SpringFramework の RESTクライアント を使う場合.java

import java.util.LinkedHashMap;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.client.HttpClientErrorException;
import net.arnx.jsonic.JSON;
 
/*
 * (中略)
 */
 
    /*
     * 覚えておいた Request ID を使って GET する。
     */
    String requestId = "wabi_blast_1111-1111-1111-11-111-111111";
    MultiValueMap<String, String> parts = new LinkedMultiValueMap<String, String>();
    parts.add("info", "request");
    parts.add("format", "json");
    try {
        RestTemplate rest = new RestTemplate();
        String response = rest.getForObject("http://ddbj.nig.ac.jp/wabi/blast/" + requestId, String.class, parts);
        /*
----  response の例 (ここから)  --------------------------------
{
    "address": "",
    "database": "hum",
    "datasets": "ddbjall",
    "format": "json",
    "parameters": " -v 100 -b 100 -e 10 -F F -W 11",
    "program": "blastn",
    "querySequence": ">my query sequence 1\nCACCCTCTCTTCACTGGAAAGGACACCATGAGCACGGAAAGCATGATCCAGGACGTGGAA\nGCTGGCCGAGGAGGCGCTCCCCAGGAAGACAGCAGGGCCCCAGGGCTCCAGGCGGTGCTG\nGTTCCTCAGCCTCTTCTCCTTCCTGCTCGTGGCAGGCGCCGCCAC\n      ",
    "result": "www" 
}
----  response の例 (ここまで)  --------------------------------
         */
        LinkedHashMap<String, String> request = JSON.decode(response, LinkedHashMap.class);
        /*
         * ---- request の例 (ここから)  -------------------
         * request["address"] == "" 
         * request["database"] == "hum" 
         * request["datasets"] == "ddbjall" 
         * request["format"] == "json" 
         * request["parameters"] == " -v 100 -b 100 -e 10 -F F -W 11"
         * request["program"] == "blastn" 
         * request["querySequence"] == ">my query sequence 1\nCACCCTCTCTTCACTGGAAAGGACACCATGAGCACGGAAAGCATGATCCAGGACGTGGAA\nGCTGGCCGAGGAGGCGCTCCCCAGGAAGACAGCAGGGCCCCAGGGCTCCAGGCGGTGCTG\nGTTCCTCAGCCTCTTCTCCTTCCTGCTCGTGGCAGGCGCCGCCAC\n"
         * request["result"] == "www" 
         * ---- request の例 (ここまで)  -------------------
         */
    } catch (HttpClientErrorException e) {
        /*
         * 入力値エラー等。
         */
    }