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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.examples;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import org.jacoco.core.analysis.Analyzer;
import org.jacoco.core.analysis.IClassCoverage;
import org.jacoco.core.analysis.ICoverageVisitor;
import org.jacoco.core.data.ExecutionDataStore;
/**
* This example reads Java class files, directories or JARs given as program
* arguments and dumps information about the classes.
*/
public final class ClassInfo implements ICoverageVisitor {
private final PrintStream out;
private final Analyzer analyzer;
/**
* Creates a new example instance printing to the given stream.
*
* @param out
* stream for outputs
*/
public ClassInfo(final PrintStream out) {
this.out = out;
analyzer = new Analyzer(new ExecutionDataStore(), this);
}
/**
* Run this example with the given parameters.
*
* @param args
* command line parameters
* @throws IOException
* in case of error reading a input file
*/
public void execute(final String[] args) throws IOException {
for (final String file : args) {
analyzer.analyzeAll(new File(file));
}
}
public void visitCoverage(final IClassCoverage coverage) {
out.printf("class name: %s%n", coverage.getName());
out.printf("class id: %016x%n", Long.valueOf(coverage.getId()));
out.printf("instructions: %s%n", Integer.valueOf(coverage
.getInstructionCounter().getTotalCount()));
out.printf("branches: %s%n",
Integer.valueOf(coverage.getBranchCounter().getTotalCount()));
out.printf("lines: %s%n",
Integer.valueOf(coverage.getLineCounter().getTotalCount()));
out.printf("methods: %s%n",
Integer.valueOf(coverage.getMethodCounter().getTotalCount()));
out.printf("complexity: %s%n%n", Integer.valueOf(coverage
.getComplexityCounter().getTotalCount()));
}
/**
* Entry point to run this examples as a Java application.
*
* @param args
* list of program arguments
* @throws IOException
* in case of errors executing the example
*/
public static void main(final String[] args) throws IOException {
new ClassInfo(System.out).execute(args);
}
}
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