/*
* Copyright 2009 Google Inc.
*
* Licensed 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 com.google.test.metric;
import com.google.classpath.ClassPath;
import com.google.classpath.RegExpResourceFilter;
import static com.google.classpath.RegExpResourceFilter.ANY;
import static com.google.classpath.RegExpResourceFilter.ENDS_WITH_CLASS;
import com.google.inject.Inject;
import com.google.test.metric.ConfigModule.Error;
import com.google.test.metric.report.ReportGenerator;
import com.google.test.metric.report.issues.IssuesReporter;
import java.io.IOException;
import java.io.PrintStream;
import static java.util.Arrays.asList;
import java.util.List;
import java.util.SortedSet;
import java.util.TreeSet;
/**
* Has the responsibility of kicking off the analysis. A programmatic interface into using
* Testability Explorer.
*
* @author Jonathan Andrew Wolter <jaw@jawspeak.com>
*/
public class JavaTestabilityRunner implements Runnable {
private final ReportGenerator report;
private final ClassPath classPath;
private final ClassRepository classRepository;
private final MetricComputer computer;
private final List<String> entryList;
private final WhiteList whiteList;
private final PrintStream err;
@Inject
public JavaTestabilityRunner(ReportGenerator report,
ClassPath classPath, ClassRepository classRepository,
MetricComputer computer, List<String> entryList,
WhiteList whiteList, @Error PrintStream err) {
this.report = report;
this.classPath = classPath;
this.classRepository = classRepository;
this.computer = computer;
this.entryList = entryList;
this.whiteList = whiteList;
this.err = err;
}
public AnalysisModel generateModel(IssuesReporter issuesReporter) {
SortedSet<String> classNames = new TreeSet<String>();
RegExpResourceFilter resourceFilter = new RegExpResourceFilter(ANY, ENDS_WITH_CLASS);
AnalysisModel model = new AnalysisModel(issuesReporter);
for (String entry : entryList) {
if (entry.equals(".")) {
entry = "";
}
// TODO(jonathan) seems too complicated, replacing "." with "/" using the resource filter, then right below replace all "/" with "."
classNames.addAll(asList(classPath.findResources(entry.replace(".", "/"), resourceFilter)));
}
for (String resource : classNames) {
String className = resource.replace(".class", "").replace("/", ".").replace('$', '.');
try {
if (!whiteList.isClassWhiteListed(className)) {
ClassInfo clazz = classRepository.getClass(className);
ClassCost classCost = computer.compute(clazz);
model.addClassCost(classCost);
}
} catch (ClassNotFoundException e) {
err.println("WARNING: can not analyze class '" + className
+ "' since class '" + e.getClassName() + "' was not found. Chain: " + e.getMessage());
}
}
return model;
}
public void renderReport(AnalysisModel model) {
try {
report.printHeader();
for (ClassCost classCost : model.getClassCosts()) {
report.addClassCost(classCost);
}
report.printFooter();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public void run() {
renderReport(generateModel(null));
}
}