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[official-gcc.git] / libjava / javax / imageio / metadata / IIONamedNodeMap.java
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1 /* IIONamedNodeMap.java --
2 Copyright (C) 2004 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA.
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
24 combination.
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
38 package javax.imageio.metadata;
40 import java.util.HashMap;
42 import org.w3c.dom.DOMException;
43 import org.w3c.dom.NamedNodeMap;
44 import org.w3c.dom.Node;
46 /**
47 * Simple NamedNodeMap class for IIOMetadataNode.
49 * @author jlquinn
51 class IIONamedNodeMap implements NamedNodeMap
53 HashMap attrs;
55 /**
56 * @param attrs
57 * @param node
59 public IIONamedNodeMap(HashMap attrs)
61 this.attrs = attrs;
64 /* (non-Javadoc)
65 * @see org.w3c.dom.NamedNodeMap#getNamedItem(java.lang.String)
67 public Node getNamedItem(String name)
69 return (Node)attrs.get(name);
72 /* (non-Javadoc)
73 * @see org.w3c.dom.NamedNodeMap#setNamedItem(org.w3c.dom.Node)
75 public Node setNamedItem(Node arg) throws DOMException
77 if (arg instanceof IIOAttr)
79 IIOAttr attr = (IIOAttr) arg;
80 // The only code that can successfully do this is in this package.
81 if (attr.owner != null)
82 throw new DOMException(DOMException.INUSE_ATTRIBUTE_ERR, "");
83 return (Node)attrs.put(attr.name, attr);
85 // Anything else gets treated as an invalid op.
86 throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "");
89 /* (non-Javadoc)
90 * @see org.w3c.dom.NamedNodeMap#removeNamedItem(java.lang.String)
92 public Node removeNamedItem(String name) throws DOMException
94 return (Node)attrs.remove(name);
97 /* (non-Javadoc)
98 * @see org.w3c.dom.NamedNodeMap#item(int)
100 public Node item(int index)
102 return (Node)attrs.values().toArray()[index];
105 /* (non-Javadoc)
106 * @see org.w3c.dom.NamedNodeMap#getLength()
108 public int getLength()
110 return attrs.size();
113 /* (non-Javadoc)
114 * @see org.w3c.dom.NamedNodeMap#getNamedItemNS(java.lang.String, java.lang.String)
116 public Node getNamedItemNS(String namespaceURI, String localName)
118 return getNamedItem(localName);
121 /* (non-Javadoc)
122 * @see org.w3c.dom.NamedNodeMap#setNamedItemNS(org.w3c.dom.Node)
124 public Node setNamedItemNS(Node arg) throws DOMException
126 return setNamedItem(arg);
129 /* (non-Javadoc)
130 * @see org.w3c.dom.NamedNodeMap#removeNamedItemNS(java.lang.String, java.lang.String)
132 public Node removeNamedItemNS(String namespaceURI, String localName)
133 throws DOMException
135 return removeNamedItem(localName);