Commit 9fcfba2d by zhiwei

各个采集验证添加休眠,避免数据过多导致程序阻塞

parent aa059934
package com.zhiwei.source_forward.crawler;
import java.util.Objects;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import com.zhiwei.async.GroupSync;
import com.zhiwei.crawler.core.HttpBoot;
import com.zhiwei.crawler.core.proxy.ProxyHolder;
import com.zhiwei.crawler.core.utils.RequestUtils;
import com.zhiwei.source_forward.bean.ContentBean;
import com.zhiwei.source_forward.bean.ContentBean.Attribution;
import com.zhiwei.source_forward.util.ContentDataCallback;
import com.zhiwei.source_forward.util.MatchContent;
import okhttp3.Request;
public class ContentCrawler {
private static Logger logger = LogManager.getLogger(ContentCrawler.class);
private static HttpBoot httpBoot = new HttpBoot.Builder().retryTimes(2).build();
/**
*
* @Description 链接传入 并 返回采集完信号
* @param callback
* @param urls
* @return
* @throws Exception
*/
public GroupSync submitTask(ContentDataCallback callback,
String... urls) {
GroupSync counter = new GroupSync();
start(counter, callback, urls);
return counter;
}
/**
*
* @Description 提交链接
* @param counter
* @param callback
* @param urls
*/
private void start(GroupSync counter,
ContentDataCallback callback, String... urls) {
if (urls != null && urls.length > 0) {
for (String url : urls) {
if (url != null) {
try {
search(counter, url, Attribution.of(url), callback);
} catch (Exception e) {
logger.error("搜索创建出错", e);
}
}
}
}
}
/**
*
* @Description 链接获取文章信息
* @param counter
* @param url
* @param attr
* @param callback
* @return
*/
private GroupSync search(GroupSync counter,
String url, Attribution attr, ContentDataCallback callback) {
logger.info("当前处理 URL: {}", url);
Request request = RequestUtils.wrapGet(url);
counter.add();
httpBoot.asyncCall(request, ProxyHolder.NAT_HEAVY_PROXY, true).whenComplete((rs,ex) -> {
try {
if (Objects.isNull(ex)) {
parseHtml(rs.body().string(), attr, callback);
} else {
logger.info("{} 搜索结果访问失败: {}", request.url().url(),ex);
}
} catch (Exception e) {
logger.info("搜索结果访问失败: {}", ex);
} finally {
counter.done();
}
});
return counter;
}
/**
*
*
* @Description 获取正文解析
* @param response
* @param attr
* @param callback
*/
private void parseHtml(String result, Attribution attr,
ContentDataCallback callback) {
try {
String content = MatchContent.matchContent(attr.get().toString(),
result);
ContentBean cb = new ContentBean(attr.get().toString(), content);
if (callback == null) {
logger.warn("DataCallback 对象为 null,无法保存数据");
} else {
callback.onData(cb, attr);
}
} catch (Exception e) {
logger.error("网页链接失效", e);
}
}
}
package com.zhiwei.source_forward.crawler;
import java.util.Objects;
import com.zhiwei.tools.tools.ZhiWeiTools;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import com.zhiwei.async.GroupSync;
import com.zhiwei.crawler.core.HttpBoot;
import com.zhiwei.crawler.core.proxy.ProxyHolder;
import com.zhiwei.crawler.core.utils.RequestUtils;
import com.zhiwei.source_forward.bean.ContentBean;
import com.zhiwei.source_forward.bean.ContentBean.Attribution;
import com.zhiwei.source_forward.util.ContentDataCallback;
import com.zhiwei.source_forward.util.MatchContent;
import okhttp3.Request;
public class ContentCrawler {
private static Logger logger = LogManager.getLogger(ContentCrawler.class);
private static HttpBoot httpBoot = new HttpBoot.Builder().retryTimes(2).build();
/**
*
* @Description 链接传入 并 返回采集完信号
* @param callback
* @param urls
* @return
* @throws Exception
*/
public GroupSync submitTask(ContentDataCallback callback,
String... urls) {
GroupSync counter = new GroupSync();
start(counter, callback, urls);
return counter;
}
/**
*
* @Description 提交链接
* @param counter
* @param callback
* @param urls
*/
private void start(GroupSync counter,
ContentDataCallback callback, String... urls) {
if (urls != null && urls.length > 0) {
for (String url : urls) {
ZhiWeiTools.sleep(100);
if (url != null) {
try {
search(counter, url, Attribution.of(url), callback);
} catch (Exception e) {
logger.error("搜索创建出错", e);
}
}
}
}
}
/**
*
* @Description 链接获取文章信息
* @param counter
* @param url
* @param attr
* @param callback
* @return
*/
private GroupSync search(GroupSync counter,
String url, Attribution attr, ContentDataCallback callback) {
logger.info("当前处理 URL: {}", url);
Request request = RequestUtils.wrapGet(url);
counter.add();
httpBoot.asyncCall(request, ProxyHolder.NAT_HEAVY_PROXY, true).whenComplete((rs,ex) -> {
try {
if (Objects.isNull(ex)) {
parseHtml(rs.body().string(), attr, callback);
} else {
logger.info("{} 搜索结果访问失败: {}", request.url().url(),ex);
}
} catch (Exception e) {
logger.info("搜索结果访问失败: {}", ex);
} finally {
counter.done();
}
});
return counter;
}
/**
*
*
* @Description 获取正文解析
* @param response
* @param attr
* @param callback
*/
private void parseHtml(String result, Attribution attr,
ContentDataCallback callback) {
try {
String content = MatchContent.matchContent(attr.get().toString(),
result);
ContentBean cb = new ContentBean(attr.get().toString(), content);
if (callback == null) {
logger.warn("DataCallback 对象为 null,无法保存数据");
} else {
callback.onData(cb, attr);
}
} catch (Exception e) {
logger.error("网页链接失效", e);
}
}
}
......@@ -5,6 +5,7 @@ import java.util.List;
import java.util.Map;
import java.util.Objects;
import com.zhiwei.tools.tools.ZhiWeiTools;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.jsoup.Jsoup;
......@@ -64,6 +65,7 @@ public class MediaSelfSourceCrawler {
private void start(GroupSync counter,MediaSelfSourceDataCallBack callback, String... urls) {
if (urls != null && urls.length > 0) {
for (String url : urls) {
ZhiWeiTools.sleep(100);
counter.add();
if (url != null) {
try {
......
......@@ -325,7 +325,6 @@ public class MatchSource {
source = source.replaceAll(".*来源:|)", "");
}
}
if(Objects.nonNull(source) && source.length() != 0) {
return source;
}
......
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