content: /*
   * Copyright (C) 2015 The Android Open Source Project
   *
   * 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 androidx.test.espresso.web.model;
  
  import static androidx.test.internal.util.Checks.checkNotNull;
  
  import androidx.test.espresso.remote.annotation.RemoteMsgConstructor;
  import androidx.test.espresso.remote.annotation.RemoteMsgField;
  import java.util.Map;
  import org.json.JSONException;
  import org.json.JSONStringer;
  
  /**
   * A reference to a javascript element existing within a WebView.
   *
   * <p>This reference is only a pointer to data held within the javascript context of a given
   * WebView. It may no longer be valid the next time you attempt to use it. For instance the page
   * could be navigated away from. There is not much you can use an ElementReference for in Java, it
   * exists primarily to pass back to a WebView for further action.
   */
  public final class ElementReference implements JSONAble {
    static final String KEY = "ELEMENT";
  
    @RemoteMsgField(order = 0)
    final String opaque;
  
    @Override
    public int hashCode() {
      return opaque.hashCode();
    }
  
    @Override
    public boolean equals(Object other) {
      if (other instanceof ElementReference) {
        return (((ElementReference) other).opaque.equals(opaque));
      } else {
        return false;
      }
    }
  
    @Override
    public String toString() {
      return toJSONString();
    }
  
    @RemoteMsgConstructor
    ElementReference(String opaque) {
      this.opaque = checkNotNull(opaque);
    }
  
    String getOpaque() {
      return opaque;
    }
  
    @Override
    public String toJSONString() {
      try {
        return new JSONStringer().object().key(KEY).value(opaque).endObject().toString();
      } catch (JSONException je) {
        throw new RuntimeException(je);
      }
    }
  
    static final JSONAble.DeJSONFactory DEJSONIZER =
        new JSONAble.DeJSONFactory() {
          @Override
          public Object attemptDeJSONize(Map<String, Object> map) {
            if (map.size() == 1) {
              Object maybeOpaque = map.get(KEY);
              if (maybeOpaque instanceof String) {
                return new ElementReference((String) maybeOpaque);
              }
            }
            return null;
          }
        };
  }
  