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/*
* 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.struts2.interceptor;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.struts2.dispatcher.Parameter;
import org.apache.struts2.dispatcher.HttpParameters;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.Map.Entry;
public class DateTextFieldInterceptor extends AbstractInterceptor {
private static final Logger LOG = LogManager.getLogger(DateTextFieldInterceptor.class);
public static enum DateWord {
S("millisecond", 3, "SSS"),
s("second", 2, "ss"),
m("minute", 2, "mm"),
H("hour", 2, "HH"),
d("day", 2, "dd"),
M("month", 2, "MM"),
y("year", 4, "yyyy");
private String description;
private Integer length;
private String dateType;
DateWord(String n, Integer l, String t) {
description = n;
length = l;
dateType = t;
}
public String getDescription() {
return description;
}
public Integer getLength() {
return length;
}
public String getDateType() {
return dateType;
}
public static DateWord get(Character c) {
return valueOf(DateWord.class, c.toString());
}
public static DateWord[] getAll() {
return values();
}
}
public String intercept(ActionInvocation ai) throws Exception {
HttpParameters parameters = ai.getInvocationContext().getParameters();
Map> dates = new HashMap<>();
DateWord[] dateWords = DateWord.getAll();
// Get all the values of date type
Set names = parameters.keySet();
for (String name : names) {
for (DateWord dateWord : dateWords) {
String dateKey = "__" + dateWord.getDescription() + "_";
if (name.startsWith(dateKey)) {
String key = name.substring(dateKey.length());
Parameter param = parameters.get(name);
if (param.isDefined()) {
Map map = dates.get(key);
if (map == null) {
map = new HashMap<>();
dates.put(key, map);
}
map.put(dateWord.getDateType(), param.getValue());
parameters = parameters.remove(name);
}
break;
}
}
}
// Create all the date objects
Map newParams = new HashMap<>();
Set>> dateEntries = dates.entrySet();
for (Entry> dateEntry : dateEntries) {
Set> dateFormatEntries = dateEntry.getValue().entrySet();
String dateFormat = "";
String dateValue = "";
for (Entry dateFormatEntry : dateFormatEntries) {
dateFormat += dateFormatEntry.getKey() + "__";
dateValue += dateFormatEntry.getValue() + "__";
}
try {
SimpleDateFormat formatter = new SimpleDateFormat(dateFormat);
formatter.setLenient(false);
Date value = formatter.parse(dateValue);
newParams.put(dateEntry.getKey(), new Parameter.Request(dateEntry.getKey(), value));
} catch (ParseException e) {
LOG.warn("Cannot parse the parameter '{}' with format '{}' and with value '{}'", dateEntry.getKey(), dateFormat, dateValue);
}
}
ai.getInvocationContext().getParameters().appendAll(newParams);
return ai.invoke();
}
}