REST ガンマン

JAX-RS (Jersey) でRESTインタフェースを実現しました。

type=html/text/json(2種類)/jsonp のパターンを試しました。

type=html

type=text

type=json

type=json(2)

type=jsonp

JSONPのクライアント(javascript(jQuery+$ajax))

サーバ記述(JAX-RS (jersey) )

package gunman;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.core.MediaType;

import org.glassfish.jersey.server.JSONP;

@Path("/gunclock/")
public class REST_GunClock {

   static String getGunClock(String newline, int clockSize){
       GunClockBean gcb = new GunClockBean();
       gcb.setStrNewline(newline);
       gcb.setClockSize(clockSize);
       String gunclock = gcb.getGunClock();
       return gunclock;
   }

@Path("text/{clocksize}")
   // This method is called if TEXT_PLAIN is request
   @GET
   @Produces(MediaType.TEXT_PLAIN)
   public String getGunClockText(@PathParam("clocksize") final int pClocksize) {
       String gunclock = getGunClock("\n", pClocksize);
       return gunclock;
   }

   // This method is called if HTML is request ★ブラウザアクセスは、こちら（この記述がなければ、TEXT_PLAIN
@Path("html/{clocksize}")
   @GET
   @Produces(MediaType.TEXT_HTML)
   public String getGunClockHtmlWithClocksize(@PathParam("clocksize") final int pClocksize) {
       String gunclock = getGunClock("\n", pClocksize);
       return "<html> " + "<title>" + "GunClock-REST(html)" + "</title>"
               + "<body><pre>" + gunclock + "</body></pre>" + "</html> ";
   }

@Path("json/{clocksize}")
   @GET
   @Produces(MediaType.APPLICATION_JSON)
   public Map<String, String> getGunClockJSON(@PathParam("clocksize") final int pClocksize) {
       String gunclock = getGunClock("\n", pClocksize);
       String line[] = gunclock.split("\n");

       Map<String, String> map = new HashMap<>();
       String s = "";
       for ( int i=0; i<line.length; i++){
           if ( i != 0 ) {
               s += ",";
           }
           s += line[i];
       }
       map.put("message", s);
       return map;
   }

@Path("json2/{clocksize}")
   @GET
   @Produces(MediaType.APPLICATION_JSON)
   public List<String> getGunClockJSON2(@PathParam("clocksize") final int pClocksize) {
       String gunclock = getGunClock("\n", pClocksize);
       String line[] = gunclock.split("\n");

       List<String> list = new ArrayList<String>();
       for ( int i=0; i<line.length; i++){
           list.add(line[i]);
       }
       return list;
   }

   public class JaxbBean {
       private String message;
       public JaxbBean() {}
       public JaxbBean(final String message) {
           this.message = message;
       }
       public String getMessage() {
           return message;
       }
       public void setMessage(final String message) {
           this.message = message;
       }
   }

@Path("jsonp/{clocksize}")
   @GET
   @JSONP(callback = "callback", queryParam = "callback")
   @Produces({"application/javascript"})
   //public JaxbBean getGunClockJSON(@PathParam("clocksize") final int pClocksize, @QueryParam("callback") @DefaultValue("callback") String callback) {
   public JaxbBean getGunClockJSONP(@PathParam("clocksize") final int pClocksize) {
       String gunclock = getGunClock("\n", pClocksize);
       String line[] = gunclock.split("\n");

       String s = "";
       for ( int i=0; i<line.length; i++){
           if ( i != 0 ) {
               s += ",";
           }
           s += line[i];
       }

return new JaxbBean(s);
}

}

クライアント記述(jQuery ($.ajax) )

// const endpoint = "http://localhost:8080/GunmanREST/rest/gunclock/jsonp/30"; //OK
// const endpoint = "http://35.188.68.139:8080/GunmanREST/rest/gunclock/jsonp/26"; //OK
const endpoint = "https://35.188.68.139:8443/GunmanREST/rest/gunclock/jsonp/26"; //OK
// const endpoint = "https://35.225.1.11:8443/GunmanREST/rest/gunclock/jsonp/26"; //OK

$.ajax({
type: 'GET',
url: endpoint,
dataType: 'jsonp',
data: {
},
success: out => {
// alert(out.message);
showJson(out.message);
gunClockAsync(out.message);
}
});

function showJson(mes) {
document.getElementById('jsontext').value = mes;
}

function gunClockAsync(mes) {

var lines = null;
var gunClockImage = "";

lines = mes.split(",");
for ( i=0; i<lines.length; i++) {
gunClockImage += lines[i] + "\n";
}
document.getElementById('gunclock').value = gunClockImage;
}