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samples: Dialogflow to gcp (#1181)
* Clean copy of Dialogflow samples, need to update pom.xml to work with java-docs-samples repo * Update files to match GCP Repo's style guides * Update argument parsing * Update Inc. to LLC * Update pom.xml * Add missing region tags for sample tracker
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‎dialogflow/snippets/src/main/java/com/example/dialogflow/ContextManagement.java

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/*
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* Copyright 2018 Google 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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package com.example.dialogflow;
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// Imports the Google Cloud client library
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import com.google.cloud.dialogflow.v2.Context;
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import com.google.cloud.dialogflow.v2.ContextName;
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import com.google.cloud.dialogflow.v2.ContextsClient;
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import com.google.cloud.dialogflow.v2.SessionName;
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import com.google.protobuf.Value;
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import java.util.Map.Entry;
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import net.sourceforge.argparse4j.ArgumentParsers;
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import net.sourceforge.argparse4j.inf.ArgumentParser;
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import net.sourceforge.argparse4j.inf.ArgumentParserException;
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import net.sourceforge.argparse4j.inf.MutuallyExclusiveGroup;
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import net.sourceforge.argparse4j.inf.Namespace;
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import net.sourceforge.argparse4j.inf.Subparser;
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import net.sourceforge.argparse4j.inf.Subparsers;
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/**
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* DialogFlow API Context sample.
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*/
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public class ContextManagement {
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// [START dialogflow_list_contexts]
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/**
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* Lists contexts
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* @param sessionId Identifier of the DetectIntent session.
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* @param projectId Project/Agent Id.
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*/
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public static void listContexts(String sessionId, String projectId) throws Exception {
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// Instantiates a client
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try (ContextsClient contextsClient = ContextsClient.create()) {
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// Set the session name using the sessionId (UUID) and projectId (my-project-id)
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SessionName session = SessionName.of(projectId, sessionId);
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// Performs the list contexts request
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System.out.format("Contexts for session %s:\n", session.toString());
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for (Context context : contextsClient.listContexts(session).iterateAll()) {
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System.out.format("Context name: %s\n", context.getName());
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System.out.format("Lifespan Count: %d\n", context.getLifespanCount());
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System.out.format("Fields:\n");
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for (Entry<String, Value> entry : context.getParameters().getFieldsMap().entrySet()) {
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if (entry.getValue().hasStructValue()) {
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System.out.format("\t%s: %s\n", entry.getKey(), entry.getValue());
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}
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}
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}
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}
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}
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// [END dialogflow_list_contexts]
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// [START dialogflow_create_context]
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/**
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* Create an entity type with the given display name
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* @param contextId The Id of the context.
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* @param sessionId Identifier of the DetectIntent session.
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* @param lifespanCount The lifespan count of the context.
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* @param projectId Project/Agent Id.
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*/
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public static void createContext(String contextId, String sessionId, String projectId,
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int lifespanCount) throws Exception {
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// Instantiates a client
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try (ContextsClient contextsClient = ContextsClient.create()) {
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// Set the session name using the sessionId (UUID) and projectID (my-project-id)
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SessionName session = SessionName.of(projectId, sessionId);
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// Create the context name with the projectId, sessionId, and contextId
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ContextName contextName = ContextName.newBuilder()
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.setProject(projectId)
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.setSession(sessionId)
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.setContext(contextId)
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.build();
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// Create the context with the context name and lifespan count
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Context context = Context.newBuilder()
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.setName(contextName.toString()) // The unique identifier of the context
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.setLifespanCount(lifespanCount) // Number of query requests before the context expires.
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.build();
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// Performs the create context request
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Context response = contextsClient.createContext(session, context);
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System.out.format("Context created: %s\n", response);
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}
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}
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// [END dialogflow_create_context]
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// [START dialogflow_delete_context]
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/**
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* Delete entity type with the given entity type name
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* @param contextId The Id of the context.
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* @param sessionId Identifier of the DetectIntent session.
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* @param projectId Project/Agent Id.
