| /* |
| * Copyright (c) 2002 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| */ |
| package org.eclipse.wst.xml.core.internal.contentmodel.internal.annotation; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PrintStream; |
| import java.net.URL; |
| import java.util.ResourceBundle; |
| |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.SAXParserFactory; |
| |
| import org.eclipse.wst.xml.core.internal.contentmodel.annotation.Annotation; |
| import org.eclipse.wst.xml.core.internal.contentmodel.annotation.AnnotationMap; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| |
| /** |
| * |
| */ |
| public class AnnotationFileParser |
| { |
| public static final String TAG_ID_ANNOTATIONS = "abstractGrammarAnnotations"; //$NON-NLS-1$ |
| public static final String TAG_ID_ANNOTATION = "annotation"; //$NON-NLS-1$ |
| public static final String TAG_ID_PROPERTY = "property"; //$NON-NLS-1$ |
| |
| /** |
| * This method is called to parse an annotation file and store the contents into an annotationMap |
| */ |
| protected void parse(AnnotationMap annotationMap, InputStream input, String baseURI) throws Exception |
| { |
| // move to Xerces-2.... add 'contextClassLoader' stuff |
| ClassLoader prevClassLoader = Thread.currentThread().getContextClassLoader(); |
| try |
| { |
| SAXParserFactory factory = SAXParserFactory.newInstance(); |
| factory.setNamespaceAware(true); |
| SAXParser parser = factory.newSAXParser(); |
| parser.parse(new InputSource(input), new AnnotationMapContentHandler(annotationMap, baseURI)); |
| } |
| finally |
| { |
| Thread.currentThread().setContextClassLoader(prevClassLoader); |
| } |
| } |
| |
| /** |
| * This method is called to parse an annotation file and store the contents into an annotationMap |
| */ |
| public void parse(AnnotationMap map, String uri) throws Exception |
| { |
| InputStream inputStream = null; |
| try |
| { |
| URL url = new URL(uri); |
| inputStream = url.openStream(); |
| int index = uri.lastIndexOf("/"); //$NON-NLS-1$ |
| if (index == -1) |
| { |
| throw new Exception("malformed url " + uri); //$NON-NLS-1$ |
| } |
| String baseURI = uri.substring(0, index); |
| parse(map, inputStream, baseURI); |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(); |
| throw(e); |
| } |
| finally |
| { |
| try |
| { if(inputStream != null) |
| { |
| inputStream.close(); |
| } |
| } |
| catch (IOException e) |
| { |
| } |
| } |
| } |
| |
| |
| protected String quote(String string) |
| { |
| return "\"" + string + "\""; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| |
| protected void printlnIndented(PrintStream out, int indent, String string) |
| { |
| for (int i = 0; i < indent; i++) |
| { |
| out.print(" "); //$NON-NLS-1$ |
| } |
| out.println(string); |
| } |
| |
| |
| protected class AnnotationMapContentHandler extends DefaultHandler |
| { |
| protected AnnotationMap annotationMap; |
| protected Annotation currentAnnotation; |
| protected String currentPropertyName; |
| protected StringBuffer propertyValueBuffer; |
| protected ResourceBundle resourceBundle; |
| protected String baseURI; |
| |
| public AnnotationMapContentHandler(AnnotationMap annotationMap, String baseURI) |
| { |
| this.annotationMap = annotationMap; |
| this.baseURI = baseURI; |
| } |
| |
| public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException |
| { |
| propertyValueBuffer = new StringBuffer(); |
| if (localName.equals(TAG_ID_ANNOTATIONS)) |
| { |
| int attributesLength = attributes.getLength(); |
| for (int i = 0; i < attributesLength; i++) |
| { |
| String attributeName = attributes.getLocalName(i); |
| String attributeValue = attributes.getValue(i); |
| if (attributeName.equals("propertiesLocation")) //$NON-NLS-1$ |
| { |
| String resourceURI = baseURI + "/" + attributeValue; //$NON-NLS-1$ |
| try |
| { |
| resourceBundle = ResourceBundleHelper.getResourceBundle(resourceURI); |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(); |
| } |
| } |
| else if (attributeName.equals("caseSensitive")) //$NON-NLS-1$ |
| { |
| if (attributeValue.trim().equals("false")) //$NON-NLS-1$ |
| { |
| annotationMap.setCaseSensitive(false); |
| } |
| } |
| } |
| } |
| else if (localName.equals(TAG_ID_ANNOTATION)) |
| { |
| currentAnnotation = null; |
| String specValue = attributes.getValue("spec"); //$NON-NLS-1$ |
| if (specValue != null) |
| { |
| currentAnnotation = new Annotation(); |
| currentAnnotation.setSpec(specValue); |
| } |
| annotationMap.addAnnotation(currentAnnotation); |
| } |
| else if (localName.equals(TAG_ID_PROPERTY)) |
| { |
| if (currentAnnotation != null) |
| { |
| currentPropertyName = attributes.getValue("name"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| public void endElement(String uri, String localName, String qName) throws SAXException |
| { |
| if (currentPropertyName != null && currentAnnotation != null) |
| { |
| String propertyValue = propertyValueBuffer.toString(); |
| if (propertyValue != null) |
| { |
| if (propertyValue.startsWith("%") && resourceBundle != null) //$NON-NLS-1$ |
| { |
| try |
| { |
| propertyValue = resourceBundle.getString(propertyValue.substring(1)); |
| } |
| catch (Exception e) |
| { |
| // ignore any exception that occurs while trying to fetch a resource |
| } |
| } |
| currentAnnotation.setProperty(currentPropertyName, propertyValue); |
| } |
| } |
| |
| if (localName.equals(TAG_ID_ANNOTATION)) |
| { |
| currentAnnotation = null; |
| } |
| else if (localName.equals(TAG_ID_PROPERTY)) |
| { |
| currentPropertyName = null; |
| } |
| } |
| |
| public void characters(char[] ch, int start, int length) |
| { |
| if (currentPropertyName != null && currentAnnotation != null) |
| { |
| propertyValueBuffer.append(ch, start, length); |
| } |
| } |
| } |
| } |