tools.dynamia.app.reports.JasperReportCompiler Maven / Gradle / Ivy
/*
* Copyright (C) 2023 Dynamia Soluciones IT S.A.S - NIT 900302344-1
* Colombia / South America
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package tools.dynamia.app.reports;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JREmptyDataSource;
import net.sf.jasperreports.engine.JRResultSetDataSource;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.data.JRBeanArrayDataSource;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.export.HtmlExporter;
import net.sf.jasperreports.engine.export.HtmlResourceHandler;
import net.sf.jasperreports.engine.export.JRCsvExporter;
import net.sf.jasperreports.engine.export.JRGraphics2DExporter;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.engine.export.JRPrintServiceExporter;
import net.sf.jasperreports.engine.export.JRTextExporter;
import net.sf.jasperreports.engine.export.oasis.JROdtExporter;
import net.sf.jasperreports.engine.export.ooxml.JRXlsxExporter;
import net.sf.jasperreports.export.Exporter;
import net.sf.jasperreports.export.ExporterInputItem;
import net.sf.jasperreports.export.SimpleExporterInput;
import net.sf.jasperreports.export.SimpleExporterInputItem;
import net.sf.jasperreports.export.SimpleHtmlExporterOutput;
import net.sf.jasperreports.export.SimpleOutputStreamExporterOutput;
import tools.dynamia.commons.StringUtils;
import tools.dynamia.commons.logger.LoggingService;
import tools.dynamia.commons.logger.SLF4JLoggingService;
import tools.dynamia.io.FileInfo;
import tools.dynamia.io.IOUtils;
import tools.dynamia.reports.Report;
import tools.dynamia.reports.ReportCompileException;
import tools.dynamia.reports.ReportCompiler;
import tools.dynamia.reports.ReportDataSource;
import tools.dynamia.reports.ReportDescriptor;
import tools.dynamia.reports.ReportExporterException;
import tools.dynamia.reports.ReportFiller;
import tools.dynamia.reports.ReportFillerException;
import tools.dynamia.reports.ReportOutputType;
import javax.sql.DataSource;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class JasperReportCompiler implements ReportCompiler {
private LoggingService logger = new SLF4JLoggingService(JasperReportCompiler.class);
@Override
public String getId() {
return "jasperreports";
}
@Override
public File compile(File reportFile) {
JasperReportExplorerFilter filter = new JasperReportExplorerFilter();
if (filter.match(reportFile)) {
File jasperFile = findJasper(reportFile);
if (!jasperFile.exists() || reportFile.lastModified() > jasperFile.lastModified()) {
try (FileInputStream input = new FileInputStream(reportFile)) {
FileOutputStream output = new FileOutputStream(jasperFile);
JasperCompileManager.compileReportToStream(input, output);
output.close();
} catch (Exception e) {
throw new ReportCompileException(e);
}
}
return jasperFile;
} else {
throw new ReportCompileException("Unsupport report file, should be a JasperReports .jrxml file");
}
}
private File findJasper(File reportFile) {
File dir = reportFile.getParentFile();
String name = IOUtils.getFileNameWithoutExtension(reportFile);
return new File(dir, name + ".jasper");
}
@Override
public Report fill(ReportDescriptor reportDescriptor) {
Report report = null;
try {
Object content = createTemporaryReport(reportDescriptor);
report = new Report(content, reportDescriptor.getName(), reportDescriptor.getDefaultOutputType());
} catch (Exception e) {
throw new ReportFillerException(e);
}
return report;
}
@Override
public Report fill(ReportDescriptor reportDescriptor, boolean inMemory) {
if (!inMemory) {
return fill(reportDescriptor);
} else {
Report report = null;
try {
Object content = createInMemoryReport(reportDescriptor);
report = new Report(content, reportDescriptor.getName(), reportDescriptor.getDefaultOutputType());
} catch (Exception e) {
throw new ReportFillerException(e);
}
return report;
}
}
private File createTemporaryReport(ReportDescriptor reportDescriptor) throws Exception {
Object datasource = getDatasource(reportDescriptor);
File filledReportFile = File.createTempFile("dmreport" + System.currentTimeMillis(), ".jrprint");
