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• Generator Data Table Report is a project to permit you create simple reports in a simple way.

Getting Started

By MAVEN

• Create local repository mvn install clean

• In pom.xml of project that wish to use generator data table report add:

<dependency>
	<groupId>br.keyworks.generatordatatablereport</groupId>
	<artifactId>GeneratorDataTableReport</artifactId>
	<version>{wished-version}</version>
</dependency>

How to create a report

Use annotation in some model to define which columns will be displayed in report

Model example

public class User {

	@ColumnReport(order = 1)
	private final String name;

	@ColumnReport(mask = "###.###.###-##", order = 2)
	private final String cpf;

	@ColumnReport(label = "Phone", mask = "(##) ####-####", order = 3)
	private final String phone;

	public User(final String name, 
	            final String cpf, 
	            final String phone) {
		this.name = name;
		this.cpf = cpf;
		this.phone = phone;
	}

	public String getNome() {
		return nome;
	}

	public String getCpf() {
		return cpf;
	}

	public String getTelefone() {
		return telefone;
	}
}

• The class should have getter's

• The ColumnReport annotation defines that the field or method in which it is to be used will be a column in the report

• Params of ColumnReport annotation

1. label: Defines the header name, if omitted, the field name or method name will be used, capitalizing the first letter and adding a blank space between others already capitelized
2. mask: Permit to define a mask for fields as CEP, CPF, CNPJ, PHONE and so on ... Sould be used in the format ###.###.###-## by example, where each # will be replaced by the value of the field, and the other characters, other than # are retained
3. value: Permit to define that a value belonging to an object will be displayed as a column, by example:

   	@ColumnReport(value = "address.cidade")
   	private User user;
   

4. whenNoData: Permit to define a default value for when there is no data to bw displayed
5. order: Permit to define the order of exibition of columns
6. html: Permit that a column to be displayed as html, remembering that tags allowed are the same that Jasper support

Openning a report

new GeneratorDataTableReport<>(listOfData,
						new InfoReportSimple(User.class, "Report - Users"))
										.openReport();

Generate the report in bytes, to be possible create services to download

new GeneratorDataTableReport<>(listOfData,
						new InfoReportSimple(User.class, "Report - Users"))
										.generateReport();

Overwriting the layout of report

Overwriting the styles

Implement GetStyles

public class GetStylesMyImpl implements GetStyles {

	public GetStylesMyImpl() {
	}

	@Override
	public Style getStyleTitle() {
		return new Style...;
	}

	@Override
	public Style getStyleSubtitle() {
		return new Style...;
	}

	@Override
	public Style getStyleWhenNoData() {
		return new Style...;
	}
}

If you want to overwrite only some methods, and then extend GetStylesSimple

public class GetStylesMyImpl extends GetStylesSimple {

	public GetStylesMyImpl() {
	}

	@Override
	public Style getStyleTitle() {
		return new Style...;
	}
}

Overwriting Layout

Implement GetInfoLayout

public class GetInfoLayoutMyImpl implements GetInfoLayout {

	private final String nameReport;

	public GetInfoLayoutMyImpl(final String nameReport) {
		this.nameReport = nameReport;
	}

	@Override
	public String getTextTitle() {
		return nameReport;
	}

	@Override
	public String getTextSubtitle() {
		return "My subtitle";
	}

	@Override
	public Integer getBottomMargin() {
		return 50;
	}

	@Override
	public WhenNoData getWhenNoData() {
		return new WhenNoData("No data", true, false);
	}

	@Override
	public Optional<ImageBanner> getImageBannerToHeader() {
		return Optional.empty();
	}

	@Override
	public DecidePageOrientation getDecidePageOrientation() {
		return new DecidePageOrientation(5);
	}

	@Override
	public Boolean isPrintBackgroundOnOddRows() {
		return true;
	}

	@Override
	public Boolean isUseFullPageWidth() {
		return true;
	}
}

If you want to overwrite only some methods, and then extend GetInfoLayoutSimple

public class GetInfoLayoutMyImpl extends GetInfoLayoutSimple {

	public GetInfoLayoutMyImpl(final String nameReport) {
		super(nameReport);
	}

	@Override
	public Optional<ImageBanner> getImageBannerToHeader() {
		return Optional.of(new ImageBanner("path-image",
						ImageAlignment.ALIGN_LEFT, 90, 60));
	}
}

Finally, create InfoReport

If you overwrite Styles and Layout, and then implement InfoReport

public class InfoReportMyImpl implements InfoReport {

	private final Class<?> classOfData;

	private final String nameReport;

	public InfoReportMyImpl(final Class<?> classOfData, final String nameReport) {
		Objects.requireNonNull(classOfData, "classOfData should not be null");
		Objects.requireNonNull(nameReport, "nameReport should not be null");
		this.classOfData = classOfData;
		this.nameReport = nameReport;
	}
	
	protected String getNameReport() {
		return nameReport;
	}
	
	@Override
	public Class<?> getClassOfData() {
		return classOfData;
	}

	@Override
	public GetStyles getGetStyles() {
		return new GetStylesMyImpl();
	}

	@Override
	public GetInfoLayout getGetInfoLayout() {
		return new GetInfoLayoutMyImpl(nameReport);
	}
}

If you overwrite only one, or Styles, or Layout, and then extend InfoReportSimple

public final class InfoReportMyImpl extends InfoReportSimple {

	public InfoReportMyImpl(final Class<?> classOfData, 
	                        final String nameReport) {
		super(classOfData, nameReport);
	}

	@Override
	public GetInfoLayout getGetInfoLayout() {
		return new GetInfoLayoutMyImpl(getNameReport());
	}
}

I want to display a data by a custom way

Create a CustomExpression

public final class CustomExpressionForBoolean 
                   extends CustomExpressionAbstract {

	private static final long serialVersionUID = 1168523101575543022L;

	public CustomExpressionForBoolean() {
	}

	@Override
	public String getClassName() {
		return Boolean.class.getName();
	}

	@SuppressWarnings("rawtypes")
	@Override
	public String getValue(Map fields, Map variables, Map parameters) {
		final Boolean val = (Boolean) fields.get(getProperty());
		return Boolean.TRUE.equals(val) ? "YES" : "NO";
	}
}

Register a CustomExpression

RegisterCustomExpressions.getInstance().put(ClassForBeCustomized.class,
						new MyImplementationOfCustomExpression());