Java UrlUtils类代码示例

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
protected String getContent(String charset, HttpResponse response) throws IOException {
	if(charset == null) {
		long contentLength = response.getEntity().getContentLength();
		if(response.getFirstHeader("Content-Type") != null 
				&& !response.getFirstHeader("Content-Type").getValue().toLowerCase().contains("text/html")) 
			throw new IllegalArgumentException("此链接为非html内容，不下载，内容类型：" + response.getFirstHeader("Content-Type"));
		else if(contentLength>value.getMaxDownloadLength())
			throw new IllegalArgumentException("网页内容长度超过最大限制，要求最大长度：" + value.getMaxDownloadLength() + "，实际长度：" + contentLength);
		byte[] contentBytes = IOUtils.toByteArray(response.getEntity().getContent());
		String htmlCharset = UrlUtils.getCharset(response.getEntity().getContentType().getValue());
		if (htmlCharset != null) {
               return new String(contentBytes, htmlCharset);
           } else {
               LOG.warn("自动探测字符集失败, 使用 {} 作为字符集。请在Site.setCharset()指定字符集", Charset.defaultCharset());
               return new String(contentBytes);
           }
	} else 
		return IOUtils.toString(response.getEntity().getContent(), charset);
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
protected Page handleResponse(Request request, String charset, HttpResponse httpResponse, Task task)
		throws IOException {
	String content = IOUtils.toString(httpResponse.getEntity().getContent(), charset);
	Page page = new Page();
	page.setHtml(new Html(UrlUtils.fixAllRelativeHrefs(content, request.getUrl())));
	page.setUrl(new PlainText(request.getUrl()));
	page.setRequest(request);

	// set http response value
	page.putHttpResponse(Constant.STATUS_CODE, httpResponse.getStatusLine().getStatusCode() + "");
	Header[] headers = httpResponse.getAllHeaders();
	for (Header header : headers) {
		page.putHttpResponse(header.getName(), header.getValue());
	}

	return page;
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
/**
 * Download urls synchronizing.
 *
 * @param urls urls
 * @param <T> type of process result
 * @return list downloaded
 */
public <T> List<T> getAll(Collection<String> urls) {
    destroyWhenExit = false;
    spawnUrl = false;
    if (startRequests!=null){
        startRequests.clear();
    }
    for (Request request : UrlUtils.convertToRequests(urls)) {
        addRequest(request);
    }
    CollectorPipeline collectorPipeline = getCollectorPipeline();
    pipelines.add(collectorPipeline);
    run();
    spawnUrl = true;
    destroyWhenExit = true;
    return collectorPipeline.getCollected();
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
private HttpClientContext convertHttpClientContext(Request request, Site site, Proxy proxy) {
    HttpClientContext httpContext = new HttpClientContext();
    if (proxy != null && proxy.getUsername() != null) {
        AuthState authState = new AuthState();
        authState.update(new BasicScheme(ChallengeState.PROXY), new UsernamePasswordCredentials(proxy.getUsername(), proxy.getPassword()));
        httpContext.setAttribute(HttpClientContext.PROXY_AUTH_STATE, authState);
    }
    if (request.getCookies() != null && !request.getCookies().isEmpty()) {
        CookieStore cookieStore = new BasicCookieStore();
        for (Map.Entry<String, String> cookieEntry : request.getCookies().entrySet()) {
            BasicClientCookie cookie1 = new BasicClientCookie(cookieEntry.getKey(), cookieEntry.getValue());
            cookie1.setDomain(UrlUtils.removePort(UrlUtils.getDomain(request.getUrl())));
            cookieStore.addCookie(cookie1);
        }
        httpContext.setCookieStore(cookieStore);
    }
    return httpContext;
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
/**
 * Download urls synchronizing.
 *
 * @param urls urls
 * @return list downloaded
 */
public <T> List<T> getAll(Collection<String> urls) {
    destroyWhenExit = false;
    spawnUrl = false;
    startRequests.clear();
    for (Request request : UrlUtils.convertToRequests(urls)) {
        addRequest(request);
    }
    CollectorPipeline collectorPipeline = getCollectorPipeline();
    pipelines.add(collectorPipeline);
    run();
    spawnUrl = true;
    destroyWhenExit = true;
    return collectorPipeline.getCollected();
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
/**
 * 添加待抓取的链接
 *
 * @param requests 待抓取的链接
 */
public void addTargetRequests(List<String> requests) {
    synchronized (targetRequests) {
        for (String s : requests) {
            if (StringUtils.isBlank(s) || s.equals("#") || s.startsWith("javascript:")) {
                break;
            }
            s = UrlUtils.canonicalizeUrl(s, url.toString());
            targetRequests.add(new Request(s));
        }
    }
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
/**
 * 添加待抓取的链接
 *
 * @param requestString 待抓取的链接
 */
public void addTargetRequest(String requestString) {
    if (StringUtils.isBlank(requestString) || requestString.equals("#")) {
        return;
    }
    synchronized (targetRequests) {
        requestString = UrlUtils.canonicalizeUrl(requestString, url.toString());
        targetRequests.add(new Request(requestString));
    }
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
/**
 * 获取已设置的domain
 *
 * @return 已设置的domain
 */
public String getDomain() {
    if (domain == null) {
        if (startUrls.size() > 0) {
            domain = UrlUtils.getDomain(startUrls.get(0));
        }
    }
    return domain;
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
public SimplePageProcessor(String startUrl, String urlPattern) {
    this.site = Site.me().addStartUrl(startUrl).
            setDomain(UrlUtils.getDomain(startUrl)).setUserAgent(UA);
    //compile "*" expression to regex
    this.urlPattern = "("+urlPattern.replace(".","\\.").replace("*","[^\"'#]*")+")";

