| /* gnuContext.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; |
| |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.omg.CORBA.Any; |
| import org.omg.CORBA.Bounds; |
| import org.omg.CORBA.CTX_RESTRICT_SCOPE; |
| import org.omg.CORBA.Context; |
| import org.omg.CORBA.NVList; |
| |
| /** |
| * The working implementation of the {@link org.omg.CORBA.Context}. |
| * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) |
| */ |
| public class gnuContext |
| extends Context |
| { |
| /** |
| * The parent context. |
| */ |
| Context parent; |
| |
| /** |
| * The collection to store the context properties. |
| */ |
| Map properties = new Hashtable(); |
| |
| /** |
| * The name of this context. |
| */ |
| String name; |
| |
| /** |
| * Creates the new context with the given name and parent. |
| * |
| * @param a_name a name of the new context. |
| * @param a_parent a parent, used to resolve the missing references. |
| */ |
| public gnuContext(String a_name, Context a_parent) |
| { |
| name = a_name; |
| parent = a_parent; |
| } |
| |
| /** {@inheritDoc} */ |
| public String context_name() |
| { |
| return name; |
| } |
| |
| /** {@inheritDoc} */ |
| public Context create_child(String child) |
| { |
| return new gnuContext(child, this); |
| } |
| |
| /** {@inheritDoc} */ |
| public void delete_values(String property) |
| { |
| boolean starts = false; |
| if (property.endsWith("*")) |
| { |
| starts = true; |
| property = property.substring(0, property.length() - 1); |
| } |
| |
| Set keys = properties.keySet(); |
| |
| Iterator iter = keys.iterator(); |
| while (iter.hasNext()) |
| { |
| String key = (String) iter.next(); |
| if ((starts && key.startsWith(property)) || |
| (!starts && key.equals(property)) |
| ) |
| iter.remove(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public NVList get_values(String start_scope, int flags, String pattern) |
| { |
| if (start_scope != null) |
| { |
| Context c = this; |
| while (c != null && !c.context_name().equals(start_scope)) |
| c = c.parent(); |
| if (c == null) |
| return new gnuNVList(); |
| } |
| |
| try |
| { |
| gnuNVList rt = new gnuNVList(); |
| |
| boolean starts = false; |
| if (pattern.endsWith("*")) |
| { |
| starts = true; |
| pattern = pattern.substring(0, pattern.length() - 1); |
| } |
| |
| Set keys = properties.keySet(); |
| |
| Iterator iter = keys.iterator(); |
| while (iter.hasNext()) |
| { |
| String key = (String) iter.next(); |
| if ((starts && key.startsWith(pattern)) || |
| (!starts && key.equals(pattern)) |
| ) |
| { |
| rt.add_value(key, (Any) properties.get(key), 0); |
| } |
| } |
| |
| if ((flags & CTX_RESTRICT_SCOPE.value) == 0 && parent != null) |
| { |
| NVList par = parent.get_values(start_scope, flags, pattern); |
| for (int i = 0; i < par.count(); i++) |
| { |
| rt.list.add(par.item(i)); |
| } |
| } |
| |
| return rt; |
| } |
| catch (Bounds ex) |
| { |
| throw new Error("Report this bug."); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public Context parent() |
| { |
| return parent; |
| } |
| |
| /** {@inheritDoc} */ |
| public void set_one_value(String name, Any value) |
| { |
| properties.put(name, value); |
| } |
| |
| /** {@inheritDoc} */ |
| public void set_values(NVList values) |
| { |
| try |
| { |
| for (int i = 0; i < values.count(); i++) |
| { |
| properties.put(values.item(i).name(), values.item(i).value()); |
| } |
| } |
| catch (Bounds ex) |
| { |
| throw new Error("Please report this bug."); |
| } |
| } |
| } |