content: /*******************************************************************************
   * 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.FileInputStream;
  import java.io.IOException;
  import java.io.PrintStream;
  import java.util.Date;
  
  import org.jacoco.core.data.ExecutionData;
  import org.jacoco.core.data.ExecutionDataReader;
  import org.jacoco.core.data.IExecutionDataVisitor;
  import org.jacoco.core.data.ISessionInfoVisitor;
  import org.jacoco.core.data.SessionInfo;
  
  /**
   * This example reads execution data files given as program arguments and dumps
   * their content.
   */
  public final class ExecDump {
  
  	private final PrintStream out;
  
  	/**
  	 * Creates a new example instance printing to the given stream.
  	 * 
  	 * @param out
  	 *            stream for outputs
  	 */
  	public ExecDump(final PrintStream out) {
  		this.out = out;
  	}
  
  	/**
  	 * 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) {
  			dump(file);
  		}
  	}
  
  	private void dump(final String file) throws IOException {
  		out.printf("exec file: %s%n", file);
  		out.println("CLASS ID         HITS/PROBES   CLASS NAME");
  
  		final FileInputStream in = new FileInputStream(file);
  		final ExecutionDataReader reader = new ExecutionDataReader(in);
  		reader.setSessionInfoVisitor(new ISessionInfoVisitor() {
  			public void visitSessionInfo(final SessionInfo info) {
  				out.printf("Session \"%s\": %s - %s%n", info.getId(), new Date(
  						info.getStartTimeStamp()),
  						new Date(info.getDumpTimeStamp()));
  			}
  		});
  		reader.setExecutionDataVisitor(new IExecutionDataVisitor() {
  			public void visitClassExecution(final ExecutionData data) {
  				out.printf("%016x  %3d of %3d   %s%n",
  						Long.valueOf(data.getId()),
  						Integer.valueOf(getHitCount(data.getProbes())),
  						Integer.valueOf(data.getProbes().length),
  						data.getName());
  			}
  		});
  		reader.read();
  		in.close();
  		out.println();
  	}
  
  	private int getHitCount(final boolean[] data) {
  		int count = 0;
  		for (final boolean hit : data) {
  			if (hit) {
  				count++;
  			}
  		}
  		return count;
  	}
  
  	/**
  	 * 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 ExecDump(System.out).execute(args);
  	}
  }
  