}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
/**
 * add urls to fetch
 *
 * @param requests requests
 */
public void addTargetRequests(List<String> requests) {
    for (String s : requests) {
        if (StringUtils.isBlank(s) || s.equals("#") || s.startsWith("javascript:")) {
            continue;
        }
        s = UrlUtils.canonicalizeUrl(s, url.toString());
        targetRequests.add(new Request(s));
    }
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
/**
 * add url to fetch
 *
 * @param requestString requestString
 */
public void addTargetRequest(String requestString) {
    if (StringUtils.isBlank(requestString) || requestString.equals("#")) {
        return;
    }
    requestString = UrlUtils.canonicalizeUrl(requestString, url.toString());
    targetRequests.add(new Request(requestString));
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
private HttpUriRequest convertHttpUriRequest(Request request, Site site, Proxy proxy) {
    RequestBuilder requestBuilder = selectRequestMethod(request).setUri(UrlUtils.fixIllegalCharacterInUrl(request.getUrl()));
    if (site.getHeaders() != null) {
        for (Map.Entry<String, String> headerEntry : site.getHeaders().entrySet()) {
            requestBuilder.addHeader(headerEntry.getKey(), headerEntry.getValue());
        }
    }

    RequestConfig.Builder requestConfigBuilder = RequestConfig.custom();
    if (site != null) {
        requestConfigBuilder.setConnectionRequestTimeout(site.getTimeOut())
                .setSocketTimeout(site.getTimeOut())
                .setConnectTimeout(site.getTimeOut())
                .setCookieSpec(CookieSpecs.STANDARD);
    }

    if (proxy != null) {
        requestConfigBuilder.setProxy(new HttpHost(proxy.getHost(), proxy.getPort()));
    }
    requestBuilder.setConfig(requestConfigBuilder.build());
    HttpUriRequest httpUriRequest = requestBuilder.build();
    if (request.getHeaders() != null && !request.getHeaders().isEmpty()) {
        for (Map.Entry<String, String> header : request.getHeaders().entrySet()) {
            httpUriRequest.addHeader(header.getKey(), header.getValue());
        }
    }
    return httpUriRequest;
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
private void addRequest(Request request) {
    if (site.getDomain() == null && request != null && request.getUrl() != null) {
        site.setDomain(UrlUtils.getDomain(request.getUrl()));
    }
    scheduler.push(request, this);
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
@Test
public void test_illegal_uri_correct() throws Exception {
    HttpUriRequestConverter httpUriRequestConverter = new HttpUriRequestConverter();
    HttpClientRequestContext requestContext = httpUriRequestConverter.convert(new Request(UrlUtils.fixIllegalCharacterInUrl("http://bj.zhongkao.com/beikao/yimo/##")), Site.me(), null);
    assertThat(requestContext.getHttpUriRequest().getURI()).isEqualTo(new URI("http://bj.zhongkao.com/beikao/yimo/#"));
}
 

import us.codecraft.webmagic.utils.UrlUtils; //导入依赖的package包/类
protected void registerMBean(SpiderStatusMXBean spiderStatus) throws MalformedObjectNameException, InstanceAlreadyExistsException, MBeanRegistrationException, NotCompliantMBeanException {
//        ObjectName objName = new ObjectName(jmxServerName + ":name=" + spiderStatus.getName());
        ObjectName objName = new ObjectName(jmxServerName + ":name=" + UrlUtils.removePort(spiderStatus.getName()));
        mbeanServer.registerMBean(spiderStatus, objName);
    }