Examples with Injection org.eweb4j.ioc.config.bean.Injection used on opensource projects

Example 1 with Injection

use of org.eweb4j.ioc.config.bean.Injection in project eweb4j-framework by laiweiwei.

the class CheckConfigBean method checkIOCJnject.

/**
	 * Check the IOC component Inject part configuration
	 * 
	 * @param inject
	 * @param iocList
	 * @return
	 */
public static String checkIOCJnject(List<Injection> inject, List<IOCConfigBean> iocList, String beanID, String xmlFile) {
    String error = null;
    ConfigBean cb = (ConfigBean) SingleBeanCache.get(ConfigBean.class.getName());
    if ("true".equalsIgnoreCase(cb.getIoc().getOpen()) || "1".equals(cb.getIoc().getOpen())) {
        StringBuilder sb = new StringBuilder();
        for (Injection inj : inject) {
            if (inj.getRef() != null && !"".equals(inj.getRef())) {
                boolean flag = false;
                for (IOCConfigBean iocBean : iocList) {
                    if (!iocBean.getId().equals(inj.getRef())) {
                        flag = true;
                    } else {
                        flag = false;
                        break;
                    }
                }
                if (flag) {
                    sb.append("当前您填写的 :( ref=").append(inj.getRef()).append(" )是错误的！它必须是本文件中某个bean的id值 ;\n");
                }
            }
            if (!"".equals(inj.getType()) && inj.getType() != null) {
                if (!"int".equalsIgnoreCase(inj.getType()) && !"String".equalsIgnoreCase(inj.getType()) && !"boolean".equalsIgnoreCase(inj.getType()) && !"long".equalsIgnoreCase(inj.getType()) && !"double".equalsIgnoreCase(inj.getType()) && !"float".equalsIgnoreCase(inj.getType())) {
                    String type = inj.getType();
                    try {
                        Thread.currentThread().getContextClassLoader().loadClass(type);
                    } catch (ClassNotFoundException e) {
                        sb.append("当前您填写的：( type=").append(inj.getType()).append(" )是错误的！它只能填写为：int|String|long|float|boolean|double 中的一种 或者有效的类名 ;").append("\n");
                    }
                }
            }
            if ("int".equalsIgnoreCase(inj.getType())) {
                if (!inj.getValue().matches(RegexList.integer_regexp)) {
                    sb.append("当前您填写的：( value=").append(inj.getValue()).append(" )是错误的！它必须是整数！ ;").append("\n");
                }
            }
        }
        if (!"".equals(sb.toString())) {
            error = "\n<br /><b>" + xmlFile + "[bean id=" + beanID + "][inject]:</b>\n" + sb.toString();
        }
    }
    return error;
}

Example 2 with Injection

use of org.eweb4j.ioc.config.bean.Injection in project eweb4j-framework by laiweiwei.

the class IOC method getBean.

