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[Agent] Support jdbc4, jdbc3 and jdbc42 of postgresql driver
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ascrutae committed Jan 11, 2018
1 parent 3613691 commit 97b5778
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Showing 2 changed files with 74 additions and 3 deletions.
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import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
import static org.apache.skywalking.apm.agent.core.plugin.bytebuddy.ArgumentTypeNameMatch.takesArgumentWithType;
import static org.apache.skywalking.apm.agent.core.plugin.match.NameMatch.byName;
import static org.apache.skywalking.apm.plugin.jdbc.postgresql.define.MultiClassNameMatch.byMultiClassMatch;

/**
* {@link ConnectionInstrumentation} intercept the following methods that the class which extend {@link
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public class ConnectionInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {

private static final String PREPARE_STATEMENT_METHOD_WITH_STRING_ARRAY_INTERCEPTOR_CLASS = "org.apache.skywalking.apm.plugin.jdbc.postgresql.JDBCPrepareStatementWithStringArrayInterceptor";
public static final String ENHANCE_CLASS = "org.postgresql.jdbc.PgConnection";
public static final String PG_CONNECTION_ENHANCE_CLASS = "org.postgresql.jdbc.PgConnection";
public static final String STRING_ARRAY_ARGUMENT_TYPE = "java.lang.String[]";
public static final String PG_JDBC42_CONNECTION_ENHANCE_CLASS = "org.postgresql.jdbc42.Jdbc42Connection";
public static final String PG_JDBC3_CONNECTION_ENHANCE_CLASS = "org.postgresql.jdbc3g.Jdbc3gConnection";
public static final String PG_JDBC4_CONNECTION_ENHANCE_CLASS = "org.postgresql.jdbc4.Jdbc4Connection";

@Override protected ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
return new ConstructorInterceptPoint[0];
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}

@Override protected ClassMatch enhanceClass() {
return byName(ENHANCE_CLASS);
return byMultiClassMatch(PG_CONNECTION_ENHANCE_CLASS, PG_JDBC42_CONNECTION_ENHANCE_CLASS, PG_JDBC3_CONNECTION_ENHANCE_CLASS, PG_JDBC4_CONNECTION_ENHANCE_CLASS);
}
}
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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.skywalking.apm.plugin.jdbc.postgresql.define;

import java.util.Arrays;
import java.util.List;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
import org.apache.skywalking.apm.agent.core.plugin.match.IndirectMatch;

import static net.bytebuddy.matcher.ElementMatchers.named;

/**
* Match class with a given set of classes.
*
* @author zhangxin
*/
public class MultiClassNameMatch implements IndirectMatch {

private List<String> matchClassNames;

private MultiClassNameMatch(String[] classNames) {
if (classNames == null || classNames.length == 0) {
throw new IllegalArgumentException("match class names is null");
}
this.matchClassNames = Arrays.asList(classNames);
}

@Override
public ElementMatcher.Junction buildJunction() {
ElementMatcher.Junction junction = null;
for (String name : matchClassNames) {
if (junction == null) {
junction = named(name);
} else {
junction = junction.or(named(name));
}
}
return junction;
}

@Override
public boolean isMatch(TypeDescription typeDescription) {
return matchClassNames.contains(typeDescription.getTypeName());
}

public static ClassMatch byMultiClassMatch(String... classNames) {
return new MultiClassNameMatch(classNames);
}
}

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