report.java

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    /* CRMS, customer relationship management system
    Copyright (C) 2003  Service To Youth Council

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    For further information contact the SYC ICT department on [e-mail]
    98 Kermode Street
    North Adelaide
    South Australia
    SA 5006 
    [phone]
    */
/*
 * Report.java
 *
 * Created on 11 June 2003, 17:05
 */

package crms.report;

import java.util.*;
import java.text.*;
import java.io.*;
import org.apache.log4j.Logger;

/**
 *
 * @author  Administrator
 */
public class Report {
    
    public static int ORIENTATION_PORTRAIT = 0;
    public static int ORIENTATION_LANDSCAPE = 1;

    private String heading = null;
    private String subHeading = null;
    private String user = null;
    private Date runDate = new Date();
    private StringBuffer content = null;
    private int orientation = ORIENTATION_PORTRAIT;
    
    public static SimpleDateFormat df = new SimpleDateFormat("d MMMM yyyy, h:mm a");
    
    public static String TAG_ROOT = "entry-list";
    public static String TAG_ENTRY = "entry";

    public static Logger logger = Logger.getLogger(Report.class);
    
    public int columnWidths[];
    public String columnHeadings[];
    
    public void setHeading(String heading) {
        this.heading = heading;   
    }
    
    public String getHeading() {
        return heading;   
    }
    
    public void setSubHeading(String subHeading) {
        this.subHeading = subHeading;   
    }
    
    public String getSubHeading() {
        return subHeading;   
    }
    
    public void setUser(String user) {
        this.user = user;   
    }
    
    public String getUser() {
        return user;   
    }
    
    public Date getRunDate() {
        return runDate;
    }
    
    public void setOrientation(int or) {
        this.orientation = or;   
    }
    
    public int getOrientation() {
        return orientation;   
    }
    
    /**
     * Sets the XML content of this report (what is ultimately converted
     * to a PDF file...
     */
    
    public void setContent(StringBuffer xml) {
        content = xml;   
    }
    
    public StringBuffer getContent() {
        return content;   
    }
    
    public void setColumnHeadings( String[] headings) {
        this.columnHeadings = headings;   
    }
    
    public void setColumnWidths(int[] widths) {
        this.columnWidths = widths;   
    }
    
    public ByteArrayInputStream getInputStream() {
        
        StringBuffer pre = new StringBuffer();
        
        // Insert required xml before the content.
        pre.append("<?xml version=\"1.0\" ?>\n");
        pre.append("<report>\n");
        pre.append("  <heading>" + getHeading() + "</heading>\n");
        pre.append("  <sub-heading>" + getHeading() + "</sub-heading>\n");
        pre.append("  <date>" + df.format(getRunDate()) + "</date>\n");
        
        pre.append("  <column-defs>\n");
        for (int i=0; i < columnWidths.length; i++) {
            int percentage = columnWidths[i];
            float maxWidth = 18; // Portrait Width
            
            if (getOrientation() == ORIENTATION_LANDSCAPE) {
                maxWidth = 26.7f; // Lanscape Width
            }
            
            float cm = (float) percentage/100 * maxWidth;
            NumberFormat nf = NumberFormat.getNumberInstance();
            
            nf.setMaximumFractionDigits(1);
            nf.setMinimumIntegerDigits(1);
            
            pre.append("    <column-def width=\"" + nf.format(cm) + "\"/>\n");
        }
        pre.append("  </column-defs>\n");
        
        pre.append("  <headers>\n");
        for (int i=0; i < columnHeadings.length; i++) {
            pre.append("    <header name=\"" + columnHeadings[i] + "\"/>\n");
        }
        pre.append("  </headers>\n");
        content.insert(0, pre.toString());

        // Close the root tag
        content.append("</report>\n");
        
        logger.debug("XML:\n" + content.toString());
        
        // Return the complete buffer contents
        ByteArrayInputStream in = new ByteArrayInputStream(content.toString().getBytes());
        return in;
    }
    
}