调整项目模块，jodconverter-core重命名为office-plugin。jdocnverter-web重命名为server

server/src/main/java/cn/keking/service/cache/CacheService.java

@@ -0,0 +1,36 @@
+package cn.keking.service.cache;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author: chenjh
+ * @since: 2019/4/2 16:45
+ */
+public interface CacheService {
+
+    String FILE_PREVIEW_PDF_KEY = "converted-preview-pdf-file";
+    String FILE_PREVIEW_IMGS_KEY = "converted-preview-imgs-file";//压缩包内图片文件集合
+    String FILE_PREVIEW_PDF_IMGS_KEY = "converted-preview-pdfimgs-file";
+    String TASK_QUEUE_NAME = "convert-task";
+
+    Integer DEFAULT_PDF_CAPACITY = 500000;
+    Integer DEFAULT_IMG_CAPACITY = 500000;
+    Integer DEFAULT_PDFIMG_CAPACITY = 500000;
+
+    void initPDFCachePool(Integer capacity);
+    void initIMGCachePool(Integer capacity);
+    void initPdfImagesCachePool(Integer capacity);
+    void putPDFCache(String key, String value);
+    void putImgCache(String key, List<String> value);
+    Map<String, String> getPDFCache();
+    String getPDFCache(String key);
+    Map<String, List<String>> getImgCache();
+    List<String> getImgCache(String key);
+    Integer getPdfImageCache(String key);
+    void putPdfImageCache(String pdfFilePath, int num);
+    void cleanCache();
+    void addQueueTask(String url);
+    String takeQueueTask() throws InterruptedException;
+
+}

server/src/main/java/cn/keking/service/cache/impl/CacheServiceJDKImpl.java

@@ -0,0 +1,119 @@
+package cn.keking.service.cache.impl;
+
+import cn.keking.service.cache.CacheService;
+import com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap;
+import com.googlecode.concurrentlinkedhashmap.Weighers;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.annotation.PostConstruct;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+
+/**
+ * @auther: chenjh
+ * @time: 2019/4/2 17:21
+ * @description
+ */
+@Service
+@ConditionalOnExpression("'${cache.type:default}'.equals('jdk')")
+public class CacheServiceJDKImpl implements CacheService {
+
+    private Map<String, String> pdfCache;
+    private Map<String, List<String>> imgCache;
+    private Map<String, Integer> pdfImagesCache;
+    private static final int QUEUE_SIZE = 500000;
+    private final BlockingQueue<String> blockingQueue = new ArrayBlockingQueue<>(QUEUE_SIZE);
+
+    @PostConstruct
+    public void initCache(){
+        initPDFCachePool(CacheService.DEFAULT_PDF_CAPACITY);
+        initIMGCachePool(CacheService.DEFAULT_IMG_CAPACITY);
+        initPdfImagesCachePool(CacheService.DEFAULT_PDFIMG_CAPACITY);
+    }
+
+    @Override
+    public void putPDFCache(String key, String value) {
+        pdfCache.put(key, value);
+    }
+
+    @Override
+    public void putImgCache(String key, List<String> value) {
+        imgCache.put(key, value);
+    }
+
+    @Override
+    public Map<String, String> getPDFCache() {
+        return pdfCache;
+    }
+
+    @Override
+    public String getPDFCache(String key) {
+        return pdfCache.get(key);
+    }
+
+    @Override
+    public Map<String, List<String>> getImgCache() {
+        return imgCache;
+    }
+
+    @Override
+    public List<String> getImgCache(String key) {
+        if(StringUtils.isEmpty(key)){
+            return new ArrayList<>();
+        }
+        return imgCache.get(key);
+    }
+
+    @Override
+    public Integer getPdfImageCache(String key) {
+        return pdfImagesCache.get(key);
+    }
+
+    @Override
+    public void putPdfImageCache(String pdfFilePath, int num) {
+        pdfImagesCache.put(pdfFilePath, num);
+    }
+
+    @Override
+    public void cleanCache() {
+        initPDFCachePool(CacheService.DEFAULT_PDF_CAPACITY);
+        initIMGCachePool(CacheService.DEFAULT_IMG_CAPACITY);
+        initPdfImagesCachePool(CacheService.DEFAULT_PDFIMG_CAPACITY);
+    }
+
+    @Override
+    public void addQueueTask(String url) {
+        blockingQueue.add(url);
+    }
+
+    @Override
+    public String takeQueueTask() throws InterruptedException {
+        return blockingQueue.take();
+    }
+
+    @Override
+    public void initPDFCachePool(Integer capacity) {
+        pdfCache = new ConcurrentLinkedHashMap.Builder<String, String>()
+                .maximumWeightedCapacity(capacity).weigher(Weighers.singleton())
+                .build();
+    }
+
+    @Override
+    public void initIMGCachePool(Integer capacity) {
+        imgCache = new ConcurrentLinkedHashMap.Builder<String, List<String>>()
+                .maximumWeightedCapacity(capacity).weigher(Weighers.singleton())
+                .build();
+    }
+
+    @Override
+    public void initPdfImagesCachePool(Integer capacity) {
+        pdfImagesCache = new ConcurrentLinkedHashMap.Builder<String, Integer>()
+                .maximumWeightedCapacity(capacity).weigher(Weighers.singleton())
+                .build();
+    }
+}

