/**
* 以指定范围内的指定概率执行gc
*
* @param size
* @param rand
*/
public static final void gc(final int size, final long rand) {
if (rand > size) {
throw new RuntimeException(("GC random probability " + rand + " > " + size).intern());
}
if (LSystem.random.nextInt(size) <= rand) {
LSystem.gc();
}
}
/**
* 加载资源文件
*
* @param resName
* @return
*/
public static final ArrayByte getResource(String resName) {
if (resName == null) {
return null;
}
String innerName = resName;
String keyName = innerName.replaceAll(" ", "").toLowerCase();
synchronized (lock) {
if (lazyResources.size() > LSystem.DEFAULT_MAX_CACHE_SIZE) {
lazyResources.clear();
LSystem.gc();
}
byte[] data = (byte[]) lazyResources.get(keyName);
if (data != null) {
return new ArrayByte(data);
}
}
InputStream in = null;
// 外部文件标志
boolean filePath = innerName.startsWith("$");
if (filePath || isExists(resName)) {
try {
innerName = innerName.substring(1, innerName.length());
in = new BufferedInputStream(new FileInputStream(new File(innerName)));
} catch (FileNotFoundException ex) {
}
} else {
in = new BufferedInputStream(classLoader.getResourceAsStream(innerName));
}
ArrayByte byteArray = new ArrayByte();
try {
byteArray.write(in);
in.close();
byteArray.reset();
lazyResources.put(keyName, byteArray.getData());
} catch (IOException ex) {
byteArray = null;
}
if (byteArray == null) {
throw new RuntimeException(resName + " file not found !");
}
return byteArray;
}
/**
* 以指定概率使用gc回收系统资源
*
* @param rand
*/
public static final void gc(final long rand) {
gc(100, rand);
}
/** 清空框架临时资源 */
public static void destroy() {
GraphicsUtils.destroy();
// ZipResource.destroy();
Resources.destroy();
LSystem.gc();
}