119 lines
4.1 KiB
Java
119 lines
4.1 KiB
Java
/**
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*
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* Copyright 2023 Florian Schmaus
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*
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* This file is part of smack-examples.
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*
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* smack-examples is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package org.igniterealtime.smack.examples;
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import java.util.function.Supplier;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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public class XmlStringBuilderTest {
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static int COUNT_OUTER = 500;
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static int COUNT_INNER = 50;
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public static void main(String[] args) throws Exception {
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test1();
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test2();
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test3();
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}
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public static void test1() throws Exception {
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// CHECKSTYLE:OFF
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System.out.println("Test 1");
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// CHECKSTYLE:ON
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XmlStringBuilder parent = new XmlStringBuilder();
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XmlStringBuilder child = new XmlStringBuilder();
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XmlStringBuilder child2 = new XmlStringBuilder();
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for (int i = 1; i < COUNT_OUTER; i++) {
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XmlStringBuilder cs = new XmlStringBuilder();
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for (int j = 0; j < COUNT_INNER; j++) {
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cs.append("abc");
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}
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child2.append((CharSequence) cs);
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}
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child.append((CharSequence) child2);
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parent.append((CharSequence) child);
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time("test1: parent", () -> "len=" + parent.toString().length());
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time("test1: child", () -> "len=" + child.toString().length());
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time("test1: child2", () -> "len=" + child2.toString().length());
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}
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public static void test2() throws Exception {
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// CHECKSTYLE:OFF
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System.out.println("Test 2: evaluate children first");
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// CHECKSTYLE:ON
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XmlStringBuilder parent = new XmlStringBuilder();
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XmlStringBuilder child = new XmlStringBuilder();
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XmlStringBuilder child2 = new XmlStringBuilder();
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for (int i = 1; i < COUNT_OUTER; i++) {
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XmlStringBuilder cs = new XmlStringBuilder();
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for (int j = 0; j < COUNT_INNER; j++) {
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cs.append("abc");
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}
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child2.append((CharSequence) cs);
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}
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child.append((CharSequence) child2);
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parent.append((CharSequence) child);
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time("test2: child2", () -> "len=" + child2.toString().length());
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time("test2: child", () -> "len=" + child.toString().length());
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time("test2: parent", () -> "len=" + parent.toString().length());
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}
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public static void test3() throws Exception {
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// CHECKSTYLE:OFF
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System.out.println("Test 3: use append(XmlStringBuilder)");
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// CHECKSTYLE:ON
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XmlStringBuilder parent = new XmlStringBuilder();
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XmlStringBuilder child = new XmlStringBuilder();
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XmlStringBuilder child2 = new XmlStringBuilder();
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for (int i = 1; i < COUNT_OUTER; i++) {
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XmlStringBuilder cs = new XmlStringBuilder();
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for (int j = 0; j < COUNT_INNER; j++) {
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cs.append("abc");
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}
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child2.append(cs);
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}
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child.append(child2);
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parent.append(child);
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time("test3: parent", () -> "len=" + parent.toString().length());
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time("test3: child", () -> "len=" + child.toString().length());
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time("test3: child2", () -> "len=" + child2.toString().length());
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}
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static void time(String name, Supplier<String> block) {
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long start = System.currentTimeMillis();
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String result = block.get();
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long end = System.currentTimeMillis();
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// CHECKSTYLE:OFF
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System.out.println(name + " took " + (end - start) + "ms: " + result);
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// CHECKSTYLE:ONy
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}
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}
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