server/src/main/java/cn/keking/service/cache/impl/CacheServiceRedisImpl.java

@@ -0,0 +1,124 @@
+package cn.keking.service.cache.impl;
+
+import cn.keking.service.cache.CacheService;
+import org.redisson.Redisson;
+import org.redisson.api.RBlockingQueue;
+import org.redisson.api.RMapCache;
+import org.redisson.api.RedissonClient;
+import org.redisson.config.Config;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @auther: chenjh
+ * @time: 2019/4/2 18:02
+ * @description
+ */
+@ConditionalOnExpression("'${cache.type:default}'.equals('redis')")
+@Service
+public class CacheServiceRedisImpl implements CacheService {
+
+    private final RedissonClient redissonClient;
+
+    public CacheServiceRedisImpl(Config config) {
+        this.redissonClient = Redisson.create(config);
+    }
+
+    @Override
+    public void initPDFCachePool(Integer capacity) {
+
+    }
+
+    @Override
+    public void initIMGCachePool(Integer capacity) {
+
+    }
+
+    @Override
+    public void initPdfImagesCachePool(Integer capacity) {
+
+    }
+
+    @Override
+    public void putPDFCache(String key, String value) {
+        RMapCache<String, String> convertedList = redissonClient.getMapCache(FILE_PREVIEW_PDF_KEY);
+        convertedList.fastPut(key, value);
+    }
+
+    @Override
+    public void putImgCache(String key, List<String> value) {
+        RMapCache<String, List<String>> convertedList = redissonClient.getMapCache(FILE_PREVIEW_IMGS_KEY);
+        convertedList.fastPut(key, value);
+    }
+
+    @Override
+    public Map<String, String> getPDFCache() {
+        return redissonClient.getMapCache(FILE_PREVIEW_PDF_KEY);
+    }
+
+    @Override
+    public String getPDFCache(String key) {
+        RMapCache<String, String> convertedList = redissonClient.getMapCache(FILE_PREVIEW_PDF_KEY);
+        return convertedList.get(key);
+    }
+
+    @Override
+    public Map<String, List<String>> getImgCache() {
+        return redissonClient.getMapCache(FILE_PREVIEW_IMGS_KEY);
+    }
+
+    @Override
+    public List<String> getImgCache(String key) {
+        RMapCache<String, List<String>> convertedList = redissonClient.getMapCache(FILE_PREVIEW_IMGS_KEY);
+        return convertedList.get(key);
+    }
+
+    @Override
+    public Integer getPdfImageCache(String key) {
+        RMapCache<String, Integer> convertedList = redissonClient.getMapCache(FILE_PREVIEW_PDF_IMGS_KEY);
+        return convertedList.get(key);
+    }
+
+    @Override
+    public void putPdfImageCache(String pdfFilePath, int num) {
+        RMapCache<String, Integer> convertedList = redissonClient.getMapCache(FILE_PREVIEW_PDF_IMGS_KEY);
+        convertedList.fastPut(pdfFilePath, num);
+    }
+
+    @Override
+    public void cleanCache() {
+        cleanPdfCache();
+        cleanImgCache();
+        cleanPdfImgCache();
+    }
+
+    @Override
+    public void addQueueTask(String url) {
+        RBlockingQueue<String> queue = redissonClient.getBlockingQueue(TASK_QUEUE_NAME);
+        queue.addAsync(url);
+    }
+
+    @Override
+    public String takeQueueTask() throws InterruptedException {
+        RBlockingQueue<String> queue = redissonClient.getBlockingQueue(TASK_QUEUE_NAME);
+        return queue.take();
+    }
+
+    private void cleanPdfCache() {
+        RMapCache<String, String> pdfCache = redissonClient.getMapCache(FILE_PREVIEW_PDF_KEY);
+        pdfCache.clear();
+    }
+
+    private void cleanImgCache() {
+        RMapCache<String, List<String>> imgCache = redissonClient.getMapCache(FILE_PREVIEW_IMGS_KEY);
+        imgCache.clear();
+    }
+
+    private void cleanPdfImgCache() {
+        RMapCache<String, Integer> pdfImg = redissonClient.getMapCache(FILE_PREVIEW_PDF_IMGS_KEY);
+        pdfImg.clear();
+    }
+}

