| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to You 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.apache.sling.feature.cpconverter.handlers; |
| |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.Calendar; |
| import java.util.Dictionary; |
| import java.util.Objects; |
| import java.util.function.Function; |
| |
| import javax.jcr.PropertyType; |
| |
| import org.apache.felix.cm.json.Configurations; |
| import org.apache.jackrabbit.util.ISO8601; |
| import org.apache.jackrabbit.vault.util.DocViewProperty; |
| import org.apache.sling.feature.cpconverter.shared.AbstractJcrNodeParser; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.xml.sax.Attributes; |
| |
| public final class XmlConfigurationEntryHandler extends AbstractConfigurationEntryHandler { |
| |
| public XmlConfigurationEntryHandler() { |
| super("xml"); |
| } |
| |
| @Override |
| protected @Nullable Dictionary<String, Object> parseConfiguration(@NotNull String name, @NotNull InputStream input) { |
| try { |
| return new JcrConfigurationParser().parse(input); |
| } catch (Exception e) { |
| logger.warn("Current OSGi configuration does not represent a valid XML document, see nested exceptions", e); |
| return null; |
| } |
| } |
| |
| private static final class JcrConfigurationParser extends AbstractJcrNodeParser<Dictionary<String, Object>> { |
| |
| private static final String SLING_OSGICONFIG = "sling:OsgiConfig"; |
| |
| private Dictionary<String, Object> configuration; |
| |
| public JcrConfigurationParser() { |
| super(SLING_OSGICONFIG); |
| } |
| |
| @Override |
| protected void onJcrRootElement(String uri, String localName, String qName, Attributes attributes) { |
| configuration = Configurations.newConfiguration(); |
| |
| for (int i = 0; i < attributes.getLength(); i++) { |
| String attributeQName = attributes.getQName(i); |
| |
| // ignore jcr: and similar properties |
| if (attributeQName.indexOf(':') == -1) { |
| String attributeValue = attributes.getValue(i); |
| if (isValid(attributeValue)) { |
| DocViewProperty property = DocViewProperty.parse(attributeQName, attributeValue); |
| Object[] values = getValues(property); |
| if (values.length == 0) { |
| // ignore empty values (either property.values were empty or value mapping resulted in null |
| // results that got filtered) |
| continue; |
| } |
| if (!property.isMulti) { |
| // first element to be used in case of single-value property |
| configuration.put(attributeQName, values[0]); |
| } else { |
| configuration.put(attributeQName, values); |
| } |
| } |
| } |
| } |
| } |
| |
| private static boolean isValid(@Nullable String s) { |
| return !(s == null || s.isEmpty()); |
| } |
| |
| @NotNull |
| private static Object[] getValues(@NotNull DocViewProperty property) { |
| Object[] values; |
| switch (property.type) { |
| case PropertyType.DATE: |
| // Date was never properly supported as osgi configs don't support dates so converting to millis |
| // Scenario should just be theoretical |
| values = mapValues(property.values, s -> { |
| Calendar cal = ISO8601.parse(s); |
| return (cal != null) ? cal.getTimeInMillis() : null; |
| }); |
| break; |
| case PropertyType.DOUBLE: |
| values = mapValues(property.values, Double::parseDouble); |
| break; |
| case PropertyType.LONG: |
| values = mapValues(property.values, Long::parseLong); |
| break; |
| case PropertyType.BOOLEAN: |
| values = mapValues(property.values, Boolean::valueOf); |
| break; |
| default: |
| values = property.values; |
| } |
| return values; |
| } |
| |
| @NotNull |
| private static Object[] mapValues(@NotNull String[] strValues, Function<String, Object> function) { |
| return Arrays.stream(strValues).filter(JcrConfigurationParser::isValid).map(function).filter(Objects::nonNull).toArray(); |
| } |
| |
| @Override |
| protected @NotNull Dictionary<String, Object> getParsingResult() { |
| return configuration; |
| } |
| } |
| |
| } |