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/*******************************************************************************
* Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.cli.internal.commands;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.jacoco.cli.internal.Command;
import org.jacoco.core.analysis.Analyzer;
import org.jacoco.core.analysis.IClassCoverage;
import org.jacoco.core.analysis.ICounter;
import org.jacoco.core.analysis.ICoverageNode;
import org.jacoco.core.analysis.ICoverageVisitor;
import org.jacoco.core.analysis.ILine;
import org.jacoco.core.analysis.IMethodCoverage;
import org.jacoco.core.data.ExecutionDataStore;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
/**
* The <code>classinfo</code> command.
*/
public class ClassInfo extends Command {
@Argument(usage = "location of Java class files", metaVar = "<classlocations>")
List<File> classfiles = new ArrayList<File>();
@Option(name = "--verbose", usage = "show method and line number details")
boolean verbose = false;
@Override
public String description() {
return "Print information about Java class files at the provided location.";
}
@Override
public int execute(final PrintWriter out, final PrintWriter err)
throws IOException {
if (classfiles.isEmpty()) {
out.println("[WARN] No class files provided.");
} else {
final Analyzer analyzer = new Analyzer(new ExecutionDataStore(),
new Printer(out));
for (final File file : classfiles) {
analyzer.analyzeAll(file);
}
}
return 0;
}
private class Printer implements ICoverageVisitor {
private final PrintWriter out;
Printer(final PrintWriter out) {
this.out = out;
out.println(" INST BRAN LINE METH CXTY ELEMENT");
}
public void visitCoverage(final IClassCoverage coverage) {
final String desc = String.format("class 0x%016x %s",
Long.valueOf(coverage.getId()), coverage.getName());
printDetails(desc, coverage);
if (verbose) {
for (final Iterator<IMethodCoverage> i = coverage.getMethods()
.iterator(); i.hasNext();) {
printMethod(i.next(), i.hasNext());
}
}
}
private void printMethod(final IMethodCoverage method,
final boolean more) {
final String desc = String.format("+- method %s%s",
method.getName(), method.getDesc());
printDetails(desc, method);
for (int nr = method.getFirstLine(); nr <= method
.getLastLine(); nr++) {
printLine(method.getLine(nr), nr, more ? "| " : " ");
}
}
private void printLine(final ILine line, final int nr,
final String indent) {
if (line.getStatus() != ICounter.EMPTY) {
out.printf("%6s %6s %s +- line %s%n",
total(line.getInstructionCounter()),
total(line.getBranchCounter()), indent,
Integer.valueOf(nr));
}
}
private void printDetails(final String description,
final ICoverageNode coverage) {
out.printf("%6s %6s %6s %6s %6s %s%n",
total(coverage.getInstructionCounter()),
total(coverage.getBranchCounter()),
total(coverage.getLineCounter()),
total(coverage.getMethodCounter()),
total(coverage.getComplexityCounter()), description);
}
private String total(final ICounter counter) {
return String.valueOf(counter.getTotalCount());
}
}
}
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