📋 複製

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import org.apache.axis.message.MessageElement;

import org.w3c.dom.Element;

import org.w3c.dom.NodeList;

import org.xml.sax.SAXException;



import java.time.LocalDateTime;

import java.time.format.DateTimeFormatter;

import java.time.format.DateTimeParseException;

import java.util.*;



/** 建議：這個 formatter 放成 static 常數 */

private static final DateTimeFormatter FMT_PRIMARY  = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");

private static final DateTimeFormatter FMT_FALLBACK = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");



public List<TreeNodeBean> transformTree(String userType) throws Exception {

    // 1) 呼叫 web service，取得 MessageElement[]

    WsGetTreeSubdirResponseWsGetTreeSubdirResult result = service.wsGetTreeSubdir(userType);

    MessageElement[] anyArray = result.get_any();

    if (anyArray == null || anyArray.length == 0) {

        return Collections.emptyList();

    }



    // 2) 直接把第一個 MessageElement 當 root Element 使用（不經過 parse）

    Element root = anyArray[0];

    NodeList list = root.getElementsByTagName("TreeSubdir");



    // 3) 逐筆解析成 flat beans

    List<TreeNodeBean> flat = new ArrayList<>(list.getLength());

    for (int i = 0; i < list.getLength(); i++) {

        Element e = (Element) list.item(i);



        String sftPath  = getChildText(e, "sft_path");

        String iftSid   = getChildText(e, "ift_sid");

        String sftName  = getChildText(e, "sft_name");

        String iKBCount = getChildText(e, "iKBCount");

        String dInit    = getChildText(e, "dinit_time");

        String dModi    = getChildText(e, "dmodi_time");

        String iftPrev  = getChildText(e, "ift_prev");



        TreeNodeBean bean = new TreeNodeBean();

        bean.setIftSid(iftSid);

        bean.setIftPrev(iftPrev);

        bean.setFtName(sftName);

        bean.setFtPathRaw(sftPath);

        bean.setFtPathParts(splitPathSafe(sftPath));

        bean.setKBCount(parseIntOrNull(iKBCount));

        bean.setInitTime(parseDateTimeSafely(dInit));

        bean.setModiTime(parseDateTimeSafely(dModi));



        flat.add(bean);

    }



    // 4) 用 iftPrev 組樹，回傳 roots（你要 flat 就回傳 flat）

    return TreeUtils.buildTree(flat);

}



/* ----------------- 小工具函式 ----------------- */



private static String getChildText(Element parent, String tag) {

    NodeList nl = parent.getElementsByTagName(tag);

    if (nl == null || nl.getLength() == 0) return "";

    String s = nl.item(0).getTextContent();

    return s == null ? "" : s.trim();

}



private static List<String> splitPathSafe(String raw) {

    if (raw == null) return List.of();

    String s = raw.trim();

    if (s.startsWith("\\")) s = s.substring(1);

    if (s.endsWith("\\"))   s = s.substring(0, s.length() - 1);

    if (s.isEmpty()) return List.of();

    String[] parts = s.split("\\\\");

    List<String> out = new ArrayList<>(parts.length);

    for (String p : parts) if (p != null && !p.isBlank()) out.add(p.trim());

    return out;

}



private static Integer parseIntOrNull(String s) {

    if (s == null || s.isBlank()) return null;

    try { return Integer.parseInt(s.trim()); }

    catch (NumberFormatException e) { return null; }

}



private static LocalDateTime parseDateTimeSafely(String s) {

    if (s == null || s.isBlank()) return null;

    String v = s.trim();

    try { return LocalDateTime.parse(v, FMT_PRIMARY); }

    catch (DateTimeParseException e1) {

        try { return LocalDateTime.parse(v, FMT_FALLBACK); }

        catch (DateTimeParseException e2) { return null; }

    }

}

📋 複製

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