| /* |
| * 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.karaf.log.core.internal; |
| |
| import org.junit.Test; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| |
| import javax.xml.transform.OutputKeys; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.dom.DOMSource; |
| import javax.xml.transform.stream.StreamResult; |
| import java.io.ByteArrayInputStream; |
| import java.io.StringWriter; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class LogServiceLog4j2XmlImplTest { |
| |
| @Test |
| public void testInsertIndentedTabs() throws Exception { |
| String xml = "<Configuration>\n" + |
| "\t<Loggers>\n" + |
| "\t</Loggers>\n" + |
| "</Configuration>"; |
| |
| String out = insertIndented(xml, false); |
| assertEquals( |
| "<Configuration>\n" + |
| "\t<Loggers>\n" + |
| "\t\t<Logger/>\n" + |
| "\t</Loggers>\n" + |
| "</Configuration>", out); |
| out = insertIndented(xml, true); |
| assertEquals( |
| "<Configuration>\n" + |
| "\t<Loggers>\n" + |
| "\t\t<Logger/>\n" + |
| "\t</Loggers>\n" + |
| "</Configuration>", out); |
| } |
| |
| @Test |
| public void testInsertIndentedSpaces() throws Exception { |
| String xml = "<Configuration>\n" + |
| " <Loggers>\n" + |
| " </Loggers>\n" + |
| "</Configuration>"; |
| |
| String out = insertIndented(xml, false); |
| assertEquals( |
| "<Configuration>\n" + |
| " <Loggers>\n" + |
| " <Logger/>\n" + |
| " </Loggers>\n" + |
| "</Configuration>", out); |
| out = insertIndented(xml, true); |
| assertEquals( |
| "<Configuration>\n" + |
| " <Loggers>\n" + |
| " <Logger/>\n" + |
| " </Loggers>\n" + |
| "</Configuration>", out); |
| } |
| |
| @Test |
| public void testInsertIndentedTabsWithRoot() throws Exception { |
| String xml = "<Configuration>\n" + |
| "\t<Loggers>\n" + |
| "\t\t<Root/>\n" + |
| "\t</Loggers>\n" + |
| "</Configuration>"; |
| |
| String out = insertIndented(xml, false); |
| assertEquals( |
| "<Configuration>\n" + |
| "\t<Loggers>\n" + |
| "\t\t<Root/>\n" + |
| "\t\t<Logger/>\n" + |
| "\t</Loggers>\n" + |
| "</Configuration>", out); |
| out = insertIndented(xml, true); |
| assertEquals( |
| "<Configuration>\n" + |
| "\t<Loggers>\n" + |
| "\t\t<Logger/>\n" + |
| "\t\t<Root/>\n" + |
| "\t</Loggers>\n" + |
| "</Configuration>", out); |
| } |
| |
| @Test |
| public void testInsertIndentedSpacesWithRoot() throws Exception { |
| String xml = "<Configuration>\n" + |
| " <Loggers>\n" + |
| " <Root/>\n" + |
| " </Loggers>\n" + |
| "</Configuration>"; |
| |
| String out = insertIndented(xml, false); |
| assertEquals( |
| "<Configuration>\n" + |
| " <Loggers>\n" + |
| " <Root/>\n" + |
| " <Logger/>\n" + |
| " </Loggers>\n" + |
| "</Configuration>", out); |
| out = insertIndented(xml, true); |
| assertEquals( |
| "<Configuration>\n" + |
| " <Loggers>\n" + |
| " <Logger/>\n" + |
| " <Root/>\n" + |
| " </Loggers>\n" + |
| "</Configuration>", out); |
| } |
| |
| private String insertIndented(String xml, boolean atBeginning) throws Exception { |
| Document doc = LogServiceLog4j2XmlImpl.loadConfig(null, new ByteArrayInputStream(xml.getBytes())); |
| Element element = doc.createElement("Logger"); |
| LogServiceLog4j2XmlImpl.insertIndented( |
| (Element) doc.getDocumentElement().getElementsByTagName("Loggers").item(0), |
| element, |
| atBeginning); |
| try (StringWriter os = new StringWriter()) { |
| TransformerFactory tFactory = TransformerFactory.newInstance(); |
| Transformer transformer = tFactory.newTransformer(); |
| transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes"); |
| transformer.transform(new DOMSource(doc, "the.xml"), new StreamResult(os)); |
| return os.toString(); |
| } |
| } |
| } |