blob: 8cf35d3ff9385977c17156f6a67a098efec24c5b [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id$
*/
package org.apache.xml.serializer;
import javax.xml.transform.SourceLocator;
import org.xml.sax.SAXException;
/**
* This interface describes extensions to the SAX ContentHandler interface.
* It is intended to be used by a serializer. The methods on this interface will
* implement SAX- like behavior. This allows the gradual collection of
* information rather than having it all up front. For example the call
* <pre>
* startElement(namespaceURI,localName,qName,atts)
* </pre>
* could be replaced with the calls
* <pre>
* startElement(namespaceURI,localName,qName)
* addAttributes(atts)
* </pre>
* If there are no attributes the second call can be dropped. If attributes are
* to be added one at a time with calls to
* <pre>
* addAttribute(namespaceURI, localName, qName, type, value)
* </pre>
* @xsl.usage internal
*/
public interface ExtendedContentHandler extends org.xml.sax.ContentHandler
{
/**
* Add at attribute to the current element
* @param uri the namespace URI of the attribute name
* @param localName the local name of the attribute (without prefix)
* @param rawName the qualified name of the attribute
* @param type the attribute type typically character data (CDATA)
* @param value the value of the attribute
* @param XSLAttribute true if the added attribute is coming from an xsl:attribute element
* @throws SAXException
*/
public void addAttribute(
String uri,
String localName,
String rawName,
String type,
String value,
boolean XSLAttribute)
throws SAXException;
/**
* Add attributes to the current element
* @param atts the attributes to add.
* @throws SAXException
*/
public void addAttributes(org.xml.sax.Attributes atts)
throws org.xml.sax.SAXException;
/**
* Add an attribute to the current element. The namespace URI of the
* attribute will be calculated from the prefix of qName. The local name
* will be derived from qName and the type will be assumed to be "CDATA".
* @param qName
* @param value
*/
public void addAttribute(String qName, String value);
/**
* This method is used to notify of a character event, but passing the data
* as a character String rather than the standard character array.
* @param chars the character data
* @throws SAXException
*/
public void characters(String chars) throws SAXException;
/**
* This method is used to notify of a character event, but passing the data
* as a DOM Node rather than the standard character array.
* @param node a DOM Node containing text.
* @throws SAXException
*/
public void characters(org.w3c.dom.Node node) throws org.xml.sax.SAXException;
/**
* This method is used to notify that an element has ended. Unlike the
* standard SAX method
* <pre>
* endElement(namespaceURI,localName,qName)
* </pre>
* only the last parameter is passed. If needed the serializer can derive
* the localName from the qualified name and derive the namespaceURI from
* its implementation.
* @param elemName the fully qualified element name.
* @throws SAXException
*/
public void endElement(String elemName) throws SAXException;
/**
* This method is used to notify that an element is starting.
* This method is just like the standard SAX method
* <pre>
* startElement(uri,localName,qname,atts)
* </pre>
* but without the attributes.
* @param uri the namespace URI of the element
* @param localName the local name (without prefix) of the element
* @param qName the qualified name of the element
*
* @throws SAXException
*/
public void startElement(String uri, String localName, String qName)
throws org.xml.sax.SAXException;
/**
* This method is used to notify of the start of an element
* @param qName the fully qualified name of the element
* @throws SAXException
*/
public void startElement(String qName) throws SAXException;
/**
* This method is used to notify that a prefix mapping is to start, but
* after an element is started. The SAX method call
* <pre>
* startPrefixMapping(prefix,uri)
* </pre>
* is used just before an element starts and applies to the element to come,
* not to the current element. This method applies to the current element.
* For example one could make the calls in this order:
* <pre>
* startElement("prfx8:elem9")
* namespaceAfterStartElement("http://namespace8","prfx8")
* </pre>
*
* @param uri the namespace URI being declared
* @param prefix the prefix that maps to the given namespace
* @throws SAXException
*/
public void namespaceAfterStartElement(String uri, String prefix)
throws SAXException;
/**
* This method is used to notify that a prefix maping is to start, which can
* be for the current element, or for the one to come.
* @param prefix the prefix that maps to the given URI
* @param uri the namespace URI of the given prefix
* @param shouldFlush if true this call is like the SAX
* startPrefixMapping(prefix,uri) call and the mapping applies to the
* element to come. If false the mapping applies to the current element.
* @return boolean false if the prefix mapping was already in effect (in
* other words we are just re-declaring), true if this is a new, never
* before seen mapping for the element.
* @throws SAXException
*/
public boolean startPrefixMapping(
String prefix,
String uri,
boolean shouldFlush)
throws SAXException;
/**
* Notify of an entity reference.
* @param entityName the name of the entity
* @throws SAXException
*/
public void entityReference(String entityName) throws SAXException;
/**
* This method returns an object that has the current namespace mappings in
* effect.
*
* @return NamespaceMappings an object that has the current namespace
* mappings in effect.
*/
public NamespaceMappings getNamespaceMappings();
/**
* This method returns the prefix that currently maps to the given namespace
* URI.
* @param uri the namespace URI
* @return String the prefix that currently maps to the given URI.
*/
public String getPrefix(String uri);
/**
* This method gets the prefix associated with a current element or
* attribute name.
* @param name the qualified name of an element, or attribute
* @param isElement true if it is an element name, false if it is an
* atttribute name
* @return String the namespace URI associated with the element or
* attribute.
*/
public String getNamespaceURI(String name, boolean isElement);
/**
* This method returns the namespace URI currently associated with the
* prefix.
* @param prefix a prefix of an element or attribute.
* @return String the namespace URI currently associated with the prefix.
*/
public String getNamespaceURIFromPrefix(String prefix);
/**
* This method is used to set the source locator, which might be used to
* generated an error message.
* @param locator the source locator
*/
public void setSourceLocator(SourceLocator locator);
// Bit constants for addUniqueAttribute().
// The attribute value contains no bad characters. A "bad" character is one which
// is greater than 126 or it is one of '<', '>', '&' or '"'.
public static final int NO_BAD_CHARS = 0x1;
// An HTML empty attribute (e.g. <OPTION selected>).
public static final int HTML_ATTREMPTY = 0x2;
// An HTML URL attribute
public static final int HTML_ATTRURL = 0x4;
/**
* Add a unique attribute to the current element.
* The attribute is guaranteed to be unique here. The serializer can write
* it out immediately without saving it in a table first. The integer
* flag contains information about the attribute, which helps the serializer
* to decide whether a particular processing is needed.
*
* @param qName the fully qualified attribute name.
* @param value the attribute value
* @param flags a bitwise flag
*/
public void addUniqueAttribute(String qName, String value, int flags)
throws SAXException;
/**
* Add an attribute from an xsl:attribute element.
* @param qName the qualified attribute name (prefix:localName)
* @param value the attributes value
* @param uri the uri that the prefix of the qName is mapped to.
*/
public void addXSLAttribute(String qName, final String value, final String uri);
/**
* Add at attribute to the current element, not from an xsl:attribute
* element.
* @param uri the namespace URI of the attribute name
* @param localName the local name of the attribute (without prefix)
* @param rawName the qualified name of the attribute
* @param type the attribute type typically character data (CDATA)
* @param value the value of the attribute
* @throws SAXException
*/
public void addAttribute(
String uri,
String localName,
String rawName,
String type,
String value)
throws SAXException;
}