/**
    *       Copyright 2010 Newcastle University
    *
    *          http://research.ncl.ac.uk/smart/
    *
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * 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.
   */
  
  package org.apache.amber.oauth2.common.exception;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.amber.oauth2.common.utils.OAuthUtils;
  
  /**
   *
   *
   *
   */
  public final class OAuthProblemException extends Exception {
  
      private String error;
      private String description;
      private String uri;
      private String state;
      private String scope;
      private String redirectUri;
  
      private int responseStatus;
  
      private Map<String, String> parameters = new HashMap<String, String>();
  
      private OAuthProblemException(String error) {
          this(error, "");
      }
  
      private OAuthProblemException(String error, String description) {
          super(error + " " + description);
          this.description = description;
          this.error = error;
      }
  
  
      public static OAuthProblemException error(String error) {
          return new OAuthProblemException(error);
      }
  
      public static OAuthProblemException error(String error, String description) {
          return new OAuthProblemException(error, description);
      }
  
      public OAuthProblemException description(String description) {
          this.description = description;
          return this;
      }
  
      public OAuthProblemException uri(String uri) {
          this.uri = uri;
          return this;
      }
  
      public OAuthProblemException state(String state) {
          this.state = state;
          return this;
      }
  
      public OAuthProblemException scope(String scope) {
          this.scope = scope;
          return this;
      }
  
      public OAuthProblemException responseStatus(int responseStatus) {
          this.responseStatus = responseStatus;
          return this;
      }
  
      public OAuthProblemException setParameter(String name, String value) {
          parameters.put(name, value);
          return this;
      }
  
      public String getError() {
          return error;
      }
  
     public String getDescription() {
         return description;
     }
 
     public String getUri() {
         return uri;
     }
 
     public String getState() {
         return state;
     }
 
     public String getScope() {
         return scope;
     }
 
     public int getResponseStatus() {
         return responseStatus == 0 ? 400 : responseStatus;
     }
 
     public String get(String name) {
         return parameters.get(name);
     }
 
     public Map<String, String> getParameters() {
         return parameters;
     }
 
     public String getRedirectUri() {
         return redirectUri;
     }
 
     public void setRedirectUri(String redirectUri) {
         this.redirectUri = redirectUri;
     }
 
     @Override
     public String getMessage() {
         StringBuffer b = new StringBuffer();
         if (!OAuthUtils.isEmpty(error)) {
             b.append(error);
         }
 
         if (!OAuthUtils.isEmpty(description)) {
             b.append(", ").append(description);
         }
 
 
         if (!OAuthUtils.isEmpty(uri)) {
             b.append(", ").append(uri);
         }
 
 
         if (!OAuthUtils.isEmpty(state)) {
             b.append(", ").append(state);
         }
 
         if (!OAuthUtils.isEmpty(scope)) {
             b.append(", ").append(scope);
         }
 
         return b.toString();
     }
 
     @Override
     public String toString() {
         return "OAuthProblemException{"
             + "description='" + description + '\''
             + ", error='" + error + '\''
             + ", uri='" + uri + '\''
             + ", state='" + state + '\''
             + ", scope='" + scope + '\''
             + '}';
     }
 }