Examples of org.json.JSONArray.optString()

org.json.JSONArray.optString()
Get the optional string value associated with an index. It returns an empty string if there is no value at that index. If the value is not a string and is not null, then it is coverted to a string. @param index The index must be between 0 and length() - 1. @return A String value.

    for (int i = 0; i < jsonMappings.length(); i++) {
      JSONArray entry = jsonMappings.getJSONArray(i);


      // The name can be accessed in two ways: Directly (i.e. a string) or
      // indirectly (i.e. an index into the name map).
      String name = entry.optString(3, "");
      if (names != null) {
        try {
          int nameIndex = entry.getInt(3);
          name = names.getString(nameIndex);
        } catch (JSONException e) {

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        final JSONArray dArray = settings.optJSONArray(JSONOAuth2Persister.ALLOWED_DOMAINS);
        if (dArray != null) {
          final ArrayList<String> domains = new ArrayList<String>();
          for (int i = 0; i < dArray.length(); i++) {
            domains.add(dArray.optString(i));
          }
          client.setAllowedDomains(domains.toArray(new String[0]));
        }


        internalMap.put(clientName, client);

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        assertEquals(0, gadget.getInt("moduleId"));
        first = true;
      } else {
        JSONArray errors = gadget.getJSONArray("errors");
        assertEquals(1, errors.length());
        assertEquals("broken", errors.optString(0));
        second = true;
      }
    }


    assertTrue("First gadget not returned!", first);

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        final JSONArray dArray = settings.optJSONArray(JSONOAuth2Persister.ALLOWED_DOMAINS);
        if (dArray != null) {
          final ArrayList<String> domains = new ArrayList<String>();
          for (int i = 0; i < dArray.length(); i++) {
            domains.add(dArray.optString(i));
          }
          client.setAllowedDomains(domains.toArray(new String[0]));
        }


        internalMap.put(clientName, client);

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    if (view == null) {
      JSONArray aliases = containerConfig.getJsonArray(context.getContainer(),
          "gadgets.features/views/" + viewName + "/aliases");
      if (aliases != null) {
        for (int i = 0, j = aliases.length(); i < j; ++i) {
          viewName = aliases.optString(i);
          if (viewName != null) {
            view = spec.getView(viewName);
            if (view != null) {
              break;
            }

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        assertEquals(0, gadget.getInt("moduleId"));
        first = true;
      } else {
        JSONArray errors = gadget.getJSONArray("errors");
        assertEquals(1, errors.length());
        assertEquals("broken", errors.optString(0));
        second = true;
      }
    }


    assertTrue("First gadget not returned!", first);

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    @Test
    public void testArray() {
        JSONArray json = OTJson.array("string", 123, 123.456, true, false, null);
        Assert.assertNotNull(json);
        Assert.assertEquals("string", json.optString(0));
        Assert.assertEquals(123, json.optInt(1));
        Assert.assertEquals(123.456, json.optDouble(2), 1e-15);
        Assert.assertEquals(true, json.optBoolean(3));
        Assert.assertEquals(false, json.optBoolean(4));
        Assert.assertEquals(null, json.opt(5));

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            String[] keyNames = null;
            JSONArray keyArray = json.optJSONArray("keys");
            if (keyArray != null) {
                keyNames = new String[keyArray.length()];
                for (int i = 0; i < keyNames.length; ++i) {
                    keyNames[i] = keyArray.optString(i);
                }
            }


            String jevent = json.getString("object");

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            String[] keyNames = null;
            JSONArray keyArray = json.optJSONArray("keys");
            if (keyArray != null) {
                keyNames = new String[keyArray.length()];
                for (int i = 0; i < keyNames.length; ++i) {
                    keyNames[i] = keyArray.optString(i);
                }
            }


            String jevent = json.getString("object");

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    ArrayList<String> arCategories = new ArrayList<String>();
    for(int i=0; i<jhits.length(); i++){
      JSONObject jhit = jhits.getJSONObject(i);
      JSONArray jcolor = jhit.optJSONArray("color");
      if(jcolor != null){
        String color = jcolor.optString(0);
        if(color != null)
          arColors.add(color);
      }
      JSONArray jcategory = jhit.optJSONArray("category");
      if (jcategory != null)

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