Loading SWFs from memory

Progressbar animation fix Few refactorings
2026-09-28 16:50:45 +00:00 · 2013-08-24 14:05:15 +02:00
parent 9f22cec75d
commit 8a8084ef28
140 changed files with 3902 additions and 281 deletions
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2013 JPEXS
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.jpexs.helpers;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.WeakHashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author JPEXS
+ */
+public class Cache {
+
+    private Map<Object, File> cacheFiles;
+    private Map<Object, Object> cacheMemory;
+    private static List<Cache> instances = new ArrayList<>();
+    public static final int STORAGE_FILES = 1;
+    public static final int STORAGE_MEMORY = 2;
+
+    public static Cache getInstance(boolean weak) {
+        Cache instance = new Cache(weak);
+        instances.add(instance);
+        return instance;
+    }
+    private static int storageType = STORAGE_FILES;
+
+    public static void clearAll() {
+        for (Cache c : instances) {
+            c.clear();
+        }
+    }
+
+    public static void setStorageType(int storageType) {
+        if (storageType == Cache.storageType) {
+            return;
+        }
+        switch (storageType) {
+            case STORAGE_FILES:
+            case STORAGE_MEMORY:
+                break;
+            default:
+                throw new IllegalArgumentException("storageType must be one of STORAGE_FILES or STORAGE_MEMORY");
+        }
+        if (storageType != Cache.storageType) {
+            clearAll();
+        }
+        Cache.storageType = storageType;
+    }
+
+    public static int getStorageType() {
+        return storageType;
+    }
+
+    private Cache(boolean weak) {
+        if (weak) {
+            cacheFiles = new WeakHashMap<>();
+            cacheMemory = new WeakHashMap<>();
+        } else {
+            cacheFiles = new HashMap<>();
+            cacheMemory = new HashMap<>();
+        }
+    }
+
+    public boolean contains(Object key) {
+        if (storageType == STORAGE_FILES) {
+            return cacheFiles.containsKey(key);
+        } else if (storageType == STORAGE_MEMORY) {
+            return cacheMemory.containsKey(key);
+        }
+        return false;
+    }
+
+    public void clear() {
+        cacheMemory.clear();
+        for (File f : cacheFiles.values()) {
+            f.delete();
+        }
+        cacheFiles.clear();
+    }
+
+    public void remove(Object key) {
+        if (storageType == STORAGE_FILES) {
+            if (cacheFiles.containsKey(key)) {
+                File f = cacheFiles.get(key);
+                f.delete();
+                cacheFiles.remove(key);
+            }
+        } else if (storageType == STORAGE_MEMORY) {
+            if (cacheMemory.containsKey(key)) {
+                cacheMemory.remove(key);
+            }
+        }
+
+    }
+
+    public Object get(Object key) {
+        if (storageType == STORAGE_FILES) {
+            if (!cacheFiles.containsKey(key)) {
+                return null;
+            }
+            File f = cacheFiles.get(key);
+            try (FileInputStream fis = new FileInputStream(f)) {
+                ObjectInputStream ois = new ObjectInputStream(fis);
+                return ois.readObject();
+            } catch (IOException | ClassNotFoundException ex) {
+                Logger.getLogger(Helper.class.getName()).log(Level.SEVERE, null, ex);
+            }
+            return null;
+        } else if (storageType == STORAGE_MEMORY) {
+            if (cacheMemory.containsKey(key)) {
+                return cacheMemory.get(key);
+            }
+            return null;
+        }
+        return null;
+    }
+
+    public void put(Object key, Object value) {
+        if (storageType == STORAGE_FILES) {
+            File temp = null;
+            try {
+                temp = File.createTempFile("ffdec_cache", ".tmp");
+            } catch (IOException ex) {
+                Logger.getLogger(Cache.class
+                        .getName()).log(Level.SEVERE, null, ex);
+
+                return;
+            }
+            temp.deleteOnExit();
+            try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(temp))) {
+                oos.writeObject(value);
+                oos.flush();
+
+                cacheFiles.put(key, temp);
+
+
+            } catch (IOException ex) {
+                Logger.getLogger(Helper.class
+                        .getName()).log(Level.SEVERE, null, ex);
+            }
+        } else if (storageType == STORAGE_MEMORY) {
+            cacheMemory.put(key, value);
+        }
+    }
+}