mirror of https://github.com/moparisthebest/curl
initial java interface commit: IT DOES NOT WORK
This commit is contained in:
Daniel Stenberg
parent
d9f989c8c8
commit
d712a4e800
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/**
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* The curl class is a JNI wrapper for libcurl. Please bear with me, I'm no
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* true java dude (yet). Improve what you think is bad and send me the
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* updates!
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* daniel@haxx.se
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*
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* This is meant as a raw, crude and low-level interface to libcurl. If you
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* want fancy stuff, build upon this.
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*/
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public class CurlGlue
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{
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// start of imported generated list, make a new list with
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// define2java.pl on demand
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public static final int CURLOPT_NOTHING = 0;
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public static final int CURLOPT_FILE = 10001;
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public static final int CURLOPT_URL = 10002;
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public static final int CURLOPT_PORT = 3;
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public static final int CURLOPT_PROXY = 10004;
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public static final int CURLOPT_USERPWD = 10005;
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public static final int CURLOPT_PROXYUSERPWD = 10006;
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public static final int CURLOPT_RANGE = 10007;
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public static final int CURLOPT_INFILE = 10009;
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public static final int CURLOPT_ERRORBUFFER = 10010;
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public static final int CURLOPT_WRITEFUNCTION = 20011;
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public static final int CURLOPT_READFUNCTION = 20012;
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public static final int CURLOPT_TIMEOUT = 13;
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public static final int CURLOPT_INFILESIZE = 14;
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public static final int CURLOPT_POSTFIELDS = 10015;
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public static final int CURLOPT_REFERER = 10016;
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public static final int CURLOPT_FTPPORT = 10017;
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public static final int CURLOPT_USERAGENT = 10018;
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public static final int CURLOPT_LOW_SPEED_LIMIT = 19;
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public static final int CURLOPT_LOW_SPEED_TIME = 20;
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public static final int CURLOPT_RESUME_FROM = 21;
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public static final int CURLOPT_COOKIE = 10022;
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public static final int CURLOPT_HTTPHEADER = 10023;
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public static final int CURLOPT_HTTPPOST = 10024;
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public static final int CURLOPT_SSLCERT = 10025;
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public static final int CURLOPT_SSLCERTPASSWD = 10026;
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public static final int CURLOPT_CRLF = 27;
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public static final int CURLOPT_QUOTE = 10028;
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public static final int CURLOPT_WRITEHEADER = 10029;
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public static final int CURLOPT_COOKIEFILE = 10031;
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public static final int CURLOPT_SSLVERSION = 32;
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public static final int CURLOPT_TIMECONDITION = 33;
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public static final int CURLOPT_TIMEVALUE = 34;
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public static final int CURLOPT_HTTPREQUEST = 10035;
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public static final int CURLOPT_CUSTOMREQUEST = 10036;
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public static final int CURLOPT_STDERR = 10037;
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public static final int CURLOPT_POSTQUOTE = 10039;
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public static final int CURLOPT_WRITEINFO = 10040;
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public static final int CURLOPT_VERBOSE = 41;
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public static final int CURLOPT_HEADER = 42;
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public static final int CURLOPT_NOPROGRESS = 43;
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public static final int CURLOPT_NOBODY = 44;
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public static final int CURLOPT_FAILONERROR = 45;
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public static final int CURLOPT_UPLOAD = 46;
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public static final int CURLOPT_POST = 47;
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public static final int CURLOPT_FTPLISTONLY = 48;
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public static final int CURLOPT_FTPAPPEND = 50;
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public static final int CURLOPT_NETRC = 51;
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public static final int CURLOPT_FOLLOWLOCATION = 52;
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public static final int CURLOPT_FTPASCII = 53;
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public static final int CURLOPT_TRANSFERTEXT = 53;
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public static final int CURLOPT_PUT = 54;
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public static final int CURLOPT_MUTE = 55;
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public static final int CURLOPT_PROGRESSFUNCTION = 20056;
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public static final int CURLOPT_PROGRESSDATA = 10057;
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public static final int CURLOPT_AUTOREFERER = 58;
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public static final int CURLOPT_PROXYPORT = 59;
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public static final int CURLOPT_POSTFIELDSIZE = 60;
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public static final int CURLOPT_HTTPPROXYTUNNEL = 61;
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public static final int CURLOPT_INTERFACE = 10062;
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public static final int CURLOPT_KRB4LEVEL = 10063;
