public synchronized void addReport(String s) {
try {
report += s;
PrintWriter pwReport = new PrintWriter(new FileOutputStream(
"report.txt"));
pwReport.println(report);
pwReport.close();
} catch (Exception e) {
System.out.println("生成报告文件失败!");
}
}
public synchronized String getAUrl() {
String tmpAUrl = arrUrls.get(0);
arrUrls.remove(0);
return tmpAUrl;
}
public synchronized String getUrl() {
String tmpUrl = arrUrl.get(0);
arrUrl.remove(0);
return tmpUrl;
}
public synchronized Integer getIntWebIndex() {
intWebIndex++;
return intWebIndex;
}
/**
* @param args
*/
public static void main(String[] args) {
if (args.length == 0 || args[0].equals("")) {
System.out.println("No input!");
System.exit(1);
} else if (args.length == 1) {
GetWeb gw = new GetWeb(args[0]);
gw.getWebByHomePage();
} else {
GetWeb gw = new GetWeb(args[0]， Integer.parseInt(args[1]));
gw.getWebByHomePage();
}
}
public void getWebByHomePage() {
startTime = System.currentTimeMillis();
this.myDomain = getDomain();
if (myDomain == null) {
System.out.println("Wrong input!");
// System.exit(1);
return;
}
System.out.println("Homepage = " + strHomePage);
addReport("Homepage = " + strHomePage + "! ");
System.out.println("Domain = " + myDomain);
addReport("Domain = " + myDomain + "! ");
arrUrls.add(strHomePage);
arrUrl.add(strHomePage);
allUrls.put(strHomePage， 0);
deepUrls.put(strHomePage， 1);
File fDir = new File(fPath);
if (!fDir.exists()) {
fDir.mkdir();
}
System.out.println("Start!");
this.addReport("Start! ");
String tmp = getAUrl();
this.getWebByUrl(tmp， charset， allUrls.get(tmp) + "");
int i = 0;
for (i = 0; i < intThreadNum; i++) {
new Thread(new Processer(this)).start();
}
while (true) {
if (arrUrls.isEmpty() && Thread.activeCount() == 1) {
long finishTime = System.currentTimeMillis();
long costTime = finishTime - startTime;
System.out.println(" Finished!");
addReport(" Finished! ");
System.out.println("Start time = " + startTime + "   "
+ "Finish time = " + finishTime + "   "
+ "Cost time = " + costTime + "ms");
addReport("Start time = " + startTime + "   "
+ "Finish time = " + finishTime + "   "
+ "Cost time = " + costTime + "ms" + " ");
System.out.println("Total url number = "
+ (webSuccessed + webFailed) + "   Successed: "
+ webSuccessed + "   Failed: " + webFailed);
addReport("Total url number = " + (webSuccessed + webFailed)
+ "   Successed: " + webSuccessed + "   Failed: "
+ webFailed + " ");
String strIndex = "";
String tmpUrl = "";
while (!arrUrl.isEmpty()) {
tmpUrl = getUrl();
strIndex += "Web depth:" + deepUrls.get(tmpUrl)
+ "   Filepath: " + fPath + "/web"
+ allUrls.get(tmpUrl) + ".htm" + "   url:" + tmpUrl
+ " ";
}
System.out.println(strIndex);
try {
PrintWriter pwIndex = new PrintWriter(new FileOutputStream(
"fileindex.txt"));
pwIndex.println(strIndex);
pwIndex.close();
} catch (Exception e) {
System.out.println("生成索引文件失败!");
}
break;
}
}
}
public void getWebByUrl(String strUrl， String charset， String fileIndex) {
try {
// if(charset==null||"".equals(charset))charset="utf-8";
System.out.println("Getting web by url: " + strUrl);
addReport("Getting web by url: " + strUrl + " ");
URL url = new URL(strUrl);
URLConnection conn = url.openConnection();
conn.setDoOutput(true);
InputStream is = null;
is = url.openStream();
String filePath = fPath + "/web" + fileIndex + ".htm";
PrintWriter pw = null;
FileOutputStream fos = new FileOutputStream(filePath);
OutputStreamWriter writer = new OutputStreamWriter(fos);
pw = new PrintWriter(writer);
BufferedReader bReader = new BufferedReader(new InputStreamReader(
is));
StringBuffer sb = new StringBuffer();
String rLine = null;
String tmp_rLine = null;
while ((rLine = bReader.readLine()) != null) {
tmp_rLine = rLine;
int str_len = tmp_rLine.length();
if (str_len > 0) {
sb.append(" " + tmp_rLine);
pw.println(tmp_rLine);
pw.flush();
if (deepUrls.get(strUrl) < webDepth)
getUrlByString(tmp_rLine， strUrl);
}
tmp_rLine = null;
}
is.close();
pw.close();
System.out.println("Get web successfully! " + strUrl);
addReport("Get web successfully! " + strUrl + " ");
addWebSuccessed();
} catch (Exception e) {
System.out.println("Get web failed!       " + strUrl);
addReport("Get web failed!       " + strUrl + " ");
addWebFailed();
}
}
public String getDomain() {
String reg = "(?<=http\://[a-zA-Z0-9]{0，100}[.]{0，1})[^.\s]*?\.(com|cn|net|org|biz|info|cc|tv)";
Pattern p = Pattern.compile(reg， Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher(strHomePage);
boolean blnp = m.find();
if (blnp == true) {
return m.group(0);
}
return null;
}
public void getUrlByString(String inputArgs， String strUrl) {
String tmpStr = inputArgs;
String regUrl = "(?<=(href=)["]?[']?)[http://][^\s"'\?]*("
+ myDomain + ")[^\s"'>]*";
Pattern p = Pattern.compile(regUrl， Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher(tmpStr);
boolean blnp = m.find();
// int i = 0;
while (blnp == true) {
if (!allUrls.containsKey(m.group(0))) {
System.out.println("Find a new url，depth:"
+ (deepUrls.get(strUrl) + 1) + " " + m.group(0));
addReport("Find a new url，depth:" + (deepUrls.get(strUrl) + 1)
+ " " + m.group(0) + " ");
arrUrls.add(m.group(0));
arrUrl.add(m.group(0));
allUrls.put(m.group(0)， getIntWebIndex());
deepUrls.put(m.group(0)， (deepUrls.get(strUrl) + 1));
}
tmpStr = tmpStr.substring(m.end()， tmpStr.length());
m = p.matcher(tmpStr);
blnp = m.find();
}
}
class Processer implements Runnable {
GetWeb gw;
public Processer(GetWeb g) {
this.gw = g;
}
public void run() {
// Thread.sleep(5000);
while (!arrUrls.isEmpty()) {
String tmp = getAUrl();
getWebByUrl(tmp， charset， allUrls.get(tmp) + "");
}
}
}
}