server/src/main/java/cn/keking/service/cache/impl/CacheServiceRocksDBImpl.java

@@ -0,0 +1,246 @@
+package cn.keking.service.cache.impl;
+
+import cn.keking.service.cache.CacheService;
+import org.artofsolving.jodconverter.util.ConfigUtils;
+import org.rocksdb.RocksDB;
+import org.rocksdb.RocksDBException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
+import org.springframework.stereotype.Service;
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+
+/**
+ * @auther: chenjh
+ * @time: 2019/4/22 11:02
+ * @description
+ */
+@ConditionalOnExpression("'${cache.type:default}'.equals('default')")
+@Service
+public class CacheServiceRocksDBImpl implements CacheService {
+
+    static {
+        RocksDB.loadLibrary();
+    }
+
+    private static final String DB_PATH = ConfigUtils.getHomePath() + File.separator + "cache";
+
+    private static final int QUEUE_SIZE = 500000;
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(CacheServiceRocksDBImpl.class);
+
+    private final BlockingQueue<String> blockingQueue = new ArrayBlockingQueue<>(QUEUE_SIZE);
+
+    private RocksDB db;
+
+    {
+        try {
+            db = RocksDB.open(DB_PATH);
+            if (db.get(FILE_PREVIEW_PDF_KEY.getBytes()) == null) {
+                Map<String, String> initPDFCache = new HashMap<>();
+                db.put(FILE_PREVIEW_PDF_KEY.getBytes(), toByteArray(initPDFCache));
+            }
+            if (db.get(FILE_PREVIEW_IMGS_KEY.getBytes()) == null) {
+                Map<String, List<String>> initIMGCache = new HashMap<>();
+                db.put(FILE_PREVIEW_IMGS_KEY.getBytes(), toByteArray(initIMGCache));
+            }
+            if (db.get(FILE_PREVIEW_PDF_IMGS_KEY.getBytes()) == null) {
+                Map<String, Integer> initPDFIMGCache = new HashMap<>();
+                db.put(FILE_PREVIEW_PDF_IMGS_KEY.getBytes(), toByteArray(initPDFIMGCache));
+            }
+        } catch (RocksDBException | IOException e) {
+            LOGGER.error("Uable to init RocksDB" + e);
+        }
+    }
+
+
+    @Override
+    public void initPDFCachePool(Integer capacity) {
+
+    }
+
+    @Override
+    public void initIMGCachePool(Integer capacity) {
+
+    }
+
+    @Override
+    public void initPdfImagesCachePool(Integer capacity) {
+
+    }
+
+    @Override
+    public void putPDFCache(String key, String value) {
+        try {
+            Map<String, String> pdfCacheItem = getPDFCache();
+            pdfCacheItem.put(key, value);
+            db.put(FILE_PREVIEW_PDF_KEY.getBytes(), toByteArray(pdfCacheItem));
+        } catch (RocksDBException | IOException e) {
+            LOGGER.error("Put into RocksDB Exception" + e);
+        }
+    }
+
+    @Override
+    public void putImgCache(String key, List<String> value) {
+        try {
+            Map<String, List<String>> imgCacheItem = getImgCache();
+            imgCacheItem.put(key, value);
+            db.put(FILE_PREVIEW_IMGS_KEY.getBytes(), toByteArray(imgCacheItem));
+        } catch (RocksDBException | IOException e) {
+            LOGGER.error("Put into RocksDB Exception" + e);
+        }
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public Map<String, String> getPDFCache() {
+        Map<String, String> result = new HashMap<>();
+        try{
+            result = (Map<String, String>) toObject(db.get(FILE_PREVIEW_PDF_KEY.getBytes()));
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return result;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public String getPDFCache(String key) {
+        String result = "";
+        try{
+            Map<String, String> map = (Map<String, String>) toObject(db.get(FILE_PREVIEW_PDF_KEY.getBytes()));
+            result = map.get(key);
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return result;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public Map<String, List<String>> getImgCache() {
