Java JasperPrint.getPages方法代码示例

import net.sf.jasperreports.engine.JasperPrint; //导入方法依赖的package包/类
/**
 * Applies generic element transformers of a specific key to a filled report
 * by replacing generic elements with the transformed elements.
 * 
 * @param report the report
 * @param transformerExportKey the key used to resolve element transformers
 * @see GenericElementTransformer
 * @see GenericElementHandlerBundle#getHandler(String, String)
 */
public static void transformGenericElements(
	JasperReportsContext jasperReportsContext,
	JasperPrint report, 
	String transformerExportKey
	)
{
	TransformerContext transformerContext = new TransformerContext(jasperReportsContext, report);
	List<JRPrintPage> pages = report.getPages();
	for (Iterator<JRPrintPage> pageIt = pages.iterator(); pageIt.hasNext();)
	{
		JRPrintPage page = pageIt.next();
		transformElements(transformerContext, transformerExportKey, 
				page.getElements());
	}
}
 

import net.sf.jasperreports.engine.JasperPrint; //导入方法依赖的package包/类
/**
 * This static method calculates all the X cuts for a list of pages.
 *
 * @param jasperPrint
 *            The JasperPrint document.
 * @param startPageIndex
 *            The first page to consider.
 * @param endPageIndex
 *            The last page to consider.
 * @param offsetX
 *            horizontal element position offset
 */
public static CutsInfo calculateXCuts(ExporterNature nature, JasperPrint jasperPrint, int startPageIndex, int endPageIndex, int offsetX)
{
	CutsInfo xCuts = new CutsInfo();

	List<JRPrintPage> pages = jasperPrint.getPages();
	for (int pageIndex = startPageIndex; pageIndex <= endPageIndex; pageIndex++)
	{
		JRPrintPage page = pages.get(pageIndex);
		addXCuts(nature, page.getElements(), offsetX, xCuts);
	}

	// add a cut at the page width if there are not parts and if no element goes beyond the page width
	if (!jasperPrint.hasParts())
	{
		int width = jasperPrint.getPageWidth();
		int lastCut = xCuts.getLastCutOffset();
		if (lastCut < width)
		{
			xCuts.addCutOffset(width);
		}
	}

	return xCuts;
}
 

import net.sf.jasperreports.engine.JasperPrint; //导入方法依赖的package包/类
protected Directory createLuceneDirectory(JasperPrint jasperPrint) throws IOException, JRException {
	Long start = System.currentTimeMillis();
	Directory dir = new RAMDirectory();
	Analyzer analyzer = getConfiguredAnalyzer();
	IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_45, analyzer);

	iwc.setOpenMode(OpenMode.CREATE);
	writer = new IndexWriter(dir, iwc);

	List<JRPrintPage> pages = jasperPrint.getPages();
	if (pages != null && pages.size() > 0) {
		if (log.isDebugEnabled()) {
			log.debug("there are " + pages.size() + " pages to be indexed");
		}
		for (int i = 0, ps = pages.size(); i < ps; i++) {
			if (log.isDebugEnabled()) {
				log.debug("indexing page: " + i);
			}
			indexPage(pages.get(i), i);
		}
	}

	writer.close();

	if (log.isDebugEnabled()) {
		log.debug("index creation took: " + (System.currentTimeMillis() - start) + " ms");
	}

	return dir;
}