Office组件启动异步化，提速应用启动速度到5秒内

jodconverter-web/src/main/java/cn/keking/service/OfficeToPdfService.java

@@ -0,0 +1,64 @@
+package cn.keking.service;
+
+import org.artofsolving.jodconverter.OfficeDocumentConverter;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+
+/**
+ * @author yudian-it
+ */
+@Component
+public class OfficeToPdfService {
+    private final OfficeProcessManager officeProcessManager;
+
+    public OfficeToPdfService(OfficeProcessManager officeProcessManager) {
+        this.officeProcessManager = officeProcessManager;
+    }
+
+    public void openOfficeToPDF(String inputFilePath, String outputFilePath) {
+        office2pdf(inputFilePath, outputFilePath);
+    }
+
+
+    public static void converterFile(File inputFile, String outputFilePath_end,
+                                     OfficeDocumentConverter converter) {
+        File outputFile = new File(outputFilePath_end);
+        // 假如目标路径不存在,则新建该路径
+        if (!outputFile.getParentFile().exists()) {
+            outputFile.getParentFile().mkdirs();
+        }
+        converter.convert(inputFile, outputFile);
+    }
+
+
+    public void office2pdf(String inputFilePath, String outputFilePath) {
+        OfficeDocumentConverter converter = officeProcessManager.getDocumentConverter();
+        if (null != inputFilePath) {
+            File inputFile = new File(inputFilePath);
+            // 判断目标文件路径是否为空
+            if (null == outputFilePath) {
+                // 转换后的文件路径
+                String outputFilePath_end = getOutputFilePath(inputFilePath);
+                if (inputFile.exists()) {
+                    // 找不到源文件, 则返回
+                    converterFile(inputFile, outputFilePath_end,converter);
+                }
+            } else {
+                if (inputFile.exists()) {
+                    // 找不到源文件, 则返回
+                    converterFile(inputFile, outputFilePath, converter);
+                }
+            }
+        }
+    }
+
+    public static String getOutputFilePath(String inputFilePath) {
+        return inputFilePath.replaceAll("."+ getPostfix(inputFilePath), ".pdf");
+    }
+
+    public static String getPostfix(String inputFilePath) {
+        return inputFilePath.substring(inputFilePath.lastIndexOf(".") + 1);
+    }
+
+}