Package us.codecraft.webmagic

Examples of us.codecraft.webmagic.Request

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    @Ignore
    @Test
    public void testCookie() {
        Site site = Site.me().setDomain("www.diandian.com").addCookie("t", "43ztv9srfszl99yxv2aumx3zr7el7ybb");
        HttpClientDownloader httpClientDownloader = new HttpClientDownloader();
        Page download = httpClientDownloader.download(new Request("http://www.diandian.com"), site.toTask());
        assertTrue(download.getHtml().toString().contains("flashsword30"));
    }
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    @Test
    public void testCycleTriedTimes() {
        HttpClientDownloader httpClientDownloader = new HttpClientDownloader();
        Task task = Site.me().setDomain("localhost").setCycleRetryTimes(5).toTask();
        Request request = new Request("http://localhost/404");
        Page page = httpClientDownloader.download(request, task);
        assertThat(page.getTargetRequests().size() > 0);
        assertThat((Integer) page.getTargetRequests().get(0).getExtra(Request.CYCLE_TRIED_TIMES)).isEqualTo(1);
        page = httpClientDownloader.download(page.getTargetRequests().get(0), task);
        assertThat((Integer) page.getTargetRequests().get(0).getExtra(Request.CYCLE_TRIED_TIMES)).isEqualTo(2);
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            private String getCharsetByUrl(String url) {
                HttpClientDownloader downloader = new HttpClientDownloader();
                Site site = Site.me();
                CloseableHttpClient httpClient = new HttpClientGenerator().getClient(site);
                // encoding in http header Content-Type
                Request requestGBK = new Request(url);
                CloseableHttpResponse httpResponse = null;
                try {
                    httpResponse = httpClient.execute(downloader.getHttpUriRequest(requestGBK, site, null));
                } catch (IOException e) {
                    e.printStackTrace();
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    @BeforeClass
    public static void before() {
        resultItems = new ResultItems();
        resultItems.put("content", "webmagic 爬虫工具");
        Request request = new Request("http://www.baidu.com");
        resultItems.setRequest(request);

        task = new Task() {
            @Override
            public String getUUID() {
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        }
        for (String link : links) {
            for (Pattern targetUrlPattern : urlPatterns) {
                Matcher matcher = targetUrlPattern.matcher(link);
                if (matcher.find()) {
                    page.addTargetRequest(new Request(matcher.group(1)));
                }
            }
        }
    }
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    private void processCountry(Page page) {
        List<String> provinces = page.getHtml().xpath("//*[@id=\"newAlexa\"]/table/tbody/tr/td").all();
        for (String province : provinces) {
            String link = xpath("//@href").select(province);
            String title = xpath("/text()").select(province);
            Request request = new Request(link).setPriority(0).putExtra("province", title);
            page.addTargetRequest(request);
        }
    }
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        for (String district : districts) {
            Matcher matcher = pattern.matcher(district);
            while (matcher.find()) {
                String title = matcher.group(1);
                String link = matcher.group(2);
                Request request = new Request(link).setPriority(1).putExtra("province", page.getRequest().getExtra("province")).putExtra("district", title);
                page.addTargetRequest(request);
            }
        }
    }
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        String zipCode = page.getHtml().regex("<h2>邮编：(\\d+)</h2>").toString();
        page.putField("result", StringUtils.join(new String[]{province, district,
                zipCode}, "\t"));
        List<String> links = page.getHtml().links().regex("http://www\\.ip138\\.com/\\d{6}[/]?$").all();
        for (String link : links) {
            page.addTargetRequest(new Request(link).setPriority(2).putExtra("province", province).putExtra("district", district));
        }

    }
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        }
    };

    @Test
    public void testDifferentPriority() {
        Request request = new Request("a");
        request.setPriority(100);
        priorityScheduler.push(request,task);

        request = new Request("b");
        request.setPriority(900);
        priorityScheduler.push(request,task);

        request = new Request("c");
        priorityScheduler.push(request,task);

        request = new Request("d");
        request.setPriority(-900);
        priorityScheduler.push(request,task);

        Request poll = priorityScheduler.poll(task);
        Assert.assertEquals("b",poll.getUrl());
        poll = priorityScheduler.poll(task);
        Assert.assertEquals("a",poll.getUrl());
        poll = priorityScheduler.poll(task);
        Assert.assertEquals("c",poll.getUrl());
        poll = priorityScheduler.poll(task);
        Assert.assertEquals("d",poll.getUrl());
    }
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        Assert.assertEquals("d",poll.getUrl());
    }

    @Test
    public void testNoPriority() {
        Request request = new Request("a");
        priorityScheduler.push(request,task);

        request = new Request("b");
        priorityScheduler.push(request,task);

        request = new Request("c");
        priorityScheduler.push(request,task);

        Request poll = priorityScheduler.poll(task);
        Assert.assertEquals("a",poll.getUrl());

        poll = priorityScheduler.poll(task);
        Assert.assertEquals("b",poll.getUrl());

        poll = priorityScheduler.poll(task);
        Assert.assertEquals("c",poll.getUrl());
    }
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Related Classes of us.codecraft.webmagic.Request

  • us.codecraft.webmagic.downloader.AbstractDownloader
  • us.codecraft.webmagic.downloader.HttpClientDownloaderTest
  • us.codecraft.webmagic.downloader.MockGithubDownloader
  • us.codecraft.webmagic.downloader.selenium.SeleniumDownloaderTest
  • us.codecraft.webmagic.model.ModelPageProcessor
  • us.codecraft.webmagic.model.ModelPageProcessorTest
  • us.codecraft.webmagic.model.ProcessorBenchmark
  • us.codecraft.webmagic.pipeline.FilePipelineTest
  • us.codecraft.webmagic.samples.scheduler.DelayQueueSchedulerTest
  • us.codecraft.webmagic.samples.scheduler.ZipCodePageProcessor
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