/*
* Copyright 2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.wrapper;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Hans Dockter
*/
public class SystemPropertiesHandler {
public static Map<String, String> getSystemProperties(String[] arguments) {
Map<String, String> propertyMap = new HashMap<String, String>();
Pattern pattern = Pattern.compile("-D([^=]*)=?(.*)");
for (String argument : arguments) {
Matcher matcher = pattern.matcher(argument);
if (matcher.find()) {
String key = matcher.group(1);
String value = matcher.group(2);
if (key.length() > 0) {
propertyMap.put(key, value);
}
}
}
return propertyMap;
}
public static Map<String, String> getSystemProperties(File propertiesFile) {
Map<String, String> propertyMap = new HashMap<String, String>();
if (!propertiesFile.isFile()) {
return propertyMap;
}
Properties properties = new Properties();
try {
FileInputStream inStream = new FileInputStream(propertiesFile);
try {
properties.load(inStream);
} finally {
inStream.close();
}
} catch (IOException e) {
throw new RuntimeException("Error when loading properties file=" + propertiesFile, e);
}
Pattern pattern = Pattern.compile("systemProp\\.(.*)");
for (Object argument : properties.keySet()) {
Matcher matcher = pattern.matcher(argument.toString());
if (matcher.find()) {
String key = matcher.group(1);
if (key.length() > 0) {
propertyMap.put(key, properties.get(argument).toString());
}
}
}
return propertyMap;
}
}