| /* |
| * 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 |
| * |
| * 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. |
| */ |
| package org.apache.myfaces.util; |
| |
| |
| /** |
| * TODO: Move to util package and rename to better name |
| * |
| * @author Manfred Geiler (latest modification by $Author$) |
| * @version $Revision$ $Date$ |
| */ |
| public final class ConverterUtils |
| { |
| private ConverterUtils() {} |
| |
| |
| public static int convertToInt(Object value) |
| { |
| if (value instanceof Number) |
| { |
| return ((Number) value).intValue(); |
| } |
| else if (value instanceof String) |
| { |
| try |
| { |
| return Integer.parseInt((String) value); |
| } |
| catch (NumberFormatException e) |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to int"); |
| } |
| } |
| else |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to int"); |
| } |
| } |
| |
| public static boolean convertToBoolean(Object value) |
| { |
| if (value instanceof Boolean) |
| { |
| return ((Boolean) value); |
| } |
| else if (value instanceof String) |
| { |
| try |
| { |
| return Boolean.parseBoolean((String) value); |
| } |
| catch (Exception e) |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to boolean"); |
| } |
| } |
| else |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to boolean"); |
| } |
| } |
| |
| public static long convertToLong(Object value) |
| { |
| if (value instanceof Number) |
| { |
| return ((Number) value).longValue(); |
| } |
| else if (value instanceof String) |
| { |
| try |
| { |
| return Long.parseLong((String) value); |
| } |
| catch (NumberFormatException e) |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to long"); |
| } |
| } |
| else |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to long"); |
| } |
| } |
| |
| public static double convertToDouble(Object value) |
| { |
| if (value instanceof Number) |
| { |
| return ((Number) value).doubleValue(); |
| } |
| else if (value instanceof String) |
| { |
| try |
| { |
| return Double.parseDouble((String) value); |
| } |
| catch (NumberFormatException e) |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to double"); |
| } |
| } |
| else |
| { |
| throw new IllegalArgumentException("Cannot convert " + value.toString() + " to double"); |
| } |
| } |
| |
| |
| } |