com.scudata.dm.HttpFile Maven / Gradle / Ivy
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SPL(Structured Process Language) A programming language specially for structured data computing.
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package com.scudata.dm;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.lang.reflect.Field;
import java.net.URL;
import java.net.URLConnection;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.json.JSONObject;
import com.scudata.common.RQException;
public class HttpFile implements IFile {
private String url;
private String params;
private String paramsEncoding = "UTF-8";
private String requestContentType = null;
private HashMap headers;
private Map> responseHeaders;
private int timeout = -1; //??ȡ??ʱʱ?䣬????Ϊ??λ
private String sendParamMethod = "POST"; //???Ͳ????ķ???
static {
HostnameVerifier ignoreHostnameVerifier = new HostnameVerifier() {
public boolean verify( String s, SSLSession sslsession) {
return true;
}
};
HttpsURLConnection.setDefaultHostnameVerifier(ignoreHostnameVerifier);
}
static {
System.setProperty( "sun.net.client.defaultConnectTimeout", "30000" );
System.setProperty( "sun.net.client.defaultReadTimeout", "0" );
}
public HttpFile( String url ) {
this.url = url;
}
public void setFileName( String url ) {
this.url = url;
}
/**
* ????post???????͵IJ???
* @param params ????????ʽΪ: key1=value1&key2=value2......
* @param paramsEncoding ?????ַ???,??GBK??UTF-8
* @param method ???Ͳ????ķ?????post??get
*/
public void setPostParams( String params, String paramsEncoding, String method ) {
if( params != null && params.trim().length() > 0 ) {
this.params = params.trim();
}
if( paramsEncoding != null && paramsEncoding.trim().length() > 0 ) {
this.paramsEncoding = paramsEncoding.trim();
}
if( method != null && method.trim().length() > 0 ) {
this.sendParamMethod = method.trim();
}
}
public void addRequestHeader( String propName, String value ) {
if( headers == null ) {
headers = new HashMap();
}
headers.put( propName, value );
}
public void setRequestContentType( String type ) {
this.requestContentType = type;
}
public void setReadTimeout( int timeout ) {
this.timeout = timeout;
}
public InputStream getInputStream() {
try {
if( params == null && headers == null ) {
URL u = new URL( url );
URLConnection conn = u.openConnection();
if( timeout > 0 ) conn.setReadTimeout( timeout * 1000 );
if( url.toLowerCase().startsWith( "https" ) ) {
TrustManager[] tm = { new MyX509TrustManager() };
SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
sslContext.init(null, tm, new java.security.SecureRandom());
// ??????SSLContext?????еõ?SSLSocketFactory????SSLSocketFactory
SSLSocketFactory ssf = sslContext.getSocketFactory();
((HttpsURLConnection)conn).setSSLSocketFactory(ssf);
}
conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36" );
responseHeaders = conn.getHeaderFields();
return conn.getInputStream();
}
else {
URL u = new URL( url );
URLConnection conn = u.openConnection();
if( timeout > 0 ) conn.setReadTimeout( timeout * 1000 );
if( url.toLowerCase().startsWith( "https" ) ) {
TrustManager[] tm = { new MyX509TrustManager() };
SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
sslContext.init(null, tm, new java.security.SecureRandom());
// ??????SSLContext?????еõ?SSLSocketFactory????SSLSocketFactory
SSLSocketFactory ssf = sslContext.getSocketFactory();
((HttpsURLConnection)conn).setSSLSocketFactory(ssf);
}
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setUseCaches(false);
conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36" );
conn.setRequestProperty("connection", "Keep-Alive");
if( requestContentType != null ) {
conn.setRequestProperty( "Content-Type", requestContentType );
}
/*conn.setRequestProperty("charset", paramsEncoding );
PrintWriter out = new PrintWriter( conn.getOutputStream() );
out.print( params );
out.flush();*/
if( headers != null ) {
Iterator it = headers.keySet().iterator();
while( it.hasNext() ) {
String propName = (String)it.next();
String propValue = (String) headers.get( propName );
conn.setRequestProperty( propName, propValue );
}
}
if( params != null ) {
OutputStream os = conn.getOutputStream();
//jdk?е???conn.getOutputStream()????ʱ????ǿ?н????η?????Ϊpost??Ҫʹ??get???????Σ???Ҫʹ????????η??????conn?ķ?????Ϊget
if( "GET".equalsIgnoreCase( sendParamMethod ) ) {
List fields = new ArrayList() ;
Class tempClass = conn.getClass();
while( tempClass != null ) {//??????Ϊnull??ʱ??˵???????????ϲ?ĸ???(Object??).
