Added class for reading proxy setting from proxy configuration file.

Added class utils for some necessary tools, used in ProxyConfiguration.

1 files changed, 73 insertions, 0 deletions

diff --git a/src/main/java/org/openslx/network/ProxyConfiguration.java b/src/main/java/org/openslx/network/ProxyConfiguration.java
new file mode 100644
index 0000000..5a97b62
--- /dev/null
+++ b/src/main/java/org/openslx/network/ProxyConfiguration.java
@@ -0,0 +1,73 @@
+package org.openslx.network;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.Properties;
+
+import org.apache.log4j.Logger;
+import org.openslx.util.Util;
+
+public class ProxyConfiguration
+{
+	private static Logger log = Logger.getLogger( ProxyConfiguration.class );
+	private static final Properties properties = new Properties();
+	
+	// Getting the proxy settings from config file stored in
+	// "/opt/openslx/proxy/conf".
+	public static String getProxyConf()
+	{
+		return properties.getProperty( "PROXY_CONF" );
+	}
+	
+	public static String getProxyAddress()
+	{
+		return properties.getProperty( "PROXY_ADDR" );
+	}
+	
+	public static String getProxyUsername()
+	{
+		return properties.getProperty( "PROXY_USERNAME" );
+	}
+
+	public static String getProxyPassword()
+	{
+		return properties.getProperty( "PROXY_PASSWORD" );
+	}
+	
+	// Integers //
+	public static int getProxyPort()
+	{
+		return Util.tryToParseInt( properties.getProperty( "PROXY_PORT" ) );
+	}
+
+	/**
+	 * Load properties
+	 */
+	static {
+		InputStreamReader stream = null;
+		try {
+			// Load all entries of the config file into properties
+			stream = new InputStreamReader(
+					new FileInputStream("/opt/openslx/proxy/config"), StandardCharsets.UTF_8);
+			properties.load(stream);
+			stream.close();
+		} catch (IOException e) {
+			log.error("Could not load proxy properties from '/opt/openslx/proxy/conf'. Exiting.");
+			System.exit( 2 );
+		} finally {
+			Util.streamClose( stream );
+		}
+	}
+	
+	/**
+	 * Check proxy settings for being not empty.
+	 * @return
+	 */
+	public static boolean checkProxySettings() {
+		return (
+				(getProxyAddress() != "") &&
+				(getProxyPort() != 0));
+	}
+}