Chilkat Online Tools

QueryAssistant Android Example

Amazon Wisdom

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest = new CkRest();
    boolean success;

    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("wisdom");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://wisdom.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("wisdom.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        Log.i(TAG, "ConnectFailReason: " + String.valueOf(rest.get_ConnectFailReason()));
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    CkJsonObject json = new CkJsonObject();
    json.UpdateInt("maxResults",123);
    json.UpdateString("nextToken","string");
    json.UpdateString("queryText","string");

    // The JSON request body created by the above code:

    // {
    //   "maxResults": number,
    //   "nextToken": "string",
    //   "queryText": "string"
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","QueryAssistant");

    CkStringBuilder sbRequestBody = new CkStringBuilder();
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody = new CkStringBuilder();
    success = rest.FullRequestSb("POST","/assistants/{assistantId}/query",sbRequestBody,sbResponseBody);
    if (success != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    int respStatusCode = rest.get_ResponseStatusCode();
    Log.i(TAG, "response status code = " + String.valueOf(respStatusCode));
    if (respStatusCode != 200) {
        Log.i(TAG, "Response Header:");
        Log.i(TAG, rest.responseHeader());
        Log.i(TAG, "Response Body:");
        Log.i(TAG, sbResponseBody.getAsString());
        return;
        }

    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

    // Use this online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    String ContentArn;
    String ContentId;
    String KnowledgeBaseArn;
    String KnowledgeBaseId;
    String Text;
    String TitleText;
    int relevanceScore;
    String resultId;
    int j;
    int count_j;
    int beginOffsetInclusive;
    int endOffsetExclusive;

    String nextToken = jResp.stringOf("nextToken");
    int i = 0;
    int count_i = jResp.SizeOfArray("results");
    while (i < count_i) {
        jResp.put_I(i);
        ContentArn = jResp.stringOf("results[i].document.contentReference.contentArn");
        ContentId = jResp.stringOf("results[i].document.contentReference.contentId");
        KnowledgeBaseArn = jResp.stringOf("results[i].document.contentReference.knowledgeBaseArn");
        KnowledgeBaseId = jResp.stringOf("results[i].document.contentReference.knowledgeBaseId");
        Text = jResp.stringOf("results[i].document.excerpt.text");
        TitleText = jResp.stringOf("results[i].document.title.text");
        relevanceScore = jResp.IntOf("results[i].relevanceScore");
        resultId = jResp.stringOf("results[i].resultId");
        j = 0;
        count_j = jResp.SizeOfArray("results[i].document.excerpt.highlights");
        while (j < count_j) {
            jResp.put_J(j);
            beginOffsetInclusive = jResp.IntOf("results[i].document.excerpt.highlights[j].beginOffsetInclusive");
            endOffsetExclusive = jResp.IntOf("results[i].document.excerpt.highlights[j].endOffsetExclusive");
            j = j + 1;
            }

        j = 0;
        count_j = jResp.SizeOfArray("results[i].document.title.highlights");
        while (j < count_j) {
            jResp.put_J(j);
            beginOffsetInclusive = jResp.IntOf("results[i].document.title.highlights[j].beginOffsetInclusive");
            endOffsetExclusive = jResp.IntOf("results[i].document.title.highlights[j].endOffsetExclusive");
            j = j + 1;
            }

        i = i + 1;
        }

    // A sample JSON response body parsed by the above code:

    // {
    //   "nextToken": "string",
    //   "results": [
    //     {
    //       "document": {
    //         "contentReference": {
    //           "contentArn": "string",
    //           "contentId": "string",
    //           "knowledgeBaseArn": "string",
    //           "knowledgeBaseId": "string"
    //         },
    //         "excerpt": {
    //           "highlights": [
    //             {
    //               "beginOffsetInclusive": number,
    //               "endOffsetExclusive": number
    //             }
    //           ],
    //           "text": "string"
    //         },
    //         "title": {
    //           "highlights": [
    //             {
    //               "beginOffsetInclusive": number,
    //               "endOffsetExclusive": number
    //             }
    //           ],
    //           "text": "string"
    //         }
    //       },
    //       "relevanceScore": number,
    //       "resultId": "string"
    //     }
    //   ]
    // }

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}