try (FileOutputStream out = new FileOutputStream(filledReportFile)) {
Object template = getTemplate(reportDescriptor);
Map params = buildParams(reportDescriptor.getParameters());
if (datasource instanceof JRDataSource jrds) {
if (template instanceof String) {
InputStream is = ReportFiller.class.getResourceAsStream(reportDescriptor.getTemplate().toString());
JasperFillManager.fillReportToStream(is, out, params, jrds);
} else if (template instanceof JasperReport jr) {
JasperFillManager.fillReportToStream(jr, out, params, jrds);
} else if (template instanceof File file) {
params.put("CURRENT_DIRECTORY", file.getParentFile().getAbsolutePath());
InputStream is = new FileInputStream(file);
JasperFillManager.fillReportToStream(is, out, params, jrds);
} else if (template instanceof URL) {
InputStream is = ((URL) template).openStream();
JasperFillManager.fillReportToStream(is, out, params, jrds);
} else {
throw new ReportFillerException("Unknow report template type :" + reportDescriptor.getTemplate());
}
} else if (datasource instanceof Connection connection) {
if (template instanceof String) {
InputStream is = ReportFiller.class.getResourceAsStream(reportDescriptor.getTemplate().toString());
JasperFillManager.fillReportToStream(is, out, params, connection);
} else if (template instanceof JasperReport jr) {
JasperFillManager.fillReportToStream(jr, out, params, connection);
} else if (template instanceof File file) {
params.put("CURRENT_DIRECTORY", file.getParentFile().getAbsolutePath());
InputStream is = new FileInputStream(file);
JasperFillManager.fillReportToStream(is, out, params, connection);
} else if (template instanceof URL) {
InputStream is = ((URL) template).openStream();
JasperFillManager.fillReportToStream(is, out, params, connection);
} else {
throw new ReportFillerException("Unknow report template type :" + reportDescriptor.getTemplate());
}
}
}
return filledReportFile;
}
private static Map buildParams(Map parameters) {
var params = new HashMap<>(parameters);
params.entrySet()
.stream().filter(e -> e.getValue() instanceof ReportDataSource)
.forEach(e -> {
var datasource = (ReportDataSource) e.getValue();
if (datasource.getValue() instanceof Collection) {
params.put(e.getKey(), new JRBeanCollectionDataSource((Collection) datasource.getValue()));
} else if (datasource.getValue() instanceof JRDataSource) {
params.put(e.getKey(), datasource.getValue());
}
});
return params;
}
private JasperPrint createInMemoryReport(ReportDescriptor reportDescriptor) throws Exception {
Object datasource = getDatasource(reportDescriptor);
JasperPrint jasperPrint = null;
Object template = getTemplate(reportDescriptor);
Map params = new HashMap<>(reportDescriptor.getParameters());
if (datasource instanceof JRDataSource jrds) {
if (template instanceof String) {
InputStream is = ReportFiller.class.getResourceAsStream(reportDescriptor.getTemplate().toString());
jasperPrint = JasperFillManager.fillReport(is, params, jrds);
} else if (template instanceof JasperReport jr) {
jasperPrint = JasperFillManager.fillReport(jr, params, jrds);
} else if (template instanceof File file) {
params.put("CURRENT_DIRECTORY", file.getParentFile().getAbsolutePath());
InputStream is = new FileInputStream(file);
jasperPrint = JasperFillManager.fillReport(is, params, jrds);
} else if (template instanceof URL) {
InputStream is = ((URL) template).openStream();
jasperPrint = JasperFillManager.fillReport(is, params, jrds);
} else {
throw new ReportFillerException("Unknow report template type :" + reportDescriptor.getTemplate());
}
} else if (datasource instanceof Connection connection) {
if (template instanceof String) {
InputStream is = ReportFiller.class.getResourceAsStream(reportDescriptor.getTemplate().toString());
jasperPrint = JasperFillManager.fillReport(is, params, connection);
} else if (template instanceof JasperReport jr) {
jasperPrint = JasperFillManager.fillReport(jr, params, connection);
} else if (template instanceof File file) {
params.put("CURRENT_DIRECTORY", file.getParentFile().getAbsolutePath());
InputStream is = new FileInputStream(file);
jasperPrint = JasperFillManager.fillReport(is, params, connection);
