<일부 모드> - 책임 체인(단순 시뮬레이션2)
4879 단어 패턴
package com.macrotea.responzchain.entity;
public class Request {
private String content;
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
}
package com.macrotea.responzchain.entity;
public class Response {
private String reply;
public String getReply() {
return reply;
}
public void setReply(String reply) {
this.reply = reply;
}
}
package com.macrotea.responzchain.interfazz;
import com.macrotea.responzchain.chain.FilterChain;
import com.macrotea.responzchain.entity.Request;
import com.macrotea.responzchain.entity.Response;
public interface Filter {
public void doFilter(Request request,Response response,FilterChain chain);
}
package com.macrotea.responzchain.impl;
import com.macrotea.responzchain.chain.FilterChain;
import com.macrotea.responzchain.entity.Request;
import com.macrotea.responzchain.entity.Response;
import com.macrotea.responzchain.interfazz.Filter;
public class HTMLFilter implements Filter {
@Override
public void doFilter(Request request, Response response,FilterChain chain) {
request.setContent(request.getContent()+"-->HTMLFilter");
/* */
chain.doFilter(request, response,chain);
response.setReply(response.getReply()+"-->HTMLFilter");
}
}
package com.macrotea.responzchain.impl;
import com.macrotea.responzchain.chain.FilterChain;
import com.macrotea.responzchain.entity.Request;
import com.macrotea.responzchain.entity.Response;
import com.macrotea.responzchain.interfazz.Filter;
public class HarmonyFilter implements Filter {
@Override
public void doFilter(Request request, Response response, FilterChain chain) {
request.setContent(request.getContent()+"-->HarmonyFilter");
/* */
chain.doFilter(request, response,chain);
response.setReply(response.getReply()+"-->HarmonyFilter");
}
}
package com.macrotea.responzchain.chain;
import java.util.ArrayList;
import java.util.List;
import com.macrotea.responzchain.entity.Request;
import com.macrotea.responzchain.entity.Response;
import com.macrotea.responzchain.interfazz.Filter;
public class FilterChain implements Filter{
private List<Filter> filters;
private int index=0;
public FilterChain() {
super();
filters = new ArrayList<Filter>();
}
public FilterChain appendFilter(Filter filter) {
filters.add(filter);
return this;
}
public FilterChain removeFilter(Filter filter) {
filters.remove(filter);
return this;
}
@Override
public void doFilter(Request request, Response response,FilterChain chain) {
if(index==filters.size())return;
Filter filter=filters.get(index);
index++;
/* */
filter.doFilter(request, response, chain);
}
}
package com.macrotea.responzchain.test;
import com.macrotea.responzchain.chain.FilterChain;
import com.macrotea.responzchain.entity.Request;
import com.macrotea.responzchain.entity.Response;
import com.macrotea.responzchain.impl.HTMLFilter;
import com.macrotea.responzchain.impl.HarmonyFilter;
public class Mainer {
public static void main(String[] args) {
Request request =new Request();
request.setContent(" ");
Response response=new Response();
response.setReply(" ");
FilterChain chain=new FilterChain();
chain.appendFilter(new HTMLFilter()).appendFilter(new HarmonyFilter());
chain.doFilter(request, response, chain);
System.out.println(" FilterChain : "+request.getContent());
System.out.println(" FilterChain : "+response.getReply());
}
}
// :
FilterChain : -->HTMLFilter-->HarmonyFilter
FilterChain : -->HarmonyFilter-->HTMLFilter
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