EscapeUnicode (Apache Ant API)

Package org.apache.tools.ant.filters

## Class EscapeUnicode

- java.lang.Object
- - java.io.Reader
  - - java.io.FilterReader
    - - org.apache.tools.ant.filters.BaseFilterReader
      - - org.apache.tools.ant.filters.BaseParamFilterReader
        - - org.apache.tools.ant.filters.EscapeUnicode

- All Implemented Interfaces:
    `java.io.Closeable`, `java.lang.AutoCloseable`, `java.lang.Readable`, `ChainableReader`, `Parameterizable`

      public class EscapeUnicode
      extends BaseParamFilterReader
      implements ChainableReader

  This method converts non-latin characters to unicode escapes. Useful to load properties containing non latin Example:

      <escapeunicode>

  Or:

      <filterreader
              classname="org.apache.tools.ant.filters.EscapeUnicode"/>

  Since:
    Ant 1.6

- - ### Field Summary

    - ### Fields inherited from class java.io.FilterReader

      `in`

    - ### Fields inherited from class java.io.Reader

      `lock`

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `EscapeUnicode()` | Constructor for "dummy" instances.
    `EscapeUnicode​(java.io.Reader in)` | Creates a new filtered reader.

  - ### Method Summary

    Modifier and Type | Method | Description
    --- | --- | ---
    `java.io.Reader` | `chain​(java.io.Reader rdr)` | Creates a new EscapeUnicode using the passed in Reader for instantiation.
    `int` | `read()` | Returns the next character in the filtered stream, converting non latin characters to unicode escapes.

    - ### Methods inherited from class org.apache.tools.ant.filters.BaseParamFilterReader

      `getParameters, setParameters`

    - ### Methods inherited from class org.apache.tools.ant.filters.BaseFilterReader

      `getInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skip`

    - ### Methods inherited from class java.io.FilterReader

      `close, mark, markSupported, ready, reset`

    - ### Methods inherited from class java.io.Reader

      `nullReader, read, read, transferTo`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### EscapeUnicode

          public EscapeUnicode()

      Constructor for "dummy" instances.
      See Also:
        `BaseFilterReader()`

    - #### EscapeUnicode

          public EscapeUnicode​(java.io.Reader in)

      Creates a new filtered reader.
      Parameters:
        `in` - A Reader object providing the underlying stream. Must not be `null`.

  - ### Method Detail

    - #### read

          public final int read()
                         throws java.io.IOException

      Returns the next character in the filtered stream, converting non latin characters to unicode escapes.
      Overrides:
        `read` in class `java.io.FilterReader`
      Returns:
        the next character in the resulting stream, or -1 if the end of the resulting stream has been reached
      Throws:
        `java.io.IOException` - if the underlying stream throws an IOException during reading

    - #### chain

          public final java.io.Reader chain​(java.io.Reader rdr)

      Creates a new EscapeUnicode using the passed in Reader for instantiation.
      Specified by:
        `chain` in interface `ChainableReader`
      Parameters:
        `rdr` - A Reader object providing the underlying stream. Must not be `null`.
      Returns:
        a new filter based on this configuration, but filtering the specified reader