Trim all of the supplied leading character from the given String - Android java.lang

Android examples for java.lang:String Strip

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Description

Trim all of the supplied leading character from the given String

Demo Code

/*//from   w ww.j  a  va 2  s. c  o  m
 * 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 {

  /**
   * Trim all of the supplied leading character from the given String.
   * 
   * @param str
   *          the String to check
   * @param leadingCharacter
   *          the leading character to be trimmed
   * @return the trimmed String
   */
  public static String trimLeadingCharacter(String str, char leadingCharacter) {
    if (!hasLength(str)) {
      return str;
    }
    StringBuffer buf = new StringBuffer(str);
    while (buf.length() > 0 && buf.charAt(0) == leadingCharacter) {
      buf.deleteCharAt(0);
    }
    return buf.toString();
  }

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

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