INTEGRATION: CWS sb36 (1.1.2); FILE ADDED

2007/01/22 13:56:47 sb 1.1.2.2: Dropped obsolete SISSL header.
2005/07/14 12:43:34 sb 1.1.2.1: #i51803# New jvmaccess::ClassPath: helper functions for class path handling.

1 files changed, 195 insertions, 0 deletions

diff --git a/jvmaccess/source/classpath.cxx b/jvmaccess/source/classpath.cxx
new file mode 100644
index 000000000..255c0fec6
--- /dev/null
+++ b/jvmaccess/source/classpath.cxx
@@ -0,0 +1,195 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: classpath.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: obo $ $Date: 2007-03-12 10:42:47 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#include "sal/config.h"
+
+#include "jvmaccess/classpath.hxx"
+
+#include <vector>
+
+#include "com/sun/star/lang/IllegalArgumentException.hpp"
+#include "com/sun/star/uno/Any.hxx"
+#include "com/sun/star/uno/Reference.hxx"
+#include "com/sun/star/uno/RuntimeException.hpp"
+#include "com/sun/star/uno/XComponentContext.hpp"
+#include "com/sun/star/uno/XInterface.hpp"
+#include "com/sun/star/uri/ExternalUriReferenceTranslator.hpp"
+#include "com/sun/star/uri/UriReferenceFactory.hpp"
+#include "com/sun/star/uri/XVndSunStarExpandUrlReference.hpp"
+#include "com/sun/star/util/XMacroExpander.hpp"
+#include "osl/diagnose.h"
+#include "rtl/ustring.hxx"
+#include "sal/types.h"
+
+#if defined SOLAR_JAVA
+#include "jni.h"
+#endif
+
+namespace {
+
+namespace css = ::com::sun::star;
+
+}
+
+void * ::jvmaccess::ClassPath::doTranslateToUrls(
+    css::uno::Reference< css::uno::XComponentContext > const & context,
+    ::JNIEnv * environment, ::rtl::OUString const & classPath)
+{
+    OSL_ASSERT(context.is() && environment != 0);
+#if defined SOLAR_JAVA
+    jclass classUrl(environment->FindClass("java/net/URL"));
+    if (classUrl == 0) {
+        return 0;
+    }
+    jmethodID ctorUrl(
+        environment->GetMethodID(
+            classUrl, "<init>", "(Ljava/lang/String;)V"));
+    if (ctorUrl == 0) {
+        return 0;
+    }
+    ::std::vector< jobject > urls;
+    for (::sal_Int32 i = 0; i != -1;) {
+        ::rtl::OUString url(classPath.getToken(0, ' ', i));
+        if (url.getLength() != 0) {
+            css::uno::Reference< css::uri::XVndSunStarExpandUrlReference >
+                expUrl(
+                    css::uri::UriReferenceFactory::create(context)->parse(url),
+                    css::uno::UNO_QUERY);
+            if (expUrl.is()) {
+                css::uno::Reference< css::util::XMacroExpander > expander(
+                    context->getValueByName(
+                        ::rtl::OUString(
+                            RTL_CONSTASCII_USTRINGPARAM(
+                                "/singletons/"
+                                "com.sun.star.util.theMacroExpander"))),
+                    css::uno::UNO_QUERY_THROW);
+                try {
+                    url = expUrl->expand(expander);
+                } catch (css::lang::IllegalArgumentException & e) {
+                    throw css::uno::RuntimeException(
+                        (::rtl::OUString(
+                            RTL_CONSTASCII_USTRINGPARAM(
+                                "com.sun.star.lang.IllegalArgumentException: "))
+                         + e.Message),
+                        css::uno::Reference< css::uno::XInterface >());
+                }
+            }
+            if (url.getLength() != 0) {
+                url = css::uri::ExternalUriReferenceTranslator::create(
+                    context)->translateToExternal(url);
+                if (url.getLength() == 0) {
+                    throw css::uno::RuntimeException(
+                        ::rtl::OUString(
+                            RTL_CONSTASCII_USTRINGPARAM(
+                                "com.sun.star.uri."
+                                "ExternalUriReferenceTranslator."
+                                "translateToExternal failed")),
+                        css::uno::Reference< css::uno::XInterface >());
+                }
+            }
+            jvalue arg;
+            arg.l = environment->NewString(
+                static_cast< jchar const * >(url.getStr()),
+                static_cast< jsize >(url.getLength()));
+            if (arg.l == 0) {
+                return 0;
+            }
+            jobject o(environment->NewObjectA(classUrl, ctorUrl, &arg));
+            if (o == 0) {
+                return 0;
+            }
+            urls.push_back(o);
+        }
+    }
+    jobjectArray result = environment->NewObjectArray(
+        static_cast< jsize >(urls.size()), classUrl, 0);
+        // static_cast is ok, as each element of urls occupied at least one
+        // character of the ::rtl::OUString classPath
+    if (result == 0) {
+        return 0;
+    }
+    jsize idx = 0;
+    for (std::vector< jobject >::iterator i(urls.begin()); i != urls.end(); ++i)
+    {
+        environment->SetObjectArrayElement(result, idx++, *i);
+    }
+    return result;
+#else
+    return 0;
+#endif
+}
+
+void * ::jvmaccess::ClassPath::doLoadClass(
+    css::uno::Reference< css::uno::XComponentContext > const & context,
+    ::JNIEnv * environment, ::rtl::OUString const & classPath,
+    ::rtl::OUString const & name)
+{
+    OSL_ASSERT(context.is() && environment != 0);
+#if defined SOLAR_JAVA
+    jclass classLoader(environment->FindClass("java/net/URLClassLoader"));
+    if (classLoader == 0) {
+        return 0;
+    }
+    jmethodID ctorLoader(
+        environment->GetMethodID(classLoader, "<init>", "([Ljava/net/URL;)V"));
+    if (ctorLoader == 0) {
+        return 0;
+    }
+    jvalue arg;
+    arg.l = translateToUrls(context, environment, classPath);
+    if (arg.l == 0) {
+        return 0;
+    }
+    jobject cl = environment->NewObjectA(classLoader, ctorLoader, &arg);
+    if (cl == 0) {
+        return 0;
+    }
+    jmethodID methLoadClass(
+        environment->GetMethodID(
+            classLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"));
+    if (methLoadClass == 0) {
+        return 0;
+    }
+    arg.l = environment->NewString(
+        static_cast< jchar const * >(name.getStr()),
+        static_cast< jsize >(name.getLength()));
+    if (arg.l == 0) {
+        return 0;
+    }
+    return environment->CallObjectMethodA(cl, methLoadClass, &arg);
+#else
+    return 0;
+#endif
+}