%line	%branch
ca.spaz.cron.datasource.www.NutritionDataFood	0%	0%

1		/*
2		*******************************************************************************
3		* Copyright (c) 2005 Chris Rose and AIMedia
4		* All rights reserved. NutritionDataFood and the accompanying materials
5		* are made available under the terms of the Common Public License v1.0
6		* which accompanies this distribution, and is available at
7		* http://www.eclipse.org/legal/cpl-v10.html
8		*
9		* Contributors:
10		* Chris Rose
11		*******************************************************************************/
12		package ca.spaz.cron.datasource.www;
13
14		import java.io.IOException;
15		import java.util.*;
16		import java.util.regex.*;
17
18		import javax.swing.text.BadLocationException;
19
20		import org.apache.log4j.Logger;
21		import org.xml.sax.SAXException;
22
23		import ca.spaz.cron.database.*;
24		import ca.spaz.cron.datasource.*;
25
26		import com.meterware.httpunit.*;
27
28		/**
29		* A Food implementation for NutritionDataDatasource
30		* @author Chris Rose
31		*/
32		public class NutritionDataFood implements Food {
33		/**
34		* Logger for this class
35		*/
36	0	private static final Logger logger = Logger
37	0	.getLogger(NutritionDataFood.class);
38
39	0	private static final Pattern MEASURE = Pattern.compile("(.+?)\\(([^)]+)g\\)");
40		private NutritionDataDatasource source;
41
42		private String description;
43
44		private List measures;
45
46		public NutritionDataFood(NutritionDataDatasource source, WebResponse response) {
47	0	super();
48	0	this.source = source;
49		try {
50	0	loadWebData(response);
51	0	} catch (IOException e) {
52	0	throw new FoodDatasourceException("Error reading web data for food", e);
53	0	} catch (BadLocationException e) {
54	0	throw new FoodDatasourceException("Error reading web data for food", e);
55	0	} catch (SAXException e) {
56	0	throw new FoodDatasourceException("Error reading web data for food", e);
57	0	}
58	0	}
59
60		/**
61		* @todo Load measures
62		* @todo Load food group
63		* @todo load nutrients
64		* @todo set baseline values.
65		* @todo Parse the table layout of this page in order to get the info we need.
66		* @param response
67		* @throws IOException
68		* @throws BadLocationException
69		* @throws SAXException
70		*/
71		private void loadWebData(WebResponse response) throws IOException, BadLocationException, SAXException {
72	0	WebTable mainTable = getTable(response);
73	0	if (null == mainTable) {
74	0	throw new FoodDatasourceException("Error in food construction, web table structure has changed.");
75		}
76	0	loadName(mainTable);
77	0	loadMeasures(mainTable);
78		// Nutrients start at getTables(4)
79	0	}
80
81		private void loadMeasures(WebTable mainTable) {
82
83	0	measures = new ArrayList();
84
85	0	TableCell topcell = mainTable.getTableCell(0,0);
86	0	WebTable tbl = topcell.getTables()[0];
87	0	TableCell cell = tbl.getTableCell(1,0);
88	0	tbl = cell.getTables()[0];
89	0	cell = tbl.getTableCell(0,1);
90		// At this point, we should have the whole shebang. Groups 2 and 3 of the expression
91	0	String cellText = cell.getText();
92	0	Matcher m = MEASURE.matcher(cellText);
93	0	int idx = 0;
94	0	while (m.find(idx)) {
95	0	Measure meas = new Measure();
96	0	meas.setAmount(1);
97	0	meas.setDescription(m.group(1));
98	0	meas.setGrams(Double.parseDouble(m.group(2)));
99	0	measures.add(meas);
100	0	idx = m.end();
101	0	}
102	0	}
103
104		private void loadName(WebTable mainTable) {
105	0	TableCell cell = mainTable.getTableCell(0,0); // This is the title table cell
106	0	WebTable tbl = cell.getTables()[0]; // This is the table the title is in
107	0	TableCell tcell = tbl.getTableCell(0,0); // This is the title cell;
108	0	setDescription(tcell.getText());
109	0	}
110
111		private WebTable getTable(WebResponse response) {
112		// This is quite fragile. Even a small change to the page layout will BORK this.
113		// This is quite fragile. Even a small change to the page layout will BORK this.
