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jeremybenn |
/* ListEnumeration.java -- handles corbaname: urls
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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odule. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.javax.naming.giop;
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import gnu.java.lang.CPStringBuilder;
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import javax.naming.NameClassPair;
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import javax.naming.NamingEnumeration;
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import org.omg.CosNaming.Binding;
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import org.omg.CosNaming.BindingIteratorHolder;
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import org.omg.CosNaming.BindingListHolder;
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import org.omg.CosNaming.BindingType;
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import org.omg.CosNaming.NamingContext;
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/**
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* Iterates over name class pairs, obtaining values first from the binding list
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* and then from the binding iterator.
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*
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* @author Audrius Meskauskas
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*/
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public class ListEnumeration extends GiopNamingEnumeration implements
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NamingEnumeration
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{
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/**
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* Create the new enumeration
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*
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* @param bh
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* holder, containing the first portion of the bindings
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* @param bih
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* the iterator, containing the remaining bindings
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* @param batchSize
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* the number of bindings the the iterator will be requested to
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* return as a single pack
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*/
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public ListEnumeration(BindingListHolder bh,
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BindingIteratorHolder bih, int batchSize)
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{
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super(bh, bih, batchSize);
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}
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/**
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* Convert from the CORBA binding into the {@link NameClassPair} that this
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* enumeration should return. This method converts into NameClassPair,
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* connecting the name components with slashes and setting the class name
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* to either NamingContext or GIOP Object.
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*
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* @param binding
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* the binding to convert
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* @return the value, that must be returned by the {@link #next()}.
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*/
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public Object convert(Binding binding)
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{
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CPStringBuilder name = new CPStringBuilder();
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for (int i = 0; i < binding.binding_name.length; i++)
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{
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name.append(binding.binding_name[i]);
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if (i < binding.binding_name.length - 1)
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name.append('/');
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}
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String className;
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switch (binding.binding_type.value())
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{
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case BindingType._ncontext:
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className = NamingContext.class.getName();
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break;
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case BindingType._nobject:
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className = org.omg.CORBA.Object.class.getName();
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break;
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default:
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className = Object.class.getName();
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break;
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}
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NameClassPair pair = new NameClassPair(name.toString(), className);
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return pair;
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}
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}
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