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CallGraphExtractor.java
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336 lines (261 loc) · 10.6 KB
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/*
* author: Regina Hebig
* created: August 2017
*/
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
public class CallGraphExtractor {
public static ArrayList<String> xmlfiles;
public static ArrayList<String> codefiles;
public static ArrayList<String> pngfiles;
public static ArrayList<String> pnginjavasearchstrings;
public static ArrayList<String> xmlinjavasearchstrings;
public static ArrayList<String> xmlinxmlsearchstrings;
public static ArrayList<String> pnginxmlsearchstrings;
//path to your working folder (determines where output is stored)
public static String startpath = ".../";
//path to your project (choose the folder that contains the java and res sub-folders)
public static String pathtoproject = startpath + "OctoPrint Original/OctoPrint_show_load_and_compile/PrinterApp/app/src/";
public static void main(String[] args) {
try{
xmlfiles = ArrayList.class.newInstance();
codefiles = ArrayList.class.newInstance();
pngfiles = ArrayList.class.newInstance();
pnginjavasearchstrings = ArrayList.class.newInstance();
xmlinjavasearchstrings = ArrayList.class.newInstance();
xmlinxmlsearchstrings = ArrayList.class.newInstance();
pnginxmlsearchstrings = ArrayList.class.newInstance();
try{
//hard-coded: path to the file containing the list of files to be analyzed
String path = startpath + "Analysis OctoPrintApp/ListOfFiles.txt";
//collect those links that are .xmi files
BufferedReader in = new BufferedReader(new FileReader(path));
String zeile = null;
while ((zeile = in.readLine()) != null) {
//System.out.println("a");
if(zeile.endsWith(".xml")){
xmlfiles.add(zeile);
}
//System.out.println("b");
if(zeile.endsWith(".java")){
codefiles.add(zeile);
}
//System.out.println("b");
if(zeile.endsWith(".png")){
pngfiles.add(zeile);
}
}
in.close();
//Create Search Strings
createXMLSearchStrings();
createPNGSearchStrings();
logGraph("digraph CallGraph {","Call");
//DO: iterate .javas and search for usage of .xmls and .pngs
Iterator<String> javafiles = codefiles.iterator();
while(javafiles.hasNext()){
String filename = javafiles.next();
analyzeJavaForCalls(filename);
// System.out.println(filename);
}
//DO: iterate .xmls and search for usages of .xmls and .pngs
Iterator<String> xmlit = xmlfiles.iterator();
while(xmlit.hasNext()){
String filename = xmlit.next();
// System.out.println(filename);
analyzeXMLForCalls(filename);
}
logGraph("}","Call");
}catch(Exception e){System.out.println("Excpetion 1 : " + e);}
}catch(InstantiationException e1) {
e1.printStackTrace();
}catch(IllegalAccessException e1) {
e1.printStackTrace();
}
}
public static void createXMLSearchStrings(){
Iterator<String> it = xmlfiles.iterator();
while(it.hasNext()){
//"res/"
String xmlfile = it.next();
//System.out.println(xmlfile);
String[] substrings = xmlfile.split("res/"); //ToDO: check whether our string is "/" and not "\"
Integer i = substrings.length;
String target = substrings[i-1];
if (target != null){
String target1 = target.replace(".xml","");
xmlinxmlsearchstrings.add("@" + target1);
String target2 = target1.replace("/", "."); //ToDO: check whether our string is "/" and not "\"
xmlinjavasearchstrings.add("R." + target2);
//System.out.println("@" + target1);
//System.out.println("R." + target2);
}else{
System.out.println("could not create search string for " + xmlfile);
}
}
System.out.println("done with xmls");
}
public static void createPNGSearchStrings(){
Iterator<String> it = pngfiles.iterator();
while(it.hasNext()){
// /"res/" --> assumes that system is split to java folder (for java) and res folder (for xml and pngs)
String pngfile = it.next();
String[] substrings = pngfile.split("res/");
Integer i = substrings.length;
String target = substrings[i-1];
if (target != null){
String target1 = target.replace(".png","");
pnginxmlsearchstrings.add("@" + target1);
String target2 = target1.replace("/", ".");
pnginjavasearchstrings.add("R." + target2);
}else{
System.out.println("could not create search string for " + pngfile);
}
}
System.out.println("done with pngs");
}
public static String convertBackToFilepathXMLinJava(String searchstring){
String result = searchstring.replace("R.", "");
