reportmanagerimpl.java

一个可以存储和打印成绩单的系统

package org.minjey.cjsjk.report;

import java.net.URL;
import java.util.Vector;

import javax.swing.table.AbstractTableModel;

import org.jfree.report.JFreeReport;
import org.jfree.report.JFreeReportBoot;
import org.jfree.report.TableDataFactory;
import org.jfree.report.modules.gui.base.PreviewDialog;
import org.jfree.resourceloader.Resource;
import org.jfree.resourceloader.ResourceCreationException;
import org.jfree.resourceloader.ResourceException;
import org.jfree.resourceloader.ResourceKeyCreationException;
import org.jfree.resourceloader.ResourceLoadingException;
import org.jfree.resourceloader.ResourceManager;
import org.jfree.util.ObjectUtilities;
import org.minjey.cjsjk.model.Course;
import org.minjey.cjsjk.model.Major;
import org.minjey.cjsjk.model.Student;

public class ReportManagerImpl implements ReportManager {

	public void previewCourseReport(Major major, Vector<Course> courses) {
		String xmlurl = "course.xml";
		CourseReportTableModel data = new CourseReportTableModel(major, courses);
		Class cla = CourseReportTableModel.class;
		printPreview(cla, xmlurl, data);
		
	}

	public void previewStudentReport(Major major, Vector<Student> students) {
		//System.out.println("==========="+students);
		String xmlurl = null;
		AbstractStudentReportTableModel data = new CommonStudentReportTableModel(major, students);
		Class cla = CommonStudentReportTableModel.class;
		if(major.getMajorlength().getLength() == 4) {
			xmlurl = "student20.xml";
		} else if(major.getMajorlength().getLength() == 5) {
			xmlurl = "student25.xml";
		} else if(major.getMajorlength().getLength() == 6) {
			xmlurl = "student30.xml";
		} else if(major.getMajorlength().getLength() == 8) {
			xmlurl = "student40.xml";
		} else if(major.getMajorlength().getLength() == 10) {
			xmlurl = "student50.xml";
		} else {
			return;
		}
		printPreview(cla, xmlurl, data);
	}
	
	private void printPreview(Class cla, String xmlurl, AbstractTableModel data) {
		try {
			//JFreeReportBoot.getInstance().start();
			URL in = ObjectUtilities.getResourceRelative(xmlurl, cla);
			ResourceManager manager = new ResourceManager();
			manager.registerDefaults();
			Resource res = manager.createDirectly(in, JFreeReport.class);
			JFreeReport report = (JFreeReport) res.getResource();
			report.setDataFactory(new TableDataFactory("default", data));
			PreviewDialog frame = new PreviewDialog(report);
			frame.pack();
			frame.setVisible(true);
		} catch (ResourceLoadingException e) {
			e.printStackTrace();
		} catch (ResourceCreationException e) {
			e.printStackTrace();
		} catch (ResourceKeyCreationException e) {
			e.printStackTrace();
		} catch (ResourceException e) {
			e.printStackTrace();
		}catch (Exception e) {
			e.printStackTrace();
		}
	}
}