Initial commit

ch.psi.cdump/src/main/java/ch/psi/cdump/CdumpConfiguration.java

@@ -0,0 +1,158 @@
+/**
+ * 
+ * Copyright 2010 Paul Scherrer Institute. All rights reserved.
+ * 
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This code 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.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this code. If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+package ch.psi.cdump;
+
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Properties;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author ebner
+ *
+ */
+public class CdumpConfiguration {
+	
+	private static final CdumpConfiguration instance = new CdumpConfiguration();
+	
+	private String dataChannel;
+	private int nelements = 65536;
+	private String controlChannel;
+	private String samplingRateChannel;
+	private String filePrefix = "${yyyy_MM}/${yyyyMMdd}/${yyyyMMddHHmmss}_${name}/${yyyyMMddHHmm}_";
+	private String dataDirectory;
+
+	/**
+	 * Singleton - Private constructor
+	 */
+	private CdumpConfiguration(){
+		loadConfiguration();
+	}
+	
+	public static CdumpConfiguration getInstance(){
+		return instance;
+	}
+
+	private void loadConfiguration() {
+		String config = System.getProperty(CdumpService.APP_HOME);
+		
+		if(config == null){
+			throw new RuntimeException("No configuration file specified via -D"+CdumpService.APP_HOME+"=...");
+		}
+		
+		Properties properties = new Properties();
+		try {
+			properties.load(new FileReader(config+"/config/cdump.properties"));
+		} catch (FileNotFoundException e) {
+			throw new RuntimeException("Configuration file "+config+" not found", e);
+		} catch (IOException e) {
+			throw new RuntimeException("Cannot read configuration file "+config, e);
+		}
+		
+		dataChannel = properties.getProperty(CdumpConfiguration.class.getPackage().getName()+".dataChannel", "");
+		controlChannel = properties.getProperty(CdumpConfiguration.class.getPackage().getName()+".controlChannel", "");
+		samplingRateChannel = properties.getProperty(CdumpConfiguration.class.getPackage().getName()+".samplingRateChannel", "");
+		dataDirectory = config+"/data";
+		
+	}
+	
+	/**
+	 * @return the dataChannel
+	 */
+	public String getDataChannel() {
+		return dataChannel;
+	}
+	/**
+	 * @param dataChannel the dataChannel to set
+	 */
+	public void setDataChannel(String dataChannel) {
+		this.dataChannel = dataChannel;
+	}
+	/**
+	 * @return the controlChannel
+	 */
+	public String getControlChannel() {
+		return controlChannel;
+	}
+	/**
+	 * @param controlChannel the controlChannel to set
+	 */
+	public void setControlChannel(String controlChannel) {
+		this.controlChannel = controlChannel;
+	}
+	/**
+	 * @return the samplingRateChannel
+	 */
+	public String getSamplingRateChannel() {
+		return samplingRateChannel;
+	}
+	/**
+	 * @param samplingRateChannel the samplingRateChannel to set
+	 */
+	public void setSamplingRateChannel(String samplingRateChannel) {
+		this.samplingRateChannel = samplingRateChannel;
+	}
+
+	/**
+	 * @return the nelements
+	 */
+	public int getNelements() {
+		return nelements;
+	}
+	
+	/**
+	 * @return the filePrefix
+	 */
+	public String getFilePrefix() {
+		return filePrefix;
+	}
+	
+	/**
+	 * @return the dataDirectory
+	 */
+	public String getDataDirectory() {
+		return dataDirectory;
+	}
+
+	public String replaceMacros(String string, Date date, String name){
+		String newString = string;
+		
+		// Replace scan name macros
+		newString = newString.replaceAll("\\$\\{name\\}", name);
+		
+		
+		// Replace date macros
+		Pattern pattern = Pattern.compile("\\$\\{[a-z,A-Z,-,_,:]*\\}");
+        Matcher matcher = pattern.matcher(newString);
+        while(matcher.find()){
+        	String datePattern = matcher.group();
+        	datePattern = datePattern.replaceAll("\\$\\{", "");
+        	datePattern = datePattern.replaceAll("\\}", "");
+        	SimpleDateFormat datef = new SimpleDateFormat(datePattern);
+        	newString = matcher.replaceFirst(datef.format(date));
+        	matcher = pattern.matcher(newString);
+        }
+		return newString;
+	}
+}