| /******************************************************************************* |
| * Copyright (c) 2007 Chase Technology Ltd - http://www.chasetechnology.co.uk |
| * 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: |
| * Doug Satchwell (Chase Technology Ltd) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsl.internal.launching; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.xml.parsers.ParserConfigurationException; |
| import javax.xml.transform.TransformerException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| |
| public class FeaturePreferences |
| { |
| private Map<String, Map<String, String>> typeFeatures; |
| |
| public Map<String, String> getFeaturesValues(String typeId) |
| { |
| return typeFeatures.get(typeId); |
| } |
| |
| public void setTypeFeatures(Map<String, Map<String, String>> typeFeatures) |
| { |
| this.typeFeatures = typeFeatures; |
| } |
| |
| public String getAsXML() throws ParserConfigurationException, IOException, TransformerException |
| { |
| Document doc = PreferenceUtil.getDocument(); |
| Element config = doc.createElement("featurePreferences"); //$NON-NLS-1$ |
| doc.appendChild(config); |
| |
| for (String typeId : typeFeatures.keySet()) |
| { |
| Element processorTypeElement = typeAsElement(doc, typeId); |
| Map<String, String> featureValues = typeFeatures.get(typeId); |
| featureValuesAsElement(doc, processorTypeElement, featureValues); |
| config.appendChild(processorTypeElement); |
| } |
| |
| // Serialize the Document and return the resulting String |
| return PreferenceUtil.serializeDocument(doc); |
| } |
| |
| public static FeaturePreferences fromXML(InputStream inputStream) throws CoreException |
| { |
| FeaturePreferences prefs = new FeaturePreferences(); |
| |
| // Do the parsing and obtain the top-level node |
| Document doc = PreferenceUtil.getDocument(inputStream); |
| Element config = doc.getDocumentElement(); |
| |
| Map<String, Map<String, String>> typeFeatures = new HashMap<String, Map<String, String>>(); |
| Element[] processorTypeEls = PreferenceUtil.getChildElements(config, "processorType"); //$NON-NLS-1$ |
| for (int i = 0; i < processorTypeEls.length; ++i) |
| { |
| Element processorTypeEl = processorTypeEls[i]; |
| String type = elementAsType(processorTypeEl); |
| Map<String, String> featureValues = elementAsFeatureValues(processorTypeEl); |
| typeFeatures.put(type, featureValues); |
| } |
| |
| prefs.setTypeFeatures(typeFeatures); |
| |
| return prefs; |
| } |
| |
| private static String elementAsType(Element parent) |
| { |
| String id = parent.getAttribute("id"); //$NON-NLS-1$ |
| return id; |
| } |
| |
| private static Element typeAsElement(Document doc, String type) |
| { |
| Element element = doc.createElement("processorType"); //$NON-NLS-1$ |
| element.setAttribute("id", type); //$NON-NLS-1$ |
| return element; |
| } |
| |
| private static Map<String, String> elementAsFeatureValues(Element element) |
| { |
| Element[] featureEls = PreferenceUtil.getChildElements(element, "feature"); //$NON-NLS-1$ |
| Map<String, String> featureValues = new HashMap<String, String>(featureEls.length); |
| for (Element featureEl : featureEls) |
| { |
| String uri = featureEl.getAttribute("uri"); //$NON-NLS-1$ |
| String value = featureEl.getAttribute("value"); //$NON-NLS-1$ |
| featureValues.put(uri, value); |
| } |
| return featureValues; |
| } |
| |
| private static void featureValuesAsElement(Document doc, Element featuresEl, Map<String, String> featureValues) |
| { |
| if (featureValues != null) |
| { |
| for (Map.Entry<String,String> entry2 : featureValues.entrySet()) |
| { |
| String uri = (String) entry2.getKey(); |
| String value = (String) entry2.getValue(); |
| Element element = doc.createElement("feature"); //$NON-NLS-1$ |
| element.setAttribute("uri", uri); //$NON-NLS-1$ |
| element.setAttribute("value", value); //$NON-NLS-1$ |
| featuresEl.appendChild(element); |
| } |
| } |
| } |
| } |