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DynamicReports is an open source Java reporting library based on JasperReports. It allows to create dynamic report designs and it doesn't need a visual report designer.
You can very quickly create reports and produce documents that can be displayed, printed or exported into many popular formats such as PDF, Excel, Word and others.
/**
* DynamicReports - Free Java reporting library for creating reports dynamically
*
* Copyright (C) 2010 - 2016 Ricardo Mariaca
* http://www.dynamicreports.org
*
* This file is part of DynamicReports.
*
* DynamicReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DynamicReports 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DynamicReports. If not, see {
private static final long serialVersionUID = Constants.SERIAL_VERSION_UID;
private JasperDesign jasperDesign;
private List> fields;
private DRMargin margin;
private transient ByteArrayOutputStream templateDesign;
public JasperTemplateDesign(JasperDesign jasperDesign) throws DRException {
init(jasperDesign);
}
public JasperTemplateDesign(File file) throws DRException {
Validate.notNull(file, "file must not be null");
try {
init(JRXmlLoader.load(file));
} catch (JRException e) {
throw new DRException(e);
}
}
public JasperTemplateDesign(String fileName) throws DRException {
Validate.notNull(fileName, "fileName must not be null");
try {
init(JRXmlLoader.load(fileName));
} catch (JRException e) {
throw new DRException(e);
}
}
public JasperTemplateDesign(InputStream inputStream) throws DRException {
Validate.notNull(inputStream, "inputStream must not be null");
try {
init(JRXmlLoader.load(inputStream));
} catch (JRException e) {
throw new DRException(e);
}
}
public JasperTemplateDesign(URL url) throws DRException {
Validate.notNull(url, "url must not be null");
try {
init(JRXmlLoader.load(url.openStream()));
} catch (JRException e) {
throw new DRException(e);
} catch (IOException e) {
throw new DRException(e);
}
}
private void init(JasperDesign jasperDesign) throws DRException {
Validate.notNull(jasperDesign, "jasperDesign must not be null");
this.jasperDesign = jasperDesign;
this.fields = new ArrayList>();
for (JRField jrField : jasperDesign.getFields()) {
@SuppressWarnings({ "unchecked", "rawtypes" })
DRField field = new DRField(jrField.getName(), jrField.getValueClass());
fields.add(field);
}
this.margin = new DRMargin();
margin.setTop(jasperDesign.getTopMargin());
margin.setLeft(jasperDesign.getLeftMargin());
margin.setBottom(jasperDesign.getBottomMargin());
margin.setRight(jasperDesign.getRightMargin());
}
@Override
public String getReportName() {
return jasperDesign.getName();
}
@Override
public List> getFields() {
return fields;
}
@Override
public boolean isDefinedParameter(String name) {
JRParameter parameter = jasperDesign.getParametersMap().get(name);
return parameter != null;
}
@Override
public String getResourceBundleName() {
return jasperDesign.getResourceBundle();
}
@Override
public Boolean getIgnorePagination() {
return jasperDesign.isIgnorePagination();
}
@Override
public WhenNoDataType getWhenNoDataType() {
return ConstantTransform.whenNoDataType(jasperDesign.getWhenNoDataTypeValue());
}
@Override
public WhenResourceMissingType getWhenResourceMissingType() {
return ConstantTransform.whenResourceMissingType(jasperDesign.getWhenResourceMissingTypeValue());
}
@Override
public Boolean getTitleOnANewPage() {
return jasperDesign.isTitleNewPage();
}
@Override
public Boolean getSummaryOnANewPage() {
return jasperDesign.isSummaryNewPage();
}
@Override
public Boolean getSummaryWithPageHeaderAndFooter() {
return jasperDesign.isSummaryWithPageHeaderAndFooter();
}
@Override
public Boolean getFloatColumnFooter() {
return jasperDesign.isFloatColumnFooter();
}
@Override
public Integer getPageWidth() {
return jasperDesign.getPageWidth();
}
@Override
public Integer getPageHeight() {
return jasperDesign.getPageHeight();
}
@Override
public PageOrientation getPageOrientation() {
return ConstantTransform.pageOrientation(jasperDesign.getOrientationValue());
}
@Override
public DRIMargin getPageMargin() {
return margin;
}
@Override
public Integer getPageColumnsPerPage() {
return jasperDesign.getColumnCount();
}
@Override
public Integer getPageColumnSpace() {
return jasperDesign.getColumnSpacing();
}
@Override
public Integer getPageColumnWidth() {
return jasperDesign.getColumnWidth();
}
@Override
public int getTitleComponentsCount() {
return getBandComponentsCount(jasperDesign.getTitle());
}
@Override
public int getPageHeaderComponentsCount() {
return getBandComponentsCount(jasperDesign.getPageHeader());
}
@Override
public int getPageFooterComponentsCount() {
return getBandComponentsCount(jasperDesign.getPageFooter());
}
@Override
public int getColumnHeaderComponentsCount() {
return getBandComponentsCount(jasperDesign.getColumnHeader());
}
@Override
public int getColumnFooterComponentsCount() {
return getBandComponentsCount(jasperDesign.getColumnFooter());
}
@Override
public int getLastPageFooterComponentsCount() {
return getBandComponentsCount(jasperDesign.getLastPageFooter());
}
@Override
public int getSummaryComponentsCount() {
return getBandComponentsCount(jasperDesign.getSummary());
}
@Override
public int getNoDataComponentsCount() {
return getBandComponentsCount(jasperDesign.getNoData());
}
@Override
public int getBackgroundComponentsCount() {
return getBandComponentsCount(jasperDesign.getBackground());
}
private int getBandComponentsCount(JRBand band) {
if (band != null && band.getElements() != null) {
return band.getElements().length;
}
return 0;
}
@Override
public JasperDesign getDesign() throws DRException {
try {
if (templateDesign == null) {
templateDesign = new ByteArrayOutputStream();
JRXmlWriter.writeReport(jasperDesign, templateDesign, "UTF-8");
}
return JRXmlLoader.load(new ByteArrayInputStream(templateDesign.toByteArray()));
} catch (JRException e) {
throw new DRException(e);
}
}
}