| /* BasicAttribute.java -- |
| Copyright (C) 2000, 2001, 2004 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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 javax.naming.directory; |
| |
| import java.util.NoSuchElementException; |
| import java.util.Vector; |
| |
| import javax.naming.NamingEnumeration; |
| import javax.naming.NamingException; |
| import javax.naming.OperationNotSupportedException; |
| |
| /** |
| * @author Tom Tromey (tromey@redhat.com) |
| * @date June 20, 2001 |
| */ |
| public class BasicAttribute implements Attribute |
| { |
| private static final long serialVersionUID = 6743528196119291326L; |
| |
| /** The ID of this attribute. */ |
| protected String attrID; |
| /** True if this attribute's values are ordered. */ |
| protected boolean ordered; |
| /** Values for this attribute. */ |
| protected transient Vector values; |
| |
| // Used by cloning. |
| private BasicAttribute () |
| { |
| } |
| |
| public BasicAttribute (String id) |
| { |
| this (id, false); |
| } |
| |
| public BasicAttribute (String id, boolean ordered) |
| { |
| attrID = id; |
| this.ordered = ordered; |
| values = new Vector (); |
| } |
| |
| public BasicAttribute (String id, Object value) |
| { |
| this (id, value, false); |
| } |
| |
| public BasicAttribute (String id, Object value, boolean ordered) |
| { |
| attrID = id; |
| this.ordered = ordered; |
| values = new Vector (); |
| values.add (value); |
| } |
| |
| public void add (int index, Object val) |
| { |
| if (! ordered && contains (val)) |
| throw new IllegalStateException ("value already in attribute"); |
| values.add (index, val); |
| } |
| |
| public boolean add (Object val) |
| { |
| if (! ordered && contains (val)) |
| throw new IllegalStateException ("value already in attribute"); |
| return values.add (val); |
| } |
| |
| public void clear () |
| { |
| values.clear (); |
| } |
| |
| public Object clone () |
| { |
| BasicAttribute c = new BasicAttribute (); |
| c.attrID = attrID; |
| c.ordered = ordered; |
| c.values = (Vector) values.clone (); |
| return c; |
| } |
| |
| public boolean contains (Object val) |
| { |
| for (int i = 0; i < values.size (); ++i) |
| { |
| if (equals (val, values.get (i))) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public boolean equals (Object obj) |
| { |
| if (! (obj instanceof BasicAttribute)) |
| return false; |
| BasicAttribute b = (BasicAttribute) obj; |
| |
| if (ordered != b.ordered |
| || ! attrID.equals (b.attrID) |
| || values.size () != b.values.size ()) |
| return false; |
| |
| for (int i = 0; i < values.size (); ++i) |
| { |
| boolean ok = false; |
| if (ordered) |
| ok = equals (values.get (i), b.values.get (i)); |
| else |
| { |
| for (int j = 0; j < b.values.size (); ++j) |
| { |
| if (equals (values.get (i), b.values.get (j))) |
| { |
| ok = true; |
| break; |
| } |
| } |
| } |
| |
| if (! ok) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| public Object get () |
| throws NamingException |
| { |
| if (values.size () == 0) |
| throw new NoSuchElementException ("no values"); |
| return get (0); |
| } |
| |
| public Object get (int index) |
| throws NamingException |
| { |
| return values.get (index); |
| } |
| |
| public NamingEnumeration getAll () |
| throws NamingException |
| { |
| return new BasicAttributeEnumeration (); |
| } |
| |
| public DirContext getAttributeDefinition () |
| throws OperationNotSupportedException, NamingException |
| { |
| throw new OperationNotSupportedException (); |
| } |
| |
| public DirContext getAttributeSyntaxDefinition () |
| throws OperationNotSupportedException, NamingException |
| { |
| throw new OperationNotSupportedException (); |
| } |
| |
| public String getID () |
| { |
| return attrID; |
| } |
| |
| public int hashCode () |
| { |
| int val = attrID.hashCode (); |
| for (int i = 0; i < values.size (); ++i) |
| { |
| Object o = values.get (i); |
| if (o == null) |
| { |
| // Nothing. |
| } |
| else if (o instanceof Object[]) |
| { |
| Object[] a = (Object[]) o; |
| for (int j = 0; j < a.length; ++j) |
| val += a[j].hashCode (); |
| } |
| else |
| val += o.hashCode (); |
| } |
| |
| return val; |
| } |
| |
| public boolean isOrdered () |
| { |
| return ordered; |
| } |
| |
| public Object remove (int index) |
| { |
| return values.remove (index); |
| } |
| |
| public boolean remove (Object val) |
| { |
| for (int i = 0; i < values.size (); ++i) |
| { |
| if (equals (val, values.get (i))) |
| { |
| values.remove (i); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| public Object set (int index, Object val) |
| { |
| if (! ordered && contains (val)) |
| throw new IllegalStateException ("value already in attribute"); |
| return values.set (index, val); |
| } |
| |
| public int size () |
| { |
| return values.size (); |
| } |
| |
| public String toString () |
| { |
| String r = attrID; |
| for (int i = 0; i < values.size (); ++i) |
| r += ";" + values.get (i).toString (); |
| return r; |
| } |
| |
| // This is used for testing equality of two Objects according to our |
| // local rules. |
| private boolean equals (Object one, Object two) |
| { |
| if (one == null) |
| return two == null; |
| |
| if (one instanceof Object[]) |
| { |
| if (! (two instanceof Object[])) |
| return false; |
| |
| Object[] aone = (Object[]) one; |
| Object[] atwo = (Object[]) two; |
| |
| if (aone.length != atwo.length) |
| return false; |
| |
| for (int i = 0; i < aone.length; ++i) |
| { |
| if (! aone[i].equals (atwo[i])) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| return one.equals (two); |
| } |
| |
| // Used when enumerating this attribute. |
| private class BasicAttributeEnumeration implements NamingEnumeration |
| { |
| int where = -1; |
| |
| public BasicAttributeEnumeration () |
| { |
| } |
| |
| public void close () throws NamingException |
| { |
| } |
| |
| public boolean hasMore () throws NamingException |
| { |
| return hasMoreElements (); |
| } |
| |
| public Object next () throws NamingException |
| { |
| return nextElement (); |
| } |
| |
| public boolean hasMoreElements () |
| { |
| return where < values.size (); |
| } |
| |
| public Object nextElement () throws NoSuchElementException |
| { |
| if (where + 1 >= values.size ()) |
| throw new NoSuchElementException ("no more elements"); |
| ++where; |
| return values.get (where); |
| } |
| } |
| } |