| /******************************************************************************* |
| * Copyright (c) 2002, 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * David Carver - STAR - bug 198807 - attribute order dependancy. |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.core.internal.contentmodel.util; |
| |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NamedNodeMap; |
| |
| import com.ibm.icu.util.StringTokenizer; |
| |
| |
| public class NamespaceAttributeVisitor |
| { |
| public static final String XML_SCHEMA_INSTANCE_URI = "http://www.w3.org/2001/XMLSchema-instance"; //$NON-NLS-1$ |
| public String xsiPrefix = "xsi"; //$NON-NLS-1$ |
| |
| public void visitXMLNamespaceAttribute(Attr attr, String namespacePrefix, String namespaceURI) |
| { |
| if (namespaceURI.equals(XML_SCHEMA_INSTANCE_URI)) |
| { |
| xsiPrefix = namespacePrefix; |
| } |
| } |
| |
| public void visitXSINoNamespaceSchemaLocationAttribute(Attr attr, String value) |
| { |
| } |
| |
| public void visitXSISchemaLocationAttribute(Attr attr, String value) |
| { |
| StringTokenizer st = new StringTokenizer(value); |
| while (true) |
| { |
| String nsURI = st.hasMoreTokens() ? st.nextToken() : null; |
| String locationHint = st.hasMoreTokens() ? st.nextToken() : null; |
| if (nsURI != null && locationHint != null) |
| { |
| visitXSISchemaLocationValuePair(nsURI, locationHint); |
| } |
| else |
| { |
| break; |
| } |
| } |
| } |
| |
| public void visitXSISchemaLocationValuePair(String uri, String locationHint) |
| { |
| } |
| |
| public void visitElement(Element element) |
| { |
| NamedNodeMap map = element.getAttributes(); |
| int mapLength = map.getLength(); |
| |
| // First retrieve all the namespaces so that they are loaded before |
| // doing any special prefix handling. This allows the attributes to be |
| // defined in any order, but the namespaces have to be retrieved first. |
| |
| for (int i = 0; i < mapLength; i++) |
| { |
| Attr attr = (Attr)map.item(i); |
| String prefix = DOMNamespaceHelper.getPrefix(attr.getName()); |
| String unprefixedName = DOMNamespaceHelper.getUnprefixedName(attr.getName()); |
| if (prefix != null && unprefixedName != null) |
| { |
| if (prefix.equals("xmlns")) //$NON-NLS-1$ |
| { |
| visitXMLNamespaceAttribute(attr, unprefixedName, attr.getValue()); |
| } |
| } |
| else if (unprefixedName != null) |
| { |
| if (unprefixedName.equals("xmlns")) //$NON-NLS-1$ |
| { |
| visitXMLNamespaceAttribute(attr, "", attr.getValue()); //$NON-NLS-1$ |
| } |
| } |
| |
| } |
| |
| for (int i = 0; i < mapLength; i++) |
| { |
| Attr attr = (Attr)map.item(i); |
| String prefix = DOMNamespaceHelper.getPrefix(attr.getName()); |
| String unprefixedName = DOMNamespaceHelper.getUnprefixedName(attr.getName()); |
| if (prefix != null && unprefixedName != null) |
| { |
| if (prefix.equals(xsiPrefix) && unprefixedName.equals("schemaLocation")) //$NON-NLS-1$ |
| { |
| visitXSISchemaLocationAttribute(attr, attr.getValue()); |
| } |
| else if (prefix.equals(xsiPrefix) && unprefixedName.equals("noNamespaceSchemaLocation")) //$NON-NLS-1$ |
| { |
| visitXSINoNamespaceSchemaLocationAttribute(attr, attr.getValue()); |
| } |
| } |
| } |
| } |
| } |