432 lines
18 KiB
C++
432 lines
18 KiB
C++
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#include <stdio.h>
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#include <cppuhelper/factory.hxx>
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#include <cppuhelper/implbase1.hxx>
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#include <cppuhelper/implbase2.hxx>
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#include <com/sun/star/bridge/XUnoUrlResolver.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/lang/XSingleServiceFactory.hpp>
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#include <com/sun/star/loader/XImplementationLoader.hpp>
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#include <com/sun/star/registry/XRegistryKey.hpp>
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using namespace ::com::sun::star::bridge;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::loader;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::registry;
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using namespace ::cppu;
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using namespace ::rtl;
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namespace dynamic_loader {
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class SingleServiceFactory : public WeakImplHelper2<XServiceInfo, XSingleServiceFactory> {
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Reference<XMultiServiceFactory> _xServiceManager;
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OUString _serviceName;
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OUString _link;
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OUString _resolver;
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Reference<XSingleServiceFactory> getRemoteFactory() throw(Exception, RuntimeException);
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public:
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SingleServiceFactory(const Reference<XMultiServiceFactory > & xServiceManager,
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const OUString & serviceName,
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const OUString & link,
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const OUString & resolver)
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: _xServiceManager(xServiceManager),
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_serviceName(serviceName),
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_link(link),
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_resolver(resolver)
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{}
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// XSingleServiceFactory
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Reference<XInterface> SAL_CALL createInstance() throw(Exception, RuntimeException);
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Reference<XInterface> SAL_CALL createInstanceWithArguments(const Sequence<Any>& Arguments)
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throw(::com::sun::star::uno::Exception,
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::com::sun::star::uno::RuntimeException);
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// XServiceInfo
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OUString SAL_CALL getImplementationName() throw(RuntimeException);
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sal_Bool SAL_CALL supportsService(const OUString& ServiceName) throw(RuntimeException);
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Sequence<OUString> SAL_CALL getSupportedServiceNames(void) throw(RuntimeException);
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};
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Reference<XSingleServiceFactory> SingleServiceFactory::getRemoteFactory() throw(Exception, RuntimeException) {
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Reference<XUnoUrlResolver> xResolver(_xServiceManager->createInstance(_resolver), UNO_QUERY);
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if(!xResolver.is()) {
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OUString message(RTL_CONSTASCII_USTRINGPARAM("dynamic_loader::singleServiceFactory.createInstance - couldn't create resolver: "));
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message += _resolver;
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throw Exception(message, Reference<XInterface>());
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}
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Reference<XInterface> remoteObject = xResolver->resolve(_link);
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if(!remoteObject.is()) {
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OUString message(RTL_CONSTASCII_USTRINGPARAM("dynamic_loader::singleServiceFactory.createInstance - couldn't resolve link: "));
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message += _link;
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throw Exception(message, Reference<XInterface>());
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}
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Reference<XSingleServiceFactory> remoteFactory(remoteObject, UNO_QUERY);
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if(!remoteFactory.is()) {
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OUString message(RTL_CONSTASCII_USTRINGPARAM("dynamic_loader::singleServiceFactory.createInstance - couldn't get XSingleServiceFactory from: "));
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message += _link;
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throw Exception(message, Reference<XInterface>());
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}
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return remoteFactory;
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}
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// XSingleServiceFactory
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Reference<XInterface> SAL_CALL SingleServiceFactory::createInstance() throw(Exception, RuntimeException) {
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OSL_TRACE("dynamic_loader::singleServiceFactory::createInstance");
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return getRemoteFactory()->createInstance();
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}
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Reference<XInterface> SAL_CALL SingleServiceFactory::createInstanceWithArguments(const Sequence<Any>& Arguments)
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throw(Exception, RuntimeException)
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{
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OSL_TRACE("dynamic_loader::singleServiceFactory::createInstanceWithArguments");
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return getRemoteFactory()->createInstanceWithArguments(Arguments);
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}
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// XServiceInfo
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OUString SAL_CALL SingleServiceFactory::getImplementationName() throw(RuntimeException) {
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return _link;
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}
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sal_Bool SAL_CALL SingleServiceFactory::supportsService(const OUString & ServiceName) throw(RuntimeException) {
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return _serviceName.equals(ServiceName);
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}
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Sequence<OUString> SAL_CALL SingleServiceFactory::getSupportedServiceNames(void) throw(RuntimeException) {
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return Sequence<OUString>(&_serviceName, 1);
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}
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class DynamicLoader : public WeakImplHelper2<XImplementationLoader, XServiceInfo> {
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Reference<XMultiServiceFactory> _xSMgr;
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protected:
