Sleds/cppcore/cppcore.i

/* Copyright (c) 2015,2016 Sequence Logic Inc. All rights reserved
 *
 * SWIG interface for the cppcore, wraps the interfaces
 *  Uses SWIG "directors", to allow C++ to call back into Java for the observer and
 *  network service classes.
 *
 * Be aware, ordering of SWIG directives is ORDER DEPENDENT.
 */

%module(directors="1", assumeoverride=1) cppcore

%pragma(java) jniclassimports=%{
import java.util.Date;
%}

%include "stl.i"

%include "sequencelogic-collaborator.i"
%include "sequencelogic-json.i"
%include "sequencelogic-cgurn.i"
%include "sequencelogic-misc.i"
%include "sequencelogic-file.i"

%typemap(out) std::shared_ptr<std::vector<std::string> > {
    // This may look strange, but SWIG insists on wrapping the return value in their
    //  SwigValueWrapper template class.  Unfortunately, adding the line:
    // %feature("novaluewrapper") std::shared_ptr<std::vector<std::string> >;
    //  Doesn't seem to work.  I'm probably being too cute with my code.
    std::shared_ptr<std::vector<std::string> > pRes = *(&result);
    if (pRes == NULL)
    {
        SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "NULL std::shared_ptr<std::vector<std::string> >");
        return $null;
    }
    
    size_t nLen = pRes->size();
    const jclass jStringClass = jenv->FindClass("java/lang/String");
    jresult = jenv->NewObjectArray(static_cast<jsize>(nLen), jStringClass, NULL);
    for (unsigned int i = 0; i < nLen; ++i)
    {
        jstring tmpStr = jenv->NewStringUTF(pRes->at(i).c_str());
        jenv->SetObjectArrayElement(jresult, i, tmpStr);
        jenv->DeleteLocalRef(tmpStr);
    }
}

%typemap(jni) std::shared_ptr<std::vector<std::string> > "jobjectArray"
%typemap(jtype) std::shared_ptr<std::vector<std::string> > "String []"
%typemap(jstype) std::shared_ptr<std::vector<std::string> > "String []"

%typemap(directorin, descriptor="[Ljava/lang/String;") std::shared_ptr<std::vector<std::string> > "$input = (jobjectArray) $1;"
%typemap(javadirectorout) std::shared_ptr<std::vector<std::string> > "$javacall"
%typemap(directorout) std::shared_ptr<std::vector<std::string> > {
    // This may look strange, but SWIG insists on wrapping the return value in their
    //  SwigValueWrapper template class.  Unfortunately, adding the line:
    // %feature("novaluewrapper") std::shared_ptr<std::vector<std::string> >;
    //  Doesn't seem to work.  I'm probably being too cute with my code.
    std::shared_ptr<std::vector<std::string> > *pRes = (&c_result);
    pRes->reset(new std::vector<std::string>());
    
    unsigned int nLen = jenv->GetArrayLength(jresult);
    for (unsigned int i = 0; i < nLen; ++i)
    {
        jstring tmpStr = static_cast<jstring>(jenv->GetObjectArrayElement(jresult, i));
        const char *pStr = jenv->GetStringUTFChars(tmpStr, 0);
        (*pRes)->push_back(pStr);
        jenv->ReleaseStringUTFChars(tmpStr, pStr);
        jenv->DeleteLocalRef(tmpStr);
    }
}

%typemap(javain) std::shared_ptr<std::vector<std::string> > "$javainput"
%typemap(javaout) std::shared_ptr<std::vector<std::string> > {
    return $jnicall;
}

%header %{
/** #include "client/syncandmessagedisp.h" **/
#include "client/vanaccess.h"
#include "component/storagenodedbaccess_java.h"

using namespace sequencelogic;
%}

/* It seems that SWIG allows you to add code to the generated CPP/Java files
      but **not** the generated header files.  Bummer.  These lines need to be added
      to the generated ionu-samdjni.h file. */
/*
   update cppcorejni.h: {
#include "client/peerobserver.h"
#include "client/websvcs.h"
} */

/** %feature("director") PeerObserver;
%feature("director") WebSvcs; **/

/** %include "client/peerobserver.h"
%include "client/websvcs.h"
%include "client/syncandmessagedisp.h" */
%include "client/vanaccess.h"
%include "component/storagenodedbaccess_java.h"

%pragma(java) jniclassimports=%{
import java.util.Date;
%}

%pragma(java) jniclasscode=%{
  // bootstrap JNI/Lib
  static {
    System.out.println("[JAVA] " + new Date() + " cppcore static init");
    Exception here = new Exception("YOU ARE HERE: " + cppcore.class.getClassLoader());
    here.fillInStackTrace();
    System.out.println("LD_LIBRARY_PATH (Linux): " + System.getenv("LD_LIBRARY_PATH"));
    System.out.println("DYLD_LIBRARY_PATH (OSX): " + System.getenv("DYLD_LIBRARY_PATH"));
    try
    {
        System.out.println("[JAVA] " + new Date() + " Loading cppcore... " + System.getProperty("java.library.path"));
        System.loadLibrary("cppcore");
        System.out.println("[JAVA] " + new Date() + " cppcore Loaded native libraries!");
    }
    catch (Throwable ex){
        System.err.println("[JAVA] " + new Date() + " FATAL: cppcore Unable to load shared library: " + ex.getMessage());
        ex.printStackTrace();
    }
  }
%}