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112 lines
3.6 KiB
Java
112 lines
3.6 KiB
Java
/* java.util.ListResourceBundle
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Copyright (C) 1998, 1999, 2001 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., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 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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module. 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 java.util;
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/**
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* A <code>ListResouceBundle</code> provides an easy way, to create
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* your own resource bundle. It is an abstract class that you can
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* subclass. You should then overwrite the getContents method, that
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* provides a key/value list.
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* <br>
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* The key/value list is a two dimensional list of Object. The first
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* dimension ranges over the resources. The second dimension ranges
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* from zero (key) to one (value). The keys must be of type String.
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* <br>
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* XXX Example!
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*
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* @see Locale
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* @see PropertyResourceBundle
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* @author Jochen Hoenicke */
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public abstract class ListResourceBundle extends ResourceBundle
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{
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/**
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* The constructor. It does nothing special.
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*/
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public ListResourceBundle()
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{
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}
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/**
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* Gets the key/value list. You must override this method.
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* @return a two dimensional list of Objects. The first dimension
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* ranges over the objects, and the second dimension ranges from
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* zero (key) to one (value).
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*/
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protected abstract Object[][] getContents();
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/**
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* Override this method to provide the resource for a keys. This gets
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* called by <code>getObject</code>.
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* @param key The key of the resource.
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* @return The resource for the key or null if it doesn't exists.
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*/
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public final Object handleGetObject(String key)
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{
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Object[][] contents = getContents();
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for (int i = 0; i < contents.length; i++)
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{
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if (key.equals(contents[i][0]))
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return contents[i][1];
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}
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return null;
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}
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/**
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* This method should return all keys for which a resource exists.
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* @return An enumeration of the keys.
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*/
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public Enumeration getKeys()
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{
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final Object[][] contents = getContents();
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return new Enumeration()
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{
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int i = 0;
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public boolean hasMoreElements()
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{
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return i < contents.length;
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}
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public Object nextElement()
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{
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return contents[i++][0];
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}
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};
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}
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}
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