mirror of https://github.com/octoleo/plantuml.git
75 lines
2.5 KiB
Java
75 lines
2.5 KiB
Java
/*
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* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details
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* (http://www.gnu.org/copyleft/lesser.html).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package jcckit.data;
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import java.util.StringTokenizer;
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import jcckit.util.ConfigParameters;
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/**
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* A plot is a {@link DataContainer} of {@link DataCurve DataCurves}.
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*
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* @author Franz-Josef Elmer
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*/
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public class DataPlot extends DataContainer {
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/** Config parameter key. */
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public static final String CURVES_KEY = "curves",
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DATA_KEY = "data";
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/** Creates an empty instance. */
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public DataPlot() {}
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/**
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* Creates an instance from the specified config parameters.
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* <table border=1 cellpadding=5>
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* <tr><th>Key & Default Value</th><th>Type</th><th>Mandatory</th>
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* <th>Description</th></tr>
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* <tr><td><tt>curves</tt></td><td><tt>String[]</tt></td><td>yes</td>
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* <td>List of keys denoting data curves. Each key refers to
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* config parameters used in the
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* <a href="DataCurve.html#DataCurve(jcckit.util.ConfigParameters)">
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* constructor</a> of {@link DataCurve}.</td></tr>
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* </table>
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*/
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public DataPlot(ConfigParameters config) {
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StringTokenizer tokenizer = new StringTokenizer(config.get(CURVES_KEY));
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while (tokenizer.hasMoreTokens()) {
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addElement(new DataCurve(config.getNode(tokenizer.nextToken())));
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}
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}
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/**
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* Convenient method to create a <tt>DataPlot</tt> based on the specified
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* config parameters. It is a short-cut of
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* <tt>new DataPlot(config.getNode("data"))</tt>.
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*/
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public static DataPlot create(ConfigParameters config) {
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return new DataPlot(config.getNode(DATA_KEY));
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}
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/**
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* Returns <tt>true</tt> if <tt>element</tt> is an instance of
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* {@link DataCurve}.
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*/
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protected boolean isValid(DataElement element) {
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return element instanceof DataCurve;
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}
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}
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