LSOutput (XML Standard API)
Date: 2024-01-12

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## org.w3c.dom.ls
Interface LSOutput

    public interface LSOutput

This interface represents an output destination for data.

This interface allows an application to encapsulate information about an output destination in a single object, which may include a URI, a byte stream (possibly with a specified encoding), a base URI, and/or a character stream.

The exact definitions of a byte stream and a character stream are binding dependent.

The application is expected to provide objects that implement this interface whenever such objects are needed. The application can either provide its own objects that implement this interface, or it can use the generic factory method `DOMImplementationLS.createLSOutput()` to create objects that implement this interface.

The `LSSerializer` will use the `LSOutput` object to determine where to serialize the output to. The `LSSerializer` will look at the different outputs specified in the `LSOutput` in the following order to know which one to output to, the first one that is not null and not an empty string will be used:

1. `LSOutput.characterStream`
2. `LSOutput.byteStream`
3. `LSOutput.systemId`

`LSOutput` objects belong to the application. The DOM implementation will never modify them (though it may make copies and modify the copies, if necessary).

See also the Document Object Model (DOM) Level 3 Load and Save Specification.

Method Summary
`java.io.OutputStream` | `getByteStream()` An attribute of a language and binding dependent type that represents a writable stream of bytes.
`java.io.Writer` | `getCharacterStream()` An attribute of a language and binding dependent type that represents a writable stream to which 16-bit units can be output.
`java.lang.String` | `getEncoding()` The character encoding to use for the output.
`java.lang.String` | `getSystemId()` The system identifier, a URI reference [IETF RFC 2396], for this output destination.
`void` | `setByteStream(java.io.OutputStream byteStream)` An attribute of a language and binding dependent type that represents a writable stream of bytes.
`void` | `setCharacterStream(java.io.Writer characterStream)` An attribute of a language and binding dependent type that represents a writable stream to which 16-bit units can be output.
`void` | `setEncoding(java.lang.String encoding)` The character encoding to use for the output.
`void` | `setSystemId(java.lang.String systemId)` The system identifier, a URI reference [IETF RFC 2396], for this output destination.

Method Detail

### getCharacterStream

    java.io.Writer getCharacterStream()

  An attribute of a language and binding dependent type that represents a writable stream to which 16-bit units can be output.

### setCharacterStream

    void setCharacterStream(java.io.Writer characterStream)

  An attribute of a language and binding dependent type that represents a writable stream to which 16-bit units can be output.

### getByteStream

    java.io.OutputStream getByteStream()

  An attribute of a language and binding dependent type that represents a writable stream of bytes.

### setByteStream

    void setByteStream(java.io.OutputStream byteStream)

  An attribute of a language and binding dependent type that represents a writable stream of bytes.

### getSystemId

    java.lang.String getSystemId()

  The system identifier, a URI reference [IETF RFC 2396], for this output destination.
  If the system ID is a relative URI reference (see section 5 in [IETF RFC 2396]), the behavior is implementation dependent.

### setSystemId

    void setSystemId(java.lang.String systemId)

  The system identifier, a URI reference [IETF RFC 2396], for this output destination.
  If the system ID is a relative URI reference (see section 5 in [IETF RFC 2396]), the behavior is implementation dependent.

### getEncoding

    java.lang.String getEncoding()

  The character encoding to use for the output. The encoding must be a string acceptable for an XML encoding declaration ([XML 1.0] section 4.3.3 "Character Encoding in Entities"), it is recommended that character encodings registered (as charsets) with the Internet Assigned Numbers Authority [IANA-CHARSETS] should be referred to using their registered names.

### setEncoding

    void setEncoding(java.lang.String encoding)

  The character encoding to use for the output. The encoding must be a string acceptable for an XML encoding declaration ([XML 1.0] section 4.3.3 "Character Encoding in Entities"), it is recommended that character encodings registered (as charsets) with the Internet Assigned Numbers Authority [IANA-CHARSETS] should be referred to using their registered names.

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