DateRepeatFunctions.java
/*
* Copyright 2015 gregorygraham.
*
* 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 nz.co.gregs.dbvolution.internal.h2;
import java.sql.SQLException;
import java.sql.Statement;
/**
*
* <p style="color: #F90;">Support DBvolution at
* <a href="http://patreon.com/dbvolution" target=new>Patreon</a></p>
*
* @author gregorygraham
*/
public enum DateRepeatFunctions implements DBVFeature {
/**
*
*/
CREATE("String", "Date original, Date compareTo", ""
+ "import java.util.*;",
" if (original==null||compareTo==null){return null;}\n"
+ " int years = original.getYear() - compareTo.getYear();\n"
+ " int months = original.getMonth() - compareTo.getMonth();\n"
+ " int days = original.getDate() - compareTo.getDate();\n"
+ " int hours = original.getHours() - compareTo.getHours();\n"
+ " int minutes = original.getMinutes() - compareTo.getMinutes();\n"
+ " int millis = (int) ((original.getTime() - ((original.getTime() / 1000) * 1000)) - (compareTo.getTime() - ((compareTo.getTime() / 1000) * 1000)));\n"
+ " double seconds = original.getSeconds() - compareTo.getSeconds()+(millis/1000.0);\n"
+ " String dateRepeatString = \"P\" + years + \"Y\" + months + \"M\" + days + \"D\" + hours + \"h\" + minutes + \"n\" + seconds + \"s\";\n"
+ " return dateRepeatString;"
+ ""),
/**
*
*/
EQUALS("boolean", "String original, String compareTo",""
+ "import java.util.*;",
" if (original==null||compareTo==null){return false;}\n"
+ " String[] splitOriginal = original.split(\"[A-Za-z]\");\n"
+ " String[] splitCompareTo = compareTo.split(\"[A-Za-z]\");\n"
+ " for (int i = 1; i < splitCompareTo.length; i++) { // Start at 1 because the first split is empty\n"
+ " double intOriginal = Double.parseDouble(splitOriginal[i]);\n"
+ " double intCompareTo = Double.parseDouble(splitCompareTo[i]);\n"
+ " if (intOriginal > intCompareTo) {\n"
+ " return false;\n"
+ " }\n"
+ " if (intOriginal < intCompareTo) {\n"
+ " return false;\n"
+ " }\n"
+ " }\n"
+ " return true;\n"),
/**
*
*/
NOTEQUALS("boolean", "String original, String compareTo",""
+ "import java.util.*;",
" if (original==null||compareTo==null){return false;}\n"
+ " String[] splitOriginal = original.split(\"[A-Za-z]\");\n"
+ " String[] splitCompareTo = compareTo.split(\"[A-Za-z]\");\n"
+ " for (int i = 1; i < splitCompareTo.length; i++) { // Start at 1 because the first split is empty\n"
+ " double intOriginal = Double.parseDouble(splitOriginal[i]);\n"
+ " double intCompareTo = Double.parseDouble(splitCompareTo[i]);\n"
+ " if (intOriginal > intCompareTo) {\n"
+ " return true;\n"
+ " }\n"
+ " if (intOriginal < intCompareTo) {\n"
+ " return true;\n"
+ " }\n"
+ " }\n"
+ " return false;\n"),
/**
*
*/
LESSTHAN("boolean", "String original, String compareTo",""
+ "import java.util.*;",
" if (original==null||compareTo==null){return false;}\n"
+ " String[] splitOriginal = original.split(\"[A-Za-z]\");\n"
+ " String[] splitCompareTo = compareTo.split(\"[A-Za-z]\");\n"
+ " for (int i = 1; i < splitCompareTo.length; i++) { // Start at 1 because the first split is empty\n"
+ " double intOriginal = Double.parseDouble(splitOriginal[i]);\n"
+ " double intCompareTo = Double.parseDouble(splitCompareTo[i]);\n"
+ " if (intOriginal > intCompareTo) {\n"
+ " return false;\n"
+ " }\n"
+ " if (intOriginal < intCompareTo) {\n"
+ " return true;\n"
+ " }\n"
+ " }\n"
+ " return false;\n"),
/**
*
*/
LESSTHANEQUALS("boolean", "String original, String compareTo",""
+ "import java.util.*;",
" if (original==null||compareTo==null){return false;}\n"
+ " String[] splitOriginal = original.split(\"[A-Za-z]\");\n"
+ " String[] splitCompareTo = compareTo.split(\"[A-Za-z]\");\n"
