8af706c11b
Author=Ann Sunhachawee r=edburns@acm.org Approver=edburns@acm.org Bug=http://bugzilla.mozilla.org/show_bug.cgi?id=16842 git-svn-id: svn://10.0.0.236/trunk@51239 18797224-902f-48f8-a5cc-f745e15eee43
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "jni.h"
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#include "jni_util.h"
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JNIEXPORT jvalue JNICALL
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JNU_CallMethodByName(JNIEnv *env,
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jboolean *hasException,
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jobject obj,
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const char *name,
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const char *signature,
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...)
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{
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jvalue result;
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va_list args;
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va_start(args, signature);
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result = JNU_CallMethodByNameV(env, hasException, obj, name, signature,
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args);
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va_end(args);
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return result;
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}
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JNIEXPORT jvalue JNICALL
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JNU_CallMethodByNameV(JNIEnv *env,
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jboolean *hasException,
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jobject obj,
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const char *name,
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const char *signature,
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va_list args)
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{
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jclass clazz;
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jmethodID mid;
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jvalue result;
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const char *p = signature;
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printf("jni_util: call method by name if 0");
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/* find out the return type */
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while (*p && *p != ')')
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p++;
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p++;
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result.i = 0;
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if ((*env)->EnsureLocalCapacity(env, 3) < 0)
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goto done2;
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printf("jni_util: call method by name if 1");
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clazz = (*env)->GetObjectClass(env, obj);
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printf("jni_util: call method by name 2");
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mid = (*env)->GetMethodID(env, clazz, name, signature);
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printf("jni_util: call method by name 3");
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if (mid == 0)
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goto done1;
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printf("jni_util: call method by name if 4");
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switch (*p) {
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case 'V':
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(*env)->CallVoidMethodV(env, obj, mid, args);
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break;
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case '[':
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case 'L':
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result.l = (*env)->CallObjectMethodV(env, obj, mid, args);
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break;
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case 'Z':
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result.z = (*env)->CallBooleanMethodV(env, obj, mid, args);
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break;
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case 'B':
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result.b = (*env)->CallByteMethodV(env, obj, mid, args);
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break;
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case 'C':
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result.c = (*env)->CallCharMethodV(env, obj, mid, args);
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break;
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case 'S':
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result.s = (*env)->CallShortMethodV(env, obj, mid, args);
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break;
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case 'I':
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result.i = (*env)->CallIntMethodV(env, obj, mid, args);
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break;
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case 'J':
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result.j = (*env)->CallLongMethodV(env, obj, mid, args);
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break;
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case 'F':
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result.f = (*env)->CallFloatMethodV(env, obj, mid, args);
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break;
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case 'D':
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result.d = (*env)->CallDoubleMethodV(env, obj, mid, args);
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break;
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default:
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(*env)->FatalError(env, "JNU_CallMethodByNameV: illegal signature");
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}
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done1:
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(*env)->DeleteLocalRef(env, clazz);
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done2:
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if (hasException) {
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*hasException = (*env)->ExceptionCheck(env);
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}
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return result;
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}
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JNIEXPORT void * JNICALL
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JNU_GetEnv(JavaVM *vm, jint version)
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{
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void *env;
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(*vm)->GetEnv(vm, &env, version);
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return env;
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}
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