Quelle TesterValidator.java Sprache: JAVA

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jasper.compiler;

import org.junit.Assert;
import org.junit.Test;

import org.apache.tomcat.util.security.Escape;

/**
* Performance tests for {@link Validator}.
*/
public class TesterValidator {

    private static String[] bug53867TestData = new String[] { "Hello World!", "Content-Language\">",
            "This connection has limited network connectivity.",
            "Please use this web page & to access file server resources." };

    @Test
    public void testBug53867() {
        for (int i = 0; i < 10; i++) {
            doTestBug53867();
        }
    }

    private static void doTestBug53867() {
        int count = 100000;

        for (String testDatum : bug53867TestData) {
            Assert.assertEquals(doTestBug53867OldVersion(testDatum), Escape.xml(testDatum));
        }

        for (int i = 0; i < 100; i++) {
            for (String bug53867TestDatum : bug53867TestData) {
                doTestBug53867OldVersion(bug53867TestDatum);
            }
        }
        for (int i = 0; i < 100; i++) {
            for (String bug53867TestDatum : bug53867TestData) {
                Escape.xml(bug53867TestDatum);
            }
        }

        long start = System.currentTimeMillis();
        for (int i = 0; i < count; i++) {
            for (String bug53867TestDatum : bug53867TestData) {
                doTestBug53867OldVersion(bug53867TestDatum);
            }
        }
        System.out.println("Old escape:" + (System.currentTimeMillis() - start));

        start = System.currentTimeMillis();
        for (int i = 0; i < count; i++) {
            for (String bug53867TestDatum : bug53867TestData) {
                Escape.xml(bug53867TestDatum);
            }
        }
        System.out.println("New escape:" + (System.currentTimeMillis() - start));
    }

    private static String doTestBug53867OldVersion(String s) {
        if (s == null) {
            return null;
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (c == '<') {
                sb.append("<");
            } else if (c == '>') {
                sb.append(">");
            } else if (c == '\'') {
                sb.append("'"); // '
            } else if (c == '&') {
                sb.append("&");
            } else if (c == '"') {
                sb.append("""); // "
            } else {
                sb.append(c);
            }
        }
        return sb.toString();
    }
}

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