本文整理了Java中org.nutz.lang.Lang.filter()方法的一些代码示例，展示了Lang.filter()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Lang.filter()方法的具体详情如下：
包路径：org.nutz.lang.Lang
类名称：Lang
方法名：filter

Lang.filter介绍

[英]map对象浅过滤,返回值是一个新的map
[中]地图对象浅过滤,返回值是一个新的地图

代码示例

代码示例来源：origin: nutzam/nutz

@SuppressWarnings({ "unchecked", "rawtypes" })
public <T> T makeDeep(Class<T> klass, String prefix) {
  Map map = this;
  return (T) Mapl.maplistToObj(Lang.filter(map, prefix, null, null, null), klass);
}

代码示例来源：origin: nutzam/nutz

@SuppressWarnings({ "rawtypes", "unchecked" })
  public <T> T make(Class<T> klass, String prefix) {
    Map map = this;
    Mirror<T> mirror = Mirror.me(klass);
    T t = mirror.born();
    map = Lang.filter(map, prefix, null, null, null);
    for (Entry<String, Object> en : ((Map<String, Object>) map).entrySet()) {
      String name = en.getKey();
      Injecting setter = null;
      try {
        setter = mirror.getInjecting(name);
      }
      catch (Exception e) {
        log.debugf("no such field(name=%s) at object class=%s, skip", name, t.getClass().getName());
        continue;
      }
      setter.inject(t, en.getValue());
    }
    return t;
  }
}

代码示例来源：origin: org.nutz/nutzboot-starter-jdbc

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public Map<String, String> getInitParameters() {
  Map<String, String> params = new HashMap<>();
  Map<String, Object> _tmp = Lang.filter((Map)conf.toMap(), PRE, null, null, null);
  for (Entry<String, Object> en : _tmp.entrySet()) {
    params.put(en.getKey(), String.valueOf(en.getValue()));
  }
  return params;
}
public int getOrder() {

代码示例来源：origin: nutzam/nutzboot

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public Map<String, String> getInitParameters() {
  Map<String, String> params = new HashMap<>();
  Map<String, Object> _tmp = Lang.filter((Map)conf.toMap(), PRE, null, null, null);
  for (Entry<String, Object> en : _tmp.entrySet()) {
    params.put(en.getKey(), String.valueOf(en.getValue()));
  }
  return params;
}
public int getOrder() {

代码示例来源：origin: org.nutz/nutz

@SuppressWarnings({ "unchecked", "rawtypes" })
public <T> T makeDeep(Class<T> klass, String prefix) {
  Map map = this;
  return (T) Mapl.maplistToObj(Lang.filter(map, prefix, null, null, null), klass);
}

代码示例来源：origin: nutzam/nutzboot

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public Map<String, String> getInitParameters() {
  Map<String, String> params = new HashMap<>();
  Map<String, Object> _tmp = Lang.filter((Map)conf.toMap(), PRE, null, null, null);
  if (!_tmp.containsKey(StatViewServlet.PARAM_NAME_USERNAME))
    _tmp.put(StatViewServlet.PARAM_NAME_USERNAME, "druid");
  if (!_tmp.containsKey(StatViewServlet.PARAM_NAME_PASSWORD)) {
    String pwd = R.UU32();
    _tmp.put(StatViewServlet.PARAM_NAME_PASSWORD, pwd);
    log.infof("druid stat view random user=%s password=%s", _tmp.get(StatViewServlet.PARAM_NAME_USERNAME), pwd);
  }
  for (Entry<String, Object> en : _tmp.entrySet()) {
    params.put(en.getKey(), String.valueOf(en.getValue()));
  }
  return params;
}

代码示例来源：origin: org.nutz/nutzboot-starter-jdbc

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public Map<String, String> getInitParameters() {
  Map<String, String> params = new HashMap<>();
  Map<String, Object> _tmp = Lang.filter((Map)conf.toMap(), PRE, null, null, null);
  if (!_tmp.containsKey(StatViewServlet.PARAM_NAME_USERNAME))
    _tmp.put(StatViewServlet.PARAM_NAME_USERNAME, "druid");
  if (!_tmp.containsKey(StatViewServlet.PARAM_NAME_PASSWORD)) {
    String pwd = R.UU32();
    _tmp.put(StatViewServlet.PARAM_NAME_PASSWORD, pwd);
    log.infof("druid stat view random user=%s password=%s", _tmp.get(StatViewServlet.PARAM_NAME_USERNAME), pwd);
  }
  for (Entry<String, Object> en : _tmp.entrySet()) {
    params.put(en.getKey(), String.valueOf(en.getValue()));
  }
  return params;
}

代码示例来源：origin: nutzam/nutzboot

@SuppressWarnings({"rawtypes", "unchecked"})
public static DataSource createDruidDataSource(PropertiesProxy conf, String prefix) throws Exception {
  Map map = Lang.filter(new HashMap(conf.toMap()), prefix, null, null, null);
  DruidDataSource dataSource = (DruidDataSource) DruidDataSourceFactory.createDataSource(map);
  if (!conf.has(prefix + "filters"))
    dataSource.setFilters("stat");
  
  return dataSource;
}

代码示例来源：origin: org.nutz/nutz

@SuppressWarnings({ "rawtypes", "unchecked" })
  public <T> T make(Class<T> klass, String prefix) {
    Map map = this;
    Mirror<T> mirror = Mirror.me(klass);
    T t = mirror.born();
    map = Lang.filter(map, prefix, null, null, null);
    for (Entry<String, Object> en : ((Map<String, Object>) map).entrySet()) {
      String name = en.getKey();
      Injecting setter = null;
      try {
        setter = mirror.getInjecting(name);
      }
      catch (Exception e) {
        log.debugf("no such field(name=%s) at object class=%s, skip", name, t.getClass().getName());
        continue;
      }
      setter.inject(t, en.getValue());
    }
    return t;
  }
}

代码示例来源：origin: org.nutz/nutzboot-starter-jdbc

@SuppressWarnings({"rawtypes", "unchecked"})
public static DataSource createDruidDataSource(PropertiesProxy conf, String prefix) throws Exception {
  Map map = Lang.filter(new HashMap(conf.toMap()), prefix, null, null, null);
  DruidDataSource dataSource = (DruidDataSource) DruidDataSourceFactory.createDataSource(map);
  if (!conf.has(prefix + "filters"))
    dataSource.setFilters("stat");
  
  return dataSource;
}