/*
* Copyright 2006 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.
*/
package com.google.gwt.dev.util.xml;
import com.google.gwt.core.ext.UnableToCompleteException;
/**
* Converts from a string to the type needed.
*/
public abstract class AttributeConverter {
/**
* Converts from a string to the type needed.
* Does not throw conversion-related exceptions.
* @param value
* the value to convert
* @param schema
* used to report conversion problems
* @return
* the argument converted to a form that is expected to compatible with
* the associated parameter and will work for a reflection "invoke()" call;
* <code>null</code> if the conversion failed.
*/
public abstract Object convertToArg(Schema schema, int line,
String elem, String attr, String value) throws UnableToCompleteException;
}