ConstantsWithLookup (GWT Javadoc)

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## com.google.gwt.i18n.client
Interface ConstantsWithLookup

All Superinterfaces:
  Constants, Localizable, LocalizableResource

    public interface ConstantsWithLookup

extends Constants

Like `Constants`, a tag interface that facilitates locale-sensitive, compile-time binding of constant values supplied from properties files with the added ability to look up constants at runtime with a string key.

`ConstantsWithLookup` extends `Constants` and is identical in behavior, adding only a family of special-purpose lookup methods such as `getString(String)`.

It is generally preferable to extend `Constants` rather than `ConstantsWithLookup` because `ConstantsWithLookup` forces all constants to be retained in the compiled script, preventing the GWT compiler from pruning unused constant accessors.

### Required Module

Modules that use this interface should inherit `com.google.gwt.i18n.I18N`.

>     <module>
>       <!-- other inherited modules, such as com.google.gwt.user.User -->
>       <inherits name="com.google.gwt.i18n.I18N"/>
>       <!-- additional module settings -->
>     </module>

### Note

You should not directly implement this interface or interfaces derived from it since an implementation is generated automatically when message interfaces are created using `GWT.create(Class)`.

See Also:
  `Constants`

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.gwt.i18n.client.Constants
`Constants.DefaultBooleanValue, Constants.DefaultDoubleValue, Constants.DefaultFloatValue, Constants.DefaultIntValue, Constants.DefaultStringArrayValue, Constants.DefaultStringMapValue, Constants.DefaultStringValue`

Nested classes/interfaces inherited from interface com.google.gwt.i18n.client.LocalizableResource
`LocalizableResource.DefaultLocale, LocalizableResource.Description, LocalizableResource.Generate, LocalizableResource.GeneratedFrom, LocalizableResource.GenerateKeys, LocalizableResource.Key, LocalizableResource.Meaning`

Method Summary
`boolean` | `getBoolean(java.lang.String methodName)` Look up `boolean` by method name.
`double` | `getDouble(java.lang.String methodName)` Look up `double` by method name.
`float` | `getFloat(java.lang.String methodName)` Look up `float` by method name.
`int` | `getInt(java.lang.String methodName)` Look up `int` by method name.
`java.util.Map<java.lang.String,java.lang.String>` | `getMap(java.lang.String methodName)` Look up `Map` by method name.
`java.lang.String` | `getString(java.lang.String methodName)` Look up `String` by method name.
`java.lang.String[]` | `getStringArray(java.lang.String methodName)` Look up `String[]` by method name.

Method Detail

### getBoolean

    boolean getBoolean(java.lang.String methodName)
                       throws java.util.MissingResourceException

  Look up `boolean` by method name.

  Parameters:
    `methodName` - method name
  Returns:
    boolean returned by method
  Throws:
    `java.util.MissingResourceException` - if methodName is not valid

### getDouble

    double getDouble(java.lang.String methodName)
                     throws java.util.MissingResourceException

  Look up `double` by method name.

  Parameters:
    `methodName` - method name
  Returns:
    double returned by method
  Throws:
    `java.util.MissingResourceException` - if methodName is not valid

### getFloat

    float getFloat(java.lang.String methodName)
                   throws java.util.MissingResourceException

  Look up `float` by method name.

  Parameters:
    `methodName` - method name
  Returns:
    float returned by method
  Throws:
    `java.util.MissingResourceException` - if methodName is not valid

### getInt

    int getInt(java.lang.String methodName)
               throws java.util.MissingResourceException

  Look up `int` by method name.

  Parameters:
    `methodName` - method name
  Returns:
    int returned by method
  Throws:
    `java.util.MissingResourceException` - if methodName is not valid

### getMap

    java.util.Map<java.lang.String,java.lang.String> getMap(java.lang.String methodName)
                                                            throws java.util.MissingResourceException

  Look up `Map` by method name.

  Parameters:
    `methodName` - method name
  Returns:
    Map returned by method
  Throws:
    `java.util.MissingResourceException` - if methodName is not valid

### getString

    java.lang.String getString(java.lang.String methodName)
                               throws java.util.MissingResourceException

  Look up `String` by method name.

  Parameters:
    `methodName` - method name
  Returns:
    String returned by method
  Throws:
    `java.util.MissingResourceException` - if methodName is not valid

### getStringArray

    java.lang.String[] getStringArray(java.lang.String methodName)
                                      throws java.util.MissingResourceException

  Look up `String[]` by method name.

  Parameters:
    `methodName` - method name
  Returns:
    String[] returned by method
  Throws:
    `java.util.MissingResourceException` - if methodName is not valid

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