+ " for (int i = 1; i < splitCompareTo.length; i++) { // Start at 1 because the first split is empty\n"
+ " double intOriginal = Double.parseDouble(splitOriginal[i]);\n"
+ " double intCompareTo = Double.parseDouble(splitCompareTo[i]);\n"
+ " if (intOriginal > intCompareTo) {\n"
+ " return false;\n"
+ " }\n"
+ " if (intOriginal < intCompareTo) {\n"
+ " return true;\n"
+ " }\n"
+ " }\n"
+ " return true;\n"),
/**
*
*/
GREATERTHAN("boolean", "String original, String compareTo",""
+ "import java.util.*;",
" if (original==null||compareTo==null){return false;}\n"
+ " String[] splitOriginal = original.split(\"[A-Za-z]\");\n"
+ " String[] splitCompareTo = compareTo.split(\"[A-Za-z]\");\n"
+ " for (int i = 1; i < splitCompareTo.length; i++) { // Start at 1 because the first split is empty\n"
+ " double intOriginal = Double.parseDouble(splitOriginal[i]);\n"
+ " double intCompareTo = Double.parseDouble(splitCompareTo[i]);\n"
+ " if (intOriginal > intCompareTo) {\n"
+ " return true;\n"
+ " }\n"
+ " if (intOriginal < intCompareTo) {\n"
+ " return false;\n"
+ " }\n"
+ " }\n"
+ " return false;\n"),
/**
*
*/
GREATERTHANEQUALS("boolean", "String original, String compareTo",""
+ "import java.util.*;",
" if (original==null||compareTo==null){return false;}\n"
+ " String[] splitOriginal = original.split(\"[A-Za-z]\");\n"
+ " String[] splitCompareTo = compareTo.split(\"[A-Za-z]\");\n"
+ " for (int i = 1; i < splitCompareTo.length; i++) { // Start at 1 because the first split is empty\n"
+ " double intOriginal = Double.parseDouble(splitOriginal[i]);\n"
+ " double intCompareTo = Double.parseDouble(splitCompareTo[i]);\n"
+ " if (intOriginal > intCompareTo) {\n"
+ " return true;\n"
+ " }\n"
+ " if (intOriginal < intCompareTo) {\n"
+ " return false;\n"
+ " }\n"
+ " }\n"
+ " return true;\n"),
/**
*
*/
DATEADDITION("Date", "Date original, String dateRepeatInput",""
+ "import java.util.*;",
"\n"
+ " if (original == null || dateRepeatInput == null || dateRepeatInput.length() == 0) {\n"
+ " return null;\n"
+ " }\n"
+ " String dateRepeatStr = dateRepeatInput.replaceAll(\"[^-.PYMDhns0-9]+\", \"\");\n"
+ " Calendar cal = new GregorianCalendar();\n"
+ " cal.setTime(original);\n"
+ " int years = Integer.parseInt(dateRepeatStr.replaceAll(\".*P([-0-9.]+)Y.*\", \"$1\"));\n"
+ " int months = Integer.parseInt(dateRepeatStr.replaceAll(\".*Y([-0-9.]+)M.*\", \"$1\"));\n"
+ " int days = Integer.parseInt(dateRepeatStr.replaceAll(\".*M([-0-9.]+)D.*\", \"$1\"));\n"
+ " int hours = Integer.parseInt(dateRepeatStr.replaceAll(\".*D([-0-9.]+)h.*\", \"$1\"));\n"
+ " int minutes = Integer.parseInt(dateRepeatStr.replaceAll(\".*h([-0-9.]+)n.*\", \"$1\"));\n"
+ " int seconds = Integer.valueOf(dateRepeatStr.replaceAll(\".*n([-0-9]+)[.]*([0-9])*s.*\", \"$1\"));\n"
+ " int millis = Integer.valueOf(dateRepeatStr.replaceAll(\".*n([-0-9]+)[.]*([0-9])*s.*\", \"$2\"));\n"
+ "\n"
+ " cal.add(Calendar.YEAR, years);\n"
+ " cal.add(Calendar.MONTH, months);\n"
+ " cal.add(Calendar.DAY_OF_MONTH, days);\n"
+ " cal.add(Calendar.HOUR, hours);\n"
+ " cal.add(Calendar.MINUTE, minutes);\n"
+ " cal.add(Calendar.SECOND, seconds);\n"
+ " cal.add(Calendar.MILLISECOND, millis);\n"
+ " return cal.getTime();"
+ ""),
/**
*
*/
DATESUBTRACTION("Date", "Date original, String dateRepeatInput",""
+ "import java.util.*;",
"\n"
+ " if (original == null || dateRepeatInput == null || dateRepeatInput.length() == 0) {\n"
+ " return null;\n"
+ " }\n"
+ " String dateRepeatStr = dateRepeatInput.replaceAll(\"[^-.PYMDhns0-9]+\", \"\");\n"
+ " Calendar cal = new GregorianCalendar();\n"
+ " cal.setTime(original);\n"
+ " int years = Integer.parseInt(dateRepeatStr.replaceAll(\".*P([-0-9.]+)Y.*\", \"$1\"));\n"
+ " int months = Integer.parseInt(dateRepeatStr.replaceAll(\".*Y([-0-9.]+)M.*\", \"$1\"));\n"
+ " int days = Integer.parseInt(dateRepeatStr.replaceAll(\".*M([-0-9.]+)D.*\", \"$1\"));\n"
+ " int hours = Integer.parseInt(dateRepeatStr.replaceAll(\".*D([-0-9.]+)h.*\", \"$1\"));\n"
+ " int minutes = Integer.parseInt(dateRepeatStr.replaceAll(\".*h([-0-9.]+)n.*\", \"$1\"));\n"
+ " int seconds = Integer.valueOf(dateRepeatStr.replaceAll(\".*n([-0-9]+)[.]*([0-9])*s.*\", \"$1\"));\n"
+ " int millis = Integer.valueOf(dateRepeatStr.replaceAll(\".*n([-0-9]+)[.]*([0-9])*s.*\", \"$2\"));\n"
+ "\n"
+ " cal.add(Calendar.YEAR, -1 * years);\n"
+ " cal.add(Calendar.MONTH, -1 * months);\n"
+ " cal.add(Calendar.DAY_OF_MONTH, -1 * days);\n"
+ " cal.add(Calendar.HOUR, -1 * hours);\n"
+ " cal.add(Calendar.MINUTE, -1 * minutes);\n"
+ " cal.add(Calendar.MILLISECOND, -1 * seconds);\n"
+ " return cal.getTime();"
+ ""),
/**
*
*/
YEAR_PART("Integer", "String dateRepeatStr", "", "NumberFormatException",
" if (dateRepeatStr==null||dateRepeatStr.length()==0){return null;}\n"
+ " return Integer.parseInt(dateRepeatStr.replaceAll(\".*P([-0-9.]+)Y.*\", \"$1\"));\n"),
/**
*
*/
MONTH_PART("Integer", "String dateRepeatStr", "", "NumberFormatException",
" if (dateRepeatStr==null||dateRepeatStr.length()==0){return null;}\n"
+ " return Integer.parseInt(dateRepeatStr.replaceAll(\".*Y([-0-9.]+)M.*\", \"$1\"));\n"),
/**
*
*/
DAY_PART("Integer", "String dateRepeatStr", "", "NumberFormatException",
" if (dateRepeatStr==null||dateRepeatStr.length()==0){return null;}\n"
+ " return Integer.parseInt(dateRepeatStr.replaceAll(\".*M([-0-9.]+)D.*\", \"$1\"));\n"),
/**
*
*/
HOUR_PART("Integer", "String dateRepeatStr", "", "NumberFormatException",
" if (dateRepeatStr==null||dateRepeatStr.length()==0){return null;}\n"
+ " return Integer.parseInt(dateRepeatStr.replaceAll(\".*D([-0-9.]+)h.*\", \"$1\"));\n"),
/**
*
*/
MINUTE_PART("Integer", "String dateRepeatStr", "", "NumberFormatException",
" if (dateRepeatStr==null||dateRepeatStr.length()==0){return null;}\n"
+ " return Integer.parseInt(dateRepeatStr.replaceAll(\".*h([-0-9.]+)n.*\", \"$1\"));\n"),
/**
*
*/
SECOND_PART("Integer", "String dateRepeatStr", "", "NumberFormatException",
" if (dateRepeatStr==null||dateRepeatStr.length()==0){return null;}\n"
+ " return Double.valueOf(dateRepeatStr.replaceAll(\".*n([-0-9.]+)s.*\", \"$1\")).intValue();\n");
private final String returnType;
private final String parameters;
private final String imports;
private final String exceptions;
private final String code;
DateRepeatFunctions(String returnType, String parameters, String imports, String code) {
this.returnType = returnType;
this.parameters = parameters;
this.imports = imports;
this.exceptions = "";
this.code = code;
}
DateRepeatFunctions(String returnType, String parameters, String imports, String exceptions, String code) {
this.returnType = returnType;
this.parameters = parameters;
this.imports = imports;
this.exceptions = exceptions;
this.code = code;
}
@Override
public String toString() {
return "DBV_DATEREPEAT_" + name();
}
@Override
public String alias() {
return toString();
}
/**
* Add the datatype to the database.
*
* @param stmt the database statement to add this datatype to.
* @throws SQLException database errors
*/
@Override
public void add(Statement stmt) throws SQLException {
try {
stmt.execute("DROP ALIAS " + this + ";");
} catch (SQLException sqlex) {
;// Not an issue.
}
final String createFunctionStatement = "CREATE ALIAS IF NOT EXISTS " + this + " DETERMINISTIC AS $$ \n" + imports + "\n\n" + "@CODE " + returnType + " " + this + "(" + parameters + ") " + (exceptions.equals("") ? "" : "throws " + exceptions) + "{\n" + code + "} $$;";
stmt.execute(createFunctionStatement);
}
}