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DynamicLoader(const Reference<XMultiServiceFactory> & rXSMgr) throw(RuntimeException);
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~DynamicLoader() throw();
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public:
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static const OUString implname;
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static const OUString servname;
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static Reference<XInterface> SAL_CALL createInstance(const Reference<XMultiServiceFactory> & rSMgr) throw(Exception);
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static Sequence<OUString> SAL_CALL getSupportedServiceNames_Static() throw();
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static void parseUrl(const OUString & url, OUString * serviceName, OUString * link, OUString * resolver) throw(RuntimeException);
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName() throw(RuntimeException);
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virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) throw(RuntimeException);
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virtual Sequence<OUString> SAL_CALL getSupportedServiceNames() throw(RuntimeException);
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// XImplementationLoader
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virtual Reference<XInterface> SAL_CALL activate(const OUString & implementationName,
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const OUString & implementationLoaderUrl,
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const OUString& locationUrl,
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const Reference<XRegistryKey>& xKey) throw(CannotActivateFactoryException, RuntimeException);
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virtual sal_Bool SAL_CALL writeRegistryInfo(const Reference<XRegistryKey>& xKey,
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const OUString& implementationLoaderUrl,
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const OUString& locationUrl) throw(CannotRegisterImplementationException, RuntimeException);
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};
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const OUString DynamicLoader::implname = OUString::createFromAscii("com.sun.star.comp.stoc.DynamicLoader");
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const OUString DynamicLoader::servname = OUString::createFromAscii("com.sun.star.loader.Dynamic");
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Sequence<OUString> SAL_CALL DynamicLoader::getSupportedServiceNames_Static() throw() {
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return Sequence<OUString>(&servname, 1);
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}
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Reference<XInterface> SAL_CALL DynamicLoader::createInstance(const Reference<XMultiServiceFactory> & rSMgr) throw(Exception) {
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Reference<XInterface> xRet;
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try {
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XImplementationLoader *pXLoader = (XImplementationLoader *)new DynamicLoader(rSMgr);
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xRet = Reference<XInterface>::query(pXLoader);
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}
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catch(RuntimeException & runtimeException) {
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OString message = OUStringToOString(runtimeException.Message, RTL_TEXTENCODING_ASCII_US);
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osl_trace("dynamic loader - could not init cause of %s", message.getStr());
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}
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OSL_TRACE("DynamicLoader - createInstance: %d", xRet.is());
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return xRet;
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}
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DynamicLoader::DynamicLoader(const Reference<XMultiServiceFactory> & xSMgr) throw(RuntimeException)
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: _xSMgr(xSMgr)
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{
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}
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DynamicLoader::~DynamicLoader() throw() {
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}
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// XServiceInfo
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OUString SAL_CALL DynamicLoader::getImplementationName() throw(RuntimeException) {
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return implname;
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}
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sal_Bool SAL_CALL DynamicLoader::supportsService(const OUString & ServiceName) throw(RuntimeException) {
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sal_Bool bSupport = sal_False;
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Sequence<OUString> aSNL = getSupportedServiceNames();
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const OUString * pArray = aSNL.getArray();
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for(sal_Int32 i = 0; i < aSNL.getLength() && !bSupport; ++ i)
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bSupport = pArray[i] == ServiceName;
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return bSupport;
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}
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Sequence<OUString> SAL_CALL DynamicLoader::getSupportedServiceNames() throw(RuntimeException) {
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return getSupportedServiceNames_Static();
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}
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void DynamicLoader::parseUrl(const OUString & locationUrl, OUString * serviceName, OUString * link, OUString * resolver) throw(RuntimeException) {
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#if OSL_DEBUG_LEVEL > 1
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OString tmp = OUStringToOString(locationUrl, RTL_TEXTENCODING_ASCII_US);
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OSL_TRACE("DynamicLoader - locationUrl %s", tmp.getStr());
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#endif
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// This is the default resolver
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*resolver = OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.bridge.UnoUrlResolver"));
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const OUString bSlash(OUString(RTL_CONSTASCII_USTRINGPARAM("\\")));
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const OUString tuedle(OUString(RTL_CONSTASCII_USTRINGPARAM("\"")));
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const OUString separator(OUString(RTL_CONSTASCII_USTRINGPARAM(",")));
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const OUString emptyString(OUString(RTL_CONSTASCII_USTRINGPARAM("")));
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const OUString equalSign(OUString(RTL_CONSTASCII_USTRINGPARAM("=")));
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sal_Int32 index = 0;
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sal_Bool left = sal_True;
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sal_Bool quote = sal_False;
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sal_Bool inString = sal_False;
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const sal_Unicode * raw_url = locationUrl.getStr();
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OUString token;
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OUString attribute;
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while(index <= locationUrl.getLength()) {
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if(index >= locationUrl.getLength() || (raw_url[index] == separator.getStr()[0] && !quote && !inString)) { // a separator or end?
