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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC 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.openqa.selenium.remote.server.handler;

import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.server.Session;

import java.util.Map;

public abstract class WebElementHandler extends WebDriverHandler {
  private volatile String elementId;

  protected WebElementHandler(Session session) {
    super(session);
  }

  @Override
  public void setJsonParameters(Map allParameters) throws Exception {
    super.setJsonParameters(allParameters);
    elementId = (String) allParameters.get("id");
  }

  protected WebElement getElement() {
    return getKnownElements().get(elementId);
  }

  protected String getElementId() {
    return elementId;
  }

  protected String getElementAsString() {
    try {
      return elementId + " " + getElement();
    } catch (RuntimeException e) {
      // Be paranoid!
    }

    return elementId + " unknown";
  }
}