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public static final int CURLOPT_SSL_VERIFYPEER = 64;
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public static final int CURLOPT_CAINFO = 10065;
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public static final int CURLOPT_PASSWDFUNCTION = 20066;
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public static final int CURLOPT_PASSWDDATA = 10067;
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public static final int CURLOPT_MAXREDIRS = 68;
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public static final int CURLOPT_FILETIME = 10069;
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public static final int CURLOPT_TELNETOPTIONS = 10070;
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public static final int CURLOPT_MAXCONNECTS = 71;
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public static final int CURLOPT_CLOSEPOLICY = 72;
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public static final int CURLOPT_CLOSEFUNCTION = 20073;
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public static final int CURLOPT_FRESH_CONNECT = 74;
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public static final int CURLOPT_FORBID_REUSE = 75;
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public static final int CURLOPT_RANDOM_FILE = 10076;
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public static final int CURLOPT_EGDSOCKET = 10077;
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public static final int CURLOPT_CONNECTTIMEOUT = 78;
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public static final int CURLOPT_HEADERFUNCTION = 20079;
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// end of generated list
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public CurlGlue() {
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javacurl_handle = jni_init();
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}
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public void finalize() {
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jni_cleanup(javacurl_handle);
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}
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private int javacurl_handle;
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/* constructor and destructor for the libcurl handle */
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private native int jni_init();
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private native void jni_cleanup(int javacurl_handle);
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private native synchronized int jni_perform(int javacurl_handle);
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// Instead of varargs, we have different functions for each
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// kind of type setopt() can take
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private native int jni_setopt(int libcurl, int option, String value);
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private native int jni_setopt(int libcurl, int option, int value);
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private native int jni_setopt(int libcurl, int option, CurlWrite value);
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public native int getinfo();
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public int perform() {
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return jni_perform(javacurl_handle);
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}
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public int setopt(int option, int value) {
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return jni_setopt(javacurl_handle, option, value);
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}
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public int setopt(int option, String value) {
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return jni_setopt(javacurl_handle, option, value);
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}
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public int setopt(int option, CurlWrite value) {
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return jni_setopt(javacurl_handle, option, value);
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}
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static {
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System.loadLibrary("javacurl");
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}
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}
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@ -0,0 +1,9 @@
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public interface CurlWrite
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{
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/**
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* handleString gets called by libcurl on each chunk of data
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* we receive from the remote server
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*/
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public int handleString(byte s[]);
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}
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@ -0,0 +1,33 @@
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TARGET = libjavacurl.so
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OBJS = javacurl.o
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CC = gcc
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CFLAGS = -c
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CPPFLAGS = -I/usr/j2se/include -I/usr/local/include -I/usr/j2se/include/solaris
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LDFLAGS = -lcurl -ldl -L/usr/local/ssl/lib -lssl -lcrypto
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all: CurlGlue.h CurlGlue.class javacurl.o $(TARGET) test.class
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test:
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java test
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javacurl.o: javacurl.c CurlGlue.h
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$(CC) $(CPPFLAGS) $(CFLAGS) $<
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CurlGlue.h: CurlGlue.java CurlGlue.class
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javah CurlGlue
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touch CurlGlue.h
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test.class: CurlGlue.class javacurl.o
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javac test.java
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CurlGlue.class: CurlGlue.java
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javac $<
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$(TARGET): $(OBJS)
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$(CC) -G -o $(TARGET) $(LDFLAGS) $(OBJS)
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clean:
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rm -f javacurl.o CurlGlue.h CurlGlue.class
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@ -0,0 +1,157 @@
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#include <curl/curl.h> /* libcurl header */
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#include "CurlGlue.h" /* the JNI-generated glue header file */
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/*
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* This is a private struct allocated for every 'CurlGlue' object.
