?? hsocket.java~267~
字號:
responseMessage = message.substring(mark, message.length()).trim();
/* if(responseCode==200)
{
upperLayer.tr_download(responseCode);
}*/
// 應答狀態碼和處理請讀者添加
switch (responseCode) {
case 400:
System.out.println("錯誤請求");
throw new IOException("錯誤請求");
case 404:
System.out.println(getURLFormat(target));
throw new FileNotFoundException(getURLFormat(target));
case 503:
System.out.println("服務器不可用");
throw new IOException("服務器不可用");
}
if (word == -1) {
System.out.println("信息接收異常終止");
throw new ProtocolException("信息接收異常終止");
}
int symbol = -1;
count = 0;
// 解析元信息
while (word != '\r' && word != '\n' && word > -1) {
if (word == '\t') {
word = 32;
}
if (count == data.length) {
data = addCapacity(data);
}
data[count++] = (byte) word;
parseLine: {
while ((symbol = Tcpinput.read()) > -1) {
switch (symbol) {
case '\t':
symbol = 32;
break;
case '\r':
case '\n':
word = Tcpinput.read();
if (symbol == '\r' && word == '\n') {
word = Tcpinput.read();
if (word == '\r') {
word = Tcpinput.read();
}
}
if (word == '\r' || word == '\n' || word > 32) {
break parseLine;
}
symbol = 32;
break;
}
if (count == data.length) {
data = addCapacity(data);
}
data[count++] = (byte) symbol;
}
word = -1;
}
message = new String(data, 0, count);
logger.error(message);
mark = message.indexOf(':');
String key = null;
if (mark > 0) {
key = message.substring(0, mark);
}
mark++;
while (mark < message.length() && message.charAt(mark) <= 32) {
mark++;
}
String value = message.substring(mark, message.length());
String str = key.toLowerCase();
if (str.equals("content-length")) {
totlelen = Integer.parseInt(value.trim());
}
if (str.equals("connection")) {
String tval=value.toLowerCase();
if(tval.equals("close"))
responseCode=-1;
}
header.put(key, value);
count = 0;
}
// 獲得正文數據
byte databuf[] = new byte[1024];
while (((word = Tcpinput.read()) != -1)) {
if (count == data.length) {
data = addCapacity(data);
}
data[count++] = (byte) word;
if (count >= totlelen) {
break;
}
//markflg.ReceiveBag();
//data = temp;//addCapacitybuf(data, databuf);
}
//=======================================================================
/* if (word > 0) {
if(icount==1)
{
System.arraycopy(databuf, 0, data, 0, word);
System.out.println(icount + " 接收到 1024 字節");
icount++;
}
else
{
int len = data.length;
byte temp[] = new byte[data.length + word];
System.out.println(icount + " 接收到 1024 字節");
icount++;
System.arraycopy(databuf, 0, temp, data.length, word);
data = temp;
}
markflg.ReceiveBag();
//data = temp;//addCapacitybuf(data, databuf);
count=data.length;
if(count>=totlelen)
{
break;
}
}
}*/
//==================================================================================
if (count > 0) {
upperLayer.tr_download(responseCode);
byteStream = new ByteArrayInputStream(data, 0, count);
}
// data = null;
} catch (IOException ex) {
responseCode = -1;
String str = "下載失敗";
byteStream = new ByteArrayInputStream(str.getBytes());
System.out.println(ex.getMessage());
}
//upperLayer.tr_downok(outdate);
try {
if (responseCode == -1) {
int len = data.length;
if (len > 0) {
byteStream = new ByteArrayInputStream(data, 0, len);
} else {
responseCode = -1;
String str = "下載失敗";
byteStream = new ByteArrayInputStream(str.getBytes());
}
}
closeServer();
} catch (Exception ex1) {
responseCode = -1;
}
finally {
data = null;
System.out.println(responseCode);
System.out.println(responseMessage);
//System.out.println(responseCode);
}
}
protected void closeServer() throws IOException {
if (TcpSocket == null) {
return;
}
try {
TcpSocket.close();
Tcpinput.close();
Tcpoutput.close();
} catch (IOException i) {
//throw i;
System.exit(1);
}
TcpSocket = null;
Tcpinput = null;
Tcpoutput = null;
}
private byte[] addCapacity(byte rece[]) {
byte temp[] = new byte[rece.length + 1024];
System.out.println(icount + " 接收到 1024 字節");