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OUString value;
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if(left)
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attribute = token.trim();
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else
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value = token.trim();
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#if OSL_DEBUG_LEVEL > 1
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OString attribute_tmp = OUStringToOString(attribute, RTL_TEXTENCODING_ASCII_US);
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OSL_TRACE("DynamicLoader - attribute %s", attribute_tmp.getStr());
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OString value_tmp = OUStringToOString(value, RTL_TEXTENCODING_ASCII_US);
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OSL_TRACE("DynamicLoader - value %s", value_tmp.getStr());
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#endif
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if(attribute.equals(OUString(RTL_CONSTASCII_USTRINGPARAM("servicename"))))
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*serviceName = value;
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else if(attribute.equals(OUString(RTL_CONSTASCII_USTRINGPARAM("link"))))
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*link = value;
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else if(attribute.equals(OUString(RTL_CONSTASCII_USTRINGPARAM("resolver"))))
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*resolver = value;
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else {
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OUString message(RTL_CONSTASCII_USTRINGPARAM("help called"));
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if(!attribute.equals(OUString(RTL_CONSTASCII_USTRINGPARAM("help")))) {
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message = OUString(RTL_CONSTASCII_USTRINGPARAM("DynamicLoader - unknown attribute: "));
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message += attribute;
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}
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fprintf(stdout, "DynamicLoader - help\n");
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fprintf(stdout, "attributes:\n");
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fprintf(stdout, "\tservicename: service name of dynamic component\n");
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fprintf(stdout, "\tlink: link to a single service factory for dynamic component\n");
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fprintf(stdout, "\tresolver: the service which resolves the link\n");
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fprintf(stdout, "\thelp: this help\n");
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throw RuntimeException(message, Reference<XInterface>());
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}
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left = sal_True; // reset state to be left
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token = emptyString;
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}
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else if(raw_url[index] == bSlash.getStr()[0] && !quote) // a back slash?
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quote = sal_True;
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else if(raw_url[index] == equalSign.getStr()[0] && !quote && !inString) { // equalSign (switch from left to right)?
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left = sal_False;
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attribute = token.trim();
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token = emptyString;
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}
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else if(raw_url[index] == tuedle.getStr()[0] && !quote) // begin or end of string?
