svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.api / src / main / java / org / gvsig / fmap / geom / operation / GeometryOperationContext.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 40435 | jjdelcerro | package org.gvsig.fmap.geom.operation; |
25 | |||
26 | import java.util.HashMap; |
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27 | import java.util.Map; |
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28 | |||
29 | /**
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30 | * This class is a default parameter container for geometry operation.<br>
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31 | *
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32 | * Normally every GeometryOperation will extend this class and identify
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33 | * its parameters publicly with getters/setters
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34 | *
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35 | * For those operations that need high performance, parameters should be declared as class
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36 | * members instead of using the setAttribute/getAttribute mechanism. This way you avoid a hash
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37 | * and a cast operation.
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38 | *
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39 | * @author jyarza
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40 | *
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41 | */
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42 | public class GeometryOperationContext { |
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43 | |||
44 | private Map ctx = new HashMap(); |
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45 | |||
46 | /**
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47 | * Returns an attribute given its name.
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48 | * If it does not exist returns <code>null</code>
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49 | * @param name
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50 | * @return attribute
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51 | */
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52 | public Object getAttribute(String name) { |
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53 | return ctx.get(name.toLowerCase());
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54 | } |
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55 | |||
56 | /**
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57 | * Sets an attribute
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58 | * @param name
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59 | * @param value
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60 | */
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61 | public GeometryOperationContext setAttribute(String name, Object value) { |
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62 | ctx.put(name.toLowerCase(), value); |
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63 | return this; |
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64 | } |
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65 | |||
66 | } |