b9337e22ce
see https://gerrit.libreoffice.org/#/c/3367/ and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a
139 lines
4.7 KiB
C++
139 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_JVMACCESS_CLASSPATH_HXX
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#define INCLUDED_JVMACCESS_CLASSPATH_HXX
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#include "jvmaccessdllapi.h"
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#include "sal/config.h"
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#include "com/sun/star/uno/Reference.hxx"
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#include "jni.h"
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namespace com { namespace sun { namespace star { namespace uno {
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class XComponentContext;
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} } } }
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namespace jvmaccess {
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/**
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Helper functions for class path handling.
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*/
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class JVMACCESS_DLLPUBLIC ClassPath {
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public:
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/**
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translates a class path into a java.net.URL[] instance.
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@param context
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a component context; must not be null.
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@param environment
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a JNI environment; must not be null.
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@param classPath
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a list of zero or more internal (see the
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com.sun.star.uri.ExternalUriReferenceTranslator service) URI references,
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where any space characters (U+0020) are ignored (and, in particular,
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separate adjacent URI references). Any vnd.sun.star.expand URL
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references in the list are expanded using the
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com.sun.star.util.theMacroExpander singleton of the given context.
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@returns
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a local reference to a java.net.URL[] instance containing the external
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(see the com.sun.star.uri.ExternalUriReferenceTranslator service)
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equivalents of all the URI references in the given classPath. If null, a
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(still pending) JNI exception occurred.
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@throws com::sun::star::uno::RuntimeException
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*/
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static inline ::jobjectArray
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translateToUrls(
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::com::sun::star::uno::Reference<
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::com::sun::star::uno::XComponentContext > const & context,
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::JNIEnv * environment, OUString const & classPath)
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{
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return
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static_cast< ::jobjectArray >(
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doTranslateToUrls(context, environment, classPath));
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}
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/**
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loads a class via a java.net.URLClassLoader.
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@param context
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a component context; must not be null.
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@param environment
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a JNI environment; must not be null.
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@param classPath
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a list of zero or more internal (see the
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com.sun.star.uri.ExternalUriReferenceTranslator service) URI references,
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where any space characters (U+0020) are ignored (and, in particular,
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separate adjacent URI references). Any vnd.sun.star.expand URL
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references in the list are expanded using the
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com.sun.star.util.theMacroExpander singleton of the given context.
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@param name
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the Java binary name of the class to load.
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@returns
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a local reference to a java.lang.Class instance. If null, a (still
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pending) JNI exception occurred.
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@throws com::sun::star::uno::RuntimeException
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*/
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static inline ::jclass loadClass(
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::com::sun::star::uno::Reference<
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::com::sun::star::uno::XComponentContext > const & context,
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::JNIEnv * environment, OUString const & classPath,
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OUString const & name)
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{
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return
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static_cast< ::jclass >(
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doLoadClass(context, environment, classPath, name));
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}
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private:
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ClassPath(); // not defined
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ClassPath(ClassPath &); // not defined
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~ClassPath(); // not defined
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void operator =(ClassPath &); // not defined
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// Functions that replace JNIEnv, jobjectArray, and jclass with void *, so
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// that their mangled C++ names do not depend on the JDK version used at
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// compile time:
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static void * doTranslateToUrls(
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::com::sun::star::uno::Reference<
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::com::sun::star::uno::XComponentContext > const & context,
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void * environment, OUString const & classPath);
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static void * doLoadClass(
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::com::sun::star::uno::Reference<
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::com::sun::star::uno::XComponentContext > const & context,
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void * environment, OUString const & classPath,
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OUString const & name);
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};
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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