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533
src/main/java/net/lamgc/cgj/pixiv/PixivDownload.java
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533
src/main/java/net/lamgc/cgj/pixiv/PixivDownload.java
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@ -0,0 +1,533 @@
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package net.lamgc.cgj.pixiv;
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import com.google.gson.Gson;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import io.netty.handler.codec.http.HttpHeaderNames;
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import org.apache.http.Header;
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import org.apache.http.HttpHost;
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import org.apache.http.HttpRequest;
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import org.apache.http.HttpResponse;
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import org.apache.http.client.CookieStore;
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import org.apache.http.client.HttpClient;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.impl.client.HttpClientBuilder;
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import org.apache.http.message.BasicHeader;
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import org.apache.http.util.EntityUtils;
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import org.jsoup.Jsoup;
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import org.jsoup.nodes.Document;
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import org.jsoup.select.Elements;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.BufferedInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.*;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.function.BiConsumer;
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public class PixivDownload {
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private final static Logger log = LoggerFactory.getLogger("PixivDownload");
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private final HttpClient httpClient;
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private final CookieStore cookieStore;
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/**
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* 构造一个PixivDownload对象
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* @param cookieStore 存在已登录Pixiv的CookieStore对象
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*/
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public PixivDownload(CookieStore cookieStore) {
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this(cookieStore, null);
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}
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/**
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* 构造一个PixivDownload对象
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* @param cookieStore 存在已登录Pixiv的CookieStore对象
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* @param proxy 访问代理
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*/
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public PixivDownload(CookieStore cookieStore, HttpHost proxy) {
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this.cookieStore = cookieStore;
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HttpClientBuilder builder = HttpClientBuilder.create();
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builder.setDefaultCookieStore(cookieStore);
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// UA: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.36
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ArrayList<Header> defaultHeaders = new ArrayList<>(2);
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defaultHeaders.add(new BasicHeader("User-Agent",
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.36"));
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builder.setDefaultHeaders(defaultHeaders);
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builder.setProxy(proxy);
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httpClient = builder.build();
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}
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public HttpClient getHttpClient() {
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return httpClient;
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}
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public CookieStore getCookieStore() {
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return cookieStore;
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}
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/**
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* 获取帐号所有的收藏插画，并以输入流形式提供
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* @param fn 回调函数，函数传进的InputStream无需手动关闭
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* @throws IOException 当获取时发生异常则直接抛出
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*/
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public void getCollectionAsInputStream(PageQuality quality, BiConsumer<String, InputStream> fn) throws IOException {
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int pageIndex = 0;
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HttpGet request;
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Document document;
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ArrayList<String> linkList = new ArrayList<>();
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do {
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request = new HttpGet(PixivURL.PIXIV_USER_COLLECTION_PAGE.replace("{pageIndex}", Integer.toString(++pageIndex)));
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setCookieInRequest(request, cookieStore);
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log.info("Request Link: " + request.getURI().toString());
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HttpResponse response = httpClient.execute(request);
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// 解析网页内容，获得所有的收藏信息
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document = Jsoup.parse(EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8));
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Elements items = document.select(".display_editable_works .image-item a.work");
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List<String> hrefList = items.eachAttr("href");
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log.info("第 {} 页获取到的图片项数量: {}", pageIndex, hrefList.size());
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if(hrefList.size() == 0) {
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break;
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}
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Gson gson = new Gson();
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for (String href : hrefList) {
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HttpGet linkApiRequest = createHttpGetRequest(PixivURL.PIXIV_ILLUST_API_URL.replace("{illustId}", href.substring(href.lastIndexOf("/") + 1)));
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log.debug(linkApiRequest.getURI().toString());
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HttpResponse httpResponse = httpClient.execute(linkApiRequest);
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JsonObject linkResult = gson.fromJson(EntityUtils.toString(httpResponse.getEntity()), JsonObject.class);
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if(linkResult.get("error").getAsBoolean()) {
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log.error("接口返回错误信息: {}", linkResult.get("message").getAsString());
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continue;
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}
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JsonArray linkArray = linkResult.get("body").getAsJsonArray();
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for (int i = 0; i < linkArray.size(); i++) {
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JsonObject linkObject = linkArray.get(i).getAsJsonObject().get("urls").getAsJsonObject();
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linkList.add(linkObject.get((quality == null ? PageQuality.ORIGINAL : quality).toString().toLowerCase()).getAsString());
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}
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}
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} while(!document.select(".pager-container>.next").isEmpty());
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log.info("获取完成.");
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AtomicInteger count = new AtomicInteger(1);
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linkList.forEach(link -> {
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log.info("Next Link [{}]: {}", count.getAndIncrement(), link);
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InputStream imageInputStream = null;
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int tryCount = 0;
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do {
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try {
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imageInputStream = getImageAsInputStream(httpClient, link);
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} catch (IOException e) {
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log.error("获取图片数据时发生异常", e);
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if(++tryCount < 5) {
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log.warn("即将重试[{} / 5]", tryCount);
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}
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}
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} while(imageInputStream == null);
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try(InputStream imageInput = new BufferedInputStream(imageInputStream, 256 * 1024)) {
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log.debug("调用回调方法...");
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fn.accept(link, imageInput);
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log.debug("回调方法调用完成.");
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} catch (IOException e) {
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log.error("图片获取失败", e);
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}
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});
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}
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/**
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* 获取推荐插图
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* @param quality 图片质量
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* @param fn 回调函数
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* @throws IOException 当获取时发生异常则直接抛出
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*/
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public void getRecommendAsInputStream(PageQuality quality, BiConsumer<String, InputStream> fn) throws IOException {
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HttpResponse response = httpClient.execute(createHttpGetRequest(PixivURL.PIXIV_INDEX_URL));
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Document document = Jsoup.parse(EntityUtils.toString(response.getEntity()));
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HttpClient imageClient = HttpClientBuilder.create().build();
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Elements elements = document.select(".gtm-illust-recommend-zone>.image-item>.gtm-illust-recommend-thumbnail-link");
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for(int illustIndex = 0; illustIndex < elements.size(); illustIndex++){
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String href = elements.get(illustIndex).attr("href");
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int illustId = Integer.parseInt(href.substring(href.lastIndexOf("/") + 1));
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log.info("({}/{}) Href: {}, IllustID: {}", illustIndex + 1, elements.size(), href, illustId);
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List<String> pageLinkList = getIllustAllPageDownload(httpClient, this.cookieStore, illustId, quality);
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for (int linkIndex = 0; linkIndex < pageLinkList.size(); linkIndex++) {
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String link = pageLinkList.get(linkIndex);
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String fileName = link.substring(link.lastIndexOf("/") + 1);
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log.info("({}/{})正在处理 {}", linkIndex, pageLinkList.size(), fileName);
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InputStream imageInputStream = null;
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int tryCount = 0;
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do {
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try {
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imageInputStream = getImageAsInputStream(imageClient, link);
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} catch (IOException e) {
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log.error("获取图片数据时发生异常", e);
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if(++tryCount < 5) {
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log.warn("即将重试[{} / 5]", tryCount);
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}
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}
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} while(imageInputStream == null);
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try(InputStream pageInputStream = new BufferedInputStream(imageInputStream, 256 * 1024)) {
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fn.accept(fileName, pageInputStream);
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}
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log.info("Done!");
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}
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log.info("IllustId {} 处理完成.", illustId);
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}
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}
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/**
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* 获取排行榜
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* @param contentType 内容类型
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* @param mode 查询模式
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* @param time 查询时间
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* @param range 从第一名开始的范围
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* @param quality 图片质量
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* @param fn 回调函数
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* @throws IOException 当请求发生异常时抛出
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*/
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public void getRankingAsInputStream(PixivURL.RankingContentType contentType, PixivURL.RankingMode mode,
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Date time, int range, PageQuality quality, RankingDownloadFunction fn) throws IOException {
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getRankingAsInputStream(contentType, mode, time, 1, range, quality, fn);
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}
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/**
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* 获取排行榜
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* @param contentType 内容类型
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* @param mode 查询模式
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* @param time 查询时间
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* @param rankStart 开始排行位(包括)
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* @param range 范围
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* @param quality 图片质量
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* @param fn 回调函数
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* @throws IOException 当请求发生异常时抛出
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*/
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public void getRankingAsInputStream(PixivURL.RankingContentType contentType, PixivURL.RankingMode mode,
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Date time, int rankStart, int range, PageQuality quality, RankingDownloadFunction fn) throws IOException {
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getRanking(contentType, mode, time, rankStart, range).forEach(rankInfo -> {
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int rank = rankInfo.get("rank").getAsInt();
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int illustId = rankInfo.get("illust_id").getAsInt();
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int authorId = rankInfo.get("user_id").getAsInt();
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String authorName = rankInfo.get("user_name").getAsString();
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String title = rankInfo.get("title").getAsString();
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log.info("当前到第 {}/{} 名(总共 {} 名), IllustID: {}, Author: ({}) {}, Title: {}", rank, rankStart + range - 1, range, illustId, authorId, authorName, title);
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log.info("正在获取PagesLink...");
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List<String> linkList;
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try {
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linkList = getIllustAllPageDownload(httpClient, this.cookieStore, illustId, quality);
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} catch (IOException e) {
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if(e.getMessage().equals("該当作品は削除されたか、存在しない作品IDです。")) {
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log.warn("作品 {} 不存在.", illustId);
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} else {
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e.printStackTrace();
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}
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return;
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}
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log.info("PagesLink 获取完成, 总数: {}", linkList.size());
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for (int pageIndex = 0; pageIndex < linkList.size(); pageIndex++) {
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String downloadLink = linkList.get(pageIndex);
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log.info("当前Page: {}/{}", pageIndex + 1, linkList.size());
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try(InputStream imageInputStream = new BufferedInputStream(getImageAsInputStream(HttpClientBuilder.create().build(), downloadLink), 256 * 1024)) {
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fn.download(rank, downloadLink, rankInfo.deepCopy(), imageInputStream);
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} catch(IOException e) {
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log.error("下载插画时发生异常", e);
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return;
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}
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log.info("完成.");
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}
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});
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}
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public List<JsonObject> getRanking(PixivURL.RankingContentType contentType, PixivURL.RankingMode mode,
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Date time, int rankStart, int range) throws IOException {
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if(rankStart <= 0) {
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throw new IllegalArgumentException("rankStart cannot be less than or equal to zero");
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}
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if(range <= 0) {
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throw new IllegalArgumentException("range cannot be less than or equal to zero");
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}
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int startPage = (int) Math.ceil(rankStart / 50F);
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int requestFrequency = (int) Math.ceil((rankStart + (range - 1)) / 50F);
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int surplusQuantity = range;
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boolean firstRequest = true;
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Gson gson = new Gson();
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ArrayList<JsonObject> results = new ArrayList<>();
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for (int requestCount = startPage; requestCount <= requestFrequency && requestCount <= 10; requestCount++) {
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int rangeStart = (requestCount - 1) * 50 + 1;
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log.info("正在请求第 {} 到 {} 位排名榜 (第{}次请求, 共 {} 次)", rangeStart, rangeStart + 49, requestCount - startPage + 1, requestFrequency - startPage);
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HttpGet request = createHttpGetRequest(PixivURL.getRankingLink(contentType, mode, time, requestCount, true));
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log.info("Request URL: {}", request.getURI());
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HttpResponse response = httpClient.execute(request);
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String content = EntityUtils.toString(response.getEntity());
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log.debug("Content: " + content);
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JsonObject contentObject = gson.fromJson(content, JsonObject.class);
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if(contentObject.has("error")) {
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log.warn("接口报错, 返回信息: {}", contentObject.get("error").getAsString());
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break;
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}
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JsonArray rankingArray = contentObject.getAsJsonArray("contents");
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log.info("正在解析数据...");
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//需要添加一个总量, 否则会完整跑完一次.
