1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/java/sql-dk/src/info/globalcode/sql/dk/configuration/Properties.java Tue Dec 31 17:35:33 2013 +0100
1.3 @@ -0,0 +1,76 @@
1.4 +/**
1.5 + * SQL-DK
1.6 + * Copyright © 2013 František Kučera (frantovo.cz)
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +package info.globalcode.sql.dk.configuration;
1.22 +
1.23 +import java.util.ArrayList;
1.24 +import javax.xml.bind.annotation.XmlTransient;
1.25 +import static info.globalcode.sql.dk.Functions.findByName;
1.26 +
1.27 +/**
1.28 + * <p>List of configurables.</p>
1.29 + *
1.30 + * <p>Can be backed by defaults – if value for given name is nof found in this instance, we will
1.31 + * look
1.32 + * into defaults. Methods also accept defaultValue parameter – is used if property is nof found even
1.33 + * in default properties.</p>
1.34 + *
1.35 + * <p>Typical use: </p>
1.36 + * <ul>
1.37 + * <li>this instance – ad-hoc properties from CLI options</li>
1.38 + * <li>default properties – from config file</li>
1.39 + * <li>defaultValue – hardcoded default</li>
1.40 + * </ul>
1.41 + *
1.42 + * @author Ing. František Kučera (frantovo.cz)
1.43 + */
1.44 +public class Properties extends ArrayList<Property> {
1.45 +
1.46 + private Properties defaults;
1.47 +
1.48 + @XmlTransient
1.49 + public Properties getDefaults() {
1.50 + return defaults;
1.51 + }
1.52 +
1.53 + public void setDefaults(Properties defaults) {
1.54 + this.defaults = defaults;
1.55 + }
1.56 +
1.57 + private Property findProperty(String name) {
1.58 + Property p = findByName(this, name);
1.59 + if (p == null) {
1.60 + p = findByName(defaults, name);
1.61 + }
1.62 + return p;
1.63 + }
1.64 +
1.65 + public String getString(String name, String defaultValue) {
1.66 + Property p = findProperty(name);
1.67 + return p == null ? defaultValue : p.getValue();
1.68 + }
1.69 +
1.70 + public boolean getBoolean(String name, boolean defaultValue) {
1.71 + Property p = findProperty(name);
1.72 + return p == null ? defaultValue : Boolean.valueOf(p.getValue());
1.73 + }
1.74 +
1.75 + public int getInteger(String name, int defaultValue) {
1.76 + Property p = findProperty(name);
1.77 + return p == null ? defaultValue : Integer.valueOf(p.getValue());
1.78 + }
1.79 +}