com.ctc.wstx.api.WstxOutputProperties Maven / Gradle / Ivy
package com.ctc.wstx.api;
/**
* Class that contains constant for property names used to configure
* cursor and event writers produced by Wstx implementation of
* {@link javax.xml.stream.XMLOutputFactory}.
*
*/
public final class WstxOutputProperties
{
/**
* Default xml version number output, if none was specified by
* application. Version 1.0 is used
* to try to maximize compatibility (some older parsers
* may barf on 1.1 and later...)
*/
public final static String DEFAULT_XML_VERSION = "1.0";
/**
* If no encoding is passed, we should just default to what xml
* in general expects (and can determine), UTF-8.
*
* Note: you can check out bug entry [WSTX-18] for more details
*/
public final static String DEFAULT_OUTPUT_ENCODING = "UTF-8";
// // // Output options, simple on/off settings:
/**
* Whether writer should just automatically convert all calls that
* would normally produce CDATA to produce (quoted) text.
*/
public final static String P_OUTPUT_CDATA_AS_TEXT = "com.ctc.wstx.outputCDataAsText";
/**
* Whether writer should copy attributes that were initially expanded
* using default settings ("implicit" attributes) or not.
*/
public final static String P_COPY_DEFAULT_ATTRS = "com.ctc.wstx.copyDefaultAttrs";
/**
* Whether writer is to add a single white space before closing "/>"
* of the empty element or not. It is sometimes useful to add to
* increase compatibility with HTML browsers, or to increase
* readability.
*
* The default value is 'false', up to Woodstox 4.x.
*
* NOTE: JavaDocs for versions 4.0.0 - 4.0.7 incorrectly state that
* default is 'true': this is NOT the case.
*
* Note: added to resolve Jira entry
* WSTX-125.
*/
public final static String P_ADD_SPACE_AFTER_EMPTY_ELEM = "com.ctc.wstx.addSpaceAfterEmptyElem";
/**
* Whether stream writer is to automatically add end elements that are
* needed to properly close the output tree, when the stream is closed
* (either explicitly by a call to close or
* closeCompletely, or implicitly by a call
* to writeEndDocument.
*
* The default value is 'true' as of Woodstox 4.x.
* Prior to 4.0, this feature was always enabled and there was no
* way to disable it)
*
* @since 3.2.8
*/
public final static String P_AUTOMATIC_END_ELEMENTS = "com.ctc.wstx.automaticEndElements";
// // // Validation options:
/**
* Whether output classes should do basic verification that the output
* structure is well-formed (start and end elements match); that
* there is one and only one root, and that there is no textual content
* in prolog/epilog. If false, won't do any checking regarding structure.
*/
public final static String P_OUTPUT_VALIDATE_STRUCTURE = "com.ctc.wstx.outputValidateStructure";
/**
* Whether output classes should do basic verification that the textual
* content output as part of nodes should be checked for validity,
* if there's a possibility of invalid content. Nodes that include
* such constraints are: comment/'--', cdata/']]>',
* proc. instr/'?>'.
*/
public final static String P_OUTPUT_VALIDATE_CONTENT = "com.ctc.wstx.outputValidateContent";
/**
* Whether output classes should check uniqueness of attribute names,
* to prevent accidental output of duplicate attributes.
*/
public final static String P_OUTPUT_VALIDATE_ATTR = "com.ctc.wstx.outputValidateAttr";
/**
* Whether output classes should check validity of names, ie that they
* only contain legal XML identifier characters.
*/
public final static String P_OUTPUT_VALIDATE_NAMES = "com.ctc.wstx.outputValidateNames";
/**
* Property that further modifies handling of invalid content so
* that if {@link #P_OUTPUT_VALIDATE_CONTENT} is enabled, instead of
* reporting an error, writer will try to fix the problem.
* Invalid content in this context refers to comment
* content with "--", CDATA with "]]>" and proc. instr data with "?>".
* This can
* be done for some content (CDATA, possibly comment), by splitting
* content into separate
* segments; but not for others (proc. instr, since that might
* change the semantics in unintended ways).
*/
public final static String P_OUTPUT_FIX_CONTENT = "com.ctc.wstx.outputFixContent";
/**
* Property that determines whether Carriage Return (\r) characters are
* to be escaped when output or not. If enabled, all instances of
* of character \r are escaped using a character entity (where possible,
* that is, within CHARACTERS events, and attribute values). Otherwise
* they are output as is. The main reason to enable this property is
* to ensure that carriage returns are preserved as is through parsing,
* since otherwise they will be converted to canonical xml linefeeds
* (\n), when occuring along or as part of \r\n pair.
*/
public final static String P_OUTPUT_ESCAPE_CR = "com.ctc.wstx.outputEscapeCr";
/**
* Property that defines a {@link InvalidCharHandler} used to determine
* what to do with a Java character that app tries to output but which
* is not a valid xml character. Alternatives are converting it to
* another character or throw an exception: default implementations
* exist for both behaviors.
*/
public final static String P_OUTPUT_INVALID_CHAR_HANDLER = "com.ctc.wstx.outputInvalidCharHandler";
// // // Per-instance access to underlying output objects
/**
* Property that can be used to find out the underlying
* {@link java.io.OutputStream} that an
* {@link javax.xml.stream.XMLStreamWriter} instance is using,
* if known (not known if constructed with a {@link java.io.Writer},
* or other non-stream destination). Null is returned, if not
* known.
*
* Note: in general it is dangerous to operate on returned stream
* (if any), due to buffering stream writer can do. As such, caller
* has to take care to know what he is doing, including properly
* flushing output.
*/
public final static String P_OUTPUT_UNDERLYING_STREAM = "com.ctc.wstx.outputUnderlyingStream";
/**
* Property that can be used to find out the underlying
* {@link java.io.Writer} that an
* {@link javax.xml.stream.XMLStreamWriter} instance is using,
* if known (may not be known if constructed with a {@link java.io.OutputStream},
* or other non-Writer destination). Null is returned, if not
* known. Note that the Writer may be an internal wrapper over
* an output stream.
*
* Note: in general it is dangerous to operate on returned Writer
* (if any), due to buffering stream writer can do. As such, caller
* has to take care to know what he is doing, including properly
* flushing output.
*/
public final static String P_OUTPUT_UNDERLYING_WRITER = "com.ctc.wstx.outputUnderlyingWriter";
}