114	0	WebTable tbl = null;
115		try {
116	0	tbl = response.getTables()[0].getTableCell(1,0).getTables()[0].getTableCell(0,0).getTables()[0];
117	0	} catch (SAXException e) {
118	0	logger.error("getTable(WebResponse)", e);
119	0	} catch (NullPointerException e) {
120	0	logger.error("getTable(WebResponse)", e);
121	0	} catch (ArrayIndexOutOfBoundsException e) {
122	0	logger.error("getTable(WebResponse)", e);
123	0	}
124	0	return tbl;
125		}
126
127		/* (non-Javadoc)
128		* @see ca.spaz.cron.database.Food#getFoodGroup()
129		*/
130		public FoodGroup getFoodGroup() {
131	0	return null;
132		}
133
134		/* (non-Javadoc)
135		* @see ca.spaz.cron.database.Food#getSource()
136		*/
137		public String getSource() {
138	0	return null;
139		}
140
141		/* (non-Javadoc)
142		* @see ca.spaz.cron.database.Food#getMeasures()
143		*/
144		public List getMeasures() {
145	0	return Collections.unmodifiableList(measures);
146		}
147
148		/* (non-Javadoc)
149		* @see ca.spaz.cron.database.Food#setMeasures(java.util.List)
150		*/
151		public void setMeasures(List measures) {
152	0	this.measures.clear();
153	0	this.measures.addAll(measures);
154	0	}
155
156		/* (non-Javadoc)
157		* @see ca.spaz.cron.database.Food#getCalories()
158		*/
159		public double getCalories() {
160	0	return 0;
161		}
162
163		/* (non-Javadoc)
164		* @see ca.spaz.cron.database.Food#getMacroNutrients()
165		*/
166		public MacroNutrients getMacroNutrients() {
167	0	return null;
168		}
169
170		/* (non-Javadoc)
171		* @see ca.spaz.cron.database.Food#getDescription()
172		*/
173		public String getDescription() {
174	0	return this.description;
175		}
176
177		/* (non-Javadoc)
178		* @see ca.spaz.cron.database.Food#getMinerals()
179		*/
180		public Minerals getMinerals() {
181	0	return null;
182		}
183
184		/* (non-Javadoc)
185		* @see ca.spaz.cron.database.Food#getVitamins()
186		*/
187		public Vitamins getVitamins() {
188	0	return null;
189		}
190
191		/* (non-Javadoc)
192		* @see ca.spaz.cron.database.Food#getAminoAcids()
193		*/
194		public AminoAcids getAminoAcids() {
195	0	return null;
196		}
197
198		/* (non-Javadoc)
199		* @see ca.spaz.cron.database.Food#getLipids()
200		*/
201		public Lipids getLipids() {
202	0	return null;
203		}
204
205		/* (non-Javadoc)
206		* @see ca.spaz.cron.database.Food#getNutrientAmount(ca.spaz.cron.database.NutrientInfo)
207		*/
208		public double getNutrientAmount(NutrientInfo ni) {
209	0	return 0;
210		}
211
212		/* (non-Javadoc)
213		* @see ca.spaz.cron.database.Food#setNutrientAmount(ca.spaz.cron.database.NutrientInfo, double)
214		*/
215		public void setNutrientAmount(NutrientInfo ni, double val) {
216
217	0	}
218
219		/* (non-Javadoc)
220		* @see ca.spaz.cron.database.Food#setDescription(java.lang.String)
221		*/
222		public void setDescription(String text) {
223	0	this.description = text;
224	0	}
225
226		/* (non-Javadoc)
227		* @see ca.spaz.cron.database.Food#setFoodGroup(ca.spaz.cron.database.FoodGroup)
228		*/
229		public void setFoodGroup(FoodGroup foodGroup) {
230
231	0	}
232
233		/* (non-Javadoc)
234		* @see ca.spaz.cron.database.Food#getNumTimesConsumed()
235		*/
236		public int getNumTimesConsumed() {
237	0	return 0;
238		}
239
240		/* (non-Javadoc)
241		* @see ca.spaz.cron.database.Food#setSource(java.lang.String)
242		*/
243		public void setSource(String string) {
244
245	0	}
246
247		/* (non-Javadoc)
248		* @see ca.spaz.cron.database.Food#getDataSource()
249		*/
250		public IFoodDatasource getDataSource() {
251	0	return source;
252	0	}
253
254		/* (non-Javadoc)
255		* @see java.lang.Object#toString()
256		*/
257		public String toString() {
258	0	return getDescription();
259		}
260
261		/* (non-Javadoc)
262		* @see ca.spaz.cron.database.Food#getSourceUID()
263		*/
264		public String getSourceUID() {
265	0	return null;
266		}
267
268		public void setModified() {
269		// TODO Auto-generated method stub
270
271	0	}
272
273		public void setSourceUID(String uid) {
274		// TODO Auto-generated method stub
275
276	0	}
277	0
278		}

This report is generated by jcoverage, Maven and Maven JCoverage Plugin.