code: /**
   * This file is part of Eclipse Steady.
   *
   * 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.backend.requests;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.eclipse.steady.backend.HttpResponse;
  
  /**
   * <p>ContentCondition class.</p>
   */
  public class ContentCondition implements ResponseCondition {
  
    public enum Mode {
      MATCH,
      EQ_STRING,
      LT_DOUBLE,
      GT_DOUBLE
    }
  
    private String regex = null;
  
    private Mode mode = Mode.MATCH;
  
    private String value = null;
  
    private Pattern pattern = null; // Pattern.compile("\\\"constructCounter\\\"\\s*:\\s*[\\d]*");
  
    /**
     * <p>Constructor for ContentCondition.</p>
     *
     * @param _regex a {@link java.lang.String} object.
     * @param _mode a {@link org.eclipse.steady.backend.requests.ContentCondition.Mode} object.
     * @param _value a {@link java.lang.String} object.
     */
    public ContentCondition(String _regex, Mode _mode, String _value) {
      this.regex = _regex;
      this.pattern = Pattern.compile(this.regex);
      this.mode = _mode;
      this.value = _value;
    }
  
    /**
     * {@inheritDoc}
     *
     * Returns true if the content of the given {@link HttpResponse} matches the regular expression of the condition, false otherwise.
     */
    @Override
    public boolean meetsCondition(HttpResponse _response) {
      if (_response == null || !_response.hasBody()) return false;
  
      boolean meets = false;
      final Matcher m = pattern.matcher(_response.getBody());
      if (this.mode.equals(Mode.MATCH)) {
        meets = m.matches();
      } else if (this.mode.equals(Mode.EQ_STRING)) {
        meets = m.find() && this.value.equals(m.group(1));
      } else if (this.mode.equals(Mode.LT_DOUBLE)) {
        if (m.find()) {
          double actual = Double.parseDouble(m.group(1));
          meets = actual < Double.parseDouble(this.value);
        }
      } else if (this.mode.equals(Mode.GT_DOUBLE)) {
        if (m.find()) {
          double actual = Double.parseDouble(m.group(1));
          meets = actual > Double.parseDouble(this.value);
        }
      }
  
      return meets;
    }
  
    /**
     * <p>toString.</p>
     *
     * @return a {@link java.lang.String} object.
     */
    public String toString() {
      return "[body " + this.mode + " " + this.value + "]";
    }
  }
  