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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/gnu/CORBA/Interceptor/Registrator.java | |
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Diffstat (limited to 'libjava/classpath/gnu/CORBA/Interceptor/Registrator.java')
-rw-r--r-- | libjava/classpath/gnu/CORBA/Interceptor/Registrator.java | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/CORBA/Interceptor/Registrator.java b/libjava/classpath/gnu/CORBA/Interceptor/Registrator.java new file mode 100644 index 000000000..23ae54a10 --- /dev/null +++ b/libjava/classpath/gnu/CORBA/Interceptor/Registrator.java @@ -0,0 +1,472 @@ +/* Registrator.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 gnu.CORBA.Interceptor; + +import gnu.CORBA.Poa.ORB_1_4; +import gnu.CORBA.ObjectCreator; +import gnu.CORBA.gnuCodecFactory; + +import org.omg.CORBA.BAD_INV_ORDER; +import org.omg.CORBA.CompletionStatus; +import org.omg.CORBA.LocalObject; +import org.omg.CORBA.Object; +import org.omg.IOP.CodecFactory; +import org.omg.PortableInterceptor.ClientRequestInterceptor; +import org.omg.PortableInterceptor.IORInterceptor; +import org.omg.PortableInterceptor.Interceptor; +import org.omg.PortableInterceptor.ORBInitInfo; +import org.omg.PortableInterceptor.ORBInitInfoPackage.DuplicateName; +import org.omg.PortableInterceptor.ORBInitInfoPackage.InvalidName; +import org.omg.PortableInterceptor.ORBInitializer; +import org.omg.PortableInterceptor.ORBInitializerOperations; +import org.omg.PortableInterceptor.PolicyFactory; +import org.omg.PortableInterceptor.ServerRequestInterceptor; + +import java.io.BufferedInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; + +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.Hashtable; +import java.util.Iterator; +import java.util.Map; +import java.util.Properties; +import java.util.TreeMap; + +/** + * Collects interceptors, references and factories into arrays during + * registration. As the class is security sensitive, the most of the fields are + * private. + * + * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) + */ +public class Registrator extends LocalObject implements ORBInitInfo +{ + /** + * Use serialVersionUID for interoperability. + */ + private static final long serialVersionUID = 1; + + /** + * The agreed properties prefix. + */ + public static final String m_prefix = + "org.omg.PortableInterceptor.ORBInitializerClass."; + + /** + * The initialization - time server request interceptors. + */ + private ArrayList m_server = new ArrayList(); + + /** + * The initialization - time client request interceptors. + */ + private ArrayList m_client = new ArrayList(); + + /** + * The initialization - time ior interceptors. + */ + private ArrayList m_ior = new ArrayList(); + + /** + * The policy factories. + */ + public Hashtable m_policyFactories = new Hashtable(); + + /** + * The registered references. To avoid exposing the ORB's references map, the + * are added by ORB from inside the ORB code. The ORB is responsible for + * taking them from this field between pre_init and post_init. + */ + public TreeMap m_references = new TreeMap(); + + /** + * The initializers. + */ + public ArrayList m_initializers = new ArrayList(); + + /** + * The ORB being intialised. + */ + final ORB_1_4 orb; + + /** + * The argument string array, passed to ORB.init. + */ + final String[] m_args; + + /** + * The codec factory. + */ + final gnuCodecFactory m_codecFactory; + + /** + * Create the interceptor collection from the given properties, using the + * agreed naming convention. + * + * @param an_orb the ORB being initialised. + * @param props the cumulated set of properties where the orb initializer + * pattern is searched. + * @param an_args the argument string array, passed to ORB.init. + */ + public Registrator(ORB_1_4 an_orb, Properties props, String[] an_args) + { + orb = an_orb; + m_args = an_args; + m_codecFactory = new gnuCodecFactory(orb); + checkProperties(props); + checkProperties(System.getProperties()); + checkFile("user.home", null); + checkFile("java.home", "lib"); + } + + /** + * Scan the given properties for the possible interceptors. + */ + private void checkProperties(Properties props) + { + if (props == null) + { + return; + } + + Enumeration names = props.propertyNames(); + java.lang.Object key; + String sk; + + while (names.hasMoreElements()) + { + key = names.nextElement(); + if (key != null) + { + sk = key.toString(); + if (sk.startsWith(m_prefix)) + { + try + { + String cn = sk.substring(m_prefix.length()); + Class iClass = ObjectCreator.forName(cn); + + ORBInitializer initializer = + (ORBInitializer) iClass.newInstance(); + m_initializers.add(initializer); + } + catch (Exception exc) + { + // OMG states we should not throw an exception, but + // this will help the user to detect his error + // in initialiser properties. Should never print during + // normal run. + System.err.println(sk + " failed"); + } + } + } + } + } + + /** + * Check if the property is defined in the existsting file orb.properties. + */ + private void checkFile(String dir, String subdir) + { + try + { + File f = new File(dir); + if (!f.exists()) + { + return; + } + + if (subdir != null) + { + f = new File(f, subdir); + } + f = new File(f, "orb.properties"); + + if (!f.exists()) + { + return; + } + + Properties p = new Properties(); + p.load(new BufferedInputStream(new FileInputStream(f))); + + checkProperties(p); + } + catch (IOException ex) + { + } + } + + /** + * Called by ORB as a pre_init for all initializers. + */ + public void pre_init() + { + Iterator iter = m_initializers.iterator(); + while (iter.hasNext()) + { + ORBInitializerOperations initializer = + (ORBInitializerOperations) iter.next(); + initializer.pre_init(this); + } + } + + /** + * Get the map of the registered references. The ORB calls this method to + * import the references into its references map. + */ + public Map getRegisteredReferences() + { + return m_references; + } + + /** + * Called by ORB as a post-init for all initializers. After this call, the + * interceptor sets are fixed and redundant information is discarded. + */ + public void post_init() + { + Iterator iter = m_initializers.iterator(); + while (iter.hasNext()) + { + ORBInitializerOperations initializer = + (ORBInitializerOperations) iter.next(); + initializer.post_init(this); + } + } + + public ServerRequestInterceptor[] getServerRequestInterceptors() + { + ServerRequestInterceptor[] iServer = + new ServerRequestInterceptor[ m_server.size() ]; + for (int i = 0; i < iServer.length; i++) + { + iServer [ i ] = (ServerRequestInterceptor) m_server.get(i); + } + return iServer; + } + + public ClientRequestInterceptor[] getClientRequestInterceptors() + { + ClientRequestInterceptor[] iClient = + new ClientRequestInterceptor[ m_client.size() ]; + for (int i = 0; i < iClient.length; i++) + { + iClient [ i ] = (ClientRequestInterceptor) m_client.get(i); + } + return iClient; + } + + public IORInterceptor[] getIORInterceptors() + { + IORInterceptor[] iIor = new IORInterceptor[ m_ior.size() ]; + for (int i = 0; i < iIor.length; i++) + { + iIor [ i ] = (IORInterceptor) m_ior.get(i); + } + return iIor; + } + + public void add_client_request_interceptor( + ClientRequestInterceptor interceptor + ) throws DuplicateName + { + add(m_client, interceptor); + } + + public void add_ior_interceptor(IORInterceptor interceptor) + throws DuplicateName + { + add(m_ior, interceptor); + } + + public void add_server_request_interceptor( + ServerRequestInterceptor interceptor + ) throws DuplicateName + { + add(m_server, interceptor); + } + + /** + * Allocate a new slot for request - specific records. + */ + public int allocate_slot_id() + { + return orb.icSlotSize++; + } + + /** + * Add the interceptor to the given collection. + * + * @param list the collection to add. + * @param interceptor the interceptor to add. + */ + private void add(ArrayList list, Interceptor interceptor) + throws DuplicateName + { + if (interceptor.name().length() > 0) + { + Iterator iter = list.iterator(); + Interceptor ic; + + while (iter.hasNext()) + { + ic = (Interceptor) iter.next(); + if (ic.name().equals(interceptor.name())) + { + throw new DuplicateName(interceptor.name()); + } + } + } + list.add(interceptor); + } + + /** + * Get string array, passed to ORB.init. + */ + public String[] arguments() + { + return m_args; + } + + /** + * Get the codec factory. + */ + public CodecFactory codec_factory() + { + return m_codecFactory; + } + + /** + * Get the ORB's id, currently using .toString. + */ + public String orb_id() + { + return "orb_" + orb; + } + + /** + * Register reference. + */ + public void register_initial_reference(String object_name, Object object) + throws InvalidName + { + if (object_name == null) + { + throw new InvalidName("null"); + } + else if (object_name.length() == 0) + { + throw new InvalidName("Empty string"); + } + else if (m_references.containsKey(object_name)) + { + throw new InvalidName(object_name); + } + else + { + m_references.put(object_name, object); + } + } + + /** + * Accumulates the policy factory map. + */ + public void register_policy_factory(int policy_type, + PolicyFactory policy_factory + ) + { + Integer it = new Integer(policy_type); + if (m_policyFactories.containsKey(it)) + { + throw new BAD_INV_ORDER( + "Repetetive registration of the policy factory for type " + + policy_type, + 16, + CompletionStatus.COMPLETED_NO + ); + } + m_policyFactories.put(it, policy_factory); + } + + /** + * Delegates to ORB. + */ + public org.omg.CORBA.Object resolve_initial_references(String object_name) + throws InvalidName + { + try + { + return orb.resolve_initial_references(object_name); + } + catch (org.omg.CORBA.ORBPackage.InvalidName e) + { + InvalidName in = new InvalidName(e.getMessage()); + in.initCause(e); + throw in; + } + } + + /** + * Check if any interceptors of this type were registered. + */ + public boolean hasClientRequestInterceptors() + { + return m_client.size() > 0; + } + + /** + * Check if any interceptors of this type were registered. + */ + public boolean hasServerRequestInterceptors() + { + return m_server.size() > 0; + } + + /** + * Check if any interceptors of this type were registered. + */ + public boolean hasIorInterceptors() + { + return m_ior.size() > 0; + } +} |