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16 package org.outerj.daisy.repository.commonimpl.schema;
17
18 import org.outerj.daisy.repository.schema.QuerySelectionList;
19 import org.outerj.daisy.repository.schema.ListItem;
20 import org.outerj.daisy.repository.query.QueryManager;
21 import org.outerj.daisy.repository.query.SortOrder;
22 import org.outerj.daisy.repository.RepositoryException;
23 import org.outerj.daisy.repository.VariantKey;
24 import org.outerj.daisy.repository.ValueType;
25 import org.outerj.daisy.repository.RepositoryRuntimeException;
26 import org.outerx.daisy.x10.*;
27
28 import java.util.Locale  ;
29
30 public class QuerySelectionListImpl implements QuerySelectionList {
31 private String query;
32 private boolean filterVariants;
33 private SortOrder sortOrder;
34 private QueryManager queryManager;
35 private FieldTypeImpl owner;
36
37 public QuerySelectionListImpl(String query, boolean filterVariants, SortOrder sortOrder, QueryManager queryManager, FieldTypeImpl owner) {
38 checkQueryParam(query);
39 this.query = query;
40 this.filterVariants = filterVariants;
41 this.sortOrder = sortOrder;
42 if (this.sortOrder == null)
43 this.sortOrder = SortOrder.ASCENDING;
44 this.queryManager = queryManager;
45 this.owner = owner;
46 }
47
48 public String getQuery() {
49 return query;
50 }
51
52 public SortOrder getSortOrder() {
53 return sortOrder;
54 }
55
56 public void setQuery(String query) {
57 if (owner.isReadOnly())
58 throw new RuntimeException (FieldTypeImpl.READ_ONLY_MESSAGE);
59
60 checkQueryParam(query);
61 this.query = query;
62 }
63
64 public void setSortOrder(SortOrder sortOrder) {
65 if (owner.isReadOnly())
66 throw new RuntimeException (FieldTypeImpl.READ_ONLY_MESSAGE);
67
68 if (sortOrder == null)
69 throw new IllegalArgumentException ("sortOrder arg cannot be null");
70 this.sortOrder = sortOrder;
71 }
72
73 public boolean getFilterVariants() {
74 return filterVariants;
75 }
76
77 public void setFilterVariants(boolean filterVariants) {
78 if (owner.isReadOnly())
79 throw new RuntimeException (FieldTypeImpl.READ_ONLY_MESSAGE);
80 this.filterVariants = filterVariants;
81 }
82
83 private void checkQueryParam(String query) {
84 if (query == null || query.trim().length() == 0)
85 throw new IllegalArgumentException ("query argument cannot be null, empty or whitespace");
86 }
87
88 public QuerySelectionListDocument getXml() {
89 QuerySelectionListDocument listDocument = QuerySelectionListDocument.Factory.newInstance();
90 QuerySelectionListDocument.QuerySelectionList listXml = listDocument.addNewQuerySelectionList();
91 listXml.setQuery(query);
92 listXml.setFilterVariants(filterVariants);
93 listXml.setSortOrder(sortOrder.toString());
94 return listDocument;
95 }
96
97 public ListItem[] getItems() {
98 if (filterVariants)
99 throw new RepositoryRuntimeException("This selection list needs to filter on variants, so use getItems(branchId, languageId) instead.");
100 return getItems(-1, -1, Locale.US);
101 }
102
103 public ListItem[] getItems(long branchId, long languageId, Locale locale) {
104 DistinctSearchResultDocument searchResultDocument;
105 try {
106 if (filterVariants) {
107 searchResultDocument = queryManager.performDistinctQuery(query, "branchId = " + branchId + " and languageId = " + languageId, sortOrder, locale);
108 } else {
109 searchResultDocument = queryManager.performDistinctQuery(query, sortOrder, locale);
110 }
111 } catch (RepositoryException e) {
112 throw new RuntimeException ("Error executing query selection list query: " + query, e);
113 }
114 String resultValueTypeString = searchResultDocument.getDistinctSearchResult().getValues().getValueType();
115 ValueType resultValueType = ValueType.fromString(resultValueTypeString);
116
117 if (resultValueType != owner.getValueType())
