|
1
10
11 package org.mmbase.bridge.util;
12
13 import java.util.*;
14 import org.mmbase.bridge.*;
15
16
26
27 public class NodeMap extends NodeWrapper implements Map {
28
29
32 public NodeMap(Node node) {
33 super(node);
34 }
35
36 public void clear() {
38 throw new UnsupportedOperationException  ("You cannot remove fields from a Node.");
40 }
41
42 public boolean containsKey(Object key) {
44 return getNodeManager().hasField((String ) key);
45 }
46
47 public boolean containsValue(Object value) {
50 Iterator i = entrySet().iterator();
51 if (value==null) {
52 while (i.hasNext()) {
53 Entry e = (Entry) i.next();
54 if (e.getValue()==null) {
55 return true;
56 }
57 }
58 } else {
59 while (i.hasNext()) {
60 Entry e = (Entry) i.next();
61 if (value.equals(e.getValue())) {
62 return true;
63 }
64 }
65 }
66 return false;
67 }
68
69 public Object remove(Object key) {
71 throw new UnsupportedOperationException ("You cannot remove fields from a Node.");
72 }
73
74 public Set entrySet() {
76 return new AbstractSet() {
77 FieldList fields = getNodeManager().getFields();
78 public Iterator iterator() {
79 return new Iterator() {
80 FieldIterator i = fields.fieldIterator();
81 public boolean hasNext() { return i.hasNext();}
82 public Object next() {
83 return new Map.Entry() {
84 Field field = i.nextField();
85 public Object getKey() {
86 return field.getName();
87 }
88 public Object getValue() {
89 return NodeMap.this.getValue(field.getName());
90 }
91 public Object setValue(Object value) {
92 Object r = getValue();
93 NodeMap.this.setValue(field.getName(), value);
94 return r;
95 }
96 };
97 }
98 public void remove() {
99 throw new UnsupportedOperationException ("You cannot remove fields from a Node.");
100 }
101 };
102 }
103 public int size() {
104 return fields.size();
105 }
106 };
107 }
108
109 public Collection values() {
112 return new AbstractCollection() {
113 FieldList fields = getNodeManager().getFields();
114 public Iterator iterator() {
115 return new Iterator() {
116 FieldIterator i = fields.fieldIterator();
117 public boolean hasNext() { return i.hasNext();}
118 public Object next() {
119 Field field = i.nextField();
120 return NodeMap.this.getValue(field.getName());
121 }
122 public void remove() {
123 throw new UnsupportedOperationException ("You cannot remove fields from a Node.");
124 }
125 };
126 }
127 public int size() {
128 return fields.size();
129 }
130 };
131 }
132
133 public Set keySet() {
135 return new AbstractSet() {
136 FieldList fields = getNodeManager().getFields();
137 public Iterator iterator() {
138 return new Iterator() {
139 FieldIterator i = fields.fieldIterator();
140 public boolean hasNext() { return i.hasNext();}
141 public Object next() {
142 Field field = i.nextField();
143 return field.getName();
144 }
145 public void remove() {
146 throw new UnsupportedOperationException ("You cannot remove fields from a Node.");
147 }
148 };
149 }
150 public int size() {
151 return fields.size();
152 }
153 };
154 }
155
156 public void putAll(Map map) {
158 Iterator i = map.entrySet().iterator();
159 while (i.hasNext()) {
160 Entry e = (Entry) i.next();
161 setValue((String ) e.getKey(), e.getValue());
162 }
163 }
164
165 public Object put(Object key, Object value) {
167 Object r = getValue((String ) key);
168 setValue((String ) key, value);
169 return r;
170 }
171
172 public Object get(Object key) {
174 return getValue((String ) key);
175 }
176
177 public boolean isEmpty() {
179 return false;
180 }
181
182 public int size() {
184 return getNodeManager().getFields().size();
185 }
186 }
187
188
|
Popular Tags
|
Java API By Example, From Geeks To Geeks.