diff options
Diffstat (limited to 'id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/sl20/SL20JSONBuilderUtils.java')
| -rw-r--r-- | id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/sl20/SL20JSONBuilderUtils.java | 617 |
1 files changed, 617 insertions, 0 deletions
diff --git a/id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/sl20/SL20JSONBuilderUtils.java b/id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/sl20/SL20JSONBuilderUtils.java new file mode 100644 index 000000000..d5dec1fe1 --- /dev/null +++ b/id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/sl20/SL20JSONBuilderUtils.java @@ -0,0 +1,617 @@ +package at.gv.egovernment.moa.id.auth.modules.sl20_auth.sl20; + +import java.security.cert.CertificateEncodingException; +import java.security.cert.X509Certificate; +import java.util.Arrays; +import java.util.Base64; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; + +import com.google.gson.JsonArray; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; + +import at.gv.egovernment.moa.id.auth.modules.sl20_auth.Constants; +import at.gv.egovernment.moa.id.auth.modules.sl20_auth.exceptions.SLCommandoBuildException; + +public class SL20JSONBuilderUtils { + + /** + * Create command request + * @param name + * @param params + * @throws SLCommandoBuildException + * @return + */ + public static JsonObject createCommand(String name, JsonElement params) throws SLCommandoBuildException { + JsonObject command = new JsonObject(); + addSingleStringElement(command, SL20Constants.SL20_COMMAND_CONTAINER_NAME, name, true); + addSingleJSONElement(command, SL20Constants.SL20_COMMAND_CONTAINER_PARAMS, params, true); + return command; + + } + + /** + * Create signed command request + * + * @param name + * @param params + * @param signer + * @return + * @throws SLCommandoBuildException + */ + public static String createSignedCommand(String name, JsonElement params, IJOSETools signer) throws SLCommandoBuildException { + JsonObject command = new JsonObject(); + addSingleStringElement(command, SL20Constants.SL20_COMMAND_CONTAINER_NAME, name, true); + addSingleJSONElement(command, SL20Constants.SL20_COMMAND_CONTAINER_PARAMS, params, true); + return signer.createSignature(command.toString()); + + } + + + /** + * Create encrypted command result + * + * @param result + * @param encrypter + * @return + * @throws SLCommandoBuildException + */ + public static String createEncryptedCommandoResult(JsonObject result, JsonSecurityUtils encrypter) throws SLCommandoBuildException { + //TODO: add real implementation + //create header and footer + String dummyHeader = createJsonEncryptionHeader(encrypter).toString(); + String payLoad = result.toString(); + String dummyFooter = createJsonSignedFooter(encrypter); + + return Base64.getUrlEncoder().encodeToString(dummyHeader.getBytes()) + "." + + Base64.getUrlEncoder().encodeToString(payLoad.getBytes()) + "." + + Base64.getUrlEncoder().encodeToString(dummyFooter.getBytes()); + + } + + + /** + * Create command result + * + * @param name + * @param result + * @param encryptedResult + * @throws SLCommandoBuildException + * @return + */ + public static JsonObject createCommandResponse(String name, JsonElement result, String encryptedResult) throws SLCommandoBuildException { + JsonObject command = new JsonObject(); + addSingleStringElement(command, SL20Constants.SL20_COMMAND_CONTAINER_NAME, name, true); + addOnlyOnceOfTwo(command, + SL20Constants.SL20_COMMAND_CONTAINER_RESULT, SL20Constants.SL20_COMMAND_CONTAINER_ENCRYPTEDRESULT, + result, encryptedResult); + return command; + + } + + /** + * Create command result + * + * @param name + * @param result + * @param encryptedResult + * @throws SLCommandoBuildException + * @return + */ + public static String createSignedCommandResponse(String name, JsonElement result, String encryptedResult, JsonSecurityUtils signer) throws SLCommandoBuildException { + JsonObject command = new