1 | /*
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2 | * Copyright 2001,2004 The Apache Software Foundation.
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | */
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16 |
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17 | import org.apache.axis.utils.XMLUtils;
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18 | import org.w3c.dom.Document;
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19 | import org.w3c.dom.Element;
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20 | import org.w3c.dom.NodeList;
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21 |
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22 | /**
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23 | * See \samples\stock\readme for info.
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24 | *
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25 | * @author Sanjiva Weerawarana ([email protected])
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26 | * @author Doug Davis ([email protected])
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27 | */
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28 | public class StockQuoteService {
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29 | public float getQuote (String symbol) throws Exception {
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30 | // get a real (delayed by 20min) stockquote from
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31 | // http://www.xmltoday.com/examples/stockquote/. The IP addr
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32 | // below came from the host that the above form posts to ..
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33 |
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34 | if ( symbol.equals("XXX") ) return( (float) 66.25 );
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35 |
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36 |
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37 | Document doc = null ;
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38 |
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39 | doc = XMLUtils.newDocument( "http://www.xmltoday.com/examples/" +
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40 | "stockquote/getxmlquote.vep?s="+symbol );
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41 |
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42 | Element elem = doc.getDocumentElement();
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43 | NodeList list = elem.getElementsByTagName("stock_quote");
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44 |
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45 | elem = (Element) list.item(0);
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46 | list = elem.getElementsByTagName( "price" );
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47 | elem = (Element) list.item( 0 );
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48 | String quoteStr = elem.getAttribute("value");
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49 | try {
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50 | return Float.valueOf(quoteStr).floatValue();
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51 | } catch (NumberFormatException e1) {
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52 | // maybe its an int?
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53 | try {
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54 | return Integer.valueOf(quoteStr).intValue() * 1.0F;
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55 | } catch (NumberFormatException e2) {
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56 | return -1.0F;
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57 | }
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58 | }
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59 | }
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60 | }
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