+        Map<String, List<String>> result = new HashMap<>();
+        try{
+            result = (Map<String, List<String>>) toObject(db.get(FILE_PREVIEW_IMGS_KEY.getBytes()));
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return result;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public List<String> getImgCache(String key) {
+        List<String> result = new ArrayList<>();
+        Map<String, List<String>> map;
+        try{
+            map = (Map<String, List<String>>) toObject(db.get(FILE_PREVIEW_IMGS_KEY.getBytes()));
+            result = map.get(key);
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return result;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public Integer getPdfImageCache(String key) {
+        Integer result = 0;
+        Map<String, Integer> map;
+        try{
+            map = (Map<String, Integer>) toObject(db.get(FILE_PREVIEW_PDF_IMGS_KEY.getBytes()));
+            result = map.get(key);
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return result;
+    }
+
+    @Override
+    public void putPdfImageCache(String pdfFilePath, int num) {
+        try {
+            Map<String, Integer> pdfImageCacheItem = getPdfImageCaches();
+            pdfImageCacheItem.put(pdfFilePath, num);
+            db.put(FILE_PREVIEW_PDF_IMGS_KEY.getBytes(), toByteArray(pdfImageCacheItem));
+        } catch (RocksDBException | IOException e) {
+            LOGGER.error("Put into RocksDB Exception" + e);
+        }
+    }
+
+    @Override
+    public void cleanCache() {
+        try {
+            cleanPdfCache();
+            cleanImgCache();
+            cleanPdfImgCache();
+        } catch (IOException | RocksDBException e) {
+            LOGGER.error("Clean Cache Exception" + e);
+        }
+    }
+
+    @Override
+    public void addQueueTask(String url) {
+        blockingQueue.add(url);
+    }
+
+    @Override
+    public String takeQueueTask() throws InterruptedException {
+        return blockingQueue.take();
+    }
+
+    @SuppressWarnings("unchecked")
+    private Map<String, Integer> getPdfImageCaches() {
+        Map<String, Integer> map = new HashMap<>();
+        try{
+            map = (Map<String, Integer>) toObject(db.get(FILE_PREVIEW_PDF_IMGS_KEY.getBytes()));
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return map;
+    }
+
+
+    private byte[] toByteArray (Object obj) throws IOException {
+        byte[] bytes;
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        ObjectOutputStream oos = new ObjectOutputStream(bos);
+        oos.writeObject(obj);
+        oos.flush();
+        bytes = bos.toByteArray ();
+        oos.close();
+        bos.close();
+        return bytes;
+    }
+
+    private Object toObject (byte[] bytes) throws IOException, ClassNotFoundException {
+        Object obj;
+        ByteArrayInputStream bis = new ByteArrayInputStream (bytes);
+        ObjectInputStream ois = new ObjectInputStream (bis);
+        obj = ois.readObject();
+        ois.close();
+        bis.close();
+        return obj;
+    }
+
+    private void cleanPdfCache() throws IOException, RocksDBException {
+        Map<String, String> initPDFCache = new HashMap<>();
+        db.put(FILE_PREVIEW_PDF_KEY.getBytes(), toByteArray(initPDFCache));
+    }
+
+    private void cleanImgCache() throws IOException, RocksDBException {
+        Map<String, List<String>> initIMGCache = new HashMap<>();
+        db.put(FILE_PREVIEW_IMGS_KEY.getBytes(), toByteArray(initIMGCache));
+    }
+
+    private void cleanPdfImgCache() throws IOException, RocksDBException {
+        Map<String, Integer> initPDFIMGCache = new HashMap<>();
+        db.put(FILE_PREVIEW_PDF_IMGS_KEY.getBytes(), toByteArray(initPDFIMGCache));
+    }
+}