hello;
I want to develop a small application and I need only the number of search
results. I tried to use Google API for search but i have this error when i
excecute my program
Exception in thread "main" com.google.gson.JsonSyntaxException:
java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at
line 1 column 20
at
com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:176)
at com.google.gson.Gson.fromJson(Gson.java:795)
at com.google.gson.Gson.fromJson(Gson.java:734)
at projetmygoogle.test.GoogleResults1.main(GoogleResults1.java:56)
Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was
STRING at line 1 column 20
at com.google.gson.stream.JsonReader.expect(JsonReader.java:339)
at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:322)
at
com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:165)
... 3 more
Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)
Thank you for helping me finf a solution.
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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package projetmygoogle.test;
import com.google.gson.Gson;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import java.net.URLEncoder;
import java.util.List;
import org.json.JSONObject;
/**
*
* @author sotra
*/
public class GoogleResults1 {
private ResponseData responseData;
public ResponseData getResponseData() { return responseData; }
public void setResponseData(ResponseData responseData) { this.responseData = responseData; }
@Override
public String toString() { return "ResponseData[" + responseData + "]"; }
static class ResponseData {
private List<Result> results=null;
public List<Result> getResults() { return results; }
public void setResults(List<Result> results) { this.results = results; }
@Override
public String toString() { return "Results[" + results + "]"; }
}
static class Result {
private String url;
private String title;
private String content;
public String getUrl() { return url; }
public String getTitle() { return title; }
public String getContent() { return content; }
public void setUrl(String url) { this.url = url; }
public void setTitle(String title) { this.title = title; }
@Override
public String toString() { return "Result[url:" + url +",title:" + title + "]"; }
}
public static void main(String[] args) throws Exception {
String google = "http://ajax.googleapis.com/ajax/services/search/web?v=1.0&q=";;
String search = "ga?l dias";
String charset = "UTF-8";
URL url = new URL(google + URLEncoder.encode(search, charset));
Reader reader = new InputStreamReader(url.openStream(), charset);
GoogleResults1 results = new Gson().fromJson(reader, GoogleResults1.class);
for (int i=0 ;i <results.getResponseData().getResults().size(); i++)
{
//System.out.println(results.getResponseData().getResults().get(i).getTitle());
// System.out.println(results.getResponseData().getResults().get(i).getUrl());
System.out.println(results.getResponseData().getResults().get(i).getContent().toString());
System.out.println(" resultat suivant"+"\n");
}
}
}
