponding system property values.

Methods inherited from class java.lang.Object

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

Field Summary
`static String`	`PLACEHOLDER_PREFIX` Prefix for system property placeholders: "${"
`static String`	`PLACEHOLDER_SUFFIX` Suffix for system property placeholders: "}"

Constructor Summary
`SystemPropertyUtils()`

Method Summary
`static String`	`resolvePlaceholders(String text)` Resolve ${...} placeholders in the given text, replacing them with corresponding system property values.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

PLACEHOLDER_PREFIX

public static final String PLACEHOLDER_PREFIX

Prefix for system property placeholders: "${"

See Also:: Constant Field Values

PLACEHOLDER_SUFFIX

public static final String PLACEHOLDER_SUFFIX

Suffix for system property placeholders: "}"

See Also:: Constant Field Values

Constructor Detail