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Viewing changes to modules/xcos/src/java/org/scilab/modules/xcos/utils/StyleMap.java

  • Committer: Bazaar Package Importer
  • Author(s): Sylvestre Ledru
  • Date: 2010-04-16 15:57:24 UTC
  • mfrom: (1.1.9 upstream) (4.4.1 squeeze)
  • Revision ID: james.westby@ubuntu.com-20100416155724-lx1sdku0oidl0ffn
Tags: 5.2.2-1
* New upstream release
* better-feedback-on-lib-error.diff, full_support.diff, renesas-sh.diff,
  s390javadetection.diff, sparc64.diff, test_run_permission.diff,
  z_cpudetection.diff removed (applied upstream)

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modules/xcos/src/java/org/scilab/modules/xcos/utils/StyleMap.java
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/*
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 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
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 * Copyright (C) 2009 - DIGITEO - Clément DAVID
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 *
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 * This file must be used under the terms of the CeCILL.
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 * This source file is licensed as described in the file COPYING, which
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 * you should have received as part of this distribution.  The terms
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 * are also available at
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 * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
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 *
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 */
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package org.scilab.modules.xcos.utils;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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 * Perform useful conversions between a style string and key/value based map.
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 */
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public final class StyleMap extends HashMap<String, String> {
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        private static final Pattern P = Pattern.compile("(\\w+)(=(\\w+))?;?");
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        private static final int KEY_GROUP = 1;
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        private static final int VALUE_GROUP = 3;
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        /**
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         * Create a hashmap from a style string
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         * @param style The string which contains key=value list 
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         */
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        public StyleMap(String style) {
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                super();
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                Matcher m = P.matcher(style);
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                while (m.find()) {
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                        String key = m.group(KEY_GROUP);
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                        String value = m.group(VALUE_GROUP);
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                        put(key, value);
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                }
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        }
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        /**
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         * Export to a key=value; string
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         * @return formatted string
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         */
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        @Override
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        public String toString() {
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                StringBuilder str = new StringBuilder();
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                String valueRef = null;
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                for (Map.Entry<String, String> entry : entrySet()) {
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                        str.append(entry.getKey());
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                        valueRef = entry.getValue();
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                        if (valueRef != null) {
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                                str.append("=");
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                                str.append(valueRef);
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                        }
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                        str.append(";");
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                }
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                return str.toString();
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        }
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}