MVC框架实现3---Smart框架配置文件解析

<?xml version="1.0" encoding="UTF-8" ?>

<Smart-Config>

<!--
<RequestProcessor class="com.smart.servlet.helper.DefaultRequestProcessor"/>
<Converter target="java.util.Date" class="com.smart.converter.UtilDateConverter" />
-->
<Actions>
<!-- Action 可配置多个，每个Action同样可以配置多个Result -->
<Action name="helloAction" class="com.app.HelloAction" method="execute1">
<Result name="index">/index.jsp</Result>
</Action>
</Actions>

</Smart-Config>

package com.smart.config;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;

import com.smart.common.SmartConstants;
import com.smart.context.ConfigContext;
import com.smart.context.SmartContext;
import com.smart.exception.ConfigResolverException;

/**
* 解析smart配置文件
* 用dom4j为工具来解析
* @author issuser
*
*/
public class ConfigResolver {

@SuppressWarnings("unchecked")
public static void configResolving( File cfgFile){
ConfigContext configContext = null;

try {
//将文档读取到内存
SAXReader reader = new SAXReader();
Document doc = reader.read(cfgFile);

//读取配置文件根节点Smart-Config
Node root = doc.selectSingleNode("/"+SmartConstants.ROOT_NODE_CONFIG);
configContext = SmartContext.getContext().getConfigContext();

//解析RequestProcessor节点
Node processorNode = root.selectSingleNode(SmartConstants.PROCESSOR_NODE_CONFIG);
if( processorNode != null ){
Element e = (Element)processorNode;
configContext.setProcessorDefine(
new RequestProcessorDefine(e.attributeValue(SmartConstants.CLASS_ATTR_CONFIG)));
}

//解析Converter节点
List<ConverterDefine> cds = configContext.getCds();
List<Element> cs = (List<Element>)root.selectNodes(SmartConstants.CONVERTER_NODE_CONFIG);
for( Element e : cs){
ConverterDefine cd = new ConverterDefine();
cd.setClazz(e.attributeValue(SmartConstants.CLASS_ATTR_CONFIG));
cd.setTarget(e.attributeValue(SmartConstants.TARGET_ATTR_CONFIG));
cds.add(cd);
}

//解析Actions节点
Node actionsNode = root.selectSingleNode(SmartConstants.ACTIONS_NOAD_CONFIG);
if( actionsNode != null ){
Map<String,ActionDefine> actions = configContext.getActions();

//解析Actions中的每个Action节点
List<Element> list = (List<Element>)actionsNode.selectNodes(SmartConstants.ACTION_NOAD_CONFIG);
for( Element e : list ){

ActionDefine actionDefine = new ActionDefine();
actionDefine.setName(e.attributeValue(SmartConstants.NAME_ATTR_CONFIG));
actionDefine.setClazz(e.attributeValue(SmartConstants.CLASS_ATTR_CONFIG));
if(e.attributeValue(SmartConstants.METHOD_ATTR_CONFIG) != null ){
actionDefine.setMethod(e.attributeValue(SmartConstants.METHOD_ATTR_CONFIG));
}

//解析Action节点中的每个Result节点
List<ForwarderDefine> fds = new ArrayList<ForwarderDefine>();
List<Element> rs = e.selectNodes(SmartConstants.RESULT_NOAD_CONFIG);
for( Element r : rs ){
ForwarderDefine fd = new ForwarderDefine();
fd.setName(r.attributeValue(SmartConstants.NAME_ATTR_CONFIG));
fd.setPath(r.getStringValue());

fds.add(fd);
}

actionDefine.setFdList(fds);

actions.put(actionDefine.getClazz(), actionDefine);
}
}

} catch (Exception e){
throw new ConfigResolverException(e);
}

}

}

package com.smart.config;

import java.util.List;

import com.smart.common.SmartConstants;

/**封装配置文件中Action节点数据**/
public class ActionDefine {

private String name; // Action的名字
private String clazz;	//Action的类名
private String method = SmartConstants.METHOD_DEFAULT_ACTION;	//Action的调用方法，默认为execute
private List<ForwarderDefine> fdList;

public ActionDefine(){}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getClazz() {
return clazz;
}

public void setClazz(String clazz) {
this.clazz = clazz;
}

public List<ForwarderDefine> getFdList() {
return fdList;
}

public void setFdList(List<ForwarderDefine> fdList) {
this.fdList = fdList;
}

public String getMethod() {
return method;
}

public void setMethod(String method) {
this.method = method;
}
}

package com.smart.config;

public class ConverterDefine {

private String target;
private String clazz;

public ConverterDefine(){}
public ConverterDefine( String target ,String clazz ){
this.target = target;
this.clazz = clazz;
}
public String getTarget() {
return target;
}
public void setTarget(String target) {
this.target = target;
}
public String getClazz() {
return clazz;
}
public void setClazz(String clazz) {
this.clazz = clazz;
}
}

package com.smart.config;

/**
* 封装Result节点数据
* @author qiaoyupeng
*
*/
public class ForwarderDefine {

private String name;
private String path;	//jsp页面路径，以“/”开头
private boolean response = false;

public ForwarderDefine(){}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getPath() {
return path;
}

public void setPath(String path) {
this.path = path;
}

public boolean isResponse() {
return response;
}

public void setResponse(boolean response) {
this.response = response;
}
}

package com.smart.config;

public class RequestProcessorDefine {

private String clazz;

public RequestProcessorDefine( String clazz ){
this.clazz = clazz;
}

public String getClazz() {
return clazz;
}

public void setClazz(String clazz) {
this.clazz = clazz;
}

}