docx, search keys from doc

clearing-parent/reports-service/pom.xml

@@ -33,11 +33,23 @@
             <groupId>com.fasterxml.jackson.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
         </dependency>
+
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
             <version>1.4.19</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>5.1.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

clearing-parent/reports-service/src/main/java/ru/spcex/clearing/reports/services/DOCXService.java

@@ -0,0 +1,90 @@
+package ru.spcex.clearing.reports.services;
+
+import org.apache.poi.xwpf.usermodel.*;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Сервис для работы с DOCX файлами
+ * Читает шаблон .docx и во всех текстовых элементах меняет переданные ключи на соответствующие им значения
+ */
+public class DOCXService {
+    /**
+     * При инициализации сохраняет все имеющиеся ключи (ищет по маске keyPattern), найденные в текстовых элементах документа
+     */
+    private final Map<String, TextPositionOnRun> bodyElementForKey = new HashMap<>();
+    private final Pattern KEY_PATTERN = Pattern.compile("\\$\\{.*?}");
+    private final int MAX_POSITION = 128;
+
+    /**
+     * Инициализация шаблона
+     *
+     * @param templateFile файл шаблона
+     */
+    public void init(File templateFile) throws IOException {
+        assert templateFile != null && templateFile.exists() && templateFile.isFile();
+        try (InputStream inputStream = new FileInputStream(templateFile)) {
+            XWPFDocument doc = new XWPFDocument(inputStream);
+
+            for (IBodyElement element : doc.getBodyElements()) {
+                if (element instanceof XWPFTable table) {
+                    collectKeysFromTable(table);
+                } else if (element instanceof XWPFParagraph paragraph) {
+                    collectKeysFromParagraph(paragraph);
+                }
+            }
+
+            System.out.println("hello");
+        }
+    }
+
+    private void collectKeysFromTable(XWPFTable srcTable) {
+        for (XWPFTableRow row : srcTable.getRows()) {
+            for (XWPFTableCell cell : row.getTableCells()) {
+                for (IBodyElement element : cell.getBodyElements()) {
+                    if (element instanceof XWPFTable table) {
+                        collectKeysFromTable(table);
+                    } else if (element instanceof XWPFParagraph paragraph) {
+                        collectKeysFromParagraph(paragraph);
+                    }
+                }
+            }
+        }
+    }
+
+    private void collectKeysFromParagraph(XWPFParagraph paragraph) {
+
+        for (XWPFRun run : paragraph.getRuns()) {
+            try {
+                for (int currPos = 0; currPos < MAX_POSITION; currPos++) {
+                    String currText = run.getText(currPos);
+                    if (currText == null) break;
+                    Matcher matcher = KEY_PATTERN.matcher(currText);
+                    while (matcher.find()) {
+                        String key = matcher.group();
+                        bodyElementForKey.put(key, new TextPositionOnRun(run, currPos));
+                    }
+                }
+            } catch (IndexOutOfBoundsException ignored) {
+                // can't get all max text position for XWPFRun
+            }
+        }
+    }
+
+    static class TextPositionOnRun {
+        XWPFRun run;
+        int pos;
+
+        public TextPositionOnRun(XWPFRun run, int pos) {
+            this.run = run;
+            this.pos = pos;
+        }
+    }
+}

clearing-parent/reports-service/src/test/java/ru/spcex/clearing/reports/services/DOCXServiceTest.java

@@ -0,0 +1,31 @@
+package ru.spcex.clearing.reports.services;
+
+import org.apache.poi.xwpf.usermodel.XWPFDocument;
+import org.junit.jupiter.api.Test;
+
+import java.io.*;
+
+class DOCXServiceTest {
+    @Test
+    public void testREC_ACTV() {
+        String inputFilename = "REC.ACTV_TEST.docx";
+        try (InputStream inputStream = getClass().getClassLoader().getResourceAsStream(inputFilename);
+             InputStream testStream = getClass().getClassLoader().getResourceAsStream("1.docx");
+             OutputStream outputStream = new FileOutputStream("test.docx")) {
+            XWPFDocument templateDoc = new XWPFDocument(inputStream);
+            XWPFDocument testDoc = new XWPFDocument(testStream);
+            testDoc.getParagraphs().get(6).getRuns().get(1).setText("========АОВЛДЫАОЫВЛДОАЛЫВДАОЫВЛДАОЫВ========");
+            testDoc.write(outputStream);
+            System.out.println("h");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Test
+    public void test() throws IOException {
+        DOCXService service = new DOCXService();
+        service.init(new File(getClass().getClassLoader().getResource("REC.ACTV_TEST.docx").getPath()));
+        System.out.println("p");
+    }
+}