fields.addAll(Arrays.asList(tempClass.getDeclaredFields()));
tempClass = tempClass.getSuperclass(); //?õ?????,Ȼ???Լ?
}
for (Field field : fields) {
if("method".equals(field.getName())){
field.setAccessible(true);
field.set(conn,"GET");
}
}
}
os.write( params.getBytes( paramsEncoding ) );
os.flush();
}
responseHeaders = conn.getHeaderFields();
return conn.getInputStream();
}
}
catch( Throwable t ) {
throw new RQException( t );
}
}
/**
* ???url???????ַ???
* @param charset ???ݵ??ַ???, ??GBK??UTF-8
* @return
*/
public String getContentString( String charset ) {
try {
if( charset == null || charset.length() == 0 ) charset = "UTF-8";
InputStream is = getInputStream();
BufferedReader br = new BufferedReader( new InputStreamReader( is, charset ) );
StringBuffer res = new StringBuffer();
String tmp = null;
while( ( tmp = br.readLine() ) != null ) {
if( res.length() > 0 ) res.append( "\n" );
res.append( tmp );
}
return res.toString();
}
catch( Throwable t ) {
throw new RQException( t );
}
}
public String getResponseHeader( String key ) {
if( responseHeaders == null ) return null;
List vs = responseHeaders.get(key);
if( vs == null ) return null;
String value = "";
for( int i = 0; i < vs.size(); i++ ) {
if( value.length() > 0 ) value += ";";
value += vs.get( i );
}
return value;
}
public JSONObject getResponseHeaders() {
JSONObject jo = new JSONObject();
if( responseHeaders == null ) return jo;
Iterator it = responseHeaders.keySet().iterator();
while( it.hasNext() ) {
String key = (String)it.next();
try {
jo.put( key, getResponseHeader( key ) );
}catch( Throwable t){}
}
return jo;
}
public OutputStream getOutputStream(boolean isAppend) {
throw new RQException( "httpfile is readonly!" );
}
public boolean exists() {
try {
size();
return true;
}
catch( Throwable t ) {
throw new RQException( t );
}
}
public long size() {
try {
URL u = new URL( url );
return u.openConnection().getContentLength();
}
catch( Throwable t ) {
throw new RQException( t );
}
}
public long lastModified() {
return 0;
}
public boolean delete() {
return false;
}
public boolean move(String path, String opt) {
return false;
}
public String createTempFile(String prefix) {
return null;
}
public RandomOutputStream getRandomOutputStream(boolean isAppend) {
// TODO Auto-generated method stub
throw new RQException( "????дhttp?ļ?" );
//return null;
}
private class MyX509TrustManager implements X509TrustManager {
// ???ͻ???֤??
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
}
// ??????????֤??
public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
}
// ?????????ε?X509֤??????
public X509Certificate[] getAcceptedIssuers() {
return null;
}
}
public static void main( String[] args ) {
try {
HttpFile hf = new HttpFile( "http://localhost:7080/raqsoftReport/reportJsp/showReport.jsp?rpx=2.rpx" );
//hf.setPostParams( "arg1=?й?&arg2=???а???", "UTF-8" );
System.out.println( hf.getContentString( "UTF-8" ) );
}
catch( Throwable t ) {
t.printStackTrace();
}
}
public boolean deleteDir() {
return true;
}
/**
* ȡ????????ļ??????????֧????null
* @return RandomAccessFile
*/
public RandomAccessFile getRandomAccessFile() {
return null;
}
/**
* ?????Ƿ??????ļ?
* @return true???????ļ???false?????????ļ?
*/
public boolean isCloudFile() {
return false;
}
}