| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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 |
| *******************************************************************************/ |
| package org.eclipse.update.core.model; |
| |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.eclipse.core.runtime.MultiStatus; |
| import org.eclipse.update.internal.core.InternalFeatureParser; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.SAXParseException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| /** |
| * Default feature parser. |
| * Parses the feature manifest file as defined by the platform. Defers |
| * to a model factory to create the actual concrete model objects. The |
| * update framework supplies two factory implementations: |
| * <ul> |
| * <p> |
| * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| * </p> |
| * <li>@see org.eclipse.update.core.model.FeatureModelFactory |
| * <li>@see org.eclipse.update.core.BaseFeatureFactory |
| * </ul> |
| * |
| * @since 2.0 |
| * @deprecated The org.eclipse.update component has been replaced by Equinox p2. |
| * This API will be deleted in a future release. See bug 311590 for details. |
| */ |
| public class DefaultFeatureParser extends DefaultHandler { |
| |
| private InternalFeatureParser featureParser; |
| |
| |
| // Current State Information |
| //Stack stateStack = new Stack(); |
| |
| // Current object stack (used to hold the current object we are |
| // populating in this plugin descriptor |
| //Stack objectStack = new Stack(); |
| |
| /** |
| * Constructs a feature parser. |
| * |
| * @since 2.0 |
| */ |
| public DefaultFeatureParser() { |
| super(); |
| featureParser = new InternalFeatureParser(); |
| } |
| |
| public void init(FeatureModelFactory factory) { |
| init(factory, null); |
| } |
| |
| /** |
| * @param factory |
| * @param location |
| * @since 3.1 |
| */ |
| public void init(FeatureModelFactory factory, String location) { |
| |
| this.featureParser.init(factory, location); |
| } |
| |
| /** |
| * Parses the specified input steam and constructs a feature model. |
| * The input stream is not closed as part of this operation. |
| * |
| * @param in input stream |
| * @return feature model |
| * @exception SAXException |
| * @exception IOException |
| * @since 2.0 |
| */ |
| public FeatureModel parse(InputStream in) throws SAXException, IOException { |
| return featureParser.parse(in); |
| } |
| |
| /** |
| * Returns all status objects accumulated by the parser. |
| * |
| * @return multi-status containing accumulated status, or <code>null</code>. |
| * @since 2.0 |
| */ |
| public MultiStatus getStatus() { |
| return featureParser.getStatus(); |
| } |
| |
| /** |
| * Handle start of element tags |
| * @see DefaultHandler#startElement(String, String, String, Attributes) |
| * @since 2.0 |
| */ |
| public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { |
| featureParser.startElement(uri, localName, qName, attributes); |
| |
| |
| } |
| |
| /** |
| * Handle end of element tags |
| * @see DefaultHandler#endElement(String, String, String) |
| * @since 2.0 |
| */ |
| public void endElement(String uri, String localName, String qName) { |
| featureParser.endElement(uri, localName, qName); |
| } |
| |
| |
| /** |
| * Handle character text |
| * @see DefaultHandler#characters(char[], int, int) |
| * @since 2.0 |
| */ |
| public void characters(char[] ch, int start, int length) { |
| featureParser.characters(ch, start, length); |
| } |
| |
| /** |
| * Handle errors |
| * @see DefaultHandler#error(SAXParseException) |
| * @since 2.0 |
| */ |
| public void error(SAXParseException ex) { |
| featureParser.error(ex); |
| } |
| |
| /** |
| * Handle fatal errors |
| * @see DefaultHandler#fatalError(SAXParseException) |
| * @exception SAXException |
| * @since 2.0 |
| */ |
| public void fatalError(SAXParseException ex) throws SAXException { |
| featureParser.fatalError(ex); |
| } |
| |
| /** |
| * @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int) |
| */ |
| public void ignorableWhitespace(char[] arg0, int arg1, int arg2) throws SAXException { |
| featureParser.ignorableWhitespace(arg0, arg1, arg2); |
| } |
| } |