com.github.tcnh.fitnesse.responders.AutoCompleteResponder Maven / Gradle / Ivy
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Returns context-aware json with fixture methods, scenario's and slim symbols in scope
package com.github.tcnh.fitnesse.responders;
import com.github.tcnh.fitnesse.responders.util.ClassFinder;
import fitnesse.FitNesseContext;
import fitnesse.http.Request;
import fitnesse.http.Response;
import fitnesse.http.SimpleResponse;
import fitnesse.responders.WikiPageResponder;
import fitnesse.testrunner.WikiTestPage;
import fitnesse.testsystems.ClassPath;
import fitnesse.testsystems.slim.HtmlTableScanner;
import fitnesse.testsystems.slim.Table;
import fitnesse.testsystems.slim.TableScanner;
import fitnesse.wiki.WikiPage;
import java.io.File;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Responder for use with autocomplete javascript.
* Adds testrunner classpaths to classloader, finds all classes that are imported and lists scenario's available
* Returns JSON containing all classes for the requested page with their public methods, including parameters (types) using reflection
* Also returns any scenario's on the testPage with their paramaters (names)
*/
public class AutoCompleteResponder extends WikiPageResponder {
private JSONObject json = new JSONObject();
private JSONArray classes = new JSONArray();
private JSONArray scenarios = new JSONArray();
private Set packages = new HashSet<>();
private JSONArray variables = new JSONArray();
private WikiPage page;
private FitNesseContext context;
private URLClassLoader classLoader;
@Override
public Response makeResponse(FitNesseContext pagecontext, Request request) throws Exception {
context = pagecontext;
page = loadPage(context, request.getResource(), request.getMap());
setClassPathsForPage();
getAutoCompleteDataFromPage();
SimpleResponse response = new SimpleResponse();
response.setMaxAge(0);
response.setStatus(200);
response.setContentType("application/json");
response.setContent(json.toString(3));
return response;
}
private void getAutoCompleteDataFromPage() {
TableScanner scanner = new HtmlTableScanner(makeHtml(context, page));
for (int i = 0; i < scanner.getTableCount(); i++) {
Table t = scanner.getTable(i);
switch (t.getCellContents(0, 0).toLowerCase()) {
case "import":
addPackage(t);
break;
case "scenario":
case "table template":
addScenario(t);
break;
default:
//Skip!
break;
}
}
addClassesToAutocompleteList();
getVariablesInScope();
json.put("classes", classes);
json.put("scenarios", scenarios);
json.put("variables", variables);
}
private void getVariablesInScope() {
String html = makeHtml(context, page);
Matcher m = Pattern.compile("(\\$[^\\s]+)=").matcher(html);
while (m.find()) {
variables.put(m.group(1));
}
}
private void addClassesToAutocompleteList() {
for (String pkg : packages) {
Set classList = new HashSet<>();
try {
classList.addAll(ClassFinder.getClasses(pkg, false, classLoader));
} catch (Exception e) {
System.err.println("Exception for package: " + pkg + " - " + e.getMessage());
}
for (Class klass : classList) {
JSONObject thisClass = new JSONObject();
thisClass.put("qualifiedName", klass.getName());
thisClass.put("readableName", splitCamelCase(klass.getSimpleName()));
thisClass.put("availableMethods", getMethods(klass));
classes.put(thisClass);
}
}
}
private JSONArray getMethods(Class klass) {
JSONArray cMethods = new JSONArray();
try {
Method[] methods = klass.getMethods();
for (Method method : methods) {
String readableMethodName = splitCamelCase(method.getName());
StringBuilder insertText = new StringBuilder();
JSONObject thisMethod = new JSONObject();
thisMethod.put("name", readableMethodName);
Class[] parameters = method.getParameterTypes();
