| /* |
| * Copyright (c) 2005, 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. |
| */ |
| |
| package com.sun.xml.internal.stream.events ; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.events.StartElement; |
| import javax.xml.stream.events.Attribute; |
| import javax.xml.namespace.NamespaceContext; |
| import java.io.Writer; |
| import com.sun.xml.internal.stream.util.ReadOnlyIterator; |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.events.Namespace; |
| |
| /** Implementation of StartElementEvent. |
| * |
| * @author Neeraj Bajaj Sun Microsystems,Inc. |
| * @author K.Venugopal Sun Microsystems,Inc. |
| */ |
| |
| public class StartElementEvent extends DummyEvent |
| implements StartElement { |
| |
| private Map fAttributes; |
| private List fNamespaces; |
| private NamespaceContext fNamespaceContext = null; |
| private QName fQName; |
| |
| public StartElementEvent(String prefix, String uri, String localpart) { |
| this(new QName(uri, localpart, prefix)); |
| } |
| |
| public StartElementEvent(QName qname) { |
| fQName = qname; |
| init(); |
| } |
| |
| public StartElementEvent(StartElement startelement) { |
| this(startelement.getName()); |
| addAttributes(startelement.getAttributes()); |
| addNamespaceAttributes(startelement.getNamespaces()); |
| } |
| |
| protected void init() { |
| setEventType(XMLStreamConstants.START_ELEMENT); |
| fAttributes = new HashMap(); |
| fNamespaces = new ArrayList(); |
| } |
| |
| public QName getName() { |
| return fQName; |
| } |
| |
| public void setName(QName qname) { |
| this.fQName = qname; |
| } |
| |
| public Iterator getAttributes() { |
| if(fAttributes != null){ |
| Collection coll = fAttributes.values(); |
| return new ReadOnlyIterator(coll.iterator()); |
| } |
| return new ReadOnlyIterator(); |
| } |
| |
| public Iterator getNamespaces() { |
| if(fNamespaces != null){ |
| return new ReadOnlyIterator(fNamespaces.iterator()); |
| } |
| return new ReadOnlyIterator(); |
| } |
| |
| public Attribute getAttributeByName(QName qname) { |
| if(qname == null) |
| return null; |
| return (Attribute)fAttributes.get(qname); |
| } |
| |
| public String getNamespace(){ |
| return fQName.getNamespaceURI(); |
| } |
| |
| public String getNamespaceURI(String prefix) { |
| //check that URI was supplied when creating this startElement event and prefix matches |
| if( getNamespace() != null && fQName.getPrefix().equals(prefix)) return getNamespace(); |
| //else check the namespace context |
| if(fNamespaceContext != null) |
| return fNamespaceContext.getNamespaceURI(prefix); |
| return null; |
| } |
| |
| /** |
| * <p>Return a <code>String</code> representation of this |
| * <code>StartElement</code> formatted as XML.</p> |
| * |
| * @return <code>String</code> representation of this |
| * <code>StartElement</code> formatted as XML. |
| */ |
| public String toString() { |
| |
| StringBuffer startElement = new StringBuffer(); |
| |
| // open element |
| startElement.append("<"); |
| startElement.append(nameAsString()); |
| |
| // add any attributes |
| if (fAttributes != null) { |
| Iterator it = this.getAttributes(); |
| Attribute attr = null; |
| while (it.hasNext()) { |
| attr = (Attribute) it.next(); |
| startElement.append(" "); |
| startElement.append(attr.toString()); |
| } |
| } |
| |
| // add any namespaces |
| if (fNamespaces != null) { |
| Iterator it = fNamespaces.iterator(); |
| Namespace attr = null; |
| while (it.hasNext()) { |
| attr = (Namespace) it.next(); |
| startElement.append(" "); |
| startElement.append(attr.toString()); |
| } |
| } |
| |
| // close start tag |
| startElement.append(">"); |
| |
| // return StartElement as a String |
| return startElement.toString(); |
| } |
| |
| /** Return this event as String |
| * @return String Event returned as string. |
| */ |
| public String nameAsString() { |
| if("".equals(fQName.getNamespaceURI())) |
| return fQName.getLocalPart(); |
| if(fQName.getPrefix() != null) |
| return "['" + fQName.getNamespaceURI() + "']:" + fQName.getPrefix() + ":" + fQName.getLocalPart(); |
| else |
| return "['" + fQName.getNamespaceURI() + "']:" + fQName.getLocalPart(); |
| } |
| |
| |
| /** 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 fNamespaceContext; |
| } |
| |
| public void setNamespaceContext(NamespaceContext nc) { |
| fNamespaceContext = nc; |
| } |
| |
| protected void writeAsEncodedUnicodeEx(java.io.Writer writer) |
| throws java.io.IOException |
| { |
| writer.write(toString()); |
| } |
| |
| void addAttribute(Attribute attr){ |
| if(attr.isNamespace()){ |
| fNamespaces.add(attr); |
| }else{ |
| fAttributes.put(attr.getName(),attr); |
| } |
| } |
| |
| void addAttributes(Iterator attrs){ |
| if(attrs == null) |
| return; |
| while(attrs.hasNext()){ |
| Attribute attr = (Attribute)attrs.next(); |
| fAttributes.put(attr.getName(),attr); |
| } |
| } |
| |
| void addNamespaceAttribute(Namespace attr){ |
| if(attr == null) |
| return; |
| fNamespaces.add(attr); |
| } |
| |
| void addNamespaceAttributes(Iterator attrs){ |
| if(attrs == null) |
| return; |
| while(attrs.hasNext()){ |
| Namespace attr = (Namespace)attrs.next(); |
| fNamespaces.add(attr); |
| } |
| } |
| |
| } |