} else if (template instanceof URL) {
InputStream is = ((URL) template).openStream();
jasperPrint = JasperFillManager.fillReport(is, params, connection);
} else {
throw new ReportFillerException("Unknow report template type :" + reportDescriptor.getTemplate());
}
}
return jasperPrint;
}
private Object getDatasource(ReportDescriptor reportDescriptor) {
Object dataSource = reportDescriptor.getDataSource();
Object realDatasource = null;
if (dataSource == null) {
realDatasource = new JREmptyDataSource();
} else if (dataSource instanceof JRDataSource) {
realDatasource = dataSource;
} else if (dataSource instanceof Collection) {
realDatasource = new JRBeanCollectionDataSource((Collection) dataSource);
} else if (dataSource.getClass().isArray()) {
realDatasource = new JRBeanArrayDataSource((Object[]) dataSource);
} else if (dataSource instanceof ResultSet) {
realDatasource = new JRResultSetDataSource((ResultSet) dataSource);
} else if (dataSource instanceof Connection) {
realDatasource = dataSource;
} else if (dataSource instanceof DataSource) {
try {
DataSource jdbcDatasource = (DataSource) dataSource;
realDatasource = jdbcDatasource.getConnection();
} catch (SQLException e) {
logger.error("Error getting connection from JDBC DataSource for ReportDescriptor " + reportDescriptor, e);
}
}
return realDatasource;
}
private static Object getTemplate(ReportDescriptor rd) {
Object template = rd.getTemplate();
if (template instanceof FileInfo) {
template = ((FileInfo) template).getFile();
}
return template;
}
@Override
public void export(List reports, OutputStream outputStream, ReportOutputType outputType, Map exportParameters) {
try {
var exporter = buildExporter(outputType, outputStream);
List list = getJasperPrints(reports);
if (!list.isEmpty()) {
var items = new ArrayList();
list.forEach(jp -> items.add(new SimpleExporterInputItem(jp)));
//noinspection unchecked
exporter.setExporterInput(new SimpleExporterInput(items));
} else if (reports.size() == 1) {
Report report = reports.get(0);
if (report.getContent() instanceof File reportFile) {
//noinspection unchecked
exporter.setExporterInput(new SimpleExporterInput(reportFile));
}
}
exporter.exportReport();
} catch (Exception ex) {
throw new ReportExporterException(ex);
}
}
private Exporter buildExporter(ReportOutputType reportOuputType, OutputStream outputStream) throws Exception {
Exporter exporter = null;
boolean ready = false;
switch (reportOuputType) {
case CSV -> exporter = new JRCsvExporter();
case HTML -> {
exporter = buildHtmlExporter(outputStream);
ready = true;
}
case JAVA2D -> exporter = new JRGraphics2DExporter();
case OPENOFFICE -> exporter = new JROdtExporter();
case PDF -> exporter = new JRPdfExporter();
case PLAIN -> exporter = new JRTextExporter();
case EXCEL -> exporter = new JRXlsxExporter();
case PRINTER -> exporter = new JRPrintServiceExporter();
}
if (!ready) {
//noinspection unchecked
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(outputStream));
}
return exporter;
}
private HtmlExporter buildHtmlExporter(OutputStream outputStream) {
var html = new HtmlExporter();
Map images = new HashMap<>();
Map dataTypes = Map.of(
"jpg", "image/jpg",
"png", "image/png",
"svg", "image/svg+xml");
var htmlOutput = new SimpleHtmlExporterOutput(outputStream);
htmlOutput.setImageHandler(new HtmlResourceHandler() {
@Override
public void handleResource(String id, byte[] data) {
var ext = StringUtils.getFilenameExtension(id);
String type = null;
if (ext != null && !ext.isBlank()) {
type = dataTypes.get(ext.toLowerCase().trim());
}
if (type == null) {
type = dataTypes.get("jpg");
}
images.put(id, "data:" + type + ";base64," + Base64.getEncoder().encodeToString(data));
}
@Override
public String getResourcePath(String id) {
return images.get(id);
}
});
html.setExporterOutput(htmlOutput);
return html;
}
private static List getJasperPrints(List reports) {
List jasperPrints = new ArrayList<>();
for (Report report : reports) {
if (report.getContent() instanceof JasperPrint jrPrint) {
jasperPrints.add(jrPrint);
}
}
return jasperPrints;
}
}
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