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| 1 | +package stannieman.rest; |
| 2 | + |
| 3 | +import android.util.Base64; |
| 4 | + |
| 5 | +import com.android.volley.Request; |
| 6 | +import com.android.volley.RequestQueue; |
| 7 | +import com.fasterxml.jackson.databind.ObjectMapper; |
| 8 | + |
| 9 | +import java.util.HashMap; |
| 10 | +import java.util.Map; |
| 11 | + |
| 12 | +import stannieman.commonservices.models.*; |
| 13 | +import stannieman.rest.models.ErrorResponseDataBase; |
| 14 | +import stannieman.rest.models.RequestProperties; |
| 15 | +import stannieman.rest.models.RestResult; |
| 16 | +import stannieman.rest.models.SuccessResponseDataBase; |
| 17 | + |
| 18 | +/** |
| 19 | + * A simple REST client that supports basic authentication. |
| 20 | + * Authentication is done by setting a basic authentication header in the request. |
| 21 | + */ |
| 22 | +public final class BasicAuthRestClient extends RestClientBase { |
| 23 | + private static final String AuthHeaderKey = "Authorization"; |
| 24 | + private static final String BasicAuthHeaderValuePrefix = "Basic "; |
| 25 | + private final Map<String, String> authHeader; |
| 26 | + |
| 27 | + BasicAuthRestClient(ObjectMapper objectMapper, RequestQueue requestQueue, Scheme schema, String host, int port, String apiBasePath, String endpointPath, long timeout, String userName, String password) { |
| 28 | + super(objectMapper, requestQueue, schema, host, port, apiBasePath, endpointPath, timeout); |
| 29 | + authHeader = getBasicAuthHeader(userName, password); |
| 30 | + } |
| 31 | + |
| 32 | + @Override |
| 33 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> ServiceResult<RestResult<SuccessResponseDataType, ErrorResponseDataType>> get(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties) { |
| 34 | + return doRequestWithAuthHeader(Request.Method.GET, requestProperties); |
| 35 | + } |
| 36 | + |
| 37 | + @Override |
| 38 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> ServiceResult<RestResult<SuccessResponseDataType, ErrorResponseDataType>> post(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties) { |
| 39 | + return doRequestWithAuthHeader(Request.Method.POST, requestProperties); |
| 40 | + } |
| 41 | + |
| 42 | + @Override |
| 43 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> ServiceResult<RestResult<SuccessResponseDataType, ErrorResponseDataType>> put(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties) { |
| 44 | + return doRequestWithAuthHeader(Request.Method.PUT, requestProperties); |
| 45 | + } |
| 46 | + |
| 47 | + @Override |
| 48 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> ServiceResult<RestResult<SuccessResponseDataType, ErrorResponseDataType>> patch(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties) { |
| 49 | + return doRequestWithAuthHeader(Request.Method.PATCH, requestProperties); |
| 50 | + } |
| 51 | + |
| 52 | + @Override |
| 53 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> void getAsync(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties, IRequestResponseListener<SuccessResponseDataType, ErrorResponseDataType> requestResponseListener) { |
| 54 | + doRequestWithAuthHeaderAsync(Request.Method.GET, requestProperties, requestResponseListener); |
| 55 | + } |
| 56 | + |
| 57 | + @Override |
| 58 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> void postAsync(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties, IRequestResponseListener<SuccessResponseDataType, ErrorResponseDataType> requestResponseListener) { |
| 59 | + doRequestWithAuthHeaderAsync(Request.Method.POST, requestProperties, requestResponseListener); |
| 60 | + } |
| 61 | + |
| 62 | + @Override |
| 63 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> void putAsync(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties, IRequestResponseListener<SuccessResponseDataType, ErrorResponseDataType> requestResponseListener) { |
| 64 | + doRequestWithAuthHeaderAsync(Request.Method.PUT, requestProperties, requestResponseListener); |
| 65 | + } |
| 66 | + |
| 67 | + @Override |
| 68 | + public <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> void patchAsync(RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties, IRequestResponseListener<SuccessResponseDataType, ErrorResponseDataType> requestResponseListener) { |
| 69 | + doRequestWithAuthHeaderAsync(Request.Method.PATCH, requestProperties, requestResponseListener); |
| 70 | + } |
| 71 | + |
| 72 | + private <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> ServiceResult<RestResult<SuccessResponseDataType, ErrorResponseDataType>> doRequestWithAuthHeader(int method, RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties) { |
| 73 | + return doRequest(method, requestProperties, requestProperties.getQueryParameters(), getHeadersWithAuthHeader(requestProperties.getHeaders())); |
| 74 | + } |
| 75 | + |
| 76 | + private <SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> void doRequestWithAuthHeaderAsync(int method, RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties, IRequestResponseListener<SuccessResponseDataType, ErrorResponseDataType> requestResponseListener) { |
| 77 | + new DoRequestWithAuthHeaderAsyncTask<>(method, requestProperties, requestResponseListener).execute(); |
| 78 | + } |
| 79 | + |
| 80 | + private class DoRequestWithAuthHeaderAsyncTask<SuccessResponseDataType extends SuccessResponseDataBase, ErrorResponseDataType extends ErrorResponseDataBase> extends DoRequestAsyncTaskBase<SuccessResponseDataType, ErrorResponseDataType> { |
| 81 | + DoRequestWithAuthHeaderAsyncTask(int method, RequestProperties<SuccessResponseDataType, ErrorResponseDataType> requestProperties, IRequestResponseListener<SuccessResponseDataType, ErrorResponseDataType> requestResponseListener) { |
| 82 | + super(method, requestProperties, requestResponseListener); |
| 83 | + } |
| 84 | + |
| 85 | + @Override |
| 86 | + protected ServiceResult<RestResult<SuccessResponseDataType, ErrorResponseDataType>> doInBackground(Void... voids) { |
| 87 | + return doRequestWithAuthHeader(method, requestProperties); |
| 88 | + } |
| 89 | + } |
| 90 | + |
| 91 | + private Map<String, String> getBasicAuthHeader(String userName, String password) { |
| 92 | + Map<String, String> basicAuthHeader = new HashMap<>(); |
| 93 | + basicAuthHeader.put(AuthHeaderKey, BasicAuthHeaderValuePrefix + Base64.encodeToString(String.format("%s:%s", userName, password).getBytes(), Base64.NO_WRAP)); |
| 94 | + return basicAuthHeader; |
| 95 | + } |
| 96 | + |
| 97 | + private Map<String, String> getHeadersWithAuthHeader(Map<String, String> headers) { |
| 98 | + Map<String, String> headersWithAuthHeader = new HashMap<>(authHeader); |
| 99 | + |
| 100 | + if (headers != null) { |
| 101 | + headersWithAuthHeader.putAll(headers); |
| 102 | + } |
| 103 | + |
| 104 | + return headersWithAuthHeader; |
| 105 | + } |
| 106 | +} |
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