JsonObject(); + addSingleStringElement(command, SL20Constants.SL20_COMMAND_CONTAINER_NAME, name, true); + addOnlyOnceOfTwo(command, + SL20Constants.SL20_COMMAND_CONTAINER_RESULT, SL20Constants.SL20_COMMAND_CONTAINER_ENCRYPTEDRESULT, + result, encryptedResult); + String encodedCommand = command.toString(); + + //TODO: add real implementation + //create header and footer + String dummyHeader = createJsonSignedHeader(signer).toString(); + String dummyFooter = createJsonSignedFooter(signer); + + return Base64.getUrlEncoder().encodeToString(dummyHeader.getBytes()) + "." + + Base64.getUrlEncoder().encodeToString(encodedCommand.getBytes()) + "." + + Base64.getUrlEncoder().encodeToString(dummyFooter.getBytes()); + + } + + /** + * Create parameters for Redirect command + * + * @param url + * @param command + * @param signedCommand + * @param ipcRedirect + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createRedirectCommandParameters(String url, JsonElement command, JsonElement signedCommand, Boolean ipcRedirect) throws SLCommandoBuildException{ + JsonObject redirectReqParams = new JsonObject(); + addOnlyOnceOfTwo(redirectReqParams, + SL20Constants.SL20_COMMAND_PARAM_GENERAL_REDIRECT_COMMAND, SL20Constants.SL20_COMMAND_PARAM_GENERAL_REDIRECT_SIGNEDCOMMAND, + command, signedCommand); + addSingleStringElement(redirectReqParams, SL20Constants.SL20_COMMAND_PARAM_GENERAL_REDIRECT_URL, url, false); + addSingleBooleanElement(redirectReqParams, SL20Constants.SL20_COMMAND_PARAM_GENERAL_REDIRECT_IPCREDIRECT, ipcRedirect, false); + return redirectReqParams; + + } + + /** + * Create parameters for Call command + * + * @param url + * @param method + * @param includeTransactionId + * @param reqParameters + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createCallCommandParameters(String url, String method, Boolean includeTransactionId, Map<String, String> reqParameters) throws SLCommandoBuildException { + JsonObject callReqParams = new JsonObject(); + addSingleStringElement(callReqParams, SL20Constants.SL20_COMMAND_PARAM_GENERAL_CALL_URL, url, true); + addSingleStringElement(callReqParams, SL20Constants.SL20_COMMAND_PARAM_GENERAL_CALL_METHOD, method, true); + addSingleBooleanElement(callReqParams, SL20Constants.SL20_COMMAND_PARAM_GENERAL_CALL_INCLUDETRANSACTIONID, includeTransactionId, false); + addArrayOfStringElements(callReqParams, SL20Constants.SL20_COMMAND_PARAM_GENERAL_CALL_REQPARAMETER, reqParameters); + return callReqParams; + + } + + /** + * Create result for Error command + * + * @param errorCode + * @param errorMsg + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createErrorCommandResult(String errorCode, String errorMsg) throws SLCommandoBuildException { + JsonObject result = new JsonObject(); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_GENERAL_RESPONSE_ERRORCODE, errorCode, true); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_GENERAL_RESPONSE_ERRORMESSAGE, errorMsg, true); + return result; + + } + + + /** + * Create parameters for qualifiedeID command + * + * @param authBlockId + * @param dataUrl + * @param additionalReqParameters + * @param x5cEnc + * @return + * @throws CertificateEncodingException + * @throws SLCommandoBuildException + */ + public static JsonObject createQualifiedeIDCommandParameters(String authBlockId, String dataUrl, + Map<String, String> additionalReqParameters, X509Certificate x5cEnc) throws CertificateEncodingException, SLCommandoBuildException { + JsonObject params = new JsonObject(); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_EID_AUTHBLOCKID, authBlockId, true); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_EID_DATAURL, dataUrl, true); + addArrayOfStringElements(params, SL20Constants.SL20_COMMAND_PARAM_EID_ATTRIBUTES, additionalReqParameters); + addSingleCertificateElement(params, SL20Constants.SL20_COMMAND_PARAM_EID_X5CENC, x5cEnc, false); + return params; + + } + + /** + * Create result for