jvmMain.com.giancarlobuenaflor.kflogger.parameter.DateTimeParameter Maven / Gradle / Ivy
/*
* Copyright (C) 2014 The Flogger Authors.
*
* 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.giancarlobuenaflor.kflogger.parameter;
import com.giancarlobuenaflor.kflogger.backend.FormatOptions;
/**
* A parameter for formatting date/time arguments.
*
* This class is immutable and thread safe, as per the Parameter contract.
*/
public final class DateTimeParameter extends Parameter {
/**
* Returns a {@link Parameter} representing the given formatting options of the specified
* date/time formatting character. Note that a cached value may be returned.
*
* @param format specifier for the specific date/time formatting to be applied.
* @param options the validated formatting options.
* @param index the argument index.
* @return the immutable, thread safe parameter instance.
*/
public static Parameter of(DateTimeFormat format, FormatOptions options, int index) {
return new DateTimeParameter(options, index, format);
}
private final DateTimeFormat format;
private final String formatString;
private DateTimeParameter(FormatOptions options, int index, DateTimeFormat format) {
super(options, index);
this.format = format;
this.formatString =
options
.appendPrintfOptions(new StringBuilder("%"))
.append(options.shouldUpperCase() ? 'T' : 't')
.append(format.getChar())
.toString();
}
@Override
protected void accept(ParameterVisitor visitor, Object value) {
visitor.visitDateTime(value, format, getFormatOptions());
}
@Override
public String getFormat() {
return formatString;
}
}