org.codehaus.stax2.XMLOutputFactory2 Maven / Gradle / Ivy
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package org.codehaus.stax2;
import java.io.Writer;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter; // only for javadoc
import org.codehaus.stax2.io.EscapingWriterFactory;
/**
* Extension of {@link javax.xml.stream.XMLInputFactory} to add
* missing functionality.
*
* Also contains extended standard properties that conforming stream
* writer factory and instance implementations should at least
* recognize, and preferably support.
*
* NOTE: although actual values for the property names are
* visible, implementations should try to use the symbolic constants
* defined here instead, to avoid typos.
*
* Notes about properties that output factories should support:
*
* - {@link XMLStreamProperties#XSP_NAMESPACE_AWARE}:
* Whether output classes should keep track of and output namespace
* information provided via write methods.
* When enabled (set to Boolean.TRUE), will use all namespace information
* provided, and does not allow colons in names (local name, prefix).
* What exactly is kept track
* of depends on other settings, specifically whether
* writer is in "repairing" mode or not.
* When disabled, will only make use of local name part, which
* may contain colons, and ignore prefix and namespace URI if any
* are passed.
* Turning this option off may improve performance if no namespace
* handling is needed.
* Default value for implementations should be 'true'; implementations
* are not required to implement 'false'.
*
* - {@link XMLStreamProperties#XSP_PROBLEM_REPORTER}:
*
*
*
* @version 3.0 01/21/2007
* @author Tatu Saloranta ([email protected])
*/
public abstract class XMLOutputFactory2
extends XMLOutputFactory
implements XMLStreamProperties
{
/*
///////////////////////////////////////////////////////////
// We share some options with other factories
///////////////////////////////////////////////////////////
*/
//public final static String XSP_IMPLEMENTATION_NAME
//public final static String XSP_IMPLEMENTATION_VERSION
//public final static String XSP_NAMESPACE_AWARE
//public final static String XSP_PROBLEM_REPORTER
/*
///////////////////////////////////////////////////////////
// Additional standard configuration properties
///////////////////////////////////////////////////////////
*/
// // General output options:
/**
* Whether stream writers are allowed to automatically output empty
* elements, when a start element is immediately followed by matching
* end element.
* If true, will output empty elements; if false, will always create
* separate end element (unless a specific method that produces empty
* elements is called).
*
* Default value for implementations should be 'true'; both values should
* be recognized, and 'false' must be honored. However, 'true' value
* is only a suggestion, and need not be implemented (since there is
* the explicit 'writeEmptyElement()' method).
*/
public final static String P_AUTOMATIC_EMPTY_ELEMENTS = "org.codehaus.stax2.automaticEmptyElements";
// // // Output stream/writer settings
/**
* Whether stream writer is to close the underlying output
* destination (output stream, reader) when stream writer is closed.
* Basic StAX2 specification mandates this feature to be set to
* false by default
* (for destinations that are passed by the application and for which
* it has access to).
*
* Note: if set to true, writers are also allowed (but not required) to
* close the underlying destination when they do not need it any more,
* for example when throwing an (unrecoverable) exception
*/
public final static String P_AUTO_CLOSE_OUTPUT = "org.codehaus.stax2.autoCloseOutput";
// // Namespace options:
/**
* Prefix to use for automatically created namespace prefixes, when
* namespace support is enabled, the writer is in "repairing"
* mode, and a new prefix name is needed. The value is a String,
* and needs to be a valid namespace prefix in itself, as defined
* by the namespace specification. Will be prepended by a trailing
* part (often a sequence number), in order to make it unique to
* be usable as a temporary non-colliding prefix.
*/
public final static String P_AUTOMATIC_NS_PREFIX = "org.codehaus.stax2.automaticNsPrefix";
// // Text/attribute value escaping options:
/**
* Property that can be set if a custom output escaping for textual
* content is needed.
* The value set needs to be of type {@link EscapingWriterFactory}.
* When set, the factory will be used to create a per-writer
* instance used to escape all textual content written, both
* via explicit {@link XMLStreamWriter#writeCharacters} methods,
* and via copy methods ({@link XMLStreamWriter2#copyEventFromReader}).
*/
public final static String P_TEXT_ESCAPER = "org.codehaus.stax2.textEscaper";
/**
* Property that can be set if a custom output escaping for attribute
* value content is needed.
* The value set needs to be of type {@link EscapingWriterFactory}.
* When set, the factory will be used to create a per-writer
* instance used to escape all attribute values written, both
* via explicit {@link XMLStreamWriter#writeAttribute} methods,
* and via copy methods ({@link XMLStreamWriter2#copyEventFromReader}).
*/
public final static String P_ATTR_VALUE_ESCAPER = "org.codehaus.stax2.attrValueEscaper";
/*
///////////////////////////////////////////////////////////
// Life-cycle
///////////////////////////////////////////////////////////
*/
protected XMLOutputFactory2() {
super();
}
public abstract XMLEventWriter createXMLEventWriter(Writer w, String encoding)
throws XMLStreamException;
public abstract XMLEventWriter createXMLEventWriter(XMLStreamWriter sw)
throws XMLStreamException;
public abstract XMLStreamWriter2 createXMLStreamWriter(Writer w, String encoding)
throws XMLStreamException;
/*
///////////////////////////////////////////////////////////
// Configuring using profiles
///////////////////////////////////////////////////////////
*/
/**
* Method call to make writer be as strict with output as possible,
* ie maximize validation it does to try to catch any well-formedness
* or validity problems.
*
* This configuration does add some overhead to output process, since
* it enables content checks that are overhead.
*
* None of currently defined standard properties should be affected,
* but implementations are likely to enable/disable custom
* properties related to validation.
*/
public abstract void configureForXmlConformance();
/**
* Method call to make writer be as robust as possible, that is, to
* make it both check AND fix problems if it can.
*
* Like {@link #configureForXmlConformance}, this configuration adds
* some overhead to output process.
*
* None of currently defined standard properties should be affected,
* but implementations are likely to enable/disable custom
* properties related to validation.
*/
public abstract void configureForRobustness();
/**
* Method call to make writer optimize its operation for speed. This
* generally disably additional checks (if any) writer does, and is
* likely to disable many things that {@link #configureForXmlConformance}
* (and {@link #configureForRobustness}) enables.
*
* None of currently defined standard properties should be affected.
*/
public abstract void configureForSpeed();
}