qualifiedeID command + * + * @param idl + * @param authBlock + * @param ccsURL + * @param LoA + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createQualifiedeIDCommandResult(byte[] idl, byte[] authBlock, String ccsURL, String LoA) throws SLCommandoBuildException { + JsonObject result = new JsonObject(); + addSingleByteElement(result, SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_IDL, idl, true); + addSingleByteElement(result, SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_AUTHBLOCK, authBlock, true); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_CCSURL, ccsURL, true); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_LOA, LoA, true); + return result; + + } + + + /** + * Create Binding-Key command parameters + * + * @param kontoId + * @param subjectName + * @param keySize + * @param keyAlg + * @param policies + * @param dataUrl + * @param x5cVdaTrust + * @param reqUserPassword + * @param x5cEnc + * @return + * @throws SLCommandoBuildException + * @throws CertificateEncodingException + */ + public static JsonObject createBindingKeyCommandParams(String kontoId, String subjectName, int keySize, String keyAlg, + Map<String, String> policies, String dataUrl, X509Certificate x5cVdaTrust, Boolean reqUserPassword, X509Certificate x5cEnc) throws SLCommandoBuildException, CertificateEncodingException { + JsonObject params = new JsonObject(); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_KONTOID, kontoId, true); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_SN, subjectName, true); + addSingleNumberElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_KEYLENGTH, keySize, true); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_KEYALG, keyAlg, true); + addArrayOfStringElements(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_POLICIES, policies); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_DATAURL, dataUrl, true); + addSingleCertificateElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_X5CVDATRUST, x5cVdaTrust, false); + addSingleBooleanElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_REQUESTUSERPASSWORD, reqUserPassword, false); + addSingleCertificateElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_X5CENC, x5cEnc, false); + return params; + + } + + /** + * Create Binding-Key command result + * + * @param appId + * @param csr + * @param attCert + * @param password + * @return + * @throws SLCommandoBuildException + * @throws CertificateEncodingException + */ + public static JsonObject createBindingKeyCommandResult(String appId, byte[] csr, X509Certificate attCert, byte[] password) throws SLCommandoBuildException, CertificateEncodingException { + JsonObject result = new JsonObject(); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_RESULT_APPID, appId, true); + addSingleByteElement(result, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_RESULT_CSR, csr, true); + addSingleCertificateElement(result, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_RESULT_KEYATTESTATIONZERTIFICATE, attCert, false); + addSingleByteElement(result, SL20Constants.SL20_COMMAND_PARAM_BINDING_CREATE_RESULT_USERPASSWORD, password, false); + return result; + + } + + /** + * Create Store Binding-Certificate command parameters + * + * @param cert + * @param dataUrl + * @return + * @throws CertificateEncodingException + * @throws SLCommandoBuildException + */ + public static JsonObject createStoreBindingCertCommandParams(X509Certificate cert, String dataUrl) throws CertificateEncodingException, SLCommandoBuildException { + JsonObject params = new JsonObject(); + addSingleCertificateElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_STORE_CERTIFICATE, cert, true); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_BINDING_STORE_DATAURL, dataUrl, true); + return params; + + } + + /** + * Create Store Binding-Certificate command result + * + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createStoreBindingCertCommandSuccessResult() throws