SpringAnalysis rewritten on kotlin

Author: tepa46

utbot-spring-analyzer/src/main/java/analyzers/PropertiesAnalyzer.java

@@ -0,0 +1,24 @@
+package analyzers
+
+import java.io.BufferedReader
+import java.io.FileReader
+import java.io.IOException
+
+class PropertiesAnalyzer(private val propertiesFilePath: String) {
+
+    @Throws(IOException::class)
+    fun readProperties(): ArrayList<String> {
+        val props = ArrayList<String>()
+
+        val reader = BufferedReader(FileReader(propertiesFilePath))
+        var line = reader.readLine()
+        while (line != null) {
+            props.add(line)
+            line = reader.readLine()
+        }
+
+        reader.close()
+
+        return props
+    }
+}

utbot-spring-analyzer/src/main/java/analyzers/XmlConfigurationAnalyzer.java

@@ -0,0 +1,51 @@
+package analyzers
+
+import org.w3c.dom.Document
+import org.w3c.dom.Element
+import utils.ResourceNames
+import javax.xml.parsers.DocumentBuilderFactory
+import javax.xml.transform.Result
+import javax.xml.transform.Source
+import javax.xml.transform.TransformerException
+import javax.xml.transform.TransformerFactory
+import javax.xml.transform.dom.DOMSource
+import javax.xml.transform.stream.StreamResult
+
+class XmlConfigurationAnalyzer(private val userXmlFilePath: String) {
+    private val fakeXmlFilePath = this.javaClass.classLoader.getResource(ResourceNames.fakeApplicationXmlFileName)?.path
+        ?: error("The path must exist")
+
+    @Throws(Exception::class)
+    fun fillFakeApplicationXml() {
+        val builder = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+        val doc = builder.parse(userXmlFilePath)
+
+        // Property placeholders may contain file names relative to user project,
+        // they will not be found in ours. We import all properties using another approach.
+        deletePropertyPlaceholders(doc)
+        writeXmlFile(doc)
+    }
+
+    private fun deletePropertyPlaceholders(doc: Document) {
+        val elements = doc.getElementsByTagName("context:property-placeholder")
+        val elementsCount = elements.length
+
+        // Xml file may contain several property placeholders:
+        // see https://stackoverflow.com/questions/26618400/how-to-use-multiple-property-placeholder-in-a-spring-xml-file
+        for (i in 0 until elementsCount) {
+            val element = elements.item(i) as Element
+            element.parentNode.removeChild(element)
+        }
+
+        doc.normalize()
+    }
+
+    @Throws(TransformerException::class)
+    private fun writeXmlFile(doc: Document) {
+        val tFormer = TransformerFactory.newInstance().newTransformer()
+        val source: Source = DOMSource(doc)
+        val dest: Result = StreamResult(fakeXmlFilePath)
+
+        tFormer.transform(source, dest)
+    }
+}