/*
 * 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.skywalking.apm.agent.core.plugin.match;

import net.bytebuddy.matcher.ElementMatcher;
import org.apache.skywalking.apm.agent.core.logging.api.ILog;
import org.apache.skywalking.apm.agent.core.logging.api.LogManager;

/**
 * In same cases, some frameworks and libraries use some binary codes tech too. From the community feedback, some of
 * them have compatible issues with byte-buddy core, which trigger "Can't resolve type description" exception.
 *
 * So I build this protective shield by a nested matcher. When the origin matcher(s) can't resolve the type, the
 * SkyWalking agent ignores this types.
 *
 * Notice: this ignore mechanism may miss some instrumentations, but at most cases, it's same. If missing happens,
 * please pay attention to the WARNING logs.
 *
 * @author wu-sheng
 */
public class ProtectiveShieldMatcher<T> extends ElementMatcher.Junction.AbstractBase<T> {
    private static final ILog logger = LogManager.getLogger(ProtectiveShieldMatcher.class);

    private final ElementMatcher<? super T> matcher;

    public ProtectiveShieldMatcher(ElementMatcher<? super T> matcher) {
        this.matcher = matcher;
    }

    public boolean matches(T target) {
        try {
            return this.matcher.matches(target);
        } catch (Throwable t) {
            logger.warn(t, "Byte-buddy occurs exception when match type.");
            return false;
        }
    }
}

@@ -1045,17 +1045,17 @@
 %0A * In s
-a
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Fix a comment word.