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*/
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public static void deleteContext(String contextId, String sessionId, String projectId)
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throws Exception {
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// Instantiates a client
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try (ContextsClient contextsClient = ContextsClient.create()) {
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// Create the context name with the projectId, sessionId, and contextId
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ContextName contextName = ContextName.of(projectId, sessionId, contextId);
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// Performs the delete context request
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contextsClient.deleteContext(contextName);
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}
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}
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// [END dialogflow_delete_context]
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public static void main(String[] args) throws Exception {
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ArgumentParser parser =
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ArgumentParsers.newFor("ContextManagement")
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.build()
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.defaultHelp(true)
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.description("Create / List / Delete a context.");
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Subparsers subparsers = parser.addSubparsers().dest("command").title("Commands");
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Subparser listParser = subparsers.addParser("list")
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.help("mvn exec:java -DContextManagement -Dexec.args='list --sessionId SESSION_ID "
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+ "--projectId PROJECT_ID'");
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listParser.addArgument("--sessionId")
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.help("Identifier of the DetectIntent session").required(true);
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listParser.addArgument("--projectId").help("Project/Agent Id").required(true);
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Subparser createParser = subparsers.addParser("create")
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.help("mvn exec:java -DContextManagement -Dexec.args='create --sessionId SESSION_ID "
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+ "--projectId PROJECT_ID --contextId CONTEXT_ID'");
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createParser.addArgument("--sessionId")
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.help("Identifier of the DetectIntent session").required(true);
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createParser.addArgument("--projectId").help("Project/Agent Id").required(true);
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createParser.addArgument("--contextId")
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.help("The Id of the context")
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.required(true);
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createParser.addArgument("--lifespanCount")
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.help("The lifespan count of the context (Default: 1)").setDefault(1);
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Subparser deleteParser = subparsers.addParser("delete")
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.help("mvn exec:java -DContextManagement -Dexec.args='delete --sessionId SESSION_ID "
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+ "--projectId PROJECT_ID --contextId CONTEXT_ID'");
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deleteParser.addArgument("--sessionId")
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.help("Identifier of the DetectIntent session").required(true);
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deleteParser.addArgument("--projectId").help("Project/Agent Id").required(true);
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deleteParser.addArgument("--contextId")
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.help("The Id of the context")
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.required(true);
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try {
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Namespace namespace = parser.parseArgs(args);
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if (namespace.get("command").equals("list")) {
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listContexts(namespace.get("sessionId"), namespace.get("projectId"));
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} else if (namespace.get("command").equals("create")) {
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createContext(namespace.get("contextId"), namespace.get("sessionId"),
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namespace.get("projectId"), namespace.get("lifespanCount"));
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} else if (namespace.get("command").equals("delete")) {
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deleteContext(namespace.get("contextId"), namespace.get("sessionId"),
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namespace.get("projectId"));
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}
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} catch (ArgumentParserException e) {
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parser.handleError(e);
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}
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}
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}

‎dialogflow/snippets/src/main/java/com/example/dialogflow/DetectIntentAudio.java

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/*
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* Copyright 2018 Google 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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package com.example.dialogflow;
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// Imports the Google Cloud client library
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import com.google.cloud.dialogflow.v2.AudioEncoding;
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import com.google.cloud.dialogflow.v2.DetectIntentRequest;
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import com.google.cloud.dialogflow.v2.DetectIntentResponse;
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import com.google.cloud.dialogflow.v2.InputAudioConfig;
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import com.google.cloud.dialogflow.v2.QueryInput;
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import com.google.cloud.dialogflow.v2.QueryResult;
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import com.google.cloud.dialogflow.v2.SessionName;
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import com.google.cloud.dialogflow.v2.SessionsClient;
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import com.google.protobuf.ByteString;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.UUID;
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import net.sourceforge.argparse4j.ArgumentParsers;
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import net.sourceforge.argparse4j.inf.ArgumentParser;
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import net.sourceforge.argparse4j.inf.ArgumentParserException;
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import net.sourceforge.argparse4j.inf.Namespace;
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/**
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* DialogFlow API Detect Intent sample with audio files.