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//检查是否为最后一次请求，和剩余量有多少
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int firstRequestStartIndex = (rankStart % 50) - 1;
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for (int rankIndex = firstRequest ? firstRequestStartIndex : 0; rankIndex < rankingArray.size() && surplusQuantity > 0; rankIndex++, surplusQuantity--) {
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JsonElement jsonElement = rankingArray.get(rankIndex);
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JsonObject rankInfo = jsonElement.getAsJsonObject();
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int rank = rankInfo.get("rank").getAsInt();
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int illustId = rankInfo.get("illust_id").getAsInt();
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int authorId = rankInfo.get("user_id").getAsInt();
|
||||
String authorName = rankInfo.get("user_name").getAsString();
|
||||
String title = rankInfo.get("title").getAsString();
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log.info("当前到第 {}/{} 名(总共 {} 名), IllustID: {}, Author: ({}) {}, Title: {}", rank, rankStart + range - 1, range, illustId, authorId, authorName, title);
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results.add(rankInfo);
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}
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firstRequest = false;
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log.info("第 {} 到 {} 位排名榜完成. (第{}次请求)", rangeStart, rangeStart + 49, requestCount);
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}
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if(requestFrequency > 10) {
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log.warn("请求的排名榜范围超出所支持的范围, 已终止请求.");
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}
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return results;
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}
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/**
|
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* 获取作品的预加载数据
|
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* @param illustId 作品id
|
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* @return 如果请求成功返回JsonObject, 失败返回null
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* @throws IOException 当请求响应非200或请求发生异常时抛出.
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*/
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public JsonObject getIllustPreLoadDataById(int illustId) throws IOException {
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HttpGet request = createHttpGetRequest(PixivURL.getPixivRefererLink(illustId));
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HttpResponse response = httpClient.execute(request);
|
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if(response.getStatusLine().getStatusCode() != 200) {
|
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throw new IOException("Http响应码非200: " + response.getStatusLine());
|
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}
|
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Document document = Jsoup.parse(EntityUtils.toString(response.getEntity()));
|
||||
Elements selectElements = document.select("#meta-preload-data");
|
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if(selectElements.size() == 0) {
|
||||
return null;
|
||||
}
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||||
|
||||
return new Gson().fromJson(selectElements.attr("content"), JsonObject.class);
|
||||
}
|
||||
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||||
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@FunctionalInterface
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||||
public interface RankingDownloadFunction {
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||||
/**
|
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* 接收图片InputStream
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* @param rank 当前作品排名
|
||||
* @param link 作品下载链接
|
||||
* @param inputStream 作品下载输入流, InputStream会自动关闭
|
||||
*/
|
||||
