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/*
* Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*
*/
package bench;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Date;
import java.util.Properties;
/**
* Benchmark text report generator.
*/
public class TextReporter implements Reporter {
static final int PRECISION = 3;
static final int INDEX_WIDTH = 3;
static final int NAME_WIDTH = 30;
static final int TIME_WIDTH = 10;
static final int SCORE_WIDTH = 10;
static final int PROPNAME_WIDTH = 25;
static final String[] PROPNAMES = { "os.name", "os.arch", "os.version",
"java.home", "java.vm.version", "java.vm.vendor", "java.vm.name",
"java.compiler", "java.class.path" };
OutputStream out;
String title;
/**
* Create TextReporter which writes to the given stream.
*/
public TextReporter(OutputStream out, String title) {
this.out = out;
this.title = title;
}
/**
* Generate text report.
*/
public void writeReport(BenchInfo[] binfo, Properties props)
throws IOException
{
PrintStream p = new PrintStream(out);
float total = 0.0f;
p.println("\n" + title);
p.println(pad('-', title.length()));
p.println("");
for (int i = 0; i < PROPNAMES.length; i++) {
p.println(fit(PROPNAMES[i] + ":", PROPNAME_WIDTH) +
props.getProperty(PROPNAMES[i]));
}
p.println("");
p.println(fit("#", INDEX_WIDTH) + " " +
fit("Benchmark Name", NAME_WIDTH) + " " +
fit("Time (ms)", TIME_WIDTH) + " " +
fit("Score", SCORE_WIDTH));
p.println(pad('-', INDEX_WIDTH + NAME_WIDTH + TIME_WIDTH +
SCORE_WIDTH + 6));
for (int i = 0; i < binfo.length; i++) {
BenchInfo b = binfo[i];
p.print(fit(Integer.toString(i), INDEX_WIDTH) + " ");
p.print(fit(b.getName(), NAME_WIDTH) + " ");
if (b.getTime() != -1) {
float score = b.getTime() * b.getWeight();
total += score;
p.print(fit(Long.toString(b.getTime()), TIME_WIDTH) + " ");
p.println(fit(Util.floatToString(score, PRECISION),
SCORE_WIDTH));
}
else {
p.print(fit("--", TIME_WIDTH) + " ");
p.println(fit("--", SCORE_WIDTH));
}
}
p.println(pad('-', INDEX_WIDTH + NAME_WIDTH + TIME_WIDTH +
SCORE_WIDTH + 6));
p.println(fit("Total score", INDEX_WIDTH + NAME_WIDTH + TIME_WIDTH +
4) + " " + Util.floatToString(total, PRECISION));
p.println("");
p.println("-----");
p.println("Report generated on " + new Date() + "\n");
p.println("");
}
/**
* Extend or truncate string so it fits in the given space.
*/
private static String fit(String s, int len) {
int slen = s.length();
StringBuffer buf = new StringBuffer(s);
buf.setLength(len);
for (int i = slen; i < len; i++)
buf.setCharAt(i, ' ');
return buf.toString();
}
/**
* Return string with given number of chars.
*/
private static String pad(char c, int len) {
char[] buf = new char[len];
Arrays.fill(buf, c);
return new String(buf);
}
}
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