icount++;
System.arraycopy(rece, 0, temp, 0, rece.length);
markflg.ReceiveBag();
return temp;
}
private byte[] addCapacitybuf(byte rece[], byte dat[]) {
byte temp[] = new byte[rece.length + 1024];
temp = rece;
System.out.println(icount + " 接收到 1024 字節");
icount++;
System.arraycopy(rece, 0, temp, 0, rece.length);
System.arraycopy(dat, 0, temp, rece.length, 1024);
markflg.ReceiveBag();
return temp;
}
public String getResponseMessage() {
return responseMessage;
}
public int getResponseCode() {
return responseCode;
}
public String getServerVersion() {
return serverVersion;
}
public InputStream getInputStream() {
return byteStream;
}
public synchronized String getHeaderKey(int i) {
if (i >= header.size()) {
return null;
}
Enumeration enum1 = header.propertyNames();
String key = null;
for (int j = 0; j <= i; j++) {
key = (String) enum1.nextElement();
}
return key;
}
public synchronized String getHeaderValue(int i) {
if (i >= header.size()) {
return null;
}
return header.getProperty(getHeaderKey(i));
}
public synchronized String getHeaderValue(String key) {
return header.getProperty(key);
}
protected String getBaseHeads() {
return baseheader;
}
protected void setBaseHeads(String headerstr) {
baseheader = headerstr;
}
/*
* POST方法是向服務器傳送數據，以便服務器做出相應的處理。例如網頁上常用的
* 提交表格。
*/
public int POST(String url) {
try {
checkHTTP(url);
String str = "hello word";
String cmd = "POST " + getURLFormat(target) + "HTTP/1.1\r\n" +
getBaseHeads();
cmd += "Content-type: " + this.contentType + "\r\n";
cmd += "Content-length: " + this.payload.length + "\r\n\r\n";
//cmd += this.payload + "\r\n";
sendData(cmd);
receiveSendBack();
} catch (Exception p) {
System.out.println("POST:"+p.getMessage());
return -1;
}
return 0;
}
/* GET方法根據URL，會請求文件、數據庫查詢結果、程序運行結果等多種內容 */
public int GET(String url) {
// streamcreat();
try {
checkHTTP(url);
String cmd = "GET " + getURLFormat(target) + " HTTP/1.1\r\n"
+ getBaseHeads() + "\r\n";
sendMessage(cmd);
receiveMessage();
} catch (ProtocolException p) {
p.printStackTrace();
} catch (IOException ex) {
System.out.println(ex.getMessage());
}
return responseCode;
}
protected void checkHTTP(String url) throws ProtocolException {
try {
URL target = new URL(url);
if (target == null ||
!target.getProtocol().toUpperCase().equals("HTTP")) {
throw new ProtocolException("這不是HTTP協議");
}
this.target = target;
} catch (MalformedURLException m) {
throw new ProtocolException("協議格式錯誤");
}
}
public void start()
{
runner = new Thread(this);
runner.start();
}
public void stop() {
if (runner != null) {
runner.stop();
runner = null;
}
}
public void run() {
int i = 0;
int ret = -1;
while (true) {
if (get_post == 1) {
ret = POST(geturl);
if (ret == -1) {
runner = null;
break;
} else {
int len = byteStream.available();
byte outdata[] = new byte[len + 1];
try {
byteStream.read(outdata);
} catch (IOException ex) {
ret = -1;
}
upperLayer.tr_result(ret, outdata);
break;
}
} else {
ret = GET(geturl);
if (ret == -1) {
runner = null;
String backmsg="下載失敗";
upperLayer.tr_result(ret,backmsg.getBytes());
break;
} else {
int len = byteStream.available();
byte outdata[] = new byte[len + 1];
try {
byteStream.read(outdata);
} catch (IOException ex) {
ret = -1;
}
upperLayer.tr_result(ret, outdata);
runner = null;
break;
//i++;
}
}
/* if (i > 2) {
break;
}*/
}
/* try {
this.closeServer();
} catch (IOException ex1) {
}*/
}
/**
* Seturl
*
* @param m_url String
*/
public void Seturl(String m_url) {
if (m_url.equals("")) {
System.out.println("連接地址不能為空");
System.exit(1); ;
}
geturl = m_url;
}
public void SetGet_Post(int flg) {
get_post = flg;
}
public void SetPostData(byte[] paydata) {
this.payload = paydata;
}
public void SetcontentType(String cntType) {
this.contentType = cntType;
}
}
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