package ?state;

 import ?context.Context;

 public ? class ?DesignTemplateState? implements ?State? {

???? public ?String?toString()? {
???????? return ? " 設(shè)計(jì)模板狀態(tài) " ;
????}

???? public ? void ?nextState(Context?c)? {
????????c.setState( new ?InspectTemplateState());
????}

???? public ? void ?previousState(Context?c)? {

????}

}
package ?state;

 import ?context.Context;

 public ? class ?InspectTemplateState? implements ?State? {

???? public ?String?toString()? {
???????? return ? " 審批模板狀態(tài) " ;
????}

???? public ? void ?nextState(Context?c)? {
????????c.setState( new ?FillDataState());
????}

???? public ? void ?previousState(Context?c)? {
????????c.setState( new ?ReworkTemplateState());
????}

}
package ?state;

 import ?context.Context;

 public ? class ?ReworkTemplateState? implements ?State? {

???? public ?String?toString()? {
???????? return ? " 修改模塊狀態(tài) " ;
????}

???? public ? void ?nextState(Context?c)? {
????????c.setState( new ?InspectTemplateState());????????
????}

???? public ? void ?previousState(Context?c)? {
????????c.setState( new ?InspectTemplateState());????????
????}

}
package ?state;

 import ?context.Context;

 public ? class ?FillDataState? implements ?State? {


???? public ?String?toString()? {
???????? return ? " 填寫(xiě)數(shù)據(jù)狀態(tài) " ;
????}

???? public ? void ?nextState(Context?c)? {
????????c.setState( new ?InspectDataState());????????
????}

???? public ? void ?previousState(Context?c)? {
????}
}
package ?state;

 import ?context.Context;

 public ? class ?InspectDataState? implements ?State? {

???? public ?String?toString()? {
???????? return ? " 審批數(shù)據(jù)狀態(tài) " ;
????}

???? public ? void ?nextState(Context?c)? {
????????c.setState( new ?DownloadData());
????}

???? public ? void ?previousState(Context?c)? {
????????c.setState( new ?ReworkDataState());
????}

}
package ?state;

 import ?context.Context;

 public ? class ?ReworkDataState? implements ?State? {

???? public ?String?toString()? {
???????? return ? " 修改數(shù)據(jù)狀態(tài) " ;
????}

???? public ? void ?nextState(Context?c)? {
????????c.setState( new ?InspectDataState());
????}

???? public ? void ?previousState(Context?c)? {
????????c.setState( new ?InspectDataState());
????}

}
package ?state;

 import ?context.Context;

 public ? class ?DownloadData? implements ?State? {

???? public ?String?toString()? {
???????? return ? " 下載數(shù)據(jù)狀態(tài) " ;
????}

???? public ? void ?nextState(Context?c)? {
????????
????}

???? public ? void ?previousState(Context?c)? {
????}

}
package ?context;

 import ?state.State;

 public ? interface ?Context? {
???? public ? void ?setState(State?state);
???? public ? void ?pass();
???? public ? void ?noPass();
???? public ?State?getState();?
}
package ?context;

 import ?state.State;

 public ? class ?NewContext? implements ?Context? {
????State?state;
???? public ? void ?setState(State?state)? {
???????? this .state? = ?state;
????}
????
???? public ? void ?pass() {
????????state.nextState( this );
????}
????
???? public ? void ?noPass() {
????????state.previousState( this );
????}
????
???? public ?State?getState() {
???????? return ?state;
????}
}
import ?java.io.BufferedReader;
 import ?java.io.IOException;
 import ?java.io.InputStreamReader;
 // import?java.util.StringTokenizer;

import ?state.DesignTemplateState;
 import ?state.State;

 import ?context.Context;
 import ?context.NewContext;

 public ? class ?TestState? {

???? /**
?????*? @param ?args
????? */
???? public ? static ? void ?main(String[]?args)? {
????????Context?context? = ? new ?NewContext();
????????State??dts? = ? new ?DesignTemplateState();
????????context.setState(dts);
????????InputStreamReader?is = new ?InputStreamReader(System.in);
????????BufferedReader?br = new ?BufferedReader(is);?
???????? // StringTokenizer?st;?
???????? while ( true ) {
???????????? try ? {?
????????????????System.out.print( " 當(dāng)前狀態(tài)是： " );?
????????????????System.out.println(context.getState());
????????????????System.out.println( " 進(jìn)行下一作業(yè)“N”，還是回上一作業(yè)“P”,“Q”退出： " );
????????????????System.out.flush();?
????????????????String?myline = br.readLine();?
???????????????? if (myline.equals( " N " ))
????????????????????context.pass();
???????????????? else ? if (myline.equals( " P " ))
????????????????????context.noPass();
???????????????? else ? if (myline.equals( " Q " ))
???????????????????? break ;
???????????????? // st=new?StringTokenizer(myline);?
???????????????? // i=Integer.parseInt(st.nextToken());?
???????????????? // if(i<0)
???????????????????? // break;
???????????????? // System.out.println("got:"+i);?
????????????} ? catch ?(IOException?ioe)? {
????????????????????System.out.println( " IO?error: " + ioe);?
????????????}
????????????
????????}
????}

}