windows-registry-util

100% pure Java, simple Windows registry utility.

Maven Integration

Add dependency to your project:

<dependency>
	<groupId>com.github.sarxos</groupId>
	<artifactId>windows-registry-util</artifactId>
	<version>0.3</version>
</dependency>

Features

• createKey(HKey, String)
• deleteKey(HKey, String)
• deleteValue(HKey, String, String)
• readString(HKey, String, String)
• readString(HKey, String, String, String)
• readStringSubKeys(HKey, String)
• readStringSubKeys(HKey, String, String)
• readStringValues(HKey, String)
• readStringValues(HKey, String, String)
• writeStringValue(HKey, String, String, String)

Limits

1. It can read values of REG_SZ and REG_EXPAND_SZ only.
2. It can read only these entries which user has permission to access.

Example

Read Windows distribution name:

WindowsRegistry reg = WindowsRegistry.getInstance();
String tree = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion";
String value = reg.readString(HKey.HKLM, tree, "ProductName");
System.out.println("Windows Distribution = " + value);

List keys under SOFTWARE\Microsoft\Windows NT\CurrentVersion\Network:

WindowsRegistry reg = WindowsRegistry.getInstance();
String branch = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Network";
List<String> keys = reg.readStringSubKeys(HKey.HKLM, branch);
for (String key : keys) {
	System.out.println(key);
}

Credits

Great kudos and appreciation goes to:

• Konstantin Kladko, who wrote WindowsPreferences class,
• Tarun Elankath (lenkite), who described method to hack the above class,
• Yunqi Ouyang (oyyq99999), who managed to hack it to gain access to HKCR, HKU and HKCC.

License

Copyright (C) 2011 - 2014 Bartosz Firyn and contributors

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.