--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlet/src/digilib/io/DigilibInfoReader.java	Tue Dec 21 09:52:16 2010 +0100
@@ -0,0 +1,76 @@
+package digilib.io;
+
+/** DigilibInfoReader 
+ * A class for reading the information from info.xml files used in digilib image directories.
+ *
+ */
+
+import java.io.File;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+import org.jdom.Document;
+import org.jdom.Element;
+import org.jdom.input.SAXBuilder;
+
+
+
+public class DigilibInfoReader {
+
+	/** gengeral logger for this class */
+	protected static Logger logger = Logger.getLogger("digilib.servlet");
+	
+	private String filename = null;
+	//private static String base_element = "info";
+	
+	public DigilibInfoReader(String fn){
+		filename = fn;
+	}
+
+	/**
+	 * Returns the attribute defined by 'attr' as a String.
+	 * 
+	 * @param attr
+	 * @return
+	 */
+	@SuppressWarnings("unchecked") // Element.getChildren() returns naked List
+    public String getAsString(String attr){
+		try{
+			SAXBuilder builder = new SAXBuilder();
+			Document doc = builder.build(new File(filename));
+			Element root = doc.getRootElement();
+			List<Element> mainElements = root.getChildren();
+			// logger.debug("XML mainElements:"+mainElements.toString());
+
+			for(int i=0; i<mainElements.size(); i++){
+				Element elem = mainElements.get(i);
+				if(elem.getName()==attr){
+					// logger.debug(attr+" == "+(String)elem.getTextTrim());
+					return (String)elem.getTextTrim();
+				}
+			}
+
+		}
+		catch(Exception e){
+			logger.error(e.getMessage());
+		}
+		return null;
+	}
+	
+	
+	/**
+	 * Find out if the info.xml exists
+	 * @return
+	 */
+	public boolean hasInfo(){
+		try {
+			SAXBuilder builder = new SAXBuilder();
+			builder.build(new File(filename));
+			return true;
+		}
+		catch(Exception e){
+			return false;
+		}
+	}
+	
+}