1 files changed, 182 insertions, 0 deletions
diff --git a/core_common_webapp/src/main/java/at/asitplus/eidas/specific/core/provider/StatusMessageProvider.java b/core_common_webapp/src/main/java/at/asitplus/eidas/specific/core/provider/StatusMessageProvider.java
new file mode 100644
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+++ b/core_common_webapp/src/main/java/at/asitplus/eidas/specific/core/provider/StatusMessageProvider.java
@@ -0,0 +1,182 @@
+/*
+ * Copyright 2018 A-SIT Plus GmbH
+ * AT-specific eIDAS Connector has been developed in a cooperation between EGIZ,
+ * A-SIT Plus GmbH, A-SIT, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "License");
+ * You may not use this work except in compliance with the License.
+ * You may obtain a copy of the License at:
+ * https://joinup.ec.europa.eu/news/understanding-eupl-v12
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+*/
+
+package at.asitplus.eidas.specific.core.provider;
+
+import java.text.MessageFormat;
+import java.util.Locale;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.MessageSource;
+import org.springframework.context.MessageSourceAware;
+import org.springframework.context.NoSuchMessageException;
+import org.springframework.context.i18n.LocaleContextHolder;
+import org.springframework.stereotype.Service;
+
+import at.gv.egiz.eaaf.core.api.IStatusMessenger;
+import at.gv.egiz.eaaf.core.exceptions.EaafException;
+import at.gv.egiz.eaaf.core.impl.logging.LogMessageProviderFactory;
+
+@Service("StatusMessageProvider")
+public class StatusMessageProvider implements IStatusMessenger, MessageSourceAware {
+  private static final Logger log = LoggerFactory.getLogger(StatusMessageProvider.class);
+
+  private static final String ERROR_MESSAGES_UNAVAILABLE =
+      "Error messages can NOT be load from application. Only errorCode: {0} is availabe";
+  private static final String ERROR_NO_MESSAGE = "No errormesseage for error with number.={0}";
+
+  private static final String ERROR_EXTERNALERROR_CODES_UNAVAILABLE =
+      "External error-codes can NOT be load from application. Only internal errorCode: {0} is availabe";
+  private static final String ERROR_NO_EXTERNALERROR_CODE =
+      "No external error for internal error with number.={0}";
+  private static final String MSG_WARN_NO_SOURCE = "MessageCode: {} is NOT SET for locale: {}";
+  private static final String MSG_INFO = "Use locale: {} as default";
+  
+  // external error codes
+  private static final String DEFAULT_EXTERNALERROR_RESOURCES = "properties/external_statuscodes_map";
+  private static final Locale DEFAULT_EXTERNALERROR_LOCALES = new Locale("en", "GB");
+  private ResourceBundle externalError = null;
+
+  //internal messanges
+  private MessageSource messageSource;
+
+  @Override
+  public String getMessageWithoutDefault(final String messageId, final Object[] parameters) {
+    if (messageSource == null) {
+      return null;
+
+    } else {
+      try {
+        final Locale locale = LocaleContextHolder.getLocale();
+        return messageSource.getMessage(messageId, parameters, locale);
+
+      } catch (final NoSuchMessageException e) {
+        log.info(MSG_WARN_NO_SOURCE, messageId, LocaleContextHolder.getLocale());
+        log.debug(MSG_INFO, Locale.ENGLISH);
+
+        try {
+          return messageSource.getMessage(messageId, parameters, Locale.ENGLISH);
+
+        } catch (final NoSuchMessageException e2) {
+          log.info(MSG_WARN_NO_SOURCE, messageId, Locale.ENGLISH);
+
+        }
+
+      } catch (final MissingResourceException e2) {
+        log.warn("No message source", e2);
+
+      }
+    }
+
+    return null;
+
+  }
+
+  @Override
+  public String getMessage(final String messageId, final Object[] parameters) {
+    if (messageSource == null) {
+      return MessageFormat.format(ERROR_MESSAGES_UNAVAILABLE, new Object[]{messageId});
+
+    } else {
+      try {
+        final Locale locale = LocaleContextHolder.getLocale();
+        return messageSource.getMessage(messageId, parameters, locale);
+
+      } catch (final NoSuchMessageException e) {
+        log.info(MSG_WARN_NO_SOURCE, messageId, LocaleContextHolder.getLocale());
+        log.debug(MSG_INFO, Locale.ENGLISH);
+
+        try {
+          return messageSource.getMessage(messageId, parameters, Locale.ENGLISH);
+
+        } catch (final NoSuchMessageException e2) {
+          return MessageFormat.format(ERROR_NO_MESSAGE, new Object[]{messageId});
+
+        }
+
+      } catch (final MissingResourceException e2) {
+        return MessageFormat.format(ERROR_NO_MESSAGE, new Object[]{messageId});
+
+      }
+    }
+  }
+  
+  @Override
+  public String getResponseErrorCode(Throwable throwable) {
+    String errorCode = IStatusMessenger.CODES_EXTERNAL_ERROR_GENERIC;
+    if (throwable instanceof EaafException) {
+      errorCode = ((EaafException) throwable).getErrorId();
+      
+    }
+        
+    return errorCode;
+
+  }
+
+  @Override
+  public String mapInternalErrorToExternalError(String intErrorCode) {
+    // initialize messages
+    if (externalError == null) {
+      this.externalError = ResourceBundle.getBundle(
+          DEFAULT_EXTERNALERROR_RESOURCES,
+          DEFAULT_EXTERNALERROR_LOCALES);
+
+    }
+
+    // create the message
+    if (externalError == null) {
+      log.warn(MessageFormat.format(ERROR_EXTERNALERROR_CODES_UNAVAILABLE, new Object[] { intErrorCode }));
+      return IStatusMessenger.CODES_EXTERNAL_ERROR_GENERIC;
+
+    } else {
+      try {
+        if (StringUtils.isNotEmpty(intErrorCode)) {
+          return externalError.getString(intErrorCode);
+
+        } else {
+          return IStatusMessenger.CODES_EXTERNAL_ERROR_GENERIC;
+
+        }
+
+      } catch (final MissingResourceException e2) {
+        log.info(MessageFormat.format(ERROR_NO_EXTERNALERROR_CODE, new Object[] { intErrorCode }));
+        return IStatusMessenger.CODES_EXTERNAL_ERROR_GENERIC;
+
+      }
+    }
+  }
+
+  @Override
+  public void setMessageSource(MessageSource messageSource) {
+    this.messageSource = messageSource;
+
+    log.info("Injecting 'StatusMessanger' into 'LogMessageProviderFactory'");
+    LogMessageProviderFactory.setStatusMessager(this);
+    
+  }
+
+}