net.sf.jasperreports.engine.query.JsonQLQueryExecuter Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software 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.query;
import java.io.InputStream;
import java.util.Map;
import net.sf.jasperreports.data.RewindableDataSourceProvider;
import net.sf.jasperreports.engine.JRDataset;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRValueParameter;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.data.JsonQLDataSource;
import net.sf.jasperreports.engine.data.JsonQLDataSourceProvider;
import net.sf.jasperreports.engine.data.TextDataSourceAttributes;
import net.sf.jasperreports.engine.util.JRStringUtil;
/**
* Simple JSON query executer implementation.
*
* @author Narcis Marcu ([email protected])
*/
public class JsonQLQueryExecuter extends AbstractJsonQueryExecuter
{
public static final String CANONICAL_LANGUAGE = "JSONQL";
/**
*
*/
public JsonQLQueryExecuter(
JasperReportsContext jasperReportsContext,
JRDataset dataset,
Map parametersMap
)
{
this(SimpleQueryExecutionContext.of(jasperReportsContext),
dataset, parametersMap);
}
public JsonQLQueryExecuter(
QueryExecutionContext context,
JRDataset dataset,
Map parametersMap
)
{
super(context, dataset, parametersMap);
}
@Override
protected String getCanonicalQueryLanguage()
{
return CANONICAL_LANGUAGE;
}
@Override
protected String getParameterReplacement(String parameterName)
{
Object parameterValue = getParameterValue(parameterName);
if (parameterValue == null) {
return null;
}
Class valueClass= parameterValue.getClass();
if (Number.class.isAssignableFrom(valueClass) || Boolean.class.equals(valueClass)) {
return String.valueOf(parameterValue);
}
StringBuilder sb = new StringBuilder("\"");
sb.append(JRStringUtil.escapeJavaStringLiteral(String.valueOf(parameterValue)));
sb.append("\"");
return sb.toString();
}
@Override
protected JsonQLDataSource getJsonDataInstance(InputStream jsonInputStream) throws JRException {
return new JsonQLDataSource(jsonInputStream, getQueryString());
}
@Override
protected JsonQLDataSource getJsonDataInstance(String jsonSource) throws JRException {
return new JsonQLDataSource(getRepositoryContext(), jsonSource, getQueryString());
}
@Override
protected RewindableDataSourceProvider getJsonDataProviderInstance(String source, TextDataSourceAttributes textAttributes) {
return new JsonQLDataSourceProvider(getJasperReportsContext(), source, getQueryString(), textAttributes);
}
}