[1753] | 1 | /* * ====================================================================== |
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[1727] | 2 | * AUTHOR: Ben Rafferty, Purdue University |
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[3177] | 3 | * Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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[1727] | 4 | * |
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| 5 | * See the file "license.terms" for information on usage and |
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| 6 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 7 | * ====================================================================== |
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| 8 | */ |
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| 9 | |
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| 10 | /* |
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| 11 | * This file defines the native functions which are called by the java Library |
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| 12 | * class methods, and in turn call the corresponding rappture RpLibrary methods. |
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| 13 | */ |
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| 14 | |
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[1722] | 15 | #include "jRpLibrary.h" |
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| 16 | #include "rappture.h" |
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| 17 | |
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[1727] | 18 | /* |
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[1753] | 19 | * Constructor. Creates a C++ RpLibrary object and returns its address to |
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[1727] | 20 | * java as a long int. |
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| 21 | */ |
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[1722] | 22 | JNIEXPORT jlong JNICALL Java_rappture_Library_jRpLibrary |
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| 23 | (JNIEnv *env, jobject obj, jstring javaPath){ |
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[1753] | 24 | RpLibrary* lib = NULL; |
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| 25 | const char* nativePath; |
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| 26 | jclass ex; |
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| 27 | |
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| 28 | if (javaPath == NULL){ |
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| 29 | lib = new RpLibrary(); |
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| 30 | } |
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| 31 | else{ |
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| 32 | nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 33 | lib = new RpLibrary(nativePath); |
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| 34 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 35 | } |
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| 36 | |
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| 37 | if (lib == NULL){ |
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| 38 | ex = env->FindClass("java/lang/NullPointerException"); |
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| 39 | if (ex){ |
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| 40 | env->ThrowNew(ex, "Could not create rappture library."); |
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| 41 | } |
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| 42 | env->DeleteLocalRef(ex); |
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| 43 | } |
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| 44 | |
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[1722] | 45 | return (jlong)lib; |
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| 46 | } |
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| 47 | |
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[1727] | 48 | /* |
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[1753] | 49 | * Destructor. This function is called by the java Library class's |
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| 50 | * finalizer. Deletes the C++ RpLibrary object when the java Library |
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| 51 | * is garbage collected. |
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[1727] | 52 | */ |
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[1722] | 53 | JNIEXPORT void JNICALL Java_rappture_Library_jRpDeleteLibrary |
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| 54 | (JNIEnv *env, jobject obj, jlong libPtr){ |
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| 55 | delete (RpLibrary*) libPtr; |
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| 56 | return; |
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| 57 | } |
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| 58 | |
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[1749] | 59 | // getData |
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| 60 | JNIEXPORT jbyteArray JNICALL Java_rappture_Library_jRpGetData |
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| 61 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath){ |
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| 62 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 63 | Rappture::Buffer buf = ((RpLibrary*)libPtr)->getData(nativePath); |
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| 64 | size_t size = buf.size(); |
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| 65 | _jbyteArray* jbuf = env->NewByteArray(size); |
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| 66 | env->SetByteArrayRegion(jbuf, 0, size, (const jbyte*)buf.bytes()); |
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| 67 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 68 | return jbuf; |
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| 69 | } |
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| 70 | |
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[1722] | 71 | // getDouble |
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| 72 | JNIEXPORT jdouble JNICALL Java_rappture_Library_jRpGetDouble |
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| 73 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath){ |
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| 74 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 75 | double retDVal = ((RpLibrary*)libPtr)->getDouble(nativePath); |
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| 76 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 77 | return (jdouble)retDVal; |
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| 78 | } |
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| 79 | |
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[1753] | 80 | // getInt |
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| 81 | JNIEXPORT jint JNICALL Java_rappture_Library_jRpGetInt |
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| 82 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath){ |
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| 83 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 84 | int retIVal = ((RpLibrary*)libPtr)->getInt(nativePath); |
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| 85 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 86 | return (jint)retIVal; |
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| 87 | } |
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| 88 | |
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[1722] | 89 | // getString |
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| 90 | JNIEXPORT jstring JNICALL Java_rappture_Library_jRpGetString |
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| 91 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath){ |
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| 92 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 93 | std::string retStr = ((RpLibrary*)libPtr)->getString(nativePath); |
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| 94 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 95 | return(env->NewStringUTF(retStr.c_str())); |
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| 96 | } |
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| 97 | |
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| 98 | // putDouble |
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| 99 | JNIEXPORT void JNICALL Java_rappture_Library_jRpPutDouble |
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| 100 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath, |
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| 101 | jdouble value, jboolean append){ |
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| 102 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 103 | ((RpLibrary*)libPtr)->put(nativePath, value, "", (int)append); |
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| 104 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 105 | } |
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| 106 | |
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| 107 | // put |
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| 108 | JNIEXPORT void JNICALL Java_rappture_Library_jRpPut |
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| 109 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath, jstring javaValue, jboolean append){ |
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| 110 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 111 | const char* nativeValue = env->GetStringUTFChars(javaValue, 0); |
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| 112 | ((RpLibrary*)libPtr)->put(nativePath, nativeValue, "", (int)append); |
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| 113 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 114 | env->ReleaseStringUTFChars(javaValue, nativeValue); |
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| 115 | } |
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| 116 | |
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[1748] | 117 | // putData |
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| 118 | JNIEXPORT void JNICALL Java_rappture_Library_jRpPutData |
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| 119 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath, |
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| 120 | jbyteArray jb, jint nbytes, jboolean append){ |
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| 121 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 122 | jbyte* b = env->GetByteArrayElements(jb, NULL); |
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[1749] | 123 | ((RpLibrary*)libPtr)->putData(nativePath, (const char*)b, |
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| 124 | nbytes, (int)append); |
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[1748] | 125 | env->ReleaseByteArrayElements(jb, b, 0); |
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| 126 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 127 | } |
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[1722] | 128 | |
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[1748] | 129 | // putFile |
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| 130 | JNIEXPORT void JNICALL Java_rappture_Library_jRpPutFile |
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| 131 | (JNIEnv *env, jobject obj, jlong libPtr, jstring javaPath, |
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| 132 | jstring javaFileName, jboolean compress, jboolean append){ |
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| 133 | const char* nativePath = env->GetStringUTFChars(javaPath, 0); |
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| 134 | const char* nativeFileName = env->GetStringUTFChars(javaFileName, 0); |
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[1749] | 135 | ((RpLibrary*)libPtr)->putFile(nativePath, nativeFileName, |
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| 136 | (int)compress, (int)append); |
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[1748] | 137 | env->ReleaseStringUTFChars(javaPath, nativePath); |
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| 138 | env->ReleaseStringUTFChars(javaFileName, nativeFileName); |
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| 139 | } |
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| 140 | |
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[1722] | 141 | // result |
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| 142 | JNIEXPORT void JNICALL Java_rappture_Library_jRpResult |
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| 143 | (JNIEnv *env, jobject obj, jlong libPtr, jint exitStatus){ |
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| 144 | ((RpLibrary*)libPtr)->result(exitStatus); |
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| 145 | } |
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| 146 | |
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[2076] | 147 | // xml |
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| 148 | JNIEXPORT jstring JNICALL Java_rappture_Library_jRpXml |
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| 149 | (JNIEnv *env, jobject obj, jlong libPtr) { |
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| 150 | std::string retStr = ((RpLibrary*)libPtr)->xml(); |
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| 151 | return(env->NewStringUTF(retStr.c_str())); |
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| 152 | } |
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| 153 | |
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