/*
* 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.tobago.convert;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.myfaces.tobago.component.Attributes;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
@org.apache.myfaces.tobago.apt.annotation.Converter(id = DurationConverter.CONVERTER_ID)
public class DurationConverter implements Converter {
private static final Logger LOG = LoggerFactory.getLogger(DurationConverter.class);
public static final String CONVERTER_ID = "org.apache.myfaces.tobago.Duration";
private static final String NANO = "nano";
private static final String MILLI = "milli";
private static final String SECOND = "second";
private static final String MINUTE = "minute";
private static final String HOUR = "hour";
private static final String DAY = "day";
private static final String YEAR = "year";
public String getAsString(
FacesContext facesContext, UIComponent component, Object object)
throws ConverterException {
if (object == null || object instanceof String) {
return (String) object;
}
double aDouble = ((Number) object).doubleValue();
boolean negative = false;
if (aDouble < 0) {
negative = true;
aDouble = -aDouble;
}
double factor = getUnitFactor(component);
aDouble = aDouble * factor;
NumberFormat format = new DecimalFormat("00");
long value = Double.valueOf(aDouble).longValue();
int seconds = (int) (value % 60);
value = value / 60;
int minutes = (int) (value % 60);
value = value / 60;
String string;
if (value > 0) {
string = (negative ? "-" : "") + value + ":"
+ format.format(minutes) + ":"
+ format.format(seconds);
} else {
string = (negative ? "-" : "") + minutes + ":"
+ format.format(seconds);
}
if (LOG.isDebugEnabled()) {
LOG.debug("string = '{}'", string);
}
return string;
}
public Object getAsObject(
FacesContext facesContext, UIComponent component, String string)
throws ConverterException {
boolean negative = string.indexOf('-') > -1;
StringTokenizer tokenizer = new StringTokenizer(string, " :-");
List elements = new ArrayList();
while (tokenizer.hasMoreElements()) {
elements.add(tokenizer.nextElement());
}
int hours = 0;
int minutes;
int seconds;
switch (elements.size()) {
case 3:
hours = Integer.parseInt((String) elements.get(0));
minutes = Integer.parseInt((String) elements.get(1));
seconds = Integer.parseInt((String) elements.get(2));
break;
case 2:
minutes = Integer.parseInt((String) elements.get(0));
seconds = Integer.parseInt((String) elements.get(1));
break;
default:
throw new ConverterException("Cannot parse string='" + string + "'");
}
double factor = getUnitFactor(component);
long value = (long) (((hours * 60L + minutes) * 60L + seconds) / factor);
if (negative) {
return Long.valueOf(-value);
} else {
return Long.valueOf(value);
}
}
private static double getUnitFactor(UIComponent component) {
String unit = null;
if (component != null) {
unit = (String) component.getAttributes().get(Attributes.UNIT);
}
double factor;
if (unit == null) {
factor = 0.001;
} else if (NANO.equals(unit)) {
factor = 0.000000001;
} else if (MILLI.equals(unit)) {
factor = 0.001;
} else if (SECOND.equals(unit)) {
factor = 1.0;
} else if (MINUTE.equals(unit)) {
factor = 60.0;
} else if (HOUR.equals(unit)) {
factor = 3600.0;
} else if (DAY.equals(unit)) {
factor = 86400.0;
} else if (YEAR.equals(unit)) {
factor = 31556736.0;
} else {
LOG.warn("Unsupported unit: '" + unit + "'");
factor = 0.001;
}
return factor;
}
}