\n"); } System.out.println("</body>"); } private static void printHtmlCell(String s, String color, String align) { System.out.print("<td bgcolor=\"" + color + "\" align=\"" + align + "\">" + s + "</td>"); } private static String[] toSortedArray(Enumeration e, boolean special) { Vector keylist = new Vector(); while (e.hasMoreElements()) { String key = (String)e.nextElement(); keylist.add(key); } String keys[] = new String[keylist.size()]; keylist.copyInto(keys); if (special) { sort2(keys); } else { sort(keys); } return keys; } public static void sort(String strs[]) { for (int i = 1; i < strs.length; i++) { for (int j = i; j > 0; j--) { if (strs[j].compareTo(strs[j-1]) >= 0) { break; } String tmp = strs[j-1]; strs[j-1] = strs[j]; strs[j] = tmp; } } } public static void sort2(String strs[]) { for (int i = 1; i < strs.length; i++) { for (int j = i; j > 0; j--) { if (compare(strs[j-1], strs[j])) { break; } String tmp = strs[j-1]; strs[j-1] = strs[j]; strs[j] = tmp; } } } private static int magic(String s) { if (s.endsWith("random")) { return 3; } else if (s.endsWith("photo")) { return 2; } else if (s.endsWith("vector")) { return 1; } else { return 0; } } private static boolean compare(String s1, String s2) { String sizestr1 = s1.substring(s1.indexOf('=')+1, s1.indexOf(',')); String sizestr2 = s2.substring(s2.indexOf('=')+1, s2.indexOf(',')); int size1 = Integer.parseInt(sizestr1); int size2 = Integer.parseInt(sizestr2); if (size1 == size2) { return (magic(s1) < magic(s2)); } else { return (size1 < size2); } } private static void printUsage() { System.out.println("java -cp J2DAnalyzer.jar " + IIOComparator.class.getName() + " [-wiki] <resultfile>"); } public static void main(String[] args) { if (args.length == 2) { if (args[0].equals("-wiki")) { wikiStyle = true; printIIOTable(args[1]); } else { printUsage(); } } else if (args.length == 1) { printIIOTable(args[0]); } else { printUsage(); } } }
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Java example source code file (IIOComparator.java)
The IIOComparator.java Java example source code/*
* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package j2dbench.report;
import java.io.*;
import java.text.DecimalFormat;
import java.util.*;
import j2dbench.report.J2DAnalyzer.ResultHolder;
import j2dbench.report.J2DAnalyzer.ResultSetHolder;
/**
* This simple utility generates a wiki- or html-formatted table, which
* compares the performance of various image loading routines (relative
* to the core Image I/O plugins).
*/
public class IIOComparator {
private static final DecimalFormat decimalFormat =
new DecimalFormat("0.0");
/**
* List of methods, given in the order we want them to appear in
* the printed columns.
