Line data    Source code

       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 <vector>
      25             : 
      26             : #include "com/sun/star/lang/IllegalArgumentException.hpp"
      27             : #include "com/sun/star/uno/Any.hxx"
      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 "osl/diagnose.h"
      36             : #include "rtl/ustring.hxx"
      37             : #include "sal/types.h"
      38             : 
      39             : #include "jni.h"
      40             : 
      41           2 : void * ::jvmaccess::ClassPath::doTranslateToUrls(
      42             :     css::uno::Reference< css::uno::XComponentContext > const & context,
      43             :     void * environment, OUString const & classPath)
      44             : {
      45             :     OSL_ASSERT(context.is() && environment != 0);
      46           2 :     ::JNIEnv * const env = static_cast< ::JNIEnv * >(environment);
      47           2 :     jclass classUrl(env->FindClass("java/net/URL"));
      48           2 :     if (classUrl == 0) {
      49           0 :         return 0;
      50             :     }
      51             :     jmethodID ctorUrl(
      52           2 :         env->GetMethodID(classUrl, "<init>", "(Ljava/lang/String;)V"));
      53           2 :     if (ctorUrl == 0) {
      54           0 :         return 0;
      55             :     }
      56           2 :     ::std::vector< jobject > urls;
      57          14 :     for (::sal_Int32 i = 0; i != -1;) {
      58          10 :         OUString url(classPath.getToken(0, ' ', i));
      59          10 :         if (!url.isEmpty()) {
      60             :             css::uno::Reference< css::uri::XVndSunStarExpandUrlReference >
      61             :                 expUrl(
      62           8 :                     css::uri::UriReferenceFactory::create(context)->parse(url),
      63           4 :                     css::uno::UNO_QUERY);
      64           4 :             if (expUrl.is()) {
      65             :                 css::uno::Reference< css::util::XMacroExpander > expander =
      66           0 :                     css::util::theMacroExpander::get(context);
      67             :                 try {
      68           0 :                     url = expUrl->expand( expander );
      69           0 :                 } catch (const css::lang::IllegalArgumentException & e) {
      70             :                     throw css::uno::RuntimeException(
      71             :                         (OUString(
      72             :                                 "com.sun.star.lang.IllegalArgumentException: ")
      73           0 :                          + e.Message),
      74           0 :                         css::uno::Reference< css::uno::XInterface >());
      75           0 :                 }
      76             :             }
      77             :             jvalue arg;
      78             :             arg.l = env->NewString(
      79             :                 static_cast< jchar const * >(url.getStr()),
      80           4 :                 static_cast< jsize >(url.getLength()));
      81           4 :             if (arg.l == 0) {
      82           0 :                 return 0;
      83             :             }
      84           4 :             jobject o(env->NewObjectA(classUrl, ctorUrl, &arg));
      85           4 :             if (o == 0) {
      86           0 :                 return 0;
      87             :             }
      88           4 :             urls.push_back(o);
      89             :         }
      90          10 :     }
      91             :     jobjectArray result = env->NewObjectArray(
      92           2 :         static_cast< jsize >(urls.size()), classUrl, 0);
      93             :         // static_cast is ok, as each element of urls occupied at least one
      94             :         // character of the OUString classPath
      95           2 :     if (result == 0) {
      96           0 :         return 0;
      97             :     }
      98           2 :     jsize idx = 0;
      99           6 :     for (std::vector< jobject >::iterator i(urls.begin()); i != urls.end(); ++i)
     100             :     {
     101           4 :         env->SetObjectArrayElement(result, idx++, *i);
     102             :     }
     103           2 :     return result;
     104             : }
     105             : 
     106           0 : void * ::jvmaccess::ClassPath::doLoadClass(
     107             :     css::uno::Reference< css::uno::XComponentContext > const & context,
     108             :     void * environment, OUString const & classPath,
     109             :     OUString const & name)
     110             : {
     111             :     OSL_ASSERT(context.is() && environment != 0);
     112           0 :     ::JNIEnv * const env = static_cast< ::JNIEnv * >(environment);
     113           0 :     jclass classLoader(env->FindClass("java/net/URLClassLoader"));
     114           0 :     if (classLoader == 0) {
     115           0 :         return 0;
     116             :     }
     117             :     jmethodID ctorLoader(
     118           0 :         env->GetMethodID(classLoader, "<init>", "([Ljava/net/URL;)V"));
     119           0 :     if (ctorLoader == 0) {
     120           0 :         return 0;
     121             :     }
     122             :     jvalue arg;
     123           0 :     arg.l = translateToUrls(context, env, classPath);
     124           0 :     if (arg.l == 0) {
     125           0 :         return 0;
     126             :     }
     127           0 :     jobject cl = env->NewObjectA(classLoader, ctorLoader, &arg);
     128           0 :     if (cl == 0) {
     129           0 :         return 0;
     130             :     }
     131             :     jmethodID methLoadClass(
     132             :         env->GetMethodID(
     133           0 :             classLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"));
     134           0 :     if (methLoadClass == 0) {
     135           0 :         return 0;
     136             :     }
     137             :     arg.l = env->NewString(
     138             :         static_cast< jchar const * >(name.getStr()),
     139           0 :         static_cast< jsize >(name.getLength()));
     140           0 :     if (arg.l == 0) {
     141           0 :         return 0;
     142             :     }
     143           0 :     return env->CallObjectMethodA(cl, methLoadClass, &arg);
     144             : }
     145             : 
     146             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */