--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pdf/src/main/java/digilib/servlet/PDFRequest.java	Tue Apr 26 20:24:31 2011 +0200
@@ -0,0 +1,150 @@
+package digilib.servlet;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.log4j.Logger;
+
+import digilib.image.ImageJobDescription;
+import digilib.io.DocuDirectory;
+import digilib.io.FileOpException;
+import digilib.io.FileOps.FileClass;
+import digilib.util.NumRange;
+import digilib.util.OptionsSet;
+import digilib.util.ParameterMap;
+
+
+/** 
+ * A container class for storing a set of instruction parameters 
+ * used for content generator classes like MakePDF.  
+ * 
+ * 
+ * @author cmielack, casties
+ *
+ */
+public class PDFRequest extends ParameterMap {
+
+	DigilibConfiguration dlConfig = null;
+	NumRange pages = null;
+	/** general logger for this class */
+	protected static Logger logger = Logger.getLogger("digilib.servlet");
+
+	
+	/**
+	 * Initialize the PDFJobInformation
+	 * 
+	 * @param dlcfg			
+	 * 						The DigilibConfiguration. 
+	 */
+	public PDFRequest(DigilibConfiguration dlcfg) {
+		super(30);
+		dlConfig = dlcfg;
+	}
+
+	/**
+	 * Initialize the PDFJobInformation with a request.
+	 * 
+	 * @param dlcfg		The DigilibConfiguration. 		
+	 * @param request
+	 * @throws FileOpException 
+	 */
+	public PDFRequest(HttpServletRequest request, DigilibConfiguration dlcfg) throws FileOpException {
+		super(30);
+		dlConfig = dlcfg;
+		this.setWithRequest(request);
+	}
+
+	
+	protected void initParams() {
+		// page numbers
+		newParameter("pgs", "", null, 's');
+		// url of the page/document (second part)
+		newParameter("fn", "", null, 's');
+		// width of client in pixels
+		newParameter("dw", new Integer(0), null, 's');
+		// height of client in pixels
+		newParameter("dh", new Integer(500), null, 's');
+	}
+	
+	/* (non-Javadoc)
+     * @see digilib.servlet.ParameterMap#initOptions()
+     */
+    @Override
+    protected void initOptions() {
+        options = (OptionsSet) getValue("mo");
+    }
+
+    /**
+	 * Read the request object.
+	 * 
+	 * @param request
+	 * @throws FileOpException 
+	 */
+	public void setWithRequest(HttpServletRequest request) throws FileOpException {
+	    // read matching request parameters for the parameters in this map 
+		for (String k : params.keySet()) {
+			if (request.getParameterMap().containsKey(k)) {
+				setValueFromString(k, request.getParameter(k));
+			}
+		}
+		// process parameters
+		pages = new NumRange(getAsString("pgs"));
+        ImageJobDescription ij = ImageJobDescription.getInstance(this, dlConfig);
+        DocuDirectory dir = ij.getFileDirectory();
+        int dirsize = dir.size(FileClass.IMAGE);
+        pages.setMaxnum(dirsize);
+	}
+	
+	
+	/**
+	 * Generate a filename for the pdf to be created.
+	 * 
+	 * @return
+	 */
+	public String getDocumentId(){
+		String fn = getAsString("fn");
+		String dh = getAsString("dh");
+		String dw = getAsString("dw");
+		String pgs = getAsString("pgs");
+			
+		String id = "fn=" + fn + "&dw=" + dw + "&dh=" + dh + "&pgs=" + pgs + ".pdf";
+		// make safe to use as filename by urlencoding
+		try {
+			id = URLEncoder.encode(id, "UTF-8");
+		} catch (UnsupportedEncodingException e) {
+			// this shouldn't happen
+		}
+		return id;
+	}
+
+	
+	public ImageJobDescription getImageJobInformation(){
+		return ImageJobDescription.getInstance(this, dlConfig);
+	}
+	
+	
+	public NumRange getPages() {
+	    return pages;
+	}
+	
+	
+	/**
+	 * Check parameters for validity.
+	 * Returns true if no errors are found.
+	 * 
+	 * @return
+	 */
+	public boolean checkValidity(){
+	    if (pages != null) {
+	        return true;
+	    }
+	    return false;
+	} 
+	
+	public DigilibConfiguration getDlConfig(){
+		return dlConfig;
+	}
+	
+}
\ No newline at end of file