*/
private static final String[] methodKeys = new String[] {
"IIO-Core", "IIO-Ext", "Toolkit", "JPEGCodec", "GdkPixBuf"
};
private static final Hashtable allResults = new Hashtable();
private static boolean wikiStyle;
private static void printIIOTable(String resultsFile) {
try {
J2DAnalyzer.readResults(resultsFile);
} catch (Exception e) {
System.err.println("Error reading results file: " +
e.getMessage());
return;
}
Vector results = J2DAnalyzer.results;
int numsets = results.size();
ResultSetHolder base = (ResultSetHolder)results.elementAt(0);
Enumeration basekeys = base.getKeyEnumeration();
String[] keys = toSortedArray(basekeys, false);
// build results table
for (int k = 0; k < keys.length; k++) {
String key = keys[k];
ResultHolder rh = base.getResultByKey(key);
double score = rh.getScore();
Hashtable opts = rh.getOptions();
String imgsize = (String)opts.get("imageio.opts.size");
String content = (String)opts.get("imageio.opts.content");
String testname = "size=" + imgsize + ",content=" + content;
String format = null;
String method = null;
String name = rh.getName();
if (name.equals("imageio.input.image.imageio.reader.tests.read")) {
format = (String)opts.get("imageio.input.image.imageio.opts.format");
String type = format.substring(0, format.indexOf('-'));
format = format.substring(format.indexOf('-')+1);
if (format.equals("jpeg")) {
format = "jpg";
}
method = "IIO-" + (type.equals("core") ? "Core" : "Ext");
} else if (name.equals("imageio.input.image.toolkit.tests.createImage")) {
format = (String)opts.get("imageio.input.image.toolkit.opts.format");
method = "Toolkit";
} else if (name.equals("imageio.input.image.toolkit.tests.gdkLoadImage")) {
format = (String)opts.get("imageio.input.image.toolkit.opts.format");
method = "GdkPixBuf";
} else if (name.equals("imageio.input.image.jpegcodec.tests.decodeAsBufferedImage")) {
format = "jpg";
method = "JPEGCodec";
} else {
System.err.println("skipping unrecognized key: " + name);
continue;
}
//System.out.println(format + ": " + method + " = " + score);
Hashtable fmtResults = (Hashtable)allResults.get(format);
if (fmtResults == null) {
fmtResults = new Hashtable();
allResults.put(format, fmtResults);
}
Hashtable testResults = (Hashtable)fmtResults.get(testname);
if (testResults == null) {
testResults = new Hashtable();
fmtResults.put(testname, testResults);
}
testResults.put(method, new Double(score));
}
if (wikiStyle) {
printWikiTable();
} else {
printHtmlTable();
}
}
private static void printWikiTable() {
// print a table for each format
Enumeration allKeys = allResults.keys();
while (allKeys.hasMoreElements()) {
String format = (String)allKeys.nextElement();
System.out.println("---+++ " + format.toUpperCase());
Hashtable fmtResults = (Hashtable)allResults.get(format);
Enumeration testKeys = fmtResults.keys();
String[] tests = toSortedArray(testKeys, true);
// print the column headers
Hashtable testResults = (Hashtable)fmtResults.get(tests[0]);
String[] methods = new String[testResults.keySet().size()];
for (int k = 0, i = 0; i < methodKeys.length; i++) {
if (testResults.containsKey(methodKeys[i])) {
methods[k++] = methodKeys[i];
}
}
System.out.print("| |");
for (int i = 0; i < methods.length; i++) {
System.out.print(" *" + methods[i] + "* |");
if (i > 0) {
System.out.print(" *%* |");
}
}
System.out.println("");
// print all rows in the table
for (int i = 0; i < tests.length; i++) {
String testname = tests[i];
testResults = (Hashtable)fmtResults.get(testname);
System.out.print("| " + testname + " |");
double baseres = 0.0;
for (int j = 0; j < methods.length; j++) {
Double result = (Double)testResults.get(methods[j]);
double res = result.doubleValue();
System.out.print(" " +
decimalFormat.format(res) +
" | ");
if (j == 0) {
baseres = res;
} else {
double diff = ((res - baseres) / baseres) * 100.0;
System.out.print(" "+
decimalFormat.format(diff) +
" |");
}
}
System.out.println("");
}
System.out.println("");
}
}
private static void printHtmlTable() {
System.out.println("<html>\n");
// print a table for each format
Enumeration allKeys = allResults.keys();
while (allKeys.hasMoreElements()) {
String format = (String)allKeys.nextElement();
System.out.println("<h3>" + format.toUpperCase() + "");
System.out.println("<table border=\"1\">");
Hashtable fmtResults = (Hashtable)allResults.get(format);
Enumeration testKeys = fmtResults.keys();
String[] tests = toSortedArray(testKeys, true);
// print the column headers
Hashtable testResults = (Hashtable)fmtResults.get(tests[0]);
String[] methods = new String[testResults.keySet().size()];
for (int k = 0, i = 0; i < methodKeys.length; i++) {
if (testResults.containsKey(methodKeys[i])) {
methods[k++] = methodKeys[i];
}
}
System.out.print("<tr> |
