From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- jvmfwk/inc/vendorplugin.hxx | 245 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 245 insertions(+) create mode 100644 jvmfwk/inc/vendorplugin.hxx (limited to 'jvmfwk/inc/vendorplugin.hxx') diff --git a/jvmfwk/inc/vendorplugin.hxx b/jvmfwk/inc/vendorplugin.hxx new file mode 100644 index 000000000..4c24903ba --- /dev/null +++ b/jvmfwk/inc/vendorplugin.hxx @@ -0,0 +1,245 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +/** @HTML */ +#ifndef INCLUDED_JVMFWK_INC_VENDORPLUGIN_HXX +#define INCLUDED_JVMFWK_INC_VENDORPLUGIN_HXX + +#include +#include + +#include +#include + +namespace jfw_plugin { class VendorBase; } +namespace rtl { template class Reference; } + +struct JavaInfo; + +namespace jfw { class VendorSettings; } + +/** + @file +

+ This API shall be implemented if one wants to support a Java Runtime + Environment (JRE) of a particular vendor. Because there is currently no + specification which rules the structure and location of JRE installations + and the format of version strings it is not possible to supply a general + implementation for all possible vendors. If an application determines exactly + what version a JRE must have then it relies on certain features and bug + fixes of that version. Because a version 1.4.2_1 from vendor X may contain + different fixes as the same version from vendor Y it is important to see + version and vendor as one entity. One without the other does not guarantee + the existence of a particular set of features or bug fixes. An implementation + of this API may support multiple vendors.

+ */ + +enum class javaPluginError +{ + NONE, + Error, + InvalidArg, + WrongVersionFormat, + FailedVersion, + NoJre, + WrongArch, + VmCreationFailed +}; + + +/** obtains information about installations of Java Runtime Environments (JREs). + +

The function gathers information about available JREs. Only information + about those JREs which match the version requirements are returned. These + requirements are specified by the parameter vendorSettings. +

+

+ The JavaInfo structures returned in parJavaInfo should be ordered + according to their version. The one, representing a JRE with the highest + version should be the first in the array.

+ @param parJavaInfo + [out] if the function runs successfully then parJavaInfo contains + on return a vector of pointers to JavaInfo objects. + + @return + javaPluginError::NONE the function ran successfully.
+ javaPluginError::Error an error occurred during execution.
+ javaPluginError::WrongVersionFormat the version strings in + vendorSettings are not recognized as valid + version strings. + */ +javaPluginError jfw_plugin_getAllJavaInfos( + bool checkJavaHomeAndPath, + jfw::VendorSettings const & vendorSettings, + std::vector> * parJavaInfo, + std::vector> & infos); + +/** obtains information for a JRE at a given location. + +

If the given location belongs to a JRE + and the JRE has a version which meets the requirements as + specified by vendorSettings then + this function shall return a JavaInfo object for this JRE.

+ + @param sLocation + [in] a file URL to the directory of the JRE. + @param ppInfo + [out] if the function runs successfully then ppInfo contains + on return a pointer to a JavaInfo object. + + @return + javaPluginError::NONE the function ran successfully.
+ javaPluginError::Error an error occurred during execution.
+ javaPluginError::InvalidArg an argument was not valid. For example, sLocation + is an empty string.
+ javaPluginError::FailedVersion there is a JRE at the given location but it does not + meet the version requirements. + javaPluginError::NoJre no JRE could be detected at the given location. + */ +javaPluginError jfw_plugin_getJavaInfoByPath( + OUString const& sLocation, + jfw::VendorSettings const & vendorSettings, + std::unique_ptr * ppInfo); + + +/** obtains information for a JRE referenced by the JAVA_HOME environment variable. + +

If the JAVA_HOME environment variable is set and points to a JRE that + matches the requirements given by vendorSettings (i.e. + the version requirements, if any, for the vendor are met), + then this function shall return a JavaInfo object for this JRE.

