MidiDeviceScanner.java

package com.github.dakusui.symfonion.utils.midi;

import java.io.PrintStream;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiDevice.Info;

public abstract class MidiDeviceScanner {
  static abstract class RegexMidiDeviceScanner extends MidiDeviceScanner {

    private final Pattern regex;

    public RegexMidiDeviceScanner(PrintStream ps, Pattern regex) {
      super(ps);
      this.regex = regex;
    }

    @Override
    protected void start(Info[] allDevices) {
      PrintStream ps = getPrintStream();
      ps.println("     " + getTitle());
      //ps.printf("  io %s%n", MidiUtils.formatMidiDeviceInfo(null));
      ps.println("--------------------------------------------------------------------------------");
    }

    protected abstract String getTitle();

    @Override
    protected boolean matches(Info device) {
      Matcher m = regex.matcher(device.getName());
      return m.find();
    }

    @Override
    protected void matched(Info device) {
      String i = MidiUtils.isMidiDeviceForInput(device) ? "I" : " ";
      String o = MidiUtils.isMidiDeviceForOutput(device) ? "O" : " ";
      getPrintStream().printf("* %1s%1s %s%n", i, o, MidiUtils.formatMidiDeviceInfo(device));
    }

    @Override
    protected void scanned(Info device) {
    }

    @Override
    protected void end(Info[] matchedDevices) {
    }

    @Override
    protected void didntMatch(Info device) {
      String i = MidiUtils.isMidiDeviceForInput(device) ? "I" : " ";
      String o = MidiUtils.isMidiDeviceForOutput(device) ? "O" : " ";
      getPrintStream().printf("  %1s%1s %s%n", i, o, MidiUtils.formatMidiDeviceInfo(device));
    }
  }

  private final PrintStream ps;
  private MidiDevice.Info[] matchedDevices = null;
  protected abstract void start(MidiDevice.Info[] allDevices);

  protected abstract boolean matches(MidiDevice.Info device);

  protected abstract void matched(MidiDevice.Info device);

  protected abstract void scanned(Info device);

  protected abstract void end(MidiDevice.Info[] matchedDevices);

  public MidiDeviceScanner(PrintStream ps) {
    this.ps = ps;
  }

  public void scan() {
    List<MidiDevice.Info> matched = new LinkedList<>();
    MidiDevice.Info[] allDevices = MidiSystem.getMidiDeviceInfo();

    start(allDevices);
    for (MidiDevice.Info cur : allDevices) {
      if (matches(cur)) {
        matched(cur);
        matched.add(cur);
      } else {
        didntMatch(cur);
      }
      scanned(cur);
    }
    end(matchedDevices = matched.toArray(new MidiDevice.Info[0]));
  }


  protected abstract void didntMatch(MidiDevice.Info info);

  public PrintStream getPrintStream() {
    return this.ps;
  }


  public MidiDevice.Info[] getMatchedDevices() {
    return this.matchedDevices;
  }
}

















Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NULL_RETURNS
PRIMITIVE_RETURNS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