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inString = !inString;
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else { // no special handling
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token += OUString(raw_url + index, 1);
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quote = sal_False;
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}
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++ index;
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}
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// enshure, that attributes are set properly
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if(!(*serviceName).getLength())
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throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM("dynamic_loader::DynamicLoader.parseUrl - missing or empty attribute: servicename")),
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Reference<XInterface>());
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if(!(*link).getLength())
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throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM("dynamic_loader::DynamicLoader.parseUrl - missing or empty attribute: link")),
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Reference<XInterface>());
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if(!(*resolver).getLength())
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throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM("dynamic_loader::DynamicLoader.parseUrl - missing or empty attribute: resolver")),
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Reference<XInterface>());
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}
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// XImplementationLoader
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sal_Bool SAL_CALL DynamicLoader::writeRegistryInfo(const Reference<XRegistryKey> & xKey,
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const OUString & implementationLoaderUrl,
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const OUString & locationUrl)
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throw(CannotRegisterImplementationException, RuntimeException)
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{
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OSL_TRACE("DynamicLoader::writeRegistryInfo");
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OUString serviceName;
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OUString link;
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OUString resolver;
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try {
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parseUrl(locationUrl, &serviceName, &link, &resolver);
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}
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catch(RuntimeException & runtimeException) {
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throw CannotRegisterImplementationException(runtimeException.Message, Reference<XInterface>());
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}
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// create the keys
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OUString keyName = OUString::createFromAscii("/");
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keyName += implementationLoaderUrl;
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keyName += OUString(RTL_CONSTASCII_USTRINGPARAM("_"));
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keyName += serviceName;
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keyName += OUString::createFromAscii("/UNO/SERVICES");
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Reference<XRegistryKey> xNewKey(xKey->createKey(keyName));
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xNewKey->createKey(serviceName);
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sal_Bool bSuccess = sal_True;
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return bSuccess;
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}
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Reference<XInterface> SAL_CALL DynamicLoader::activate(const OUString & rImplName,
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const OUString & loaderUrl,
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const OUString & locationUrl,
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const Reference<XRegistryKey> & xKey)
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throw(CannotActivateFactoryException, RuntimeException)
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{
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OSL_TRACE("DynamicLoader::activate");
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OUString serviceName;
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OUString link;
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OUString resolver;
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parseUrl(locationUrl, &serviceName, &link, &resolver);
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XSingleServiceFactory * xFactory = (XSingleServiceFactory *)new SingleServiceFactory(_xSMgr,
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serviceName,
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link,
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resolver);
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Reference<XInterface> xReturn;
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if(xFactory)
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xReturn = Reference<XInterface>::query(xFactory);
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return xReturn;
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}
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}
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extern "C" {
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SAL_DLLEXPORT void SAL_CALL component_getImplementationEnvironment(const sal_Char ** ppEnvTypeName, uno_Environment ** ppEnv) {
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*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
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}
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SAL_DLLEXPORT sal_Bool SAL_CALL component_writeInfo(XMultiServiceFactory * pServiceManager, XRegistryKey * pRegistryKey) {
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sal_Bool bRes = sal_False;
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if (pRegistryKey) {
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try {
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OUString x = OUString::createFromAscii("/");
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x += ::dynamic_loader::DynamicLoader::implname;
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x += OUString::createFromAscii("/UNO/SERVICES");
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Reference<XRegistryKey> xNewKey(pRegistryKey->createKey(x));
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const Sequence<OUString> rSNL = ::dynamic_loader::DynamicLoader::getSupportedServiceNames_Static();
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const OUString * pArray = rSNL.getConstArray();
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for (sal_Int32 nPos = rSNL.getLength(); nPos--;)
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xNewKey->createKey(pArray[nPos]);
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bRes = sal_True;
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}
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catch (InvalidRegistryException &) {
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OSL_ENSURE( sal_False, "### InvalidRegistryException!" );
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}
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}
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return bRes;
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}
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SAL_DLLEXPORT void * SAL_CALL component_getFactory(const sal_Char * pImplName, XMultiServiceFactory * pServiceManager, XRegistryKey * pRegistryKey) {
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void * pRet = 0;
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if (pServiceManager && OUString::createFromAscii(pImplName).equals(::dynamic_loader::DynamicLoader::implname)) {
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Reference<XSingleServiceFactory> xFactory(createOneInstanceFactory(pServiceManager,
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::dynamic_loader::DynamicLoader::implname,
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::dynamic_loader::DynamicLoader::createInstance,
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::dynamic_loader::DynamicLoader::getSupportedServiceNames_Static()));
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if (xFactory.is()) {
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xFactory->acquire();
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pRet = xFactory.get();
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}
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}
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else
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OSL_TRACE("DynamicLoader - warning - given wrong implName: %s", pImplName);
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return pRet;
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}
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}
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