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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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.
*
* JasperReports 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 JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.design;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.compilers.ReportSourceCompilation;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRField;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JRVariable;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.util.DigestUtils;
/**
* Expression evaluator source code generation information.
*
* @author Lucian Chirita ([email protected])
*/
public class JRSourceCompileTask
{
private JasperDesign jasperDesign;
private String unitName;
private JRExpressionCollector expressionCollector;
private Map parametersMap;
private Map fieldsMap;
private Map variablesMap;
private JRVariable[] variables;
private List expressions;
private boolean onlyDefaultEvaluation;
private String compileName;
protected JRSourceCompileTask(
JasperDesign jasperDesign,
String unitName,
JRExpressionCollector expressionCollector,
List expressions,
Map parametersMap,
Map fieldsMap,
Map variablesMap,
JRVariable[] variables,
boolean onlyDefaultEvaluation
)
{
this.jasperDesign = jasperDesign;
this.unitName = unitName;
this.expressionCollector = expressionCollector;
this.parametersMap = parametersMap;
this.fieldsMap = fieldsMap;
this.variablesMap = variablesMap;
this.variables = variables;
this.expressions = expressions;
this.onlyDefaultEvaluation = onlyDefaultEvaluation;
this.compileName = computeCompileName();
}
public JRSourceCompileTask(
JasperDesign jasperDesign,
String unitName,
JRExpressionCollector expressionCollector,
ReportSourceCompilation sourceCompilation,
boolean onlyDefaultEvaluation
)
{
this(jasperDesign, unitName, expressionCollector,
sourceCompilation.getExpressions(),
sourceCompilation.getParameters(),
sourceCompilation.getFields(),
sourceCompilation.getVariables(),
sourceCompilation.getVariablesArray(),
onlyDefaultEvaluation);
}
private String computeCompileName()
{
StringBuilder sourceText = new StringBuilder();
if (parametersMap != null)
{
for (JRParameter parameter : parametersMap.values())
{
sourceText.append("p;");
sourceText.append(parameter.getName());
sourceText.append(";");
sourceText.append(parameter.getValueClassName());
sourceText.append(";");
}
}
if (fieldsMap != null)
{
for (JRField field : fieldsMap.values())
{
sourceText.append("f;");
sourceText.append(field.getName());
sourceText.append(";");
sourceText.append(field.getValueClassName());
sourceText.append(";");
}
}
if (variables != null)
{
for (JRVariable variable : variables)
{
sourceText.append("v;");
sourceText.append(variable.getName());
sourceText.append(";");
sourceText.append(variable.getValueClassName());
sourceText.append(";");
}
}
if (expressions != null)
{
for (JRExpression expression : expressions)
{
sourceText.append("e;");
sourceText.append(expressionCollector.getExpressionId(expression));
sourceText.append(";");
sourceText.append(expression.getText());
sourceText.append(";");
}
}
sourceText.append("onlyDefaultEvaluation;");
sourceText.append(onlyDefaultEvaluation);
String hash = DigestUtils.instance().sha256(sourceText.toString());
return unitName + "_" + hash;
}
public List getExpressions()
{
return expressions;
}
public Map getFieldsMap()
{
return fieldsMap;
}
public JasperDesign getJasperDesign()
{
return jasperDesign;
}
public String[] getImports()
{
return jasperDesign.getImports();
}
public boolean isOnlyDefaultEvaluation()
{
return onlyDefaultEvaluation;
}
public Map getParametersMap()
{
return parametersMap;
}
public String getUnitName()
{
return unitName;
}
public String getCompileName()
{
return compileName;
}
public JRVariable[] getVariables()
{
return variables;
}
public Map getVariablesMap()
{
return variablesMap;
}
public Integer getExpressionId(JRExpression expression)
{
return expressionCollector.getExpressionId(expression);
}
public JRExpression getExpression(int expressionId)
{
return expressionCollector.getExpression(expressionId);
}
public JasperReportsContext getJasperReportsContext()
{
return expressionCollector.getJasperReportsContext();
}
}