/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright 2008 Pentaho Corporation. All rights reserved.
*/
package org.damour.base.client.localization;
import java.util.HashMap;
import org.damour.base.client.utils.StringTokenizer;
import org.damour.base.client.utils.StringUtils;
public class PropertiesUtil {
public static HashMap<String, String> mergeProperties(final HashMap<String, String> defaultProperties, final HashMap<String, String> overrideProperties) {
HashMap<String, String> mergeProperties = new HashMap<String, String>();
mergeProperties.putAll(defaultProperties);
mergeProperties.putAll(overrideProperties);
return mergeProperties;
}
/**
* This method builds a HashMap out of a given input String (which is typically read from a standard
* java .properties file). The caller may provide a default properties map which will be 'merged' with the
* new properties. When a collision occurs, the new values always win.
*
* @param text
* This is typically the contents of a .properties file in String form
* @param defaultProperties
* A map of default settings which will be overridden if they exist in the provided input
* @return name/value pairs for each name=value in the .properties file
*/
public static HashMap<String, String> buildProperties(String text, HashMap<String, String> defaultProperties) {
// we're going to override existing settings, in this way we can override default values with locale
// specific variants for example, we do not want to modify the user provided list
HashMap<String, String> settings = new HashMap<String, String>();
// add defaults to new list
if (defaultProperties != null) {
settings.putAll(defaultProperties);
}
if (StringUtils.isEmpty(text)) {
return settings;
}
StringTokenizer lineTokenizer = new StringTokenizer(text, '\n');
for (int i = 0; i < lineTokenizer.countTokens(); i++) {
String line = lineTokenizer.tokenAt(i);
if (line.indexOf('=') != -1) {
String key = line.substring(0,line.indexOf('=')).trim();
String value = line.substring(line.indexOf('=')+1).trim();
settings.put(key, value);
}
}
return settings;
}
/**
* This method builds a HashMap out of a given input String (which is typically read from a standard
* java .properties file).
*
* @param text
* This is typically the contents of a .properties file in String form
* @return name/value pairs for each name=value in the .properties file
*/
public static HashMap<String, String> buildProperties(String text) {
return buildProperties(text, null);
}
}