src/io/appium/droiddriver/validators/FirstApplicableValidator.java


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/*
 * Copyright (C) 2013 DroidDriver committers
 *
 * 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 io.appium.droiddriver.validators;

import io.appium.droiddriver.UiElement;
import io.appium.droiddriver.actions.Action;

/**
 * Iterates an array of validators and validates against the first one that is
 * applicable. Note the order of validators matters.
 */
public class FirstApplicableValidator implements Validator {
  private final Validator[] validators;

  public FirstApplicableValidator(Validator... validators) {
    this.validators = validators;
  }

  @Override
  public boolean isApplicable(UiElement element, Action action) {
    return true;
  }

  @Override
  public String validate(UiElement element, Action action) {
    for (Validator validator : validators) {
      if (validator.isApplicable(element, action)) {
        return validator.validate(element, action);
      }
    }
    return "no applicable validator";
  }
}