Report generated by PIT 1.15.3

1		package com.github.dakusui.symfonion.utils.midi;
2
3		import java.io.PrintStream;
4		import java.util.LinkedList;
5		import java.util.List;
6		import java.util.regex.Matcher;
7		import java.util.regex.Pattern;
8
9		import javax.sound.midi.MidiDevice;
10		import javax.sound.midi.MidiSystem;
11		import javax.sound.midi.MidiDevice.Info;
12
13		public abstract class MidiDeviceScanner {
14		static abstract class RegexMidiDeviceScanner extends MidiDeviceScanner {
15
16		private final Pattern regex;
17
18		public RegexMidiDeviceScanner(PrintStream ps, Pattern regex) {
19		super(ps);
20		this.regex = regex;
21		}
22
23		@Override
24		protected void start(Info[] allDevices) {
25		PrintStream ps = getPrintStream();
26	1 1. start : removed call to java/io/PrintStream::println → NO_COVERAGE	ps.println(" " + getTitle());
27		//ps.printf(" io %s%n", MidiUtils.formatMidiDeviceInfo(null));
28	1 1. start : removed call to java/io/PrintStream::println → NO_COVERAGE	ps.println("--------------------------------------------------------------------------------");
29		}
30
31		protected abstract String getTitle();
32
33		@Override
34		protected boolean matches(Info device) {
35		Matcher m = regex.matcher(device.getName());
36	2 1. matches : replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner$RegexMidiDeviceScanner::matches → NO_COVERAGE 2. matches : replaced boolean return with false for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner$RegexMidiDeviceScanner::matches → NO_COVERAGE	return m.find();
37		}
38
39		@Override
40		protected void matched(Info device) {
41	1 1. matched : negated conditional → NO_COVERAGE	String i = MidiUtils.isMidiDeviceForInput(device) ? "I" : " ";
42	1 1. matched : negated conditional → NO_COVERAGE	String o = MidiUtils.isMidiDeviceForOutput(device) ? "O" : " ";
43		getPrintStream().printf("* %1s%1s %s%n", i, o, MidiUtils.formatMidiDeviceInfo(device));
44		}
45
46		@Override
47		protected void scanned(Info device) {
48		}
49
50		@Override
51		protected void end(Info[] matchedDevices) {
52		}
53
54		@Override
55		protected void didntMatch(Info device) {
56	1 1. didntMatch : negated conditional → NO_COVERAGE	String i = MidiUtils.isMidiDeviceForInput(device) ? "I" : " ";
57	1 1. didntMatch : negated conditional → NO_COVERAGE	String o = MidiUtils.isMidiDeviceForOutput(device) ? "O" : " ";
58		getPrintStream().printf(" %1s%1s %s%n", i, o, MidiUtils.formatMidiDeviceInfo(device));
59		}
60		}
61
62		private final PrintStream ps;
63		private MidiDevice.Info[] matchedDevices = null;
64		protected abstract void start(MidiDevice.Info[] allDevices);
65
66		protected abstract boolean matches(MidiDevice.Info device);
67
68		protected abstract void matched(MidiDevice.Info device);
69
70		protected abstract void scanned(Info device);
71
72		protected abstract void end(MidiDevice.Info[] matchedDevices);
73
74		public MidiDeviceScanner(PrintStream ps) {
75		this.ps = ps;
76		}
77
78		public void scan() {
79		List<MidiDevice.Info> matched = new LinkedList<>();
80		MidiDevice.Info[] allDevices = MidiSystem.getMidiDeviceInfo();
81
82	1 1. scan : removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::start → NO_COVERAGE	start(allDevices);
83		for (MidiDevice.Info cur : allDevices) {
84	1 1. scan : negated conditional → NO_COVERAGE	if (matches(cur)) {
85	1 1. scan : removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::matched → NO_COVERAGE	matched(cur);
86		matched.add(cur);
87		} else {
88	1 1. scan : removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::didntMatch → NO_COVERAGE	didntMatch(cur);
89		}
90	1 1. scan : removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::scanned → NO_COVERAGE	scanned(cur);
91		}
92	1 1. scan : removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::end → NO_COVERAGE	end(matchedDevices = matched.toArray(new MidiDevice.Info[0]));
93		}
94
95
96		protected abstract void didntMatch(MidiDevice.Info info);
97
98		public PrintStream getPrintStream() {
99	1 1. getPrintStream : replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::getPrintStream → NO_COVERAGE	return this.ps;
100		}
101
102
103		public MidiDevice.Info[] getMatchedDevices() {
104	1 1. getMatchedDevices : replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::getMatchedDevices → NO_COVERAGE	return this.matchedDevices;
105		}
106		}
		Mutations
26		1.1 Location : start Killed by : none removed call to java/io/PrintStream::println → NO_COVERAGE
28		1.1 Location : start Killed by : none removed call to java/io/PrintStream::println → NO_COVERAGE
36		1.1 Location : matches Killed by : none replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner$RegexMidiDeviceScanner::matches → NO_COVERAGE 2.2 Location : matches Killed by : none replaced boolean return with false for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner$RegexMidiDeviceScanner::matches → NO_COVERAGE
41		1.1 Location : matched Killed by : none negated conditional → NO_COVERAGE
42		1.1 Location : matched Killed by : none negated conditional → NO_COVERAGE
56		1.1 Location : didntMatch Killed by : none negated conditional → NO_COVERAGE
57		1.1 Location : didntMatch Killed by : none negated conditional → NO_COVERAGE
82		1.1 Location : scan Killed by : none removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::start → NO_COVERAGE
84		1.1 Location : scan Killed by : none negated conditional → NO_COVERAGE
85		1.1 Location : scan Killed by : none removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::matched → NO_COVERAGE
88		1.1 Location : scan Killed by : none removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::didntMatch → NO_COVERAGE
90		1.1 Location : scan Killed by : none removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::scanned → NO_COVERAGE
92		1.1 Location : scan Killed by : none removed call to com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::end → NO_COVERAGE
99		1.1 Location : getPrintStream Killed by : none replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::getPrintStream → NO_COVERAGE
104		1.1 Location : getMatchedDevices Killed by : none replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiDeviceScanner::getMatchedDevices → NO_COVERAGE

MidiDeviceScanner.java

Mutations

Active mutators

Tests examined