int numberOfParams = parameters.length;
if (numberOfParams > 0) {
JSONArray params = new JSONArray();
for (Class param : parameters) {
params.put(param.getSimpleName());
}
thisMethod.put("parameters", params);
}
String[] methodNameParts = readableMethodName.split(" ");
int numberOfParts = methodNameParts.length;
if (numberOfParams > numberOfParts) {
insertText.append(readableMethodName)
.append(" | ");
for (Class param : parameters) {
insertText.append(param.getSimpleName())
.append(", ");
}
insertText.append(" |");
} else {
int totalCells = numberOfParts + numberOfParams;
List paramPositions = new ArrayList<>();
int paramPosition = totalCells - 1;
int n = 0;
while (n < numberOfParams) {
paramPositions.add(paramPosition);
paramPosition -= 2;
n++;
}
int prm = 0;
for (int p = 0; p < totalCells; p++) {
if (!paramPositions.contains(p)) {
insertText.append(methodNameParts[p - prm])
.append(" ");
} else {
insertText.append("| ")
.append(parameters[prm].getSimpleName())
.append(" | ");
prm++;
}
}
if (numberOfParams == 0) {
insertText.append("|");
}
}
thisMethod.put("wikiText", insertText.toString());
cMethods.put(thisMethod);
}
} catch (NoClassDefFoundError err) {
//intentionally ignore classes that cannot be found
}
return cMethods;
}
private void addPackage(Table t) {
for (int row = 1; row < t.getRowCount(); row++) {
packages.add(t.getCellContents(0, row));
}
}
private void addScenario(Table t) {
StringBuilder scenarioName = new StringBuilder();
StringBuilder insertText = new StringBuilder("|");
JSONObject thisScenario = new JSONObject();
JSONArray parameters = new JSONArray();
for (int col = 1; col < t.getColumnCountInRow(0); col++) {
insertText.append(" ")
.append(t.getCellContents(col, 0))
.append(" |");
if ((col % 2) != 0) {
scenarioName.append(t.getCellContents(col, 0))
.append(" ");
} else {
parameters.put(t.getCellContents(col, 0));
}
}
thisScenario.put("name", scenarioName.toString());
thisScenario.put("wikiText", insertText.substring(2));
thisScenario.put("insertText", insertText.toString());
thisScenario.put("parameters", parameters);
thisScenario.put("html", tableToHtml(t));
scenarios.put(thisScenario);
}
private String tableToHtml(Table t) {
int numRows = t.getRowCount();
int maxCols = 0;
StringBuilder html = new StringBuilder("");
for (int row = 0; row < numRows; row++) {
int rowCols = t.getColumnCountInRow(row);
if (rowCols > maxCols) {
maxCols = rowCols;
}
}
for (int row = 0; row < numRows; row++) {
int rowCols = t.getColumnCountInRow(row);
int lastCol = rowCols - 1;
html.append("");
for (int col = 0; col < rowCols; col++) {
if (col == lastCol && col < (maxCols - 1)) {
html.append("")
.append(t.getCellContents(col, row))
.append(" ");
} else {
html.append("")
.append(t.getCellContents(col, row)
).append(" ");
}
}
html.append(" ");
}
html.append("
");
return html.toString();
}
private void setClassPathsForPage() {
WikiTestPage testPage = new WikiTestPage(page);
ClassPath classPath = testPage.getClassPath();
URL[] urls = new URL[classPath.getElements().size()];
int i = 0;
for (String path : classPath.getElements()) {
File classPathItem = new File(path);
try {
urls[i] = classPathItem.toURI().toURL();
} catch (MalformedURLException e) {
//this shouldn't happen!
e.printStackTrace();
}
i++;
}
addToClassPath(urls);
}
private void addToClassPath(URL[] urls) {
try {
classLoader = new URLClassLoader(urls, ClassLoader.getSystemClassLoader());
} catch (Exception ex) {
ex.printStackTrace();
}
}
private static String splitCamelCase(String s) {
return s.replaceAll(
String.format("%s|%s|%s",
"(?<=[A-Z])(?=[A-Z][a-z])",
"(?<=[^A-Z])(?=[A-Z])",
"(?<=[A-Za-z])(?=[^A-Za-z])"
),
" "
).toLowerCase();
}
}
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