Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 289 insertions, 0 deletions

diff --git a/ridljar/source/unoloader/com/sun/star/lib/unoloader/UnoClassLoader.java b/ridljar/source/unoloader/com/sun/star/lib/unoloader/UnoClassLoader.java
new file mode 100644
index 000000000..822d1609c
--- /dev/null
+++ b/ridljar/source/unoloader/com/sun/star/lib/unoloader/UnoClassLoader.java
@@ -0,0 +1,203 @@
+/*
+ * 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 .
+ */
+
+package com.sun.star.lib.unoloader;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+import java.util.jar.JarInputStream;
+
+/**
+ * The root UNO class loader.
+ *
+ * <p>This class loader is able to load all published URE classes, including the
+ * classes representing the published URE UNO types.  For consistency, it is
+ * important that within each Java UNO environment there is one instance of this
+ * class loader that is the defining class loader of all published URE classes
+ * (and hence of all unpublished URE classes, too) and of all classes
+ * representing UNO types (the published URE UNO types, any unpublished URE UNO
+ * types, and any additional UNO types introduced by components; for the latter,
+ * {@link #addURL} may be necessary).</p>
+ *
+ * <p><em>This is an internal, unstable class of the Uno Runtime Environment; it
+ * should not be used by client code.</em></p>
+ *
+ * @since UDK 3.2.0
+ */
+public final class UnoClassLoader extends URLClassLoader {
+    /**
+     * Instantiates the root UNO class loader.
+     *
+     * @param base a base URL relative to which the URE JARs
+     * (<code>java_uno.jar</code> and <code>libreoffice.jar</code>)
+     * can be found; must not be <code>null</code>.
+     *
+     * @param classPath an array of URLs that form the class path of this class
+     * loader; may be <code>null</code>, which is the same as an empty array.
+     * The URLs are interpreted in the same way as the arguments of a {@link
+     * URLClassLoader}.
+     *
+     * @param parent the parent class loader for delegation.
+     *
+     * @throws MalformedURLException if the given <code>base</code> URL is
+     * malformed.
+     */
+    public UnoClassLoader(URL base, URL[] classPath, ClassLoader parent)
+        throws MalformedURLException
+    {
+        super(createUrls(base, classPath), parent);
+    }
+
+    /**
+     * Obtains a class loader for a UNO JAR.
+     *
+     * @param jar the URL of a UNO JAR; must not be <code>null</code>.
+     *
+     * @param mainAttributes represents the main section of the manifest of the
+     * given JAR <code>jar</code>; <code>null</code> if the given JAR does not
+     * have a manifest.  (This redundant parameter is there for performance
+     * reasons, as typically the caller of this method already has this
+     * information available.)
+     *
+     * @return an appropriate class loader; will never be <code>null</code>.
+     *
+     * @throws MalformedURLException if the given <code>jar</code> URL or any of
+     * the UNO-Type-Path URLs specified in the given JAR are malformed.
+     */
+    public ClassLoader getClassLoader(URL jar, Attributes mainAttributes)
+        throws MalformedURLException
+    {
+        String path = mainAttributes == null ?
+            null : mainAttributes.getValue("UNO-Type-Path");
+        if (path == null) {
+            path = "<>";
+        }
+        for (int i = 0; i < path.length();) {
+            while (i < path.length() && path.charAt(i) == ' ') {
+                ++i;
+            }
+            if (i < path.length()) {
+                String url;
+                if (path.charAt(i) == '<') {
+                    int j = path.indexOf('>', i + 1);
+                    if (j < 0) {
+                        url = path.substring(i + 1);
+                        i = path.length();
+                    } else {
+                        url = path.substring(i + 1, j);
+                        i = j + 1;
+                    }
+                } else {
+                    int j = path.indexOf(' ', i + 1);
+                    if (j < 0) {
+                        j = path.length();
+                    }
+                    url = path.substring(i, j);
+                    i = j;
+                }
+                addURL(new URL(jar, url));
+            }
+        }
+        return URLClassLoader.newInstance(new URL[] { jar }, this);
+    }
+
+    /**
+     * Executes a UNO JAR.
+     *
+     * @param jar the URL of a UNO JAR that specifies a Main-Class; must not be
+     * <code>null</code>.
+     *
+     * @param arguments any arguments passed to the <code>main</code> method of
+     * the specified Main-Class of the given JAR <code>jar</code>; must not be
+     * <code>null</code>.
+     *
+     * @throws IOException if there are any problems processing the given JAR
+     * <code>jar</code>.
+     *
+     * @throws ClassNotFoundException if the given JAR <code>jar</code> does not
+     * specify a Main-Class, or if the specified Main-Class cannot be found.
+     *
+     * @throws NoSuchMethodException if the specified Main-Class of the given
+     * JAR <code>jar</code> does not have an appropriate <code>main</code>
+     * method.
+     *
+     * @throws InvocationTargetException if an exception occurs while executing
+     * the <code>main</code> method of the specified Main-Class of the given JAR
+     * <code>jar</code>.