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*/
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public class DetectIntentAudio {
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// [START dialogflow_detect_intent_audio]
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/**
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* Returns the result of detect intent with an audio file as input.
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*
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* Using the same `session_id` between requests allows continuation of the conversation.
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* @param projectId Project/Agent Id.
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* @param audioFilePath Path to the audio file.
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* @param sessionId Identifier of the DetectIntent session.
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* @param languageCode Language code of the query.
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*/
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public static void detectIntentAudio(String projectId, String audioFilePath, String sessionId,
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String languageCode)
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throws Exception {
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// Instantiates a client
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try (SessionsClient sessionsClient = SessionsClient.create()) {
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// Set the session name using the sessionId (UUID) and projectID (my-project-id)
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SessionName session = SessionName.of(projectId, sessionId);
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System.out.println("Session Path: " + session.toString());
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// Note: hard coding audioEncoding and sampleRateHertz for simplicity.
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// Audio encoding of the audio content sent in the query request.
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AudioEncoding audioEncoding = AudioEncoding.AUDIO_ENCODING_LINEAR_16;
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int sampleRateHertz = 16000;
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// Instructs the speech recognizer how to process the audio content.
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InputAudioConfig inputAudioConfig = InputAudioConfig.newBuilder()
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.setAudioEncoding(audioEncoding) // audioEncoding = AudioEncoding.AUDIO_ENCODING_LINEAR_16
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.setLanguageCode(languageCode) // languageCode = "en-US"
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.setSampleRateHertz(sampleRateHertz) // sampleRateHertz = 16000
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.build();
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// Build the query with the InputAudioConfig
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QueryInput queryInput = QueryInput.newBuilder().setAudioConfig(inputAudioConfig).build();
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// Read the bytes from the audio file
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byte[] inputAudio = Files.readAllBytes(Paths.get(audioFilePath));
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// Build the DetectIntentRequest
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DetectIntentRequest request = DetectIntentRequest.newBuilder()
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.setSession(session.toString())
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.setQueryInput(queryInput)
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.setInputAudio(ByteString.copyFrom(inputAudio))
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.build();
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// Performs the detect intent request
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DetectIntentResponse response = sessionsClient.detectIntent(request);
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// Display the query result
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QueryResult queryResult = response.getQueryResult();
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System.out.println("====================");
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System.out.format("Query Text: '%s'\n", queryResult.getQueryText());
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System.out.format("Detected Intent: %s (confidence: %f)\n",
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queryResult.getIntent().getDisplayName(), queryResult.getIntentDetectionConfidence());
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System.out.format("Fulfillment Text: '%s'\n", queryResult.getFulfillmentText());
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}
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}
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// [END dialogflow_detect_intent_audio]
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public static void main(String[] args) throws Exception {
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ArgumentParser parser =
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ArgumentParsers.newFor("DetectIntentAudio")
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.build()
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.defaultHelp(true)
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.description("Returns the result of detect intent with an audio file as input.\n"
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+ "mvn exec:java -DDetectIntentAudio -Dexec.args='--projectId PROJECT_ID "
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+ "--audioFilePath resources/book_a_room.wav --sessionId SESSION_ID'");
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parser.addArgument("--projectId").help("Project/Agent Id").required(true);
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parser.addArgument("--audioFilePath")
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.help("Path to the audio file")
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.required(true);
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parser.addArgument("--sessionId")
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.help("Identifier of the DetectIntent session (Default: UUID.)")
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.setDefault(UUID.randomUUID().toString());
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parser.addArgument("--languageCode")
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.help("Language Code of the query (Default: en-US")
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.setDefault("en-US");
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try {
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Namespace namespace = parser.parseArgs(args);
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detectIntentAudio(namespace.get("projectId"), namespace.get("audioFilePath"),
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namespace.get("sessionId"), namespace.get("languageCode"));
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} catch (ArgumentParserException e) {
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parser.handleError(e);
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}
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}
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}

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