1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.util.format;
21  
22  import com.liferay.portal.kernel.util.StringUtil;
23  
24  /**
25   * <a href="USAPhoneNumberFormat.java.html"><b><i>View Source</i></b></a>
26   *
27   * @author Brian Wing Shun Chan
28   *
29   */
30  public class USAPhoneNumberFormat implements PhoneNumberFormat {
31  
32      public String format(String phoneNumber) {
33          if (phoneNumber == null) {
34              return "";
35          }
36  
37          if (phoneNumber.length() > 10) {
38              return "(" + phoneNumber.substring(0,3) + ") " +
39                      phoneNumber.substring(3,6) + "-" +
40                      phoneNumber.substring(6,10) +
41                      " x" + phoneNumber.substring(10, phoneNumber.length());
42          }
43          else if (phoneNumber.length() == 10) {
44              return "(" + phoneNumber.substring(0,3) + ") " +
45                      phoneNumber.substring(3,6) + "-" +
46                      phoneNumber.substring(6,10);
47          }
48          else if (phoneNumber.length() == 7) {
49              return phoneNumber.substring(0,3) + "-" +
50                     phoneNumber.substring(3,7);
51          }
52          else {
53              return phoneNumber;
54          }
55      }
56  
57      public String strip(String phoneNumber) {
58          return StringUtil.extractDigits(phoneNumber);
59      }
60  
61  }