result = result.replace(".", "/"); //
return "res/" + result + ".xml";
}
public static String convertBackToFilepathPNGinJava(String searchstring){
String result = searchstring.replace("R.", "");
result = result.replace(".", "/"); //
return "res/" + result + ".png";
}
public static String convertBackToFilepathXMLinXML(String searchstring){
String result = searchstring.replace("@", "");
return "res/" + result + ".xml";
}
public static String convertBackToFilepathPNGinXML(String searchstring){
String result = searchstring.replace("@", "");
return "res/" + result + ".png";
}
public static void analyzeJavaForCalls(String filepath){
//open file
try{
String path = pathtoproject + filepath;
System.out.println(path);
BufferedReader in = new BufferedReader(new FileReader(path));
String zeile = null;
ArrayList<String> foundInFile = ArrayList.class.newInstance();
while ((zeile = in.readLine()) != null) {
System.out.println("XML in Java");
Iterator<String> tosearch = xmlinjavasearchstrings.iterator();
while(tosearch.hasNext()){
String name = tosearch.next();
if(zeile.contains(name)){
Boolean hasbeenfound = false;
Iterator<String> foundIt = foundInFile.iterator();
while(foundIt.hasNext()){
String found = foundIt.next();
if(name.equals(found)){
hasbeenfound = true;
}
}
if(!hasbeenfound){
log(filepath + " " + convertBackToFilepathXMLinJava(name), "Java_Uses_XML");
logGraph("\"" + filepath + "\"" + " -> " + "\"" + convertBackToFilepathXMLinJava(name) + "\"","Call");
foundInFile.add(name);
}
}
}
System.out.println("PNG in Java");
tosearch = pnginjavasearchstrings.iterator();
while(tosearch.hasNext()){
String name = tosearch.next();
if(zeile.contains(name)){
Boolean hasbeenfound = false;
Iterator<String> foundIt = foundInFile.iterator();
while(foundIt.hasNext()){
String found = foundIt.next();
if(name.equals(found)){
hasbeenfound = true;
}
}
if(!hasbeenfound){
log(filepath + " " + convertBackToFilepathPNGinJava(name), "Java_Uses_PNG");
logGraph("\"" + filepath + "\"" + " -> " + "\"" + convertBackToFilepathPNGinJava(name) + "\"","Call");
foundInFile.add(name);
}
}
}
}
in.close();
}catch(Exception e){System.out.println("Excpetion 2 : " + e);}
}
public static void analyzeXMLForCalls(String filepath){
//open file
try{
String path = pathtoproject + filepath;
System.out.println(path);
BufferedReader in = new BufferedReader(new FileReader(path));
String zeile = null;
ArrayList<String> foundInFile = ArrayList.class.newInstance();
while ((zeile = in.readLine()) != null) {
System.out.println("XML in XML");
Iterator<String> tosearch = xmlinxmlsearchstrings.iterator();
while(tosearch.hasNext()){
String name = tosearch.next();
if(zeile.contains(name)){
Boolean hasbeenfound = false;
Iterator<String> foundIt = foundInFile.iterator();
while(foundIt.hasNext()){
String found = foundIt.next();
if(name.equals(found)){
hasbeenfound = true;
}
}
if(!hasbeenfound){
log(filepath + " " + convertBackToFilepathXMLinXML(name), "XML_Uses_XML");
logGraph("\"" + filepath + "\"" + " -> " + "\"" + convertBackToFilepathXMLinXML(name) + "\"","Call");
foundInFile.add(name);
}
}
}
System.out.println("PNG in XML");
tosearch = pnginxmlsearchstrings.iterator();
while(tosearch.hasNext()){
String name = tosearch.next();
if(zeile.contains(name)){
Boolean hasbeenfound = false;
Iterator<String> foundIt = foundInFile.iterator();
while(foundIt.hasNext()){
String found = foundIt.next();
if(name.equals(found)){
hasbeenfound = true;
}
}
if(!hasbeenfound){
log(filepath + " " + convertBackToFilepathPNGinXML(name), "XML_Uses_PNG");
logGraph("\"" + filepath + "\"" + " -> " + "\"" + convertBackToFilepathPNGinXML(name) + "\"","Call");
foundInFile.add(name);
}
}
}
}
in.close();
}catch(Exception e){System.out.println("Excpetion 2 : " + e);}
}
/*
* Helper method to write the log files including the resulting link lists
*/
public static void log(String message, String filename) {
try{
PrintWriter out = new PrintWriter(new FileWriter(startpath + "Analysis/" +"OutputCallGraph/" + filename +".txt", true), true);
out.println(message);
out.close();
}catch(Exception e){}
}
public static void logGraph(String message, String filename) {
try{
PrintWriter out = new PrintWriter(new FileWriter(startpath + "Analysis/" +"OutputCallGraph/" + filename +"Graph.txt", true), true);
out.println(message);
out.close();
}catch(Exception e){}
}
}