org.sonarsource.scanner.api.internal.ClassloadRules Maven / Gradle / Ivy
/*
* SonarQube Scanner API
* Copyright (C) 2011-2021 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonarsource.scanner.api.internal;
import javax.annotation.concurrent.Immutable;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
@Immutable
public class ClassloadRules {
private final List mask;
private final List unmask;
public ClassloadRules(Set maskRules, Set unmaskRules) {
this.mask = new ArrayList<>(maskRules);
this.unmask = new ArrayList<>(unmaskRules);
}
public boolean canLoad(String className) {
// if there is a tie -> block it
return unmaskSize(className) > maskSize(className);
}
private int maskSize(String className) {
return findBestMatch(mask, className);
}
private int unmaskSize(String className) {
return findBestMatch(unmask, className);
}
private static int findBestMatch(List list, String name) {
// there can be a match of 0 ("")
int bestMatch = -1;
for (String s : list) {
if (name.startsWith(s) && s.length() > bestMatch) {
bestMatch = s.length();
}
}
return bestMatch;
}
}