Rinjae
113 lines
3.2 KiB
Java
113 lines
3.2 KiB
Java
package com.eactive.ext.kjb.eai;
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import lombok.Getter;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import java.nio.ByteBuffer;
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@Slf4j
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public class EaiBatchMessage {
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@Getter
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private String interfaceId = "";
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@Getter
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private String baseDate = "";
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@Getter
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private String count = "";
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@Getter
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private String resultCode = "";
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@Getter
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private String filename = "";
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private String rawMessage = "";
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private boolean isReadOnly = false;
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private EaiBatchMessage() {}
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public static EaiBatchMessage createRequest(String interfaceId, String filename) {
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EaiBatchMessage message = new EaiBatchMessage();
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message.interfaceId = interfaceId;
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message.filename = filename;
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return message;
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}
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public static EaiBatchMessage fromResponse(String rawMessage) {
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EaiBatchMessage message = new EaiBatchMessage();
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message.rawMessage = rawMessage;
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message.isReadOnly = true;
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if (rawMessage.length() >= 40) {
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message.interfaceId = rawMessage.substring(0, 20).trim();
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message.baseDate = rawMessage.substring(20, 28).trim();
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message.count = rawMessage.substring(28, 38).trim();
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message.resultCode = rawMessage.substring(38, 39).trim();
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// filename 은 @@가 발견되면 이전 까지 trim / 발견되지 않으면 나머지 전체 그리고 trim
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int endIdx = rawMessage.indexOf("@@", 39);
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if (endIdx == -1) {
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message.filename = rawMessage.substring(39).trim();
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} else {
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message.filename = rawMessage.substring(39, endIdx).trim();
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}
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}
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if (StringUtils.isEmpty(message.interfaceId)) {
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log.error("Invalid EAI Batch response message: interfaceId is empty. rawMessage={}", rawMessage);
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throw new IllegalArgumentException("Invalid EAI Batch response message: interfaceId is empty");
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}
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return message;
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}
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@Override
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public String toString() {
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if (isReadOnly) {
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return rawMessage;
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} else {
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ByteBuffer buffer = ByteBuffer.allocate(1024);
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// 0~19 : 인터페이스ID (20)
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buffer.put(fixedString(interfaceId, 20));
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// 19-8: 기준일자 (8)
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buffer.put(fixedString(baseDate, 8));
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// 27-10 : 건수 (10)
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buffer.put(fixedString(count, 10));
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// 37-1 : 결과코드 (1)
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buffer.put(fixedString(resultCode, 1));
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// 38-100 : 파일명 (100)
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buffer.put(fixedString(filename, 100));
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// 종료 구분자 (2)
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buffer.put("@@".getBytes());
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return new String(buffer.array()).trim();
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}
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}
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private byte[] fixedString(String str, int length) {
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if (str == null) {
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str = "";
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}
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byte[] strBytes = str.getBytes();
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byte[] result = new byte[length];
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int copyLength = Math.min(strBytes.length, length);
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System.arraycopy(strBytes, 0, result, 0, copyLength);
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for (int i = copyLength; i < length; i++) {
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result[i] = ' ';
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}
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return result;
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}
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}
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