SLCommandoBuildException { + JsonObject result = new JsonObject(); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_BINDING_STORE_RESULT_SUCESS, + SL20Constants.SL20_COMMAND_PARAM_BINDING_STORE_RESULT_SUCESS_VALUE, true); + return result; + + } + + + /** + * Create idAndPassword command parameters + * + * @param keyAlg + * @param dataUrl + * @param x5cEnc + * @return + * @throws SLCommandoBuildException + * @throws CertificateEncodingException + */ + public static JsonObject createIdAndPasswordCommandParameters(String keyAlg, String dataUrl, X509Certificate x5cEnc) throws SLCommandoBuildException, CertificateEncodingException { + JsonObject params = new JsonObject(); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_AUTH_IDANDPASSWORD_KEYALG, keyAlg, true); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_AUTH_IDANDPASSWORD_DATAURL, dataUrl, true); + addSingleCertificateElement(params, SL20Constants.SL20_COMMAND_PARAM_AUTH_IDANDPASSWORD_X5CENC, x5cEnc, false); + return params; + + } + + /** + * Create idAndPassword command result + * + * @param kontoId + * @param password + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createIdAndPasswordCommandResult(String kontoId, byte[] password) throws SLCommandoBuildException { + JsonObject result = new JsonObject(); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_AUTH_IDANDPASSWORD_RESULT_KONTOID, kontoId, true); + addSingleByteElement(result, SL20Constants.SL20_COMMAND_PARAM_AUTH_IDANDPASSWORD_RESULT_USERPASSWORD, password, true); + return result; + + } + + /** + * Create JWS Token Authentication command + * + * @param nonce + * @param dataUrl + * @param displayData + * @param displayUrl + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createJwsTokenAuthCommandParams(String nonce, String dataUrl, List<String> displayData, List<String> displayUrl) throws SLCommandoBuildException { + JsonObject params = new JsonObject(); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_AUTH_JWSTOKEN_NONCE, nonce, true); + addSingleStringElement(params, SL20Constants.SL20_COMMAND_PARAM_AUTH_JWSTOKEN_DATAURL, dataUrl, true); + addArrayOfStrings(params, SL20Constants.SL20_COMMAND_PARAM_AUTH_JWSTOKEN_DISPLAYDATA, displayData); + addArrayOfStrings(params, SL20Constants.SL20_COMMAND_PARAM_AUTH_JWSTOKEN_DISPLAYURL, displayUrl); + return params; + + } + + /** + * Create JWS Token Authentication command result + * + * @param nonce + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createJwsTokenAuthCommandResult(String nonce) throws SLCommandoBuildException { + JsonObject result = new JsonObject(); + addSingleStringElement(result, SL20Constants.SL20_COMMAND_PARAM_AUTH_JWSTOKEN_RESULT_NONCE, nonce, true); + return result; + + } + + + /** + * Create Generic Request Container + * + * @param reqId + * @param transactionId + * @param payLoad + * @param signedPayload + * @return + * @throws SLCommandoBuildException + */ + public static JsonObject createGenericRequest(String reqId, String transactionId, JsonElement payLoad, String signedPayload) throws SLCommandoBuildException { + JsonObject req = new JsonObject(); + addSingleIntegerElement(req, SL20Constants.SL20_VERSION, SL20Constants.CURRENT_SL20_VERSION, true); + addSingleStringElement(req, SL20Constants.SL20_REQID, reqId, true); + addSingleStringElement(req, SL20Constants.SL20_TRANSACTIONID, transactionId, false); + addOnlyOnceOfTwo(req, SL20Constants.SL20_PAYLOAD, SL20Constants.SL20_SIGNEDPAYLOAD, + payLoad, signedPayload); + return req; + + } + + /** + * Create Generic Response Container + * + * @param respId + * @param inResponseTo + * @param transactionId + * @param payLoad + * @param signedPayload + * @return + * @throws SLCommandoBuildException + */ + public static final JsonObject createGenericResponse(String respId, String inResponseTo, String transactionId, + JsonElement payLoad, String signedPayload) throws SLCommandoBuildException { + + JsonObject req = new JsonObject(); + addSingleIntegerElement(req, SL20Constants.SL20_VERSION, SL20Constants.CURRENT_SL20_VERSION, true); + addSingleStringElement(req, SL20Constants.SL20_RESPID, respId, true); + addSingleStringElement(req, SL20Constants.SL20_INRESPTO, inResponseTo, true); + addSingleStringElement(req, SL20Constants.SL20_TRANSACTIONID, transactionId, false); + addOnlyOnceOfTwo(req, SL20Constants.SL20_PAYLOAD, SL20Constants.SL20_SIGNEDPAYLOAD, + payLoad, signedPayload); + return req; + + } + + /** + * Add one element of two possible elements <br> + * This method adds either the first element or the second element to parent JSON, but never both. + * + * @param parent Parent JSON element + * @param firstKeyId first element Id + * @param secondKeyId second element Id + * @param first first element + * @param second second element + * @throws SLCommandoBuildException + */ + public static void addOnlyOnceOfTwo(JsonObject parent, String firstKeyId, String secondKeyId, JsonElement first, String second) throws SLCommandoBuildException { + if (first == null && (second == null || second.isEmpty())) + throw new SLCommandoBuildException(firstKeyId + " and " + secondKeyId + " is NULL"); + + else if (first != null && second != null) + throw new SLCommandoBuildException(firstKeyId + " and " + secondKeyId + " can not SET TWICE"); + + else if (first != null) + parent.add(firstKeyId, first); + + else if (second != null && !second.isEmpty()) + parent.addProperty(secondKeyId, second); + + else + throw new SLCommandoBuildException("Internal build error"); + } + + + + //TODO!!!! + private static JsonObject createJsonSignedHeader(JsonSecurityUtils signer) throws SLCommandoBuildException { + JsonObject header = new JsonObject(); + addSingleStringElement(header, SL20Constants.JSON_ALGORITHM, SL20Constants.JSON_ALGORITHM_SIGNING_RS256, true); + addSingleStringElement(header, SL20Constants.JSON_CONTENTTYPE, SL20Constants.SL20_CONTENTTYPE_SIGNED_COMMAND, true); + addArrayOfStrings(header, SL20Constants.JSON_X509_CERTIFICATE, Arrays.asList(Constants.DUMMY_SIGNING_CERT)); + + return header; + } + + //TODO!!!! + private static JsonObject createJsonEncryptionHeader(JsonSecurityUtils signer) throws SLCommandoBuildException { + JsonObject header = new JsonObject(); + addSingleStringElement(header, SL20Constants.JSON_ALGORITHM, SL20Constants.JSON_ALGORITHM_ENC_KEY_RSAOAEP, true); + addSingleStringElement(header, SL20Constants.JSON_ENCRYPTION_PAYLOAD, SL20Constants.JSON_ALGORITHM_ENC_PAYLOAD_A128CBCHS256, true); + addSingleStringElement(header, SL20Constants.JSON_CONTENTTYPE, SL20Constants.SL20_CONTENTTYPE_ENCRYPTED_RESULT, true); + addSingleStringElement(header, SL20Constants.JSON_X509_FINGERPRINT, Constants.DUMMY_SIGNING_CERT_FINGERPRINT, true); + + return header; + } + + //TODO!!!! + private static String createJsonSignedFooter(JsonSecurityUtils signer) { + return "cC4hiUPoj9Eetdgtv3hF80EGrhuB__dzERat0XF9g2VtQgr9PJbu3XOiZj5RZmh7\n" + + " AAuHIm4Bh-0Qc_lF5YKt_O8W2Fp5jujGbds9uJdbF9CUAr7t1dnZcAcQjbKBYNX4\n" + + " BAynRFdiuB--f_nZLgrnbyTyWzO75vRK5h6xBArLIARNPvkSjtQBMHlb1L07Qe7K\n" + + " 0GarZRmB_eSN9383LcOLn6_dO--xi12jzDwusC-eOkHWEsqtFZESc6BfI7noOPqv\n" + + " hJ1phCnvWh6IeYI2w9QOYEUipUTI8np6LbgGY9Fs98rqVt5AXLIhWkWywlVmtVrB\n" + + " p0igcN_IoypGlUPQGe77Rw"; + } + + + + private static void addArrayOfStrings(JsonObject parent, String keyId, List<String> values) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + if (values != null) { + JsonArray callReqParamsArray = new JsonArray(); + parent.add(keyId, callReqParamsArray ); + for(String el : values) + callReqParamsArray.add(el); + + } + } + + + private static void addArrayOfStringElements(JsonObject parent, String keyId, Map<String, String> keyValuePairs) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + if (keyValuePairs != null) { + JsonArray callReqParamsArray = new JsonArray(); + parent.add(keyId, callReqParamsArray ); + + for(Entry<String, String> el : keyValuePairs.entrySet()) { + JsonObject callReqParams = new JsonObject(); + //callReqParams.addProperty(SL20Constants.SL20_COMMAND_PARAM_GENERAL_REQPARAMETER_KEY, el.getKey()); + //callReqParams.addProperty(SL20Constants.SL20_COMMAND_PARAM_GENERAL_REQPARAMETER_VALUE, el.getValue()); + callReqParams.addProperty(el.getKey(), el.getValue()); + callReqParamsArray.add(callReqParams); + + } + } + } + + private static void addSingleCertificateElement(JsonObject parent, String keyId, X509Certificate cert, boolean isRequired) throws CertificateEncodingException, SLCommandoBuildException { + if (cert != null) + addSingleByteElement(parent, keyId, cert.getEncoded(), isRequired); + + else if (isRequired) + throw new SLCommandoBuildException(keyId + " is marked as REQUIRED"); + + } + + + + private static void addSingleByteElement(JsonObject parent, String keyId, byte[] value, boolean isRequired) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + + if (isRequired && value == null) + throw new SLCommandoBuildException(keyId + " has NULL value"); + + else if (value != null) + parent.addProperty(keyId, Base64.getEncoder().encodeToString(value)); + + } + + private static void addSingleBooleanElement(JsonObject parent, String keyId, Boolean value, boolean isRequired) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + + if (isRequired && value == null) + throw new SLCommandoBuildException(keyId + " has a NULL value"); + + else if (value != null) + parent.addProperty(keyId, value); + + } + + private static void addSingleNumberElement(JsonObject parent, String keyId, Integer value, boolean isRequired) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + + if (isRequired && value == null) + throw new SLCommandoBuildException(keyId + " has a NULL value"); + + else if (value != null) + parent.addProperty(keyId, value);; + + } + + private static void addSingleStringElement(JsonObject parent, String keyId, String value, boolean isRequired) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + + if (isRequired && (value == null || value.isEmpty())) + throw new SLCommandoBuildException(keyId + " has an empty value"); + + else if (value != null && !value.isEmpty()) + parent.addProperty(keyId, value); + + } + + private static void addSingleIntegerElement(JsonObject parent, String keyId, Integer value, boolean isRequired) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + + if (isRequired && value == null) + throw new SLCommandoBuildException(keyId + " has an empty value"); + + else if (value != null) + parent.addProperty(keyId, value); + + } + + private static void addSingleJSONElement(JsonObject parent, String keyId, JsonElement element, boolean isRequired) throws SLCommandoBuildException { + validateParentAndKey(parent, keyId); + + if (isRequired && element == null) + throw new SLCommandoBuildException("No commando name included"); + + else if (element != null) + parent.add(keyId, element); + + } + + private static void addOnlyOnceOfTwo(JsonObject parent, String firstKeyId, String secondKeyId, JsonElement first, JsonElement second) throws SLCommandoBuildException { + if (first == null && second == null) + throw new SLCommandoBuildException(firstKeyId + " and " + secondKeyId + " is NULL"); + + else if (first != null && second != null) + throw new SLCommandoBuildException(firstKeyId + " and " + secondKeyId + " can not SET TWICE"); + + else if (first != null) + parent.add(firstKeyId, first); + + else if (second != null) + parent.add(secondKeyId, second); + + else + throw new SLCommandoBuildException("Internal build error"); + } + + private static void validateParentAndKey(JsonObject parent, String keyId) throws SLCommandoBuildException { + if (parent == null) + throw new SLCommandoBuildException("NO parent JSON element"); + + if (keyId == null || keyId.isEmpty()) + throw new SLCommandoBuildException("NO JSON element identifier"); + } +} |