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Merge pull request #26 from Dynatrace/add_sample_for_1.8
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‎samples/README.md

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# Sample applications for OneAgent SDK for Java
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# Sample applications for OneAgent SDK for Java
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Sample applications showing how to use Dynatrace OneAgent SDK for Java to create custom specific PurePaths and service calls.
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- run `mvn package` in root directory of the desired sample
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### Run RemoteCall sample application
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This Application shows how to trace remote calls and tag them. To run this sample you need to start a server and client sample application - both with Dynatrace OneAgent injected.
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- Server: `mvn -pl remotecall-server exec:exec`
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![remotecall-server](img/remotecall-service.png)
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### Run InProcessLinking sample application
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This Application shows how to in-process-linking and custom service attributes are being used. To run this sample you need to create a custom service for your tenant - and of course Dynatrace OneAgent must be installed.
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- ensure you have custom service for method `startAsyncOperation` in class `com.dynatrace.oneagent.sdk.samples.inprocesslinking.InProcessLinkingApp`
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![in-process-linking-service](img/in-process-linking-service.png)
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### Run WebRequest sample application
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This Application shows how to trace outgoing- and incoming webrequests. To run this sample you just go into the sample directory and run the sample by typing:
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- run sample: `mvn exec:exec`
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### Run Messaging sample application
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This Application shows how to trace outgoing, receiving and processing of incoming messages. To run this sample you just go into the sample directory and run the sample by typing:
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- run sample: `mvn exec:exec`
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### Run DatabaseRequest sample application
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This Application shows how to trace database requests. To run this sample you just go into the sample directory and run the sample by typing:
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- run sample: `mvn exec:exec`
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To run this sample you need to create a custom service for your tenant. See source of sample app for details.
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### Run custom service sample application
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This Application shows how to trace a custom service.
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To run this sample, go into the sample directory and run the sample by typing:
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- run sample: `mvn exec:exec`
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‎samples/custom-service/pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
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http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.dynatrace.oneagent.sdk.samples.customservice</groupId>
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<artifactId>custom-service-sample</artifactId>
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<version>1.8.0</version>
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<packaging>jar</packaging>
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<dependencies>
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<dependency>
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<groupId>com.dynatrace.oneagent.sdk.java</groupId>
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<artifactId>oneagent-sdk</artifactId>
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<version>1.8.0</version>
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<scope>compile</scope>
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</dependency>
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</dependencies>
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<url>https://github.com/Dynatrace/OneAgent-SDK-Java</url>
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<name>Dynatrace OneAgent SDK Java custom service sample</name>
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<organization>
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<name>Dynatrace</name>
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<url>http://www.dynatrace.com</url>
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</organization>
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<properties>
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<maven.compiler.source>1.6</maven.compiler.source>
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<maven.compiler.target>1.6</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<!-- uncomment and replace url/tenant/token in case of manual agent injection -->
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<!--
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<agent.lib>path_to_installed_one_agent\agent\lib64\oneagentjava.dll</agent.lib>
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<agent.server>https://url.to.tenant.com</agent.server>
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<agent.tenant>tenantUUID</agent.tenant>
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<agent.tenantToken>tenantToken</agent.tenantToken>
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<agent.options>,debugOneAgentSdkJava=true</agent.options>
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<agent.agentpath>-agentpath:"${agent.lib}=name=SdkSample,server=${agent.server}"${agent.options},tenant=${agent.tenant},tenantToken=${agent.tenantToken}</agent.agentpath>
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-->
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</properties>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>2.4</version>
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<configuration>
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<archive>
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<manifest>
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<addClasspath>true</addClasspath>
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<mainClass>com.dynatrace.oneagent.sdk.samples.customservice.CustomServiceApp</mainClass>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.6.0</version>
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<executions>
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<execution>
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<goals>
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<goal>exec</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<executable>java</executable>
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<arguments>
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<argument>${agent.agentpath}</argument>
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<argument>-classpath</argument>
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<classpath/>
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<mainClass>com.dynatrace.oneagent.sdk.samples.customservice.CustomServiceApp</mainClass>
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</arguments>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎samples/custom-service/src/main/java/com/dynatrace/oneagent/sdk/samples/customservice/CustomServiceApp.java

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package com.dynatrace.oneagent.sdk.samples.customservice;
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import com.dynatrace.oneagent.sdk.OneAgentSDKFactory;
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import com.dynatrace.oneagent.sdk.api.CustomServiceTracer;
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import com.dynatrace.oneagent.sdk.api.OneAgentSDK;
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/**
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* Sample application that shows how a custom service should be traced.
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*
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* @author wolfgang.ziegler@dynatrace.com
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*
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*/
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public class CustomServiceApp {
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private final OneAgentSDK oneAgentSdk;
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static CustomServiceApp instance;
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private CustomServiceApp() {
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oneAgentSdk = OneAgentSDKFactory.createInstance();
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oneAgentSdk.setLoggingCallback(new StdErrLoggingCallback());
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switch (oneAgentSdk.getCurrentState()) {
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case ACTIVE:
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System.out.println("SDK is active and capturing.");
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break;
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case PERMANENTLY_INACTIVE:
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System.err.println(
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"SDK is PERMANENTLY_INACTIVE; Probably no OneAgent injected or OneAgent is incompatible with SDK.");
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break;
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case TEMPORARILY_INACTIVE:
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System.err.println(
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"SDK is TEMPORARILY_INACTIVE; OneAgent has been deactivated - check OneAgent configuration.");
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break;
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default:
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System.err.println("SDK is in unknown state.");
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break;
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}
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instance = this;
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}
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public static void main(String args[]) {
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System.out.println("*************************************************************");
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System.out.println("** Running custom service request sample **");
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System.out.println("*************************************************************");
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try {
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CustomServiceApp app = new CustomServiceApp();
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app.traceCustomService();
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System.out.println("sample application stopped. sleeping a while, so OneAgent is able to send data to server ...");
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Thread.sleep(15000 * 3); // we have to wait - so OneAgent is able to send data to server
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} catch (Exception e) {
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System.err.println("custom service request sample failed: " + e.getMessage());
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e.printStackTrace();
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System.exit(-1);
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}
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}
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private void traceCustomService() throws Exception {
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String serviceMethod = "onTimer";
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String serviceName = "PeriodicCleanupTask";
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CustomServiceTracer tracer = oneAgentSdk.traceCustomService(serviceMethod, serviceName);
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tracer.start();
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try {
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doOtherThings();
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} catch (Exception e) {
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tracer.error(e.getMessage());
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throw e;
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} finally {
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tracer.end();
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}
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}
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private void doOtherThings() {
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// ...
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}
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}

‎samples/custom-service/src/main/java/com/dynatrace/oneagent/sdk/samples/customservice/StdErrLoggingCallback.java

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package com.dynatrace.oneagent.sdk.samples.customservice;
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/*
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* Copyright 2021 Dynatrace LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import com.dynatrace.oneagent.sdk.api.LoggingCallback;
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/**
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* Implementation of OneAgent Logging Callback. Just printing output messages to
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* std err.
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*/
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public class StdErrLoggingCallback implements LoggingCallback {
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@Override
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public void error(String message) {
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System.err.println("[OneAgent SDK ERROR]: " + message);
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}
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@Override
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public void warn(String message) {
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System.err.println("[OneAgent SDK WARNING]: " + message);
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}
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}

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