/**
* 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.camel.dataformat.bindy.format;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.Locale;
import org.apache.camel.dataformat.bindy.PatternFormat;
public abstract class NumberPatternFormat<T> implements PatternFormat<T> {
private String pattern;
private Locale locale;
private String decimalSeparator;
private String groupingSeparator;
private int precision;
private String rounding;
public NumberPatternFormat() {
}
public NumberPatternFormat(String pattern, Locale locale) {
this.pattern = pattern;
this.locale = locale;
}
public NumberPatternFormat(String pattern, Locale locale, int precision, String rounding, String decimalSeparator, String groupingSeparator) {
this.pattern = pattern;
this.locale = locale;
this.decimalSeparator = decimalSeparator;
this.groupingSeparator = groupingSeparator;
this.precision = precision;
this.rounding = rounding;
}
public String format(T object) throws Exception {
if (getNumberFormat() != null) {
return this.getNumberFormat().format(object);
} else {
return object.toString();
}
}
public abstract T parse(String string) throws Exception;
/**
* Gets the number format if in use.
*
* @return the number format, or <tt>null</tt> if not in use
*/
protected NumberFormat getNumberFormat() {
if (locale == null) {
return null;
}
NumberFormat format = NumberFormat.getNumberInstance(locale);
if (format instanceof DecimalFormat) {
DecimalFormat df = (DecimalFormat) format;
if (decimalSeparator != null && groupingSeparator != null) {
if (!decimalSeparator.isEmpty() && !groupingSeparator.isEmpty()) {
DecimalFormatSymbols dfs = new DecimalFormatSymbols(locale);
dfs.setDecimalSeparator(decimalSeparator.charAt(0));
dfs.setGroupingSeparator(groupingSeparator.charAt(0));
df.setDecimalFormatSymbols(dfs);
}
}
if (!pattern.isEmpty()) {
df.applyPattern(pattern);
}
}
return format;
}
public String getPattern() {
return pattern;
}
public void setPattern(String pattern) {
this.pattern = pattern;
}
public int getPrecision() {
return precision;
}
public void setPrecision(int precision) {
this.precision = precision;
}
public String getRounding() {
return rounding;
}
public void setRounding(String rounding) {
this.rounding = rounding;
}
public Locale getLocale() {
return locale;
}
public void setLocale(Locale locale) {
this.locale = locale;
}
}