| /* |
| * Copyright (c) 2004, 2012, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC. |
| */ |
| |
| package com.sun.xml.internal.fastinfoset.stax.events ; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.xml.namespace.NamespaceContext; |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.events.Attribute; |
| import javax.xml.stream.events.Namespace; |
| import javax.xml.stream.events.StartElement; |
| |
| |
| public class StartElementEvent extends EventBase implements StartElement { |
| |
| private Map _attributes; |
| private List _namespaces; |
| private NamespaceContext _context = null; |
| private QName _qname; |
| |
| public void reset() { |
| if (_attributes != null) _attributes.clear(); |
| if (_namespaces != null) _namespaces.clear(); |
| if (_context != null) _context = null; |
| } |
| |
| public StartElementEvent() { |
| init(); |
| } |
| |
| public StartElementEvent(String prefix, String uri, String localpart) { |
| init(); |
| if (uri == null) uri = ""; |
| if (prefix == null) prefix =""; |
| _qname = new QName(uri, localpart, prefix); |
| setEventType(START_ELEMENT); |
| } |
| |
| public StartElementEvent(QName qname) { |
| init(); |
| _qname = qname; |
| } |
| |
| public StartElementEvent(StartElement startelement) { |
| this(startelement.getName()); |
| addAttributes(startelement.getAttributes()); |
| addNamespaces(startelement.getNamespaces()); |
| } |
| |
| protected void init() { |
| setEventType(XMLStreamConstants.START_ELEMENT); |
| _attributes = new HashMap(); |
| _namespaces = new ArrayList(); |
| } |
| |
| // ---------------------methods defined by StartElement-----------------// |
| /** |
| * Get the name of this event |
| * @return the qualified name of this event |
| */ |
| public QName getName() { |
| return _qname; |
| } |
| /** |
| * Returns an Iterator of non-namespace declared attributes |
| * returns an empty iterator if there are no attributes. The |
| * iterator must contain only implementations of the javax.xml.stream.Attribute |
| * interface. Attributes are fundamentally unordered and may not be reported |
| * in any order. |
| * |
| * @return a readonly Iterator over Attribute interfaces, or an |
| * empty iterator |
| */ |
| public Iterator getAttributes() { |
| if(_attributes != null){ |
| Collection coll = _attributes.values(); |
| return new ReadIterator(coll.iterator()); |
| } |
| return EmptyIterator.getInstance(); |
| } |
| |
| /** |
| * 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. |
| * |
| * <p>The iterator must contain only implementations of the |
| * javax.xml.stream.Namespace interface. |
| * |
| * <p>A Namespace is an 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. |
| * |
| * @return a readonly Iterator over Namespace interfaces, or an |
| * empty iterator if there are no namespaces. |
| * |
| */ |
| public Iterator getNamespaces() { |
| if(_namespaces != null){ |
| return new ReadIterator(_namespaces.iterator()); |
| } |
| return EmptyIterator.getInstance(); |
| } |
| |
| /** |
| * Returns the attribute referred to by this name |
| * @param qname the qname of the desired name |
| * @return the attribute corresponding to the name value or null |
| */ |
| public Attribute getAttributeByName(QName qname) { |
| if(qname == null) |
| return null; |
| return (Attribute)_attributes.get(qname); |
| } |
| |
| /** 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() { |
| return _context; |
| } |
| // ---------------------end of methods defined by StartElement-----------------// |
| |
| public void setName(QName qname) { |
| this._qname = qname; |
| } |
| |
| |
| public String getNamespace(){ |
| return _qname.getNamespaceURI(); |
| } |
| |
| /** |
| * 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) { |
| //first check if the URI was supplied when creating this startElement event |
| if( getNamespace() != null ) return getNamespace(); |
| //else check the namespace context |
| if(_context != null) |
| return _context.getNamespaceURI(prefix); |
| return null; |
| } |
| |
| public String toString() { |
| final StringBuilder sb = new StringBuilder(64); |
| |
| sb.append('<').append(nameAsString()); |
| |
| if(_attributes != null){ |
| Iterator it = this.getAttributes(); |
| Attribute attr = null; |
| while(it.hasNext()){ |
| attr = (Attribute)it.next(); |
| sb.append(' ').append(attr.toString()); |
| } |
| } |
| |
| if(_namespaces != null){ |
| Iterator it = _namespaces.iterator(); |
| Namespace attr = null; |
| while(it.hasNext()){ |
| attr = (Namespace)it.next(); |
| sb.append(' ').append(attr.toString()); |
| } |
| } |
| sb.append('>'); |
| return sb.toString(); |
| } |
| |
| /** Return this event as String |
| * @return String Event returned as string. |
| */ |
| public String nameAsString() { |
| if("".equals(_qname.getNamespaceURI())) |
| return _qname.getLocalPart(); |
| if(_qname.getPrefix() != null) |
| return "['" + _qname.getNamespaceURI() + "']:" + _qname.getPrefix() + ":" + _qname.getLocalPart(); |
| else |
| return "['" + _qname.getNamespaceURI() + "']:" + _qname.getLocalPart(); |
| } |
| |
| |
| public void setNamespaceContext(NamespaceContext context) { |
| _context = context; |
| } |
| |
| public void addAttribute(Attribute attr){ |
| _attributes.put(attr.getName(),attr); |
| } |
| |
| public void addAttributes(Iterator attrs){ |
| if(attrs != null) { |
| while(attrs.hasNext()){ |
| Attribute attr = (Attribute)attrs.next(); |
| _attributes.put(attr.getName(),attr); |
| } |
| } |
| } |
| |
| public void addNamespace(Namespace namespace){ |
| if(namespace != null) { |
| _namespaces.add(namespace); |
| } |
| } |
| |
| public void addNamespaces(Iterator namespaces){ |
| if(namespaces != null) { |
| while(namespaces.hasNext()){ |
| Namespace namespace = (Namespace)namespaces.next(); |
| _namespaces.add(namespace); |
| } |
| } |
| } |
| |
| } |