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*/
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struct javacurl {
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void *libcurl;
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void *whatever;
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struct writecallback {
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jmethodID mid;
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JNIEnv *java;
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jclass cls;
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jobject obj;
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} write;
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};
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JNIEXPORT jint JNICALL Java_CurlGlue_jni_1init(JNIEnv *java,
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jobject myself)
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{
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void *libhandle;
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struct javacurl *jcurl=NULL;
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libhandle = curl_easy_init();
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if(libhandle) {
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jcurl=(struct javacurl *)malloc(sizeof(struct javacurl));
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if(jcurl) {
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memset(jcurl, 0, sizeof(struct javacurl));
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jcurl->libcurl = libhandle;
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}
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else {
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curl_easy_cleanup(libhandle);
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return (jint)0;
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}
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}
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return (jint) jcurl; /* nasty typecast */
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}
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JNIEXPORT void JNICALL Java_CurlGlue_jni_1cleanup(JNIEnv *java,
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jobject myself,
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jint jcurl)
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{
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void *handle=(void *)((struct javacurl*)jcurl)->libcurl;
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curl_easy_cleanup(handle); /* cleanup libcurl stuff */
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free((void *)jcurl); /* free the struct too */
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}
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/*
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* setopt() int + string
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*/
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JNIEXPORT jint JNICALL Java_CurlGlue_jni_1setopt__IILjava_lang_String_2
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(JNIEnv *java, jobject myself, jint jcurl, jint option, jstring value)
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{
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/* get the actual string C-style */
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const char *str = (*java)->GetStringUTFChars(java, value, 0);
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void *handle = (void *)((struct javacurl*)jcurl)->libcurl;
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puts("setopt int + string");
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return (jint)curl_easy_setopt(handle, (CURLoption)option, str);
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}
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/*
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* setopt() int + int
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*/
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JNIEXPORT jint JNICALL Java_CurlGlue_jni_1setopt__III
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(JNIEnv *java, jobject myself, jint jcurl, jint option, jint value)
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{
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void *handle = (void *)((struct javacurl*)jcurl)->libcurl;
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puts("setopt int + int");
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return (jint)curl_easy_setopt(handle, (CURLoption)option, value);
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}
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static int javacurl_write_callback(void *ptr,
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size_t size,
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size_t nmemb,
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FILE *stream)
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{
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struct javacurl *curl = (struct javacurl *)stream;
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size_t realsize = size * nmemb;
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JNIEnv *java = curl->write.java;
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jbyteArray jb;
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int ret;
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jb=(*java)->NewByteArray(java, realsize);
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(*java)->SetByteArrayRegion(java, jb, 0,
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realsize, (jbyte *)ptr);
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ret = (*java)->CallIntMethod(java,
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curl->write.obj,
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curl->write.mid,
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jb);
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return realsize;
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}
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/*
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* setopt() int + object
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*/
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JNIEXPORT jint JNICALL Java_CurlGlue_jni_1setopt__IILCurlWrite_2
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(JNIEnv *java, jobject myself, jint jcurl, jint option, jobject value)
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{
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jclass cls = (*java)->GetObjectClass(java, value);
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jmethodID mid;
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struct javacurl *curl = (struct javacurl *)jcurl;
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printf("setopt int + object, option = %d cls= %p\n", option, cls);
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switch(option) {
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case CURLOPT_WRITEFUNCTION:
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/* this is the write callback */
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mid = (*java)->GetMethodID(java, cls, "handleString",
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"([B)I");
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if(!mid) {
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/* no callback method found */
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puts("no callback method found");
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return 0;
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}
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curl->write.mid = mid;
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curl->write.java = java;
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curl->write.cls = cls;
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curl->write.obj = value;
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puts("setopt write callback and write file pointer");
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curl_easy_setopt(curl->libcurl, CURLOPT_WRITEFUNCTION,
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javacurl_write_callback);
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curl_easy_setopt(curl->libcurl, CURLOPT_FILE,
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curl);
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break;
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}
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return 0;
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}
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JNIEXPORT jint JNICALL Java_CurlGlue_getinfo
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(JNIEnv *java, jobject value)
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{
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return 0;
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}
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JNIEXPORT jint JNICALL Java_CurlGlue_jni_1perform
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(JNIEnv *java, jobject myself, jint jcurl)
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{
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void *handle=(void *)((struct javacurl*)jcurl)->libcurl;
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return (jint)curl_easy_perform(handle);
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}
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@ -0,0 +1,27 @@
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import CurlGlue;
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import CurlWrite;
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class test implements CurlWrite {
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public int handleString(byte s[])
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{
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/* output everything */
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System.out.println("IIIIIIIIIII -------------- OOOOOOOOOOOOOOOOOOO");
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try {
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System.out.write(s);
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}
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catch (java.io.IOException moo) {
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// nothing
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}
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return 0;
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}
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public static void main(String[] args)
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{
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CurlGlue cg = new CurlGlue();
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test cw = new test();
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cg.setopt(CurlGlue.CURLOPT_URL, "http://www.contactor.se/");
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cg.setopt(CurlGlue.CURLOPT_WRITEFUNCTION, cw);
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cg.perform();
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}
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}
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