Examples of org.apache.wink.json4j.JSONObject.optString()

org.apache.wink.json4j.JSONObject.optString()
Utility method to obtain the specified key as a 'string' value Only values that can be easily converted to string will be returned. A null will generate an exception. Provided for compatibility to other JSON models. @param key The key to look up.throws JSONException Thrown when the type returned by get(key) is null. @return A string value if the value if the value stored for key is not null.

                    resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
                    resp.flushBuffer();
                    return;
                }
                MyFlights.getInstance().addMyFlight(flight.getString(FLIGHT_ID), userId, 
                        flight.getString(APPROVER_ID), flight.optString(REASON));
                resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
                resp.flushBuffer();
                return;
            } catch (JSONException e) {
                resp.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage());

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                JSONObject updatedFlight = new JSONObject(putBody);
                JSONObject currentFlight = myFlights.getFlight(userId, flightId);
                String approverId = updatedFlight.has(APPROVER_ID) ? updatedFlight.getString(APPROVER_ID) : 
                    currentFlight.getString(APPROVER_ID);
                String reason = updatedFlight.has(REASON) ? updatedFlight.getString(REASON) : 
                    currentFlight.optString(REASON);
                String state = updatedFlight.has(STATE) ? updatedFlight.getString(STATE) : currentFlight.getString(STATE);
                JSONObject responseFlight = myFlights.updateMyFlight(userId, flightId, approverId, reason, state);
                writeJsonObjectResponse(responseFlight, resp);
                resp.flushBuffer();
            } catch (JSONException e) {

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    public void test_optString() {
        Exception ex = null;


        try {
            JSONObject jObject = new JSONObject("{\"string\":\"some string\"}");
            assertTrue(jObject.optString("string").equals("some string"));
            assertTrue(jObject.optString("string2", "string!").equals("string!"));
            assertTrue(jObject.optString("string2") == null);
        } catch (Exception ex1) {
            ex = ex1;
            ex.printStackTrace();

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        Exception ex = null;


        try {
            JSONObject jObject = new JSONObject("{\"string\":\"some string\"}");
            assertTrue(jObject.optString("string").equals("some string"));
            assertTrue(jObject.optString("string2", "string!").equals("string!"));
            assertTrue(jObject.optString("string2") == null);
        } catch (Exception ex1) {
            ex = ex1;
            ex.printStackTrace();
        }

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        try {
            JSONObject jObject = new JSONObject("{\"string\":\"some string\"}");
            assertTrue(jObject.optString("string").equals("some string"));
            assertTrue(jObject.optString("string2", "string!").equals("string!"));
            assertTrue(jObject.optString("string2") == null);
        } catch (Exception ex1) {
            ex = ex1;
            ex.printStackTrace();
        }
        assertTrue(ex == null);

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        client.setClientAuthenticationType(provider.getClientAuthenticationType());
        client.setAuthorizationHeader(provider.isAuthorizationHeader());
        client.setUrlParameter(provider.isUrlParameter());
        client.setTokenUrl(provider.getTokenUrl());


        String redirectUri = settings.optString(OAuth2Message.REDIRECT_URI, null);
        if (redirectUri == null) {
          redirectUri = this.globalRedirectUri;
        }
        final String secret = settings.optString(OAuth2Message.CLIENT_SECRET);
        final String clientId = settings.getString(OAuth2Message.CLIENT_ID);

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        String redirectUri = settings.optString(OAuth2Message.REDIRECT_URI, null);
        if (redirectUri == null) {
          redirectUri = this.globalRedirectUri;
        }
        final String secret = settings.optString(OAuth2Message.CLIENT_SECRET);
        final String clientId = settings.getString(OAuth2Message.CLIENT_ID);
        final String typeS = settings.optString(TYPE, null);
        String grantType = settings.optString(OAuth2Message.GRANT_TYPE, null);
        final String sharedToken = settings.optString(OAuth2Message.SHARED_TOKEN, "false");
        if ("true".equalsIgnoreCase(sharedToken)) {

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        if (redirectUri == null) {
          redirectUri = this.globalRedirectUri;
        }
        final String secret = settings.optString(OAuth2Message.CLIENT_SECRET);
        final String clientId = settings.getString(OAuth2Message.CLIENT_ID);
        final String typeS = settings.optString(TYPE, null);
        String grantType = settings.optString(OAuth2Message.GRANT_TYPE, null);
        final String sharedToken = settings.optString(OAuth2Message.SHARED_TOKEN, "false");
        if ("true".equalsIgnoreCase(sharedToken)) {
          client.setSharedToken(true);
        }

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          redirectUri = this.globalRedirectUri;
        }
        final String secret = settings.optString(OAuth2Message.CLIENT_SECRET);
        final String clientId = settings.getString(OAuth2Message.CLIENT_ID);
        final String typeS = settings.optString(TYPE, null);
        String grantType = settings.optString(OAuth2Message.GRANT_TYPE, null);
        final String sharedToken = settings.optString(OAuth2Message.SHARED_TOKEN, "false");
        if ("true".equalsIgnoreCase(sharedToken)) {
          client.setSharedToken(true);
        }

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        }
        final String secret = settings.optString(OAuth2Message.CLIENT_SECRET);
        final String clientId = settings.getString(OAuth2Message.CLIENT_ID);
        final String typeS = settings.optString(TYPE, null);
        String grantType = settings.optString(OAuth2Message.GRANT_TYPE, null);
        final String sharedToken = settings.optString(OAuth2Message.SHARED_TOKEN, "false");
        if ("true".equalsIgnoreCase(sharedToken)) {
          client.setSharedToken(true);
        }


        try {

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