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/*
 * 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.commons.io.serialization;

import java.util.regex.Pattern;

/**
 * A {@link ClassNameMatcher} that uses regular expressions.
 * 

* This object is immutable and thread-safe. *

*/ final class RegexpClassNameMatcher implements ClassNameMatcher { private final Pattern pattern; // Class is thread-safe /** * Constructs an object based on the specified regular expression. * * @param regex a regular expression for evaluating acceptable class names */ public RegexpClassNameMatcher(final String regex) { this(Pattern.compile(regex)); } /** * Constructs an object based on the specified pattern. * * @param pattern a pattern for evaluating acceptable class names * @throws IllegalArgumentException if pattern is null */ public RegexpClassNameMatcher(final Pattern pattern) { if (pattern == null) { throw new IllegalArgumentException("Null pattern"); } this.pattern = pattern; } @Override public boolean matches(final String className) { return pattern.matcher(className).matches(); } }




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