Split a String at the first occurrence of the delimiter. - Android java.lang

Android examples for java.lang:String Split

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Description

Split a String at the first occurrence of the delimiter.

Demo Code

/*// w w w .  ja  v  a2  s  . c om
 * Copyright (C) 2012 Google Inc.
 *
 * 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.
 */
public class Main {

  /**
   * Split a String at the first occurrence of the delimiter.
   * Does not include the delimiter in the result.
   * @param toSplit the string to split
   * @param delimiter to split the string up with
   * @return a two element array with index 0 being before the delimiter, and
   * index 1 being after the delimiter (neither element includes the delimiter);
   * or <code>null</code> if the delimiter wasn't found in the given input String
   */
  public static String[] split(String toSplit, String delimiter) {
      if (!hasLength(toSplit) || !hasLength(delimiter)) {
          return null;
      }
      int offset = toSplit.indexOf(delimiter);
      if (offset < 0) {
          return null;
      }
      String beforeDelimiter = toSplit.substring(0, offset);
      String afterDelimiter = toSplit.substring(offset
              + delimiter.length());
      return new String[] { beforeDelimiter, afterDelimiter };
  }

  public static boolean hasLength(CharSequence str) {
    return (str != null && str.length() > 0);
  }
}

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