+ + @param ppInfo + [out] if the JAVA_HOME environment variable is set and points to a suitable + JRE, then ppInfo contains + on return a pointer to its JavaInfo object. + + @return + javaPluginError::NONE the function ran successfully.
+ javaPluginError::NoJre no suitable JRE could be detected at the given location. However, that + does not mean necessarily that there is no JRE. There could be a JRE but + it does not + meet the version requirements. + */ +javaPluginError jfw_plugin_getJavaInfoFromJavaHome( + jfw::VendorSettings const & vendorSettings, + std::unique_ptr * ppInfo, + std::vector> & infos); + + +/** obtains information about installations of Java Runtime Environments (JREs) + whose executable is in the PATH. + +

The function gathers information about available JREs which are on the PATH + (PATH environment variable) and meet the version requirements given by + vendorSettings (i.e. + the version requirements, if any, for the vendor are met). +

+

+ The JavaInfo structures returned in vecJavaInfosFromPath should be ordered + according to their occurrence in the PATH. The one that is the first one on the PATH + is also the first element in the vector.

+ @param vecJavaInfosFromPath + [out] if the function runs successfully then vecJavaInfosFromPath + contains on return a vector of pointers to JavaInfo objects. + On return of this function, vecJavaInfosFromPath references + a newly created vector rather than the same vector as before with + the JavaInfo objects inserted into the existing vector. + + @return + javaPluginError::NONE the function ran successfully and at least one JRE + that meets the requirements was found.
+ javaPluginError::NoJre no JavaInfo that meets the version criteria was found + when inspecting the PATH + */ + +javaPluginError jfw_plugin_getJavaInfosFromPath( + jfw::VendorSettings const & vendorSettings, + std::vector> & vecJavaInfosFromPath, + std::vector> & infos); + +/** starts a Java Virtual Machine. + +

The caller should provide all essential JavaVMOptions, such as the + class path (-Djava.class.path=xxx). It is assumed that the caller + knows what JRE is used. Hence the implementation does not need to check + the options for validity. If a user configured the application to + use specific options, such as -X..., then it is in his responsibility to + ensure that the application works properly. The function may add or modify + properties. For example, it may add to the class path property. +

+ The function must ensure, that the VM does not abort the process + during instantiation.

+

+ The function receives a JavaInfo object that was created + by the functions jfw_plugin_getJavaInfoByPath or + jfw_plugin_getAllJavaInfos from the same library. This can be + guaranteed if an application uses exactly one library for one vendor. + Therefore the functions which create the JavaInfo can store all + necessary information which are needed for starting the VM into that + structure.

+ + @param pInfo + [in] the JavaInfo object with information about the JRE. + @param arOptions + [in] the options which are passed into the JNI_CreateJavaVM function. + Can be NULL. + @param nSizeOptions + [in] the number of elements in arOptions. + @param ppVM + [out] the JavaVM pointer of the created VM. + @param ppEnv + [out] the JNIEnv pointer of the created VM. + + @return + javaPluginError::NONE the function ran successfully.
+ javaPluginError::Error an error occurred during execution.
+ JFW_PLUGIN_E_VM_CREATION_FAILED a VM could not be created. The error was caused + by the JRE. + */ +javaPluginError jfw_plugin_startJavaVirtualMachine( + const JavaInfo *pInfo, + const JavaVMOption *arOptions, + sal_Int32 nSizeOptions, + JavaVM ** ppVM, + JNIEnv ** ppEnv); + + +/** checks if the installation of the jre still exists. + + This function checks if the JRE described by pInfo still + exists. The check must be very quick because it is called by javaldx + (Linux, Solaris) at start up. + + @param pInfo + [in] the JavaInfo object with information about the JRE. + @param pp_exist + [out] the parameter is set to either sal_True or sal_False. The value is + only valid if the function returns JFW_E_NONE. + + @return + javaPluginError::NONE the function ran successfully.
+ javaPluginError::Error an error occurred during execution.
+ javaPluginError::InvalidArg pInfo contains invalid data
+ */ +javaPluginError jfw_plugin_existJRE(const JavaInfo *pInfo, bool *exist); + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3