void download(int rank, String link, JsonObject rankInfo, InputStream inputStream);
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||||
}
|
||||
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||||
public HttpGet createHttpGetRequest(String url) {
|
||||
HttpGet request = new HttpGet(url);
|
||||
setCookieInRequest(request, cookieStore);
|
||||
return request;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 取Illust所有页的原图下载链接
|
||||
* @param httpClient 用于发起请求的HttpClient对象
|
||||
* @param illustId 插画ID
|
||||
* @param quality 页质量, 见{@link PageQuality}
|
||||
* @return 返回该illust所有Page的下载链接
|
||||
* @throws IOException 当HttpClient在请求时发生异常, 或接口报错时抛出, 注意{@link IOException#getMessage()}
|
||||
*/
|
||||
public static List<String> getIllustAllPageDownload(HttpClient httpClient, CookieStore cookieStore, int illustId, PageQuality quality) throws IOException {
|
||||
HttpGet linkApiRequest = new HttpGet(PixivURL.PIXIV_ILLUST_API_URL.replace("{illustId}", Integer.toString(illustId)));
|
||||
setCookieInRequest(linkApiRequest, cookieStore);
|
||||
HttpResponse response = httpClient.execute(linkApiRequest);
|
||||
JsonObject resultObject = new Gson().fromJson(EntityUtils.toString(response.getEntity()), JsonObject.class);
|
||||
|
||||
if(resultObject.get("error").getAsBoolean()) {
|
||||
String message = resultObject.get("message").getAsString();
|
||||
log.info("请求错误, 错误信息: {}", message);
|
||||
throw new IOException(message);
|
||||
}
|
||||
|
||||
JsonArray linkArray = resultObject.getAsJsonArray("body");
|
||||
|
||||
ArrayList<String> resultList = new ArrayList<>();
|
||||
String qualityType = quality == null ? "original" : quality.toString().toLowerCase();
|
||||
log.info("已选择插画类型: {}", qualityType);
|
||||
linkArray.forEach(el -> {
|
||||
JsonObject urlObj = el.getAsJsonObject().getAsJsonObject("urls");
|
||||
resultList.add(urlObj.get(qualityType).getAsString());
|
||||
});
|
||||
|
||||
return resultList;
|
||||
}
|
||||
|
||||
/**
|
||||
* 插图质量
|
||||
*/
|
||||
public enum PageQuality{
|
||||
/**
|
||||
* 原图画质
|
||||
*/
|
||||
ORIGINAL,
|
||||
/**
|
||||
* 常规画质
|
||||
*/
|
||||
REGULAR,
|
||||
/**
|
||||
* 小图画质
|
||||
*/
|
||||
SMALL,
|
||||
/**
|
||||
* 迷你画质
|
||||
*/
|
||||
THUMB_MINI
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* 获取帐号所有的收藏插画，并以输入流形式提供
|
||||
* @return 获取所有链接的InputStream, 请注意关闭InputStream
|
||||
* @throws IOException 当获取时发生异常则直接抛出
|
||||
*/
|
||||
public Set<Map.Entry<String, InputStream>> getCollectionAsInputStream(PageQuality quality) throws IOException {
|
||||
HashSet<Map.Entry<String, InputStream>> illustInputStreamSet = new HashSet<>();
|
||||
getCollectionAsInputStream(quality, (link, inputStream) -> illustInputStreamSet.add(new AbstractMap.SimpleEntry<>(link, inputStream)));
|
||||
return illustInputStreamSet;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 获取Pixiv图片
|
||||
* @param httpClient HttpClient对象
|
||||
* @param link Pixiv图片链接
|
||||
* @return 返回图片InputStream，注意关闭InputStream
|
||||
* @throws IOException 获取失败时抛出
|
||||
* @throws IllegalArgumentException 当链接无法处理时抛出
|
||||
*/
|
||||
public static InputStream getImageAsInputStream(HttpClient httpClient, String link) throws IOException {
|
||||
HttpGet request = new HttpGet(link);
|
||||
int startIndex = link.lastIndexOf("/");
|
||||
int endIndex = link.lastIndexOf("_");
|
||||
if(startIndex == -1 || endIndex == -1) {
|
||||
throw new IllegalArgumentException("无法从链接获取illustID: " + link);
|
||||
}
|
||||
|
||||
String referer = PixivURL.getPixivRefererLink(link.substring(startIndex + 1, endIndex));
|
||||
request.addHeader(HttpHeaderNames.REFERER.toString(), referer);
|
||||
|
||||
HttpResponse response = httpClient.execute(request);
|
||||
log.debug("response: {}", response);
|
||||
log.info("Content Length: {}KB", Float.parseFloat(response.getFirstHeader(HttpHeaderNames.CONTENT_LENGTH.toString()).getValue()) / 1024F);
|
||||
log.info("{}", response.getFirstHeader(HttpHeaderNames.CONTENT_TYPE.toString()));
|
||||
return response.getEntity().getContent();
|
||||
}
|
||||
|
||||
/**
|
||||
* 登出当前会话.<br/>
|
||||
* 登出成功后, 该Cookies作废.
|
||||
* @return 返回是否成功登出
|
||||
* @throws IOException 当登出请求异常时抛出
|
||||
*/
|
||||
public boolean logOut() throws IOException {
|
||||
HttpGet request = new HttpGet(PixivURL.PIXIV_LOGOUT_URL);
|
||||
request.setConfig(RequestConfig.custom().setRedirectsEnabled(false).build());
|
||||
setCookieInRequest(request, cookieStore);
|
||||
HttpResponse response = httpClient.execute(request);
|
||||
if (response.getStatusLine().getStatusCode() == 302) {
|
||||
cookieStore.clear();
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取作品信息
|
||||
* @param illustId 作品ID
|
||||
* @return 成功获取返回JsonObject, 失败返回null, <br/>
|
||||
* Json示例: <br/>
|
||||
* <pre>
|
||||
* {
|
||||
* "illustId": "79584670",
|
||||
* "illustTitle": "このヤンキーはウブすぎる",
|
||||
* "id": "79584670",
|
||||
* "title": "このヤンキーはウブすぎる",
|
||||
* "illustType": 1,
|
||||
* "xRestrict": 0,
|
||||
* "restrict": 0,
|
||||
* "sl": 2,
|
||||
* "url": "https://i.pximg.net/c/360x360_70/img-master/img/2020/02/19/00/38/23/79584670_p0_square1200.jpg",
|
||||
* "description": "",
|
||||
* "tags": [
|
||||
* "漫画",
|
||||
* "オリジナル",
|
||||
* "創作",
|
||||
* "創作男女",
|
||||
* "コロさん、ポリさん此方です!",
|
||||
* "恋の予感",
|
||||
* "あまずっぺー",
|
||||
* "交換日記",
|
||||
* "続編希望!!",
|
||||
* "オリジナル10000users入り"
|
||||
* ],
|
||||
* "userId": "4778293",
|
||||
* "userName": "隈浪さえ",
|
||||
* "width": 3288,
|
||||
* "height": 4564,
|
||||
* "pageCount": 4,
|
||||
* "isBookmarkable": true,
|
||||
* "bookmarkData": null,
|
||||
* "alt": "#オリジナル このヤンキーはウブすぎる - 隈浪さえ的漫画",
|
||||
* "isAdContainer": false,
|
||||
* "profileImageUrl": "https://i.pximg.net/user-profile/img/2019/12/04/18/56/19/16639046_fea29ce38ea89b0cb2313b40b3a72f9a_50.jpg",
|
||||
* "type": "illust"
|
||||
* }
|
||||
* </pre>
|
||||
* @throws IOException 当请求发生异常, 或接口返回错误信息时抛出.
|
||||
*/
|
||||
public JsonObject getIllustInfoByIllustId(int illustId) throws IOException {
|
||||
HttpGet request = createHttpGetRequest(PixivURL.getPixivIllustInfoAPI(new int[] {illustId}));;
|
||||
HttpResponse response = httpClient.execute(request);
|
||||
String responseStr = EntityUtils.toString(response.getEntity());
|
||||
log.debug("Response Content: {}", responseStr);
|
||||
JsonObject responseObj = new Gson().fromJson(responseStr, JsonObject.class);
|
||||
|
||||
if(responseObj.get("error").getAsBoolean()) {
|
||||
throw new IOException(responseObj.get("message").getAsString());
|
||||
}
|
||||
|
||||
JsonArray illustsArray = responseObj.getAsJsonObject("body").getAsJsonArray("illusts");
|
||||
if(illustsArray.size() == 1) {
|
||||
return illustsArray.get(0).getAsJsonObject();
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
public static void setCookieInRequest(HttpRequest request, CookieStore cookieStore) {
|
||||
StringBuilder builder = new StringBuilder();
|
||||
cookieStore.getCookies().forEach(cookie -> builder.append(cookie.getName()).append("=").append(cookie.getValue()).append("; "));
|
||||
request.setHeader(HttpHeaderNames.COOKIE.toString(), builder.toString());
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user