package jnpf.flowable.service.dev;
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import jnpf.flowable.model.templatenode.nodejson.NodeModel;
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import java.lang.reflect.Array;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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/** Checks saved values, including native child-table field paths. Never fabricates input. */
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public final class DevApprovalValidation {
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private DevApprovalValidation() {}
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public static List<String> missing(NodeModel node, Map<String, Object> values) {
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List<String> problems = new ArrayList<>();
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if (node.getFormOperates() == null) return problems;
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for (Map<String, Object> field : node.getFormOperates()) {
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if (!Boolean.TRUE.equals(field.get("required"))) continue;
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String id = String.valueOf(field.get("id"));
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String label = String.valueOf(field.getOrDefault("name", id)).replace('\n', ' ');
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int separator = id.indexOf('-');
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if (separator < 0) {
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if (empty(values.get(id))) problems.add(label + "（" + id + "）");
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} else {
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Object rows = values.get(id.substring(0, separator));
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String column = id.substring(separator + 1);
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if (!(rows instanceof List) || ((List<?>) rows).isEmpty()) {
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// No rows means there are no child field instances to validate.
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continue;
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}
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List<?> list = (List<?>) rows;
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for (int i = 0; i < list.size(); i++) {
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Object row = list.get(i);
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if (!(row instanceof Map) || empty(((Map<?, ?>) row).get(column))) {
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problems.add(label + "（第" + (i + 1) + "行，" + id + "）");
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}
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}
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}
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}
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return problems;
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}
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static boolean empty(Object value) {
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if (value == null) return true;
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if (value instanceof String) {
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String text = ((String) value).trim();
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return text.isEmpty() || "[]".equals(text) || "null".equals(text);
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}
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if (value instanceof Collection) return ((Collection<?>) value).isEmpty();
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if (value instanceof Map) return ((Map<?, ?>) value).isEmpty();
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return value.getClass().isArray() && Array.getLength(value) == 0;
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}
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}
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