118 throw new RuntimeException ("Values returned from selection list query are of a different type (" + resultValueType.toString() + ") then the field type (" + owner.getValueType().toString() + ").");
119
120 DistinctSearchResultDocument.DistinctSearchResult.Values.Value valuesXml[] = searchResultDocument.getDistinctSearchResult().getValues().getValueArray();
121 QueryListItem[] items = new QueryListItem[valuesXml.length];
122 XmlValueGetter valueGetter = getXmlValueGetter(resultValueType);
123 for (int i = 0; i < valuesXml.length; i++) {
124 DistinctSearchResultDocument.DistinctSearchResult.Values.Value valueXml = valuesXml[i];
125 items[i] = new QueryListItem(valueGetter.getValue(valueXml), valueXml.getLabel());
126 }
127 return items;
128 }
129
130 public String getLabel(Object value, Locale locale) {
131 throw new RuntimeException ("getLabel method not supported on this selection list implementation.");
136 }
137
138 public void addToFieldTypeXml(SelectionListDocument.SelectionList selectionListXml) {
139 selectionListXml.setQuerySelectionList(getXml().getQuerySelectionList());
140 }
141
142 private XmlValueGetter getXmlValueGetter(ValueType valueType) {
143 if (valueType == ValueType.STRING)
144 return STRING_VALUE_GETTER;
145 else if (valueType == ValueType.BOOLEAN)
146 return BOOLEAN_VALUE_GETTER;
147 else if (valueType == ValueType.LONG)
148 return LONG_VALUE_GETTER;
149 else if (valueType == ValueType.DECIMAL)
150 return DECIMAL_VALUE_GETTER;
151 else if (valueType == ValueType.DOUBLE)
152 return DOUBLE_VALUE_GETTER;
153 else if (valueType == ValueType.DATE)
154 return DATE_VALUE_GETTER;
155 else if (valueType == ValueType.DATETIME)
156 return DATETIME_VALUE_GETTER;
157 else if (valueType == ValueType.LINK)
158 return LINK_VALUE_GETTER;
159 else
160 throw new RuntimeException ("Unsupported value type in query selection list: " + valueType.toString());
161 }
162
163 private static interface XmlValueGetter {
164 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value);
165 }
166
167 private static XmlValueGetter STRING_VALUE_GETTER = new XmlValueGetter() {
168 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
169 return value.getString();
170 }
171 };
172
173 private static XmlValueGetter BOOLEAN_VALUE_GETTER = new XmlValueGetter() {
174 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
175 return new Long (value.getLong());
176 }
177 };
178
179 private static XmlValueGetter LONG_VALUE_GETTER = new XmlValueGetter() {
180 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
181 return new Long (value.getLong());
182 }
183 };
184
185 private static XmlValueGetter DECIMAL_VALUE_GETTER = new XmlValueGetter() {
186 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
187 return value.getDecimal();
188 }
189 };
190
191 private static XmlValueGetter DOUBLE_VALUE_GETTER = new XmlValueGetter() {
192 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
193 return new Double (value.getDouble());
194 }
195 };
196
197 private static XmlValueGetter DATE_VALUE_GETTER = new XmlValueGetter() {
198 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
199 return value.getDate().getTime();
200 }
201 };
202
203 private static XmlValueGetter DATETIME_VALUE_GETTER = new XmlValueGetter() {
204 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
205 return value.getDateTime().getTime();
206 }
207 };
208
209 private static XmlValueGetter LINK_VALUE_GETTER = new XmlValueGetter() {
210 public Object getValue(DistinctSearchResultDocument.DistinctSearchResult.Values.Value value) {
211 DistinctSearchResultDocument.DistinctSearchResult.Values.Value.Link link = value.getLink();
212 return new VariantKey(link.getDocumentId(), link.getBranchId(), link.getLanguageId());
213 }
214 };
215 }
216 |
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