1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.agfa.hap.sdo;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
/**
* Helper class for {@link SelectClause} that represents
* a comma-separated list of properties in a structured form.
* @author AMOCZ
*
*/
public abstract class PropertyTree {
public abstract String asCommmaSeparatedString();
public abstract PropertyTree getProperty(String property);
public abstract PropertyTree getProperty(Property property);
public abstract boolean containsProperty(Property property);
public abstract boolean containsProperty(String property);
public static PropertyTree newPropertyTree(Type type, String selectClause) {
PropertyTree result = new MapBasedPropertyTree(type);
String[] parts = selectClause.split(",");
for (String part : parts) {
if (part.length() > 0) {
result = result.extend(part);
}
}
return result;
}
protected PropertyTree extend(String property) {
property = property.trim();
int index = property.indexOf('.');
if (index < 0) {
if (property.length() == 1 && property.charAt(0) == '*') {
return STAR_PROPERTYTREE;
}
if (property.length() == 2 && property.charAt(0) == '*' && property.charAt(1) == '*') {
return STARSTAR_PROPERTYTREE;
}
addSimpleProperty(property);
} else {
addComposedProperty(property.substring(0, index), property.substring(index+1));
}
return this;
}
protected void addSimpleProperty(String propertyName) {
// ok
}
protected void addComposedProperty(String ownerName, String childName) {
// ok
}
final static PropertyTree EMPTY_PROPERTYTREE = new PropertyTree() {
public PropertyTree getProperty(String property) {
return null;
}
public PropertyTree getProperty(Property property) {
return null;
}
public boolean containsProperty(Property property) {
return false;
}
public boolean containsProperty(String property) {
return false;
}
@Override
public String asCommmaSeparatedString() {
return "";
}
};
final static PropertyTree STAR_PROPERTYTREE = new PropertyTree() {
public PropertyTree getProperty(String property) {
return EMPTY_PROPERTYTREE;
}
public PropertyTree getProperty(Property property) {
return EMPTY_PROPERTYTREE;
}
public boolean containsProperty(Property property) {
return true;
}
public boolean containsProperty(String property) {
return true;
}
@Override
public String asCommmaSeparatedString() {
throw new UnsupportedOperationException();
}
};
final static PropertyTree STARSTAR_PROPERTYTREE = new PropertyTree() {
public PropertyTree getProperty(String property) {
return this;
}
public PropertyTree getProperty(Property property) {
return this;
}
public boolean containsProperty(Property property) {
return true;
}
public boolean containsProperty(String property) {
return true;
}
@Override
public String asCommmaSeparatedString() {
throw new UnsupportedOperationException();
}
};
static class MapBasedPropertyTree extends PropertyTree {
private Map<Property, PropertyTree> properties;
private Type type;
public MapBasedPropertyTree(Type type) {
this.type = type;
properties = new HashMap<Property, PropertyTree>();
}
public Type getType() {
return type;
}
public Set<Entry<Property, PropertyTree>> getProperties() {
return properties.entrySet();
}
public PropertyTree getProperty(String property) {
return properties.get(type.getProperty(property));
}
public PropertyTree getProperty(Property property) {
return properties.get(property);
}
public boolean containsProperty(Property property) {
return properties.containsKey(property);
}
public boolean containsProperty(String property) {
return properties.containsKey(type.getProperty(property));
}
@Override
protected void addSimpleProperty(String property) {
Property prop = type.getProperty(property);
if (prop == null) {
throw new IllegalArgumentException("Unknown property " + property + " in type " + type.getName());
}
if (!prop.getType().isDataType() && !properties.containsKey(prop)) {
properties.put(prop, new MapBasedPropertyTree(prop.getType()));
}
}
@Override
protected void addComposedProperty(String owner, String child) {
Property prop = type.getProperty(owner);
if (prop == null) {
throw new IllegalArgumentException("Unknown property " + owner + " in type " + type.getName());
}
if (!prop.getType().isDataType()) {
PropertyTree children = properties.get(prop);
if (children == null) {
children = newPropertyTree(prop.getType(), child);
properties.put(prop, children);
} else {
children.extend(child);
}
}
}
public Collection<String> propertyPaths() {
Collection<String> paths = new ArrayList<String>();
for (Entry<Property, PropertyTree> entry : this.getProperties()){
String rootPropName = entry.getKey().getName();
MapBasedPropertyTree tree = (MapBasedPropertyTree) entry.getValue();
Collection<String> childPaths = tree.propertyPaths();
if (childPaths.isEmpty()){
paths.add(rootPropName);
} else {
for (String childPath : childPaths){
paths.add(rootPropName + "." + childPath);
}
}
}
return paths;
}
public String asCommmaSeparatedString(){
StringBuilder builder = new StringBuilder();
for(String path : this.propertyPaths()){
builder.append(path);
builder.append(',');
}
builder.setLength(builder.length()-1); //remove last ,
return builder.toString();
}
}
}
|
