package com.dianping.cat;
import java.io.IOException;
import java.io.InputStream;
import org.unidal.helper.Urls;
import org.unidal.webres.helper.Files;
import org.unidal.webres.json.JsonArray;
import org.unidal.webres.json.JsonObject;
public class Api {
private static String BU_API = "http://api.cmdb.dp/api/v0.1/bu";
private static String PROJECT_API = "http://api.cmdb.dp/api/v0.1/bu/%s/products?page=%s";
public static void main(String args[]) throws Exception {
String content = fetchContent(BU_API);
JsonObject object = new JsonObject(content);
JsonArray projectArray = object.getJSONArray("bu");
int length = projectArray.length();
for (int i = 0; i < length; i++) {
JsonObject project = projectArray.getJSONObject(i);
String bu = project.getString("bu_name");
String nextUrl = String.format(PROJECT_API, bu, String.valueOf(1));
String detailContent = fetchContent(nextUrl);
print(bu, detailContent);
findNextProjects(bu, detailContent);
System.out.println();
}
}
private static void findNextProjects(String bu, String detailContent) throws Exception, IOException {
JsonObject jobject = new JsonObject(detailContent);
int number = jobject.getInt("numfound");
int index = (int) Math.ceil(number * 1.0 / 25.0);
for (int j = 2; j <= index; j++) {
String nextUrl = String.format(PROJECT_API, bu, String.valueOf(j));
String content = fetchContent(nextUrl);
print(bu, content);
}
}
private static void print(String bu, String detailContent) throws Exception {
JsonObject object = new JsonObject(detailContent);
JsonArray projectArray = object.getJSONArray("products");
int length = projectArray.length();
for (int i = 0; i < length; i++) {
JsonObject project = projectArray.getJSONObject(i);
String projectName = project.getString("product_name");
System.out.println(bu + "\t" + projectName);
}
}
private static String fetchContent(String url) throws IOException {
InputStream in = Urls.forIO().readTimeout(1000).connectTimeout(1000).openStream(url);
String content = Files.forIO().readFrom(in, "utf-8");
return content;
}
}