AttributeConverterForInteger


1   /*
2    * Copyright 2006 Google Inc.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5    * use this file except in compliance with the License. You may obtain a copy of
6    * the License at
7    * 
8    * http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations under
14   * the License.
15   */
16  package com.google.gwt.dev.util.xml;
17  
18  import com.google.gwt.core.ext.UnableToCompleteException;
19  
20  /**
21   * Subclass for converting strings into Integer.
22   */
23  public class AttributeConverterForInteger extends AttributeConverter {
24    public Object   convertToArg(Schema schema, int lineNumber, String   elemName,
25        String   attrName, String   attrValue) throws UnableToCompleteException {
26      try {
27        return Integer.valueOf(attrValue);
28      } catch (NumberFormatException   e) {
29        schema.onBadAttributeValue(lineNumber, elemName, attrName, attrValue,
30          Integer  .class);
31        return null;
32      }
33    }
34  }

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