FAQ
关于如何在liteBean中动态创建组件
例如建立一个panel组件，代码如下：
Application app = FacesContext.getCurrentInstance().getApplication();
UIPanel uipanel = (UIPanel) app.createComponent(UIPanel.COMPONENT_TYPE);
基于AOM、Spring、Hibernate构建应用时增删改时出现异常的解决方法
增删改时出现以下异常：Write operations are not allowed in read-only mode (FlushMode.NEVER/MANUAL): Turn your Session into FlushMode.COMMIT/AUTO or remove 'readOnly' marker from transaction definition.在applicationContext.xml加入以下代码即可：XXXService是你要注入的Service名
<bean id="baseTransaction"
class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"
abstract="true">
<property name="transactionManager" ref="transactionManager"/>
<!--
<property name="proxyTargetClass" value="true"/>-->
<property name="transactionAttributes">
<props>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="load*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="save*">PROPAGATION_REQUIRED</prop>
<prop key="add*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="remove*">PROPAGATION_REQUIRED</prop>
<prop key="modify*">PROPAGATION_REQUIRED</prop>
<prop key="create*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="txManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<bean id="XXXXXXService" parent="baseTransaction"
class="org.demo.XXXXXXService">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
AOM环境下怎样获取客户端IP和MAC地址
public String getMyIP() {
try {
FacesContext fc = FacesContext.getCurrentInstance();
HttpServletRequest request = (HttpServletRequest)fc.getExternalContext().getRequest();
return request.getRemoteAddr();
}catch (Exception e) {
e.printStackTrace();
}
return "";
}
public String getMACAddress(String ip){
String str = "";
String macAddress = "";
try {
Process p = Runtime.getRuntime().exec("nbtstat -A " + ip);
InputStreamReader ir = new InputStreamReader(p.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
for (int i = 1; i < 100; i++) {
str = input.readLine();
if (str != null) {
if (str.indexOf("MAC Address") > 1) {
macAddress = str.substring(str.indexOf("MAC Address") + 14, str.length());
break;
}
}
}
} catch (IOException e) {
e.printStackTrace(System.out);
}
return macAddress;
}
从requestMap中取中文参数出现乱码
场景描述：修改了Apusic 应用服务器中apusic.conf配置文件，配置了URIEncoding参数为GBK,从requestMap中取中文参数出现乱码。
Apusic应用服务器的apusic.conf文件的修改为：给com.apusic.web.WebService类添加了URIEncoding属性，设置其value值为GBK。具体内容如下：
<SERVICE
CLASS="com.apusic.web.WebService"
>
<ATTRIBUTE NAME="MaxWaitingClients" VALUE="500"/>
<ATTRIBUTE NAME="WaitingClientTimeout" VALUE="5"/>
<ATTRIBUTE NAME="KeepAlive" VALUE="true"/>
<ATTRIBUTE NAME="KeepAliveTimeout" VALUE="15"/>
<ATTRIBUTE NAME="MaxKeepAliveRequests" VALUE="100"/>
<ATTRIBUTE NAME="MaxKeepAliveConnections" VALUE="300"/>
<ATTRIBUTE NAME="NumberSelectors" VALUE="1"/>
<ATTRIBUTE NAME="ServletReloadCheckInterval" VALUE="3"/>
<ATTRIBUTE NAME="EnableLog" VALUE="False"/>
<ATTRIBUTE NAME="LogFileName" VALUE="logs/access.log"/>
<ATTRIBUTE NAME="LogFileLimit" VALUE="1000000"/>
<ATTRIBUTE NAME="LogFileCount" VALUE="10"/>
<ATTRIBUTE NAME="URIEncoding" VALUE="GBK"/>
</SERVICE>
页面带参数的格式为：url="test1.faces?name=中国"
解决方案为：
添加一个filter拦截此类请求，将FaceletViewHandler.CHARACTER_ENCODING_KEY从sessionMap中删除，具体实现为：
public class FixedEncodingFilter implements Filter {
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpSession session = ((HttpServletRequest) request).getSession(false);
if (session != null) {
session.removeAttribute(FaceletViewHandler.CHARACTER_ENCODING_KEY);
}
chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException {
}
}
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