content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF 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
   *
   *      https://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.apache.tools.ant.taskdefs.condition;
  
  import org.apache.tools.ant.BuildException;
  
  /**
   * Is one string part of another string?
   *
   *
   * @since Ant 1.5
   */
  public class Contains implements Condition {
  
      private String string, subString;
      private boolean caseSensitive = true;
  
      /**
       * The string to search in.
       * @param string the string to search in
       * @since Ant 1.5
       */
      public void setString(String string) {
          this.string = string;
      }
  
      /**
       * The string to search for.
       * @param subString the string to search for
       * @since Ant 1.5
       */
      public void setSubstring(String subString) {
          this.subString = subString;
      }
  
      /**
       * Whether to search ignoring case or not.
       * @param b if false, ignore case
       * @since Ant 1.5
       */
      public void setCasesensitive(boolean b) {
          caseSensitive = b;
      }
  
      /**
       * @since Ant 1.5
       * @return true if the substring is within the string
       * @exception BuildException if the attributes are not set correctly
       */
      @Override
      public boolean eval() throws BuildException {
          if (string == null || subString == null) {
              throw new BuildException(
                  "both string and substring are required in contains");
          }
  
          return caseSensitive
              ? string.contains(subString)
              : string.toLowerCase().contains(subString.toLowerCase());
      }
  }
  