SAP ABAP SXML LIB RENDER TOKEN

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ABAP_SXML - Token-Based Rendering
In token-based rendering, each node is written to the XML data using a method. Each node type has its own method. If a node can have specific values, the respective method has appropriate input parameters. The methods must be called in such a way that valid XML is created. XML attributes can be added to an element directly after it has been opened.

Basic Approach
An XML writer is created using the factory method CREATE of the required class. The format and character format can also be defined, for example: DATA(writer) = cl_sxml_string_writer=>create( type =
encoding = ... ).
Here, the static type of the reference variables is the type of the class itself, since more class-specific methods exist than in readers. The interface IF_SXML_WRITER can still be used to access a writer using upcasts: DATA(writer) = CAST if_sxml_writer( cl_sxml_string_writer=>create( ... ) ).
Once the writer is created, nodes can be written. The order of the nodes is important, for example: writer->open_element( ... ).
writer->write_attribute( ... ).
writer->write_value( ... ).
writer->close_element( ).
Once a complete valid record of XML data has been written, the data can be read if the correct writers are being used, for example: DATA(xml) = CAST cl_sxml_string_writer( writer )->get_output( ).
Since the method is a class-specific method, a downcast is required if an interface reference variable is used.

ABAP_EXAMPLE_ABEXA
Token-Based Rendering
ABAP_EXAMPLE_END

Methods for Token-Based Rendering
The following methods are declared in the interface IF_SXML_WRITER for token-based rendering:

OPEN_ELEMENT - Writes an element opening. The name, a namespace prefix, and a namespace URI can be passed.

WRITE_NAMESPACE_DECLARATION - Writes a namespace declaration to an element opening.

WRITE_ATTRIBUTE - Writes an XML attribute to an element opening. A name, namespace prefix, a namespace URI, and a character-like value can be passed.

WRITE_ATTRIBUTE_RAW - Writes an XML attribute with raw data to an element opening. A name, namespace prefix, a namespace URI, and a byte-like value can be passed.

WRITE_VALUE - Writes a character-like value behind an element opening.

WRITE_VALUE_RAW - Writes a byte-like value behind an element opening.

CLOSE_ELEMENT - Writes an end of element.
If text-like data is written, this data is converted automatically from the current system code page to the representation of the XML data, which is determined by the chosen format. If byte-like raw data is written, this data is also converted in accordance with the chosen format, for example to the format Base64 for XML 1.0 or to the binary part of the XOP package for XOP.

ABAP_EXAMPLE_ABEXA
Namespace Declarations in Token-Based Rendering
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