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/*
* 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.olap.xmla;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.olap.result.JROlapHierarchy;
import net.sf.jasperreports.olap.result.JROlapHierarchyLevel;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Lucian Chirita ([email protected])
*/
public class JRXmlaHierarchy implements JROlapHierarchy
{
private final static Log log = LogFactory.getLog(JRXmlaHierarchy.class);
public static final String EXCEPTION_MESSAGE_KEY_XMLA_INVALID_DIMENSION_HIERARCHY = "data.olap.xmla.invalid.dimension.hierarchy";
private static final Pattern DIMENSION_HIERARCHY_PATTERN = Pattern.compile("\\[.*\\]\\.\\[.*\\]");
private final String dimensionName;
private final String uniqueName;
private final List levels;
private JRXmlaHierarchyLevel[] levelArray;
public JRXmlaHierarchy(String dimensionName)
{
this.dimensionName = dimensionName;
// Dimension name could be of the form [Dimension].[Hierarchy]
// in that case, just put in the Hierarchy as uniqueName
this.uniqueName = