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/*
 * ==========================================================================
 * Copyright (C) 2019-2022 HCL America, Inc. ( http://www.hcl.com/ )
 *                            All rights reserved.
 * ==========================================================================
 * 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 .
 *
 * 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.hcl.domino.jna.internal.views;

import static java.text.MessageFormat.format;

import java.io.ByteArrayOutputStream;
import java.io.OutputStream;
import java.time.LocalDate;
import java.time.LocalTime;
import java.time.temporal.TemporalAccessor;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Objects;

import com.hcl.domino.commons.data.DefaultDominoDateRange;
import com.hcl.domino.commons.util.InnardsConverter;
import com.hcl.domino.commons.util.NotesDateTimeUtils;
import com.hcl.domino.data.ItemDataType;
import com.hcl.domino.jna.data.JNADominoDateTime;
import com.hcl.domino.jna.internal.JNANotesConstants;
import com.hcl.domino.jna.internal.NotesStringUtils;
import com.hcl.domino.jna.internal.structs.NotesItemValueTableStruct;
import com.hcl.domino.jna.internal.structs.NotesNumberPairStruct;
import com.hcl.domino.jna.internal.structs.NotesRangeStruct;
import com.hcl.domino.jna.internal.structs.NotesTableItemStruct;
import com.hcl.domino.jna.internal.structs.NotesTimeDatePairStruct;
import com.hcl.domino.jna.internal.structs.NotesTimeDateStruct;
import com.sun.jna.Memory;
import com.sun.jna.Pointer;

public class NotesSearchKeyEncoder {
	
	/**
	 * Produces the keybuffer for NIFFindByKey
	 * 
	 * @param keys array of String, Double, Integer, NotesTimeDate, Calendar, Date, NotesDateRange, Calendar[] (with two elements lower/upper), Date[] (with two elements lower/upper)
	 * @return buffer with encoded keys
	 * @throws Exception in case of errors
	 */
	public static Memory encodeKeys(Object[] keys) throws Exception {
		ByteArrayOutputStream metaDataByteOut = new ByteArrayOutputStream();

		ByteArrayOutputStream valueDataByteOut = new ByteArrayOutputStream();
		
		for (int i=0; i format("Keys cannot be null. keys={0}", Arrays.toString(keys)));
		}
		
		//write placeholder for the total buffer size and the number of items, will be filled later
		metaDataByteOut.write(0);
		metaDataByteOut.write(0);
		
		metaDataByteOut.write(0);
		metaDataByteOut.write(0);
		

		for (int i=0; idocumentation says.
	 * 
	 * @param itemOut output stream for ITEM structure
	 * @param valueDataOut output stream for search key value
	 * @param currKey search key
	 * @throws Exception in case of errors
	 */
	private static void addNumberRangeKey(OutputStream itemOut, OutputStream valueDataOut, double[] currKey) throws Exception {
		if (currKey.length!=2) {
			throw new IllegalArgumentException(format("Double search key array must have exactly 2 elements. We found {0}", currKey.length));
		}
		
		Memory itemMem = new Memory(JNANotesConstants.tableItemSize);
		NotesTableItemStruct item = NotesTableItemStruct.newInstance(itemMem);
		item.NameLength = 0;
		item.ValueLength = (short) ((JNANotesConstants.rangeSize + JNANotesConstants.numberPairSize + 2) & 0xffff);
		item.write();

		for (int i=0; i