优化：异常处理、异常提示

jodconverter-web/src/main/java/cn/keking/utils/ConverterUtils.java

@@ -6,14 +6,20 @@ import org.artofsolving.jodconverter.OfficeDocumentConverter;
 import org.artofsolving.jodconverter.office.DefaultOfficeManagerConfiguration;
 import org.artofsolving.jodconverter.office.OfficeManager;
 import org.artofsolving.jodconverter.office.OfficeUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
 import java.nio.charset.Charset;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Properties;
 
 /**
  * 创建文件转换器
@@ -24,6 +30,8 @@ import java.util.Map;
 @Component
 public class ConverterUtils {
 
+    private final Logger logger = LoggerFactory.getLogger(ConverterUtils.class);
+
 //    @Value("${office.home}")
 //    String officeHome;
 //    OpenOfficeConnection connection;
@@ -31,18 +39,28 @@ public class ConverterUtils {
 
     @PostConstruct
     public void initOfficeManager() {
-        ////            connection = new SocketOpenOfficeConnection(host,8100);
-////            connection.connect();
         String officeHome = OfficeUtils.getDefaultOfficeHome().getAbsolutePath();
+        if (officeHome == null) {
+            throw new RuntimeException("找不到office组件，请确认'office.home'配置是否有误");
+        }
+        boolean killOffice = killProcess("soffice.bin");
+        if (killOffice) {
+            logger.warn("检测到有正在运行的office进程，已自动结束该进程");
+        }
+        try {
             DefaultOfficeManagerConfiguration configuration = new DefaultOfficeManagerConfiguration();
             configuration.setOfficeHome(officeHome);
             configuration.setPortNumber(8100);
+            // 设置任务执行超时为5分钟
+            configuration.setTaskExecutionTimeout(1000 * 60 * 5L);
+            // 设置任务队列超时为24小时
+            //configuration.setTaskQueueTimeout(1000 * 60 * 60 * 24L);
             officeManager = configuration.buildOfficeManager();
             officeManager.start();
-        // 设置任务执行超时为5分钟
-        // configuration.setTaskExecutionTimeout(1000 * 60 * 5L);//
-        // 设置任务队列超时为24小时
-        // configuration.setTaskQueueTimeout(1000 * 60 * 60 * 24L);//
+        } catch (Exception e) {
+            logger.error("启动office组件失败，请检查office组件是否可用");
+            throw e;
+        }
     }
 
     public OfficeDocumentConverter getDocumentConverter() {
@@ -60,6 +78,48 @@ public class ConverterUtils {
         return loadProperties;
     }
 
+    private boolean killProcess(String processName) {
+        boolean flag = false;
+        Properties props = System.getProperties();
+        try {
+            if (props.getProperty("os.name").toLowerCase().contains("windows")) {
+                Process p = Runtime.getRuntime().exec("cmd /c tasklist ");
+                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                InputStream os = p.getInputStream();
+                byte b[] = new byte[256];
+                while (os.read(b) > 0) {
+                    baos.write(b);
+                }
+                String s = baos.toString();
+                if (s.indexOf(processName) >= 0) {
+                    Runtime.getRuntime().exec("taskkill /im " + processName + " /f");
+                    flag = true;
+                } else {
+                    flag = false;
+                }
+            }else {
+                Process p = Runtime.getRuntime().exec(new String[]{"sh","-c","ps -ef | grep "+processName});
+                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                InputStream os = p.getInputStream();
+                byte b[] = new byte[256];
+                while (os.read(b) > 0) {
+                    baos.write(b);
+                }
+                String s = baos.toString();
+                if (s.indexOf(processName) >= 0) {
+                    String[] cmd ={"sh","-c","killall -9 "+processName};
+                    Runtime.getRuntime().exec(cmd);
+                    flag = true;
+                } else {
+                    flag = false;
+                }
+            }
+        } catch (IOException e) {
+            logger.error("检测office进程异常", e);
+        }
+        return flag;
+    }
+
     @PreDestroy
     public void destroyOfficeManager(){
         if (null != officeManager && officeManager.isRunning()) {

jodconverter-web/src/main/resources/web/fileNotSupported.ftl

@@ -32,7 +32,7 @@
     <img src="images/sorry.jpg" />
     <span>
         该文件类型(${fileType})系统暂时不支持在线预览，<b>说明</b>：
-        <p>${msg}</p>
+        <p style="color: red;">${msg}</p>
         如有需要请联系<a href="mailto:1210893441@qq.com">@HappyPig</a>
     </span>
 </div>