Generator (GWT Javadoc)

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## com.google.gwt.core.ext
Class Generator

    java.lang.Object
      com.google.gwt.core.ext.Generator

Direct Known Subclasses:
  IncrementalGenerator

    public abstract class Generator

extends java.lang.Object

Generates source code for subclasses during deferred binding requests. Subclasses must be thread-safe.

Resource reading should be done through the ResourceOracle in the provided GeneratorContext (not via ClassLoader.getResource(), File, or URL) so that Generator Resource dependencies can be detected and used to facilitate fast incremental recompiles.

Constructor Summary
`Generator()`

Method Summary
`static java.lang.String` | `escape(java.lang.String unescaped)` Escapes string content to be a valid string literal.
`static java.lang.String` | `escapeClassName(java.lang.String unescapedString)` Returns an escaped version of a String that is valid as a Java class name. Illegal characters become "_" + the character integer padded to 5 digits like "_01234".
`abstract java.lang.String` | `generate(TreeLogger logger, GeneratorContext context, java.lang.String typeName)` Generate a default constructible subclass of the requested type.

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

Constructor Detail

### Generator

    public Generator()

Method Detail

### escape

    public static java.lang.String escape(java.lang.String unescaped)

  Escapes string content to be a valid string literal.

  Returns:
    an escaped version of `unescaped`, suitable for being enclosed in double quotes in Java source

### escapeClassName

    public static java.lang.String escapeClassName(java.lang.String unescapedString)

  Returns an escaped version of a String that is valid as a Java class name.
  Illegal characters become "_" + the character integer padded to 5 digits like "_01234". The padding prevents collisions like the following "_" + "123" + "4" = "_" + "1234". The "_" escape character is escaped to "__".

### generate

    public abstract java.lang.String generate(TreeLogger logger,
                                              GeneratorContext context,
                                              java.lang.String typeName)
                                       throws UnableToCompleteException

  Generate a default constructible subclass of the requested type. The generator throws `UnableToCompleteException` if for any reason it cannot provide a substitute class

  Returns:
    the name of a subclass to substitute for the requested class, or return `null` to cause the requested type itself to be used
  Throws:
    `UnableToCompleteException`

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