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ClassImportRule.java
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ClassImportRule.java
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////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2016 the original author or authors.
//
// This library 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 2.1 of the License, or (at your option) any later version.
//
// This library 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 library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
////////////////////////////////////////////////////////////////////////////////
package com.puppycrawl.tools.checkstyle.checks.imports;
/**
* Represents whether a class is allowed to be imported or not.
* @author Oliver Burn
*/
class ClassImportRule extends AbstractImportRule {
/** Package to control access to. */
private final String className;
/**
* Constructs an instance.
* @param allow whether to allow access.
* @param localOnly whether the rule is to be applied locally only
* @param className the class to apply the rule on.
* @param regExp whether the class name is to be interpreted as a regular
* expression.
*/
ClassImportRule(final boolean allow, final boolean localOnly,
final String className, final boolean regExp) {
super(allow, localOnly, regExp);
this.className = className;
}
/**
* Verifies whether a class name is used.
* @param forImport the import to check.
* @return a result {@link AccessResult} indicating whether it can be used.
*/
@Override
public AccessResult verifyImport(final String forImport) {
final boolean classMatch;
if (isRegExp()) {
classMatch = forImport.matches(className);
}
else {
classMatch = forImport.equals(className);
}
return calculateResult(classMatch);
}
}