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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/org/omg/PortableInterceptor/ORBInitializer.java | |
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Diffstat (limited to 'libjava/classpath/org/omg/PortableInterceptor/ORBInitializer.java')
-rw-r--r-- | libjava/classpath/org/omg/PortableInterceptor/ORBInitializer.java | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/libjava/classpath/org/omg/PortableInterceptor/ORBInitializer.java b/libjava/classpath/org/omg/PortableInterceptor/ORBInitializer.java new file mode 100644 index 000000000..84ddfd9fe --- /dev/null +++ b/libjava/classpath/org/omg/PortableInterceptor/ORBInitializer.java @@ -0,0 +1,132 @@ +/* ORBInitializer.java -- + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package org.omg.PortableInterceptor; + +import org.omg.CORBA.Object; +import org.omg.CORBA.portable.IDLEntity; + +/** + * <p> + * Registers the interceptor. + * + * Direct interceptor registration would open a security hole. Hence instead the + * interceptors from the ORB.init(..) method, passing the names of the needed + * initialized classes via properties. + * </p> + * <p> + * These property names are of the form + * </p> + * <p><i>org.omg.PortableInterceptor.ORBInitializerClass.<Service></i></p> + * where <i><Service></i> is the string name of a class, which implements + * {@link ORBInitializer}. During <code>ORB.init(..)</code>, the properties + * begining with <i>org.omg.PortableInterceptor.ORBInitializerClass</i> are + * collected, the <i><Service></i> portion of each property is extracted, + * the initialiser is instantiated with the <i><Service></i> string as its + * class name and then <code>pre_init</code> and <code>post_init</code> + * (defined in {@link ORBInitializerOperations}) are called on that initializer. + * The runtime exceptions, thrown by these two methods, are ignored. + * </p> + * <p> + * <h3>Example</h3> + * A client-side logging service may have the following ORBInitializer + * implementation: + * + * <code><pre> + * package gnu.x.logging; + * + * import org.omg.PortableInterceptor.*; + * import org.omg.CORBA.LocalObject; + * + * public class LoggingService extends LocalObject implements ORBInitializer + * { + * public void pre_init (ORBInitInfo info) + * { + * // More than one interceptor can be registered. + * ServerRequestInterceptor log_requests = new rLoggingInterceptor(); + * info.add_server_request_interceptor(log_requests); + * + * IORInterceptor log_iors = new iLoggingInterceptor(); + * info.add_ior_interceptor(log_iors); + * } + * + * public void post_init (ORBInitInfo info) + * { + * // Unused. + * } + * } + * </code></pre> + * <p> + * Then, one of the used set of properties then must contain the property, named + * <i> + * org.omg.PortableInterceptor.ORBInitializerClass.gnu.x.Logging.LoggingService + * </i>. + * The value of the property is ignored and may empty string. The + * agreed locations, where this property will be searched for, are: + * </p><p> + * 1. The properties parameter in the ORB.init(..), if any.<br> + * 2. The System properties.<br> + * 3. The orb.properties file located in the user.home directory (if any).<br> + * 4. The orb.properties file located in the java.home/lib directory (if any). + * </p> + * <p> + * The applet parameters and command line arguments are <i>not</i> scanned + * for the possible initializers. + * </p> + * <p> + * Interceptors are registered on a per-ORB basis. The virtual per-object + * Interceptors can be simulated by checking the policies on the target from + * within the interception points to determine whether they should work. The + * virtual per-POA Interceptors can be obtained instantiating each POA such with + * a different ORB. + * </p> + * <p> + * The registration code should not call directly any methods on the ORB being + * registered. + * </p> + * <p> + * The new interceptors cannot be registered after the ORB.init(..) returns. + * </p> + * + * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) + */ +public interface ORBInitializer extends ORBInitializerOperations, + Object, + IDLEntity +{ +} |