xref: /aoo41x/main/javaunohelper/source/vm.cxx (revision cdf0e10c)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_javaunohelper.hxx"
30 
31 #include "sal/config.h"
32 
33 #include "vm.hxx"
34 
35 #include "com/sun/star/beans/NamedValue.hpp"
36 #include "com/sun/star/lang/XSingleComponentFactory.hpp"
37 #include "cppuhelper/compbase1.hxx"
38 #include "cppuhelper/component_context.hxx"
39 #include "jvmaccess/virtualmachine.hxx"
40 #include "jvmaccess/unovirtualmachine.hxx"
41 #include "osl/mutex.hxx"
42 
43 namespace {
44 
45 namespace css = ::com::sun::star;
46 
47 struct MutexHolder
48 {
49     ::osl::Mutex m_mutex;
50 };
51 typedef ::cppu::WeakComponentImplHelper1<
52     css::lang::XSingleComponentFactory > t_impl;
53 
54 class SingletonFactory : public MutexHolder, public t_impl
55 {
56     ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > m_vm_access;
57 
58 protected:
59     virtual void SAL_CALL disposing();
60 
61 public:
62     inline SingletonFactory( ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
63         : t_impl( m_mutex ),
64           m_vm_access( vm_access )
65         {}
66 
67     // XSingleComponentFactory impl
68     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithContext(
69         css::uno::Reference< css::uno::XComponentContext > const & xContext )
70         throw (css::uno::Exception);
71     virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArgumentsAndContext(
72         css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext )
73         throw (css::uno::Exception);
74 };
75 
76 void SingletonFactory::disposing()
77 {
78     m_vm_access.clear();
79 }
80 
81 css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithContext(
82     css::uno::Reference< css::uno::XComponentContext > const & xContext )
83     throw (css::uno::Exception)
84 {
85     sal_Int64 handle = reinterpret_cast< sal_Int64 >( m_vm_access.get() );
86     css::uno::Any arg(
87         css::uno::makeAny(
88             css::beans::NamedValue(
89                 rtl::OUString(
90                     RTL_CONSTASCII_USTRINGPARAM( "UnoVirtualMachine" ) ),
91                 css::uno::makeAny( handle ) ) ) );
92     return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
93         ::rtl::OUString(
94             RTL_CONSTASCII_USTRINGPARAM(
95                 "com.sun.star.java.JavaVirtualMachine")),
96         css::uno::Sequence< css::uno::Any >( &arg, 1 ), xContext );
97 }
98 
99 css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithArgumentsAndContext(
100     css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext )
101     throw (css::uno::Exception)
102 {
103     return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
104         ::rtl::OUString(
105             RTL_CONSTASCII_USTRINGPARAM(
106                 "com.sun.star.java.JavaVirtualMachine")),
107         args, xContext );
108 }
109 
110 }
111 
112 namespace javaunohelper {
113 
114 ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > create_vm_access(
115     JNIEnv * jni_env, jobject loader )
116 {
117     JavaVM * vm;
118     jni_env->GetJavaVM( &vm );
119     try {
120         return new ::jvmaccess::UnoVirtualMachine(
121             new ::jvmaccess::VirtualMachine(
122                 vm, JNI_VERSION_1_2, false, jni_env ),
123             loader );
124     } catch ( ::jvmaccess::UnoVirtualMachine::CreationException & ) {
125         throw css::uno::RuntimeException(
126             ::rtl::OUString(
127                 RTL_CONSTASCII_USTRINGPARAM(
128                     "jmvaccess::UnoVirtualMachine::CreationException"
129                     " occurred" ) ),
130             css::uno::Reference< css::uno::XInterface >() );
131     }
132 }
133 
134 css::uno::Reference< css::uno::XComponentContext > install_vm_singleton(
135     css::uno::Reference< ::css::uno::XComponentContext > const & xContext,
136     ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
137 {
138     css::uno::Reference< css::lang::XSingleComponentFactory > xFac( new SingletonFactory( vm_access ) );
139     ::cppu::ContextEntry_Init entry(
140         ::rtl::OUString(
141             RTL_CONSTASCII_USTRINGPARAM(
142                 "/singletons/com.sun.star.java.theJavaVirtualMachine")),
143         css::uno::makeAny( xFac ), true );
144     return ::cppu::createComponentContext( &entry, 1, xContext );
145 }
146 
147 }
148