| /******************************************************************************* |
| * Copyright (c) 2005, 2011 Andrea Bittau, University College London, 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: |
| * Andrea Bittau - initial API and implementation from the PsychoPath XPath 2.0 |
| * Jesper Steen Moller - bug 340933 - Migrate to new XPath2 API |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.xpath2.processor.internal.types; |
| |
| import java.util.Collections; |
| import java.util.Iterator; |
| |
| import javax.xml.datatype.DatatypeConfigurationException; |
| import javax.xml.datatype.DatatypeFactory; |
| |
| import org.eclipse.wst.xml.xpath2.api.Item; |
| import org.eclipse.wst.xml.xpath2.api.typesystem.ItemType; |
| import org.eclipse.wst.xml.xpath2.api.typesystem.TypeDefinition; |
| import org.eclipse.wst.xml.xpath2.processor.internal.types.builtin.SingleItemSequence; |
| |
| /** |
| * Common base for every type |
| */ |
| public abstract class AnyType implements SingleItemSequence { |
| |
| protected static DatatypeFactory _datatypeFactory; |
| static { |
| try { |
| _datatypeFactory = DatatypeFactory.newInstance(); |
| } |
| catch (DatatypeConfigurationException e) { |
| throw new RuntimeException("Cannot initialize XML datatypes", e); |
| } |
| } |
| |
| /** |
| * Retrieves the datatype's full pathname |
| * |
| * @return Datatype's full pathname |
| */ |
| public abstract String string_type(); |
| |
| /** |
| * Retrieves the datatype's text representation |
| * |
| * @return Value as a string |
| */ |
| public abstract String getStringValue(); |
| |
| public String string_value() { |
| return getStringValue(); |
| } |
| |
| /** |
| * Returns the "new style" of TypeDefinition for this item. |
| * |
| * @return Type definition (possibly backed by a schema type) |
| */ |
| public abstract TypeDefinition getTypeDefinition(); |
| |
| public boolean empty() { |
| return false; |
| } |
| |
| public Iterator<Item> iterator() { |
| return Collections.singletonList((Item)this).iterator(); |
| } |
| |
| public ItemType getItemType() { |
| return new SimpleAtomicItemTypeImpl(getTypeDefinition()); |
| } |
| |
| abstract public Object getNativeValue(); |
| |
| public int size() { |
| return 1; |
| } |
| |
| public Item item(int index) { |
| checkIOOB(index); |
| return this; |
| } |
| |
| private void checkIOOB(int index) { |
| if (index != 0) throw new IndexOutOfBoundsException("Index out of bounds, index = " + index + ", length = 1"); |
| } |
| |
| public Object value(int index) { |
| checkIOOB(index); |
| return getNativeValue(); |
| } |
| public ItemType itemType(int index) { |
| checkIOOB(index); |
| return getItemType(); |
| } |
| |
| public AnyType first() { |
| return this; |
| } |
| |
| public Object firstValue() { |
| return this.getNativeValue(); |
| } |
| |
| public ItemType sequenceType() { |
| return new SimpleAtomicItemTypeImpl(getTypeDefinition(), ItemType.OCCURRENCE_ONE); |
| } |
| } |