+     */
+    public void execute(URL jar, String[] arguments)
+        throws IOException, ClassNotFoundException, NoSuchMethodException,
+        InvocationTargetException
+    {
+        Attributes attr = getJarMainAttributes(jar);
+        String name = attr == null
+            ? null : attr.getValue(Attributes.Name.MAIN_CLASS);
+        if (name == null) {
+            throw new ClassNotFoundException(
+                jar + " does not specify a main class");
+        }
+        try {
+            getClassLoader(jar, attr).loadClass(name.replace('/', '.')).
+                getMethod("main", new Class[] { String[].class }).
+                invoke(null, new Object[] { arguments });
+        } catch (IllegalAccessException e) {
+            throw new RuntimeException("impossible " + e);
+        }
+    }
+
+    /**
+     * Obtains the main section of the manifest of a JAR.
+     *
+     * @param jar the URL of a JAR; must not be <code>null</code>.
+     *
+     * @return the representation of the main section of the manifest of the
+     * given JAR <code>jar</code>, or <code>null</code> if the given JAR does
+     * not have a manifest.
+     *
+     * @throws IOException if there are any problems processing the given JAR
+     * <code>jar</code>.
+     */
+    public static Attributes getJarMainAttributes(URL jar) throws IOException {
+        JarInputStream s = new JarInputStream(jar.openStream());
+        Manifest mf;
+        try {
+            mf = s.getManifest();
+        } finally {
+            s.close();
+        }
+        return mf == null ? null : mf.getMainAttributes();
+    }
+
+    private static URL[] createUrls(URL base, URL[] classPath)
+        throws MalformedURLException
+    {
+        final int JARS = 2;
+        URL[] urls = new URL[JARS + (classPath == null ? 0 : classPath.length)];
+        urls[0] = new URL(base, "java_uno.jar"); //TODO get rid of it here
+        urls[1] = new URL(base, "libreoffice.jar");
+        if (classPath != null) {
+            System.arraycopy(classPath, 0, urls, JARS, classPath.length);
+        }
+        return urls;
+    }
+}
diff --git a/ridljar/source/unoloader/com/sun/star/lib/unoloader/UnoLoader.java b/ridljar/source/unoloader/com/sun/star/lib/unoloader/UnoLoader.java
new file mode 100644
index 000000000..23059b7b4
--- /dev/null
+++ b/ridljar/source/unoloader/com/sun/star/lib/unoloader/UnoLoader.java
@@ -0,0 +1,85 @@
+/*
+ * 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 .
+ */
+
+package com.sun.star.lib.unoloader;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+
+/**
+ * A helper class for executing UNO JARs.
+ *
+ * <p><em>This class is not yet stable.</em></p>
+ *
+ * @since UDK 3.2.0
+ */
+public final class UnoLoader {
+    /**
+     * Executes a UNO JAR.
+     *
+     * @param base a base URL relative to which the URE JARs
+     * (<code>libreoffice.jar</code>, etc.) can be found; must
+     * not be <code>null</code>.
+     *
+     * @param jar the URL of a UNO JAR that specifies a Main-Class; must not be
+     * <code>null</code>.
+     *
+     * @param arguments any arguments passed to the <code>main</code> method of
+     * the specified Main-Class of the given JAR <code>jar</code>; must not be
+     * <code>null</code>.
+     *
+     * @throws IOException if the given <code>base</code> URL is malformed, or
+     * if there are any problems processing the given JAR <code>jar</code>.
+     *
+     * @throws ClassNotFoundException if the given JAR <code>jar</code> does not
+     * specify a Main-Class, or if the specified Main-Class cannot be found.
+     *
+     * @throws NoSuchMethodException if the specified Main-Class of the given
+     * JAR <code>jar</code> does not have an appropriate <code>main</code>
+     * method.
+     *
+     * @throws InvocationTargetException if an exception occurs while executing
+     * the <code>main</code> method of the specified Main-Class of the given JAR
+     * <code>jar</code>.
+     */
+    public static void execute(final URL base, URL jar, String[] arguments)
+        throws IOException, ClassNotFoundException, NoSuchMethodException,
+        InvocationTargetException
+    {
+        UnoClassLoader cl;
+        try {
+            cl = (UnoClassLoader) AccessController.doPrivileged(
+                new PrivilegedExceptionAction<Object>() {
+                    public Object run() throws MalformedURLException {
+                        return new UnoClassLoader(
+                            base, null, UnoLoader.class.getClassLoader());
+                    }
+                });
+        } catch (PrivilegedActionException e) {
+            throw (MalformedURLException) e.getException();
+        }
+        cl.execute(jar, arguments);
+    }
+
+    private UnoLoader() {}
+}
diff --git a/ridljar/source/unoloader/com/sun/star/lib/unoloader/manifest b/ridljar/source/unoloader/com/sun/star/lib/unoloader/manifest
new file mode 100644
index 000000000..7ad02e156
--- /dev/null
+++ b/ridljar/source/unoloader/com/sun/star/lib/unoloader/manifest
@@ -0,0 +1 @@
+Sealed: true