javax.xml.stream.events.StartElement Maven / Gradle / Ivy
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/*
* Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javax.xml.stream.events;
import javax.xml.namespace.QName;
import javax.xml.namespace.NamespaceContext;
import java.util.Iterator;
/**
* The StartElement interface provides access to information about
* start elements. A StartElement is reported for each Start Tag
* in the document.
*
* @version 1.0
* @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.
* @since 1.6
*/
public interface StartElement extends XMLEvent {
/**
* Get the name of this event
* @return the qualified name of this event
*/
public QName getName();
/**
* Returns an Iterator of non-namespace attributes declared on this START_ELEMENT.
* Returns an empty iterator if there are no attributes.
* The iterator must contain only implementations of the
* {@link Attribute} interface.
* Attributes are fundamentally unordered and may be reported
* in any order.
*
* @return a readonly Iterator over Attribute interfaces, or an
* empty iterator
*/
public Iterator getAttributes();
/**
* Returns an Iterator of namespaces declared on this element.
* This Iterator does not contain previously declared namespaces
* unless they appear on the current START_ELEMENT.
* Therefore this list may contain redeclared namespaces and duplicate namespace
* declarations. Use the getNamespaceContext() method to get the
* current context of namespace declarations.
*
* The iterator must contain only implementations of the
* {@link Namespace} interface.
*
*
A {@link Namespace} is an {@link Attribute}. One
* can iterate over a list of namespaces as a list of attributes.
* However this method returns only the list of namespaces
* declared on this START_ELEMENT and does not
* include the attributes declared on this START_ELEMENT.
*
* Returns an empty iterator if there are no namespaces.
*
* @return a readonly Iterator over Namespace interfaces, or an
* empty iterator
*
*/
public Iterator getNamespaces();
/**
* Returns the attribute referred to by the qname.
* @param name the qname of the desired attribute
* @return the attribute corresponding to the name value or null
*/
public Attribute getAttributeByName(QName name);
/**
* Gets a read-only namespace context. If no context is
* available this method will return an empty namespace context.
* The NamespaceContext contains information about all namespaces
* in scope for this StartElement.
*
* @return the current namespace context
*/
public NamespaceContext getNamespaceContext();
/**
* Gets the value that the prefix is bound to in the
* context of this element. Returns null if
* the prefix is not bound in this context
* @param prefix the prefix to lookup
* @return the uri bound to the prefix or null
*/
public String getNamespaceURI(String prefix);
}