/**
	 * 生产出符合beanID名字的bean
	 * 
	 * @param <T>
	 * @param beanID
	 * @return
	 * @throws Exception
	 */
public static synchronized <T> T getBean(String beanID) {
    if (!containsBean(beanID)) {
        return null;
    }
    // 声明用来返回的对象
    T t = null;
    try {
        // 声明构造方法参数列表的初始化值 
        Object[] initargs = null;
        // 声明构造方法参数列表
        Class<?>[] args = null;
        List<Object> initargList = new ArrayList<Object>();
        List<Class<?>> argList = new ArrayList<Class<?>>();
        // setters cache
        Map<String, Object> properties = new Hashtable<String, Object>();
        // 遍历配置文件，找出beanID的bean
        if (IOCConfigBeanCache.containsKey(beanID)) {
            IOCConfigBean iocBean = IOCConfigBeanCache.get(beanID);
            // 取出该bean的类型，便于最后使用反射调用构造方法实例化
            Class<T> clazz = (Class<T>) Thread.currentThread().getContextClassLoader().loadClass(iocBean.getClazz());
            // 判断该bean的生命周期
            if (IOCConfigConstant.SINGLETON_SCOPE.equalsIgnoreCase(iocBean.getScope())) {
                // 如果是单件，就从单件缓存池中取
                if (SingleBeanCache.containsKey(beanID)) {
                    t = (T) SingleBeanCache.get(beanID);
                    return t;
                }
            }
            // 遍历每个bean的注入配置
            for (Iterator<Injection> it = iocBean.getInject().iterator(); it.hasNext(); ) {
                Injection inj = it.next();
                if (inj == null)
                    continue;
                String ref = inj.getRef();
                if (ref != null && !"".equals(ref)) {
                    // 如果ref不为空，说明注入的是对象类型，后面需要进入递归
                    String name = inj.getName();
                    if (name != null && !"".equals(name)) {
                        // 如果属性名字不为空，说明使用的是setter注入方式
                        properties.put(name, getBean(ref));
                    } else {
                        // 如果属性名字为空，说明使用的是构造器注入方式
                        // 使用构造器注入的时候，需要按照构造器参数列表顺序实例化
                        Object obj = getBean(ref);
                        initargList.add(obj);
                        String type = inj.getType();
                        if (type != null && type.trim().length() > 0) {
                            Class<?> cls = Thread.currentThread().getContextClassLoader().loadClass(type);
                            argList.add(cls);
                        } else {
                            argList.add(obj.getClass());
                        }
                    }
                } else {
                    // 注入基本类型
                    String type = inj.getType();
                    String value = inj.getValue();
                    if (value == null)
                        value = "";
                    String name = inj.getName();
                    if (name != null && !"".equals(name)) {
                        // 如果属性名字不为空，说明使用的是setter注入方式
                        if (IOCConfigConstant.INT_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Integer".equalsIgnoreCase(type)) {
                            if ("".equals(value.trim()))
                                value = "0";
                            // int
                            properties.put(name, Integer.parseInt(value));
                        } else if (IOCConfigConstant.STRING_ARGTYPE.equalsIgnoreCase(type) || "java.lang.String".equalsIgnoreCase(type)) {
                            // String
                            properties.put(name, value);
                        } else if (IOCConfigConstant.LONG_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Long".equalsIgnoreCase(type)) {
                            // long
                            if ("".equals(value.trim()))
                                value = "0";
                            properties.put(name, Long.parseLong(value));
                        } else if (IOCConfigConstant.FLOAT_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Float".equalsIgnoreCase(type)) {
                            // float
                            if ("".equals(value.trim()))
                                value = "0.0";
                            properties.put(name, Float.parseFloat(value));
                        } else if (IOCConfigConstant.BOOLEAN_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Boolean".equalsIgnoreCase(type)) {
                            // boolean
                            if ("".equals(value.trim()))
                                value = "false";
                            properties.put(name, Boolean.parseBoolean(value));
                        } else if (IOCConfigConstant.DOUBLE_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Double".equalsIgnoreCase(type)) {
                            // double
                            if ("".equals(value.trim()))
                                value = "0.0";
                            properties.put(name, Double.parseDouble(value));
                        }
                    } else {
                        // 使用构造器注入的时候，需要按照构造器参数列表顺序实例化
                        if (IOCConfigConstant.INT_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Integer".equalsIgnoreCase(type)) {
                            // int
                            if ("".equals(value.trim()))
                                value = "0";
                            argList.add(int.class);
                            initargList.add(Integer.parseInt(value));
                        } else if (IOCConfigConstant.LONG_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Long".equalsIgnoreCase(type)) {
                            // long
                            if ("".equals(value.trim()))
                                value = "0";
                            argList.add(long.class);
                            initargList.add(Long.parseLong(value));
                        } else if (IOCConfigConstant.FLOAT_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Float".equalsIgnoreCase(type)) {
                            // float
                            if ("".equals(value.trim()))
                                value = "0.0";
                            argList.add(float.class);
                            initargList.add(Float.parseFloat(value));
                        } else if (IOCConfigConstant.BOOLEAN_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Boolean".equalsIgnoreCase(type)) {
                            // boolean
                            if ("".equals(value.trim()))
                                value = "false";
                            argList.add(boolean.class);
                            initargList.add(Boolean.parseBoolean(value));
                        } else if (IOCConfigConstant.DOUBLE_ARGTYPE.equalsIgnoreCase(type) || "java.lang.Double".equalsIgnoreCase(type)) {
                            // double
                            if ("".equals(value.trim()))
                                value = "0.0";
                            argList.add(double.class);
                            initargList.add(Double.parseDouble(value));
                        } else if (IOCConfigConstant.STRING_ARGTYPE.equalsIgnoreCase(type) || "java.lang.String".equalsIgnoreCase(type)) {
                            // String
                            argList.add(String.class);
                            initargList.add(value);
                        }
                    }
                }
            }
            // 如果构造方法参数列表不为空，说明需要使用构造方法进行注入
            if (argList.size() > 0 && initargList.size() > 0) {
                args = new Class<?>[argList.size()];
                initargs = new Object[initargList.size()];
                for (int i = 0; i < argList.size(); i++) {
                    args[i] = argList.get(i);
                    initargs[i] = initargList.get(i);
                }
                t = clazz.getDeclaredConstructor(args).newInstance(initargs);
            } else if (t == null) {
                t = clazz.newInstance();
                for (Iterator<Entry<String, Object>> it = properties.entrySet().iterator(); it.hasNext(); ) {
                    Entry<String, Object> e = it.next();
                    final String name = e.getKey();
                    ReflectUtil ru = new ReflectUtil(t);
                    Method m = ru.getSetter(name);
                    if (m == null)
                        continue;
                    m.invoke(t, e.getValue());
                }
            }
            // 判断该bean的生命周期
            if (IOCConfigConstant.SINGLETON_SCOPE.equalsIgnoreCase(iocBean.getScope())) {
                // 如果是单件，就从单件缓存池中取
                if (!SingleBeanCache.containsKey(beanID)) {
                    SingleBeanCache.add(beanID, t);
                }
            }
        }
    } catch (Throwable e) {
        log.error("IOC.getBean(" + beanID + ") failed!", e);
    }
    String info = "IOC.getBean(" + beanID + ") -> " + t;
    log.debug(info);
    return t;
}

Example 3 with Injection

use of org.eweb4j.ioc.config.bean.Injection in project eweb4j-framework by laiweiwei.

the class IOCConfigBeanCreator method getIOCBean.

public static IOCConfigBean getIOCBean() {
    IOCConfigBean iocBean = null;
    iocBean = new IOCConfigBean();
    List<Injection> list = new ArrayList<Injection>();
    Injection depen = new Injection();
    list.add(depen);
    iocBean.setInject(list);
    return iocBean;
}