| /* |
| * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package com.apple.jobjc; |
| |
| |
| public class Function { |
| private static native long getFxnPtrForFunctionName(final String functionName); |
| private static native long getFxnPtrForFunctionNameAndLib(final long libPtr, final String functionName); |
| |
| final long fxnPtr; |
| |
| Function(final long fxnPtr) { |
| this.fxnPtr = fxnPtr; |
| } |
| |
| public Function(final String name) { |
| this(getFxnPtr(name)); |
| } |
| |
| public Function(final MacOSXFramework framework, final String name) { |
| this(getFxnPtr(name, framework)); |
| } |
| |
| static long getFxnPtr(final String name){ |
| long fxnPtr = getFxnPtrForFunctionName(name); |
| if(fxnPtr == 0) throw new RuntimeException("Function pointer for " + name + " not found in runtime."); |
| return fxnPtr; |
| } |
| |
| static long getFxnPtr(final String name, final MacOSXFramework framework){ |
| long fxnPtr = 0; |
| for(int i = 0; fxnPtr == 0 && i < framework.nativeLibPtrs.length; i++){ |
| fxnPtr = getFxnPtrForFunctionNameAndLib(framework.nativeLibPtrs[i], name); |
| if(fxnPtr != 0) return fxnPtr; |
| } |
| throw new RuntimeException("Function pointer for " + name + " not found in framework " + framework + "."); |
| } |
| } |