com.google.gwt.uibinder.attributeparsers.DoubleAttributeParser Maven / Gradle / Ivy
/*
* Copyright 2009 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.uibinder.attributeparsers;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JType;
import com.google.gwt.uibinder.rebind.MortalLogger;
import com.google.gwt.uibinder.rebind.XMLElement;
/**
* Parses a single double attribute.
*/
class DoubleAttributeParser extends StrictAttributeParser {
DoubleAttributeParser(FieldReferenceConverter converter,
JType doubleType, MortalLogger logger) {
super(converter, logger, doubleType);
}
@Override
public String parse(XMLElement source, String value) throws UnableToCompleteException {
try {
Double.parseDouble(value);
// Happy double
return value;
} catch (NumberFormatException e) {
// Not a double, maybe super sees a field ref
}
String fieldMaybe = super.parse(source, value);
if ("".equals(fieldMaybe)) {
return "";
}
return "(double)" + fieldMaybe;
}
}