add builder

Author: liustve

awsagentprovider/src/main/java/software/amazon/opentelemetry/javaagent/providers/exporter/aws/metrics/AwsCloudWatchEmfExporterBuilder.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright Amazon.com, Inc. or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file 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 software.amazon.opentelemetry.javaagent.providers.exporter.aws.metrics;
+
+import static java.util.Objects.requireNonNull;
+
+import software.amazon.awssdk.services.cloudwatchlogs.CloudWatchLogsClient;
+import software.amazon.opentelemetry.javaagent.providers.exporter.aws.metrics.common.emitter.CloudWatchLogsClientEmitter;
+import software.amazon.opentelemetry.javaagent.providers.exporter.aws.metrics.common.emitter.LogEventEmitter;
+
+public class AwsCloudWatchEmfExporterBuilder {
+  private String namespace;
+  private String logGroupName;
+  private String logStreamName;
+  private String awsRegion;
+  private LogEventEmitter<CloudWatchLogsClient> emitter;
+  private boolean shouldAddApplicationSignalsDimensions = false;
+
+  public AwsCloudWatchEmfExporterBuilder setNamespace(String namespace) {
+    this.namespace = namespace;
+    return this;
+  }
+
+  public AwsCloudWatchEmfExporterBuilder setLogGroupName(String logGroupName) {
+    this.logGroupName = logGroupName;
+    return this;
+  }
+
+  public AwsCloudWatchEmfExporterBuilder setLogStreamName(String logStreamName) {
+    this.logStreamName = logStreamName;
+    return this;
+  }
+
+  public AwsCloudWatchEmfExporterBuilder setAwsRegion(String awsRegion) {
+    this.awsRegion = awsRegion;
+    return this;
+  }
+
+  public AwsCloudWatchEmfExporterBuilder setEmitter(LogEventEmitter<CloudWatchLogsClient> emitter) {
+    this.emitter = emitter;
+    return this;
+  }
+
+  public AwsCloudWatchEmfExporterBuilder setShouldAddApplicationSignalsDimensions(
+      boolean shouldAddApplicationSignalsDimensions) {
+    this.shouldAddApplicationSignalsDimensions = shouldAddApplicationSignalsDimensions;
+    return this;
+  }
+
+  public AwsCloudWatchEmfExporter build() {
+    if (this.namespace == null) {
+      this.namespace = "default";
+    }
+
+    if (this.emitter == null) {
+      requireNonNull(logGroupName, "Must set logGroupName when emitter is not provided");
+      requireNonNull(logStreamName, "Must set logStreamName when emitter is not provided");
+      requireNonNull(awsRegion, "Must set awsRegion when emitter is not provided");
+      this.emitter = new CloudWatchLogsClientEmitter(logGroupName, logStreamName, awsRegion);
+    }
+    return AwsCloudWatchEmfExporter.create(
+        this.namespace, this.emitter, this.shouldAddApplicationSignalsDimensions);
+  }
+}

awsagentprovider/src/main/java/software/amazon/opentelemetry/javaagent/providers/exporter/aws/metrics/ConsoleEmfExporterBuilder.java

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+/*
+ * Copyright Amazon.com, Inc. or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file 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 software.amazon.opentelemetry.javaagent.providers.exporter.aws.metrics;
+
+import java.io.PrintStream;
+import software.amazon.opentelemetry.javaagent.providers.exporter.aws.metrics.common.emitter.ConsoleEmitter;
+import software.amazon.opentelemetry.javaagent.providers.exporter.aws.metrics.common.emitter.LogEventEmitter;
+
+public class ConsoleEmfExporterBuilder {
+  private String namespace;
+  private LogEventEmitter<PrintStream> emitter;
+  private boolean shouldAddApplicationSignalsDimensions = false;
+
+  public ConsoleEmfExporterBuilder setNamespace(String namespace) {
+    this.namespace = namespace;
+    return this;
+  }
+
+  public ConsoleEmfExporterBuilder setEmitter(LogEventEmitter<PrintStream> emitter) {
+    this.emitter = emitter;
+    return this;
+  }
+
+  public ConsoleEmfExporterBuilder setShouldAddApplicationSignalsDimensions(
+      boolean shouldAddApplicationSignalsDimensions) {
+    this.shouldAddApplicationSignalsDimensions = shouldAddApplicationSignalsDimensions;
+    return this;
+  }
+
+  public ConsoleEmfExporter build() {
+    if (this.namespace == null) {
+      this.namespace = "default";
+    }
+    if (this.emitter == null) {
+      this.emitter = new ConsoleEmitter();
+    }
+    return ConsoleEmfExporter.create(
+        this.namespace, this.emitter, this.shouldAddApplicationSignalsDimensions);
+  }
+}