/*
 * Copyright 2010-2012 Luca Garulli (l.garulli--at--orientechnologies.com)
 *
 * Licensed 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 com.orientechnologies.orient.server.network.protocol.http;

import java.util.Map;

/**
 * Wrapper to use the HTTP request in functions and scripts. This class mimics the J2EE HTTPRequest class.
 * 
 * @author Luca Garulli (l.garulli--at--orientechnologies.com)
 * 
 */
public class OHttpRequestWrapper {
  private final OHttpRequest request;
  private final String[]     args;

  public OHttpRequestWrapper(final OHttpRequest iRequest) {
    this.request = iRequest;
    this.args = null;
  }

  public OHttpRequestWrapper(final OHttpRequest iRequest, final String[] iArgs) {
    this.request = iRequest;
    this.args = iArgs;
  }

  /**
   * Returns the request's content.
   * 
   * @return The content in form of String
   */
  public String getContent() {
    return request.content;
  }

  /**
   * Gets the request's user name.
   * 
   * @return The user name in form of String
   */
  public String getUser() {
    return request.getUser();
  }

  /**
   * Returns the request's content type.
   * 
   * @return The content type in form of String
   */
  public String getContentType() {
    return request.contentType;
  }

  /**
   * Return the request's HTTP version.
   * 
   * @return The HTTP method version in form of String
   */
  public String getHttpVersion() {
    return request.httpVersion;
  }

  /**
   * Return the request's HTTP method called.
   * 
   * @return The HTTP method name in form of String
   */
  public String getHttpMethod() {
    return request.httpMethod;
  }

  /**
   * Return the request's IF-MATCH header.
   * 
   * @return The if-match header in form of String
   */
  public String getIfMatch() {
    return request.ifMatch;
  }

  /**
   * Returns if the requests has multipart.
   * 
   * @return true if is multipart, otherwise false
   */
  public boolean isMultipart() {
    return request.isMultipart;
  }

  /**
   * Returns the call's argument passed in REST form. Example: /2012/10/26
   * 
   * @return Array of arguments
   */
  public String[] getArguments() {
    return args;
  }

  /**
   * Returns the argument by position
   * 
   * @return Array of arguments
   */
  public String getArgument(final int iPosition) {
    return args != null && args.length > iPosition ? args[iPosition] : null;
  }

  /**
   * Returns the request's parameters.
   * 
   * @return The parameters as a Map<String,String>
   */
  public Map<String, String> getParameters() {
    return request.parameters;
  }

  /**
   * Returns the request's parameter.
   * 
   * @return The parameter value if any otherwise null
   */
  public String getParameter(final String iName) {
    return request.parameters != null ? request.parameters.get(iName) : null;
  }

  /**
   * Checks how many parameters have been received.
   * 
   * @return The number of parameters found between the passed ones
   */
  public int hasParameters(final String... iNames) {
    int found = 0;

    if (iNames != null && request.parameters != null)
      for (String name : iNames)
        found += request.parameters.containsKey(name) ? 1 : 0;

    return found;
  }

  /**
   * Returns the session-id.
   * 
   * @return The session-id in form of String
   */
  public String getSessionId() {
    return request.sessionId;
  }

  /**
   * Returns the request's URL.
   * 
   * @return The URL requested in form of String
   */
  public String getURL() {
    return request.url;
  }

  public String getRemoteAddress() {
    return request.getRemoteAddress();
  }
}
