| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.idea.eclipse.importer; |
| |
| import com.intellij.openapi.options.SchemeImportException; |
| import org.jetbrains.annotations.NotNull; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.SAXParserFactory; |
| import java.io.InputStream; |
| |
| /** |
| * Reads settings from Eclipse XML profile. The actual work is done by an implementor of <code>handleOption()</code> method. |
| * |
| * @author Rustam Vishnyakov |
| */ |
| public class EclipseXmlProfileReader extends DefaultHandler implements EclipseXmlProfileElements { |
| |
| private OptionHandler myOptionHandler; |
| |
| protected EclipseXmlProfileReader(OptionHandler optionHandler) { |
| myOptionHandler = optionHandler; |
| } |
| |
| /** |
| * Reads either basic profile info (name) or all the settings depending on whether <code>settings</code> parameter is null. |
| * |
| * @param input The input stream to read from. |
| * @throws SchemeImportException |
| */ |
| protected void readSettings(InputStream input) throws SchemeImportException { |
| SAXParserFactory spf = SAXParserFactory.newInstance(); |
| spf.setValidating(false); |
| SAXParser parser; |
| try { |
| parser = spf.newSAXParser(); |
| parser.parse(input, this); |
| } |
| catch (Exception e) { |
| throw new SchemeImportException(e); |
| } |
| } |
| |
| @Override |
| public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { |
| if (PROFILE_TAG.equals(qName)) { |
| myOptionHandler.handleName(attributes.getValue(NAME_ATTR)); |
| } |
| else if (SETTING_TAG.equals(qName)) { |
| String key = attributes.getValue(ID_ATTR); |
| String value = attributes.getValue(VALUE_ATTR); |
| if (key != null && value != null) { |
| try { |
| myOptionHandler.handleOption(key, value); |
| } |
| catch (SchemeImportException e) { |
| throw new SAXException(e); |
| } |
| } |
| } |
| else //noinspection StatementWithEmptyBody |
| if (PROFILES_TAG.equals(qName)) { |
| // Ignore |
| } |
| else { |
| throw new SAXException("Unknown XML element: " + qName); |
| } |
| } |
| |
| |
| interface OptionHandler { |
| void handleOption(@NotNull String eclipseKey, @NotNull String value) throws SchemeImportException; |
| void handleName(String name); |
| } |
| } |