jvmaccess/source/classpath.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "sal/config.h"
  21
  22 #include "jvmaccess/classpath.hxx"
  23
  24 #include <cassert>
  25 #include <vector>
  26
  27 #include "com/sun/star/lang/IllegalArgumentException.hpp"
  28 #include "com/sun/star/uno/Reference.hxx"
  29 #include "com/sun/star/uno/RuntimeException.hpp"
  30 #include "com/sun/star/uno/XComponentContext.hpp"
  31 #include "com/sun/star/uno/XInterface.hpp"
  32 #include "com/sun/star/uri/UriReferenceFactory.hpp"
  33 #include "com/sun/star/uri/XVndSunStarExpandUrlReference.hpp"
  34 #include "com/sun/star/util/theMacroExpander.hpp"
  35 #include "rtl/ustring.hxx"
  36 #include "sal/types.h"
  37
  38 #include "jni.h"
  39
  40 jobjectArray jvmaccess::ClassPath::translateToUrls(
  41     css::uno::Reference< css::uno::XComponentContext > const & context,
  42     JNIEnv * environment, OUString const & classPath)
  43 {
  44     assert(context.is());
  45     assert(environment != nullptr);
  46     jclass classUrl(environment->FindClass("java/net/URL"));
  47     if (classUrl == nullptr) {
  48         return nullptr;
  49     }
  50     jmethodID ctorUrl(
  51         environment->GetMethodID(classUrl, "<init>", "(Ljava/lang/String;)V"));
  52     if (ctorUrl == nullptr) {
  53         return nullptr;
  54     }
  55     ::std::vector< jobject > urls;
  56     for (::sal_Int32 i = 0; i != -1;) {
  57         OUString url(classPath.getToken(0, ' ', i));
  58         if (!url.isEmpty()) {
  59             css::uno::Reference< css::uri::XVndSunStarExpandUrlReference >
  60                 expUrl(
  61                     css::uri::UriReferenceFactory::create(context)->parse(url),
  62                     css::uno::UNO_QUERY);
  63             if (expUrl.is()) {
  64                 css::uno::Reference< css::util::XMacroExpander > expander =
  65                     css::util::theMacroExpander::get(context);
  66                 try {
  67                     url = expUrl->expand( expander );
  68                 } catch (const css::lang::IllegalArgumentException & e) {
  69                     throw css::uno::RuntimeException(
  70                         "com.sun.star.lang.IllegalArgumentException: "
  71                          + e.Message);
  72                 }
  73             }
  74             jvalue arg;
  75             arg.l = environment->NewString(
  76                 reinterpret_cast< jchar const * >(url.getStr()),
  77                 static_cast< jsize >(url.getLength()));
  78             if (arg.l == nullptr) {
  79                 return nullptr;
  80             }
  81             jobject o(environment->NewObjectA(classUrl, ctorUrl, &arg));
  82             if (o == nullptr) {
  83                 return nullptr;
  84             }
  85             urls.push_back(o);
  86         }
  87     }
  88     jobjectArray result = environment->NewObjectArray(
  89         static_cast< jsize >(urls.size()), classUrl, nullptr);
  90         // static_cast is ok, as each element of urls occupied at least one
  91         // character of the OUString classPath
  92     if (result == nullptr) {
  93         return nullptr;
  94     }
  95     jsize idx = 0;
  96     for (std::vector< jobject >::iterator i(urls.begin()); i != urls.end(); ++i)
  97     {
  98         environment->SetObjectArrayElement(result, idx++, *i);
  99     }
 100     return result;
 101 }
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */