/*
 * 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.command;

import java.util.Map;

import com.orientechnologies.orient.core.id.ORecordId;
import com.orientechnologies.orient.core.serialization.serializer.OStringSerializerHelper;
import com.orientechnologies.orient.server.network.protocol.http.OHttpRequest;

public abstract class OServerCommandDocumentAbstract extends OServerCommandAuthenticatedDbAbstract {

  protected String bindToFields(final OHttpRequest iRequest, final Map<String, String> iFields, final ORecordId iRid)
      throws Exception {
    if (iRequest.content == null)
      throw new IllegalArgumentException("HTTP Request content is empty");

    final String req = iRequest.content;

    // PARSE PARAMETERS
    String className = null;

    final String[] params = req.split("&");
    String value;

    for (String p : params) {
      if (OStringSerializerHelper.contains(p, '=')) {
        String[] pairs = p.split("=");
        value = pairs.length == 1 ? null : pairs[1];

        if ("0".equals(pairs[0]) && iRid != null)
          iRid.fromString(value);
        else if ("1".equals(pairs[0]))
          className = value;
        else if (pairs[0].startsWith("_") || pairs[0].equals("id"))
          continue;
        else if (iFields != null) {
          iFields.put(pairs[0], value);
        }
      }
    }
    return className;
  }
}
