/**
* 获取一个字段的泛型参数数组，如果这个字段没有泛型，返回空数组
*
* @param f 字段
* @return 泛型参数数组
*/
public static Class<?>[] getGenericTypes(Field f) {
String gts = f.toGenericString();
Matcher m = PTN.matcher(gts);
if (m.find()) {
String s = m.group(2);
String[] ss = Strings.splitIgnoreBlank(s);
if (ss.length > 0) {
Class<?>[] re = new Class<?>[ss.length];
try {
for (int i = 0; i < ss.length; i++) {
String className = ss[i];
if (className.length() > 0 && className.charAt(0) == '?') re[i] = Object.class;
else {
int pos = className.indexOf('<');
if (pos < 0) re[i] = Lang.loadClass(className);
else re[i] = Lang.loadClass(className.substring(0, pos));
}
}
return re;
} catch (ClassNotFoundException e) {
throw Lang.wrapThrow(e);
}
}
}
return new Class<?>[0];
}
static {
try {
/** 加载DruidDataSourceFactory, 即Druid连接池的工厂类 */
druidFactoryClass = Lang.loadClass("com.alibaba.druid.pool.DruidDataSourceFactory");
} catch (ClassNotFoundException e) {
// 找不到就用内置的SimpleDataSource好了.
// TODO 支持其他类型的数据源, 低优先级
}
}
/** @return 如果当前类为内部类，则返回其外部类。否则返回 null */
public Class<?> getOuterClass() {
if (Modifier.isStatic(klass.getModifiers())) return null;
String name = klass.getName();
int pos = name.lastIndexOf('$');
if (pos == -1) return null;
name = name.substring(0, pos);
try {
return Lang.loadClass(name);
} catch (ClassNotFoundException e) {
return null;
}
}
public void init() throws Exception {
String prefix = "cron.";
for (String key : conf.getKeys()) {
if (key.length() < prefix.length() + 1 || !key.startsWith(prefix)) continue;
String name = key.substring(prefix.length());
if ("pkgs".equals(name)) {
log.debug("found cron job packages = " + conf.get(key));
for (String pkg : Strings.splitIgnoreBlank(conf.get(key), ",")) {
addPackage(pkg);
}
continue;
}
String cron = conf.get(key);
log.debugf("job define name=%s cron=%s", name, cron);
Class<?> klass = null;
if (name.contains(".")) {
klass = Lang.loadClass(name);
} else {
klass = Lang.loadClass(getClass().getPackage().getName() + ".job." + name);
}
cron(cron, klass);
}
}
public void setExpert(Object obj) throws Exception {
if (obj == null) throw new NullPointerException("expert MUST NOT NULL!!");
if (obj instanceof JdbcExpert) {
this.expert = (JdbcExpert) obj;
} else {
String name = obj.toString();
this.expert = Jdbcs.getExpert(name, "");
if (this.expert == null) {
if (name.contains(".")) {
this.expert = (JdbcExpert) Lang.loadClass(name).newInstance();
} else {
throw new DaoException("not such expert=" + obj);
}
}
}
DataSource ds = this.dataSource;
// 如果数据源比expert先设置,那么需要重新设置一次
if (ds != null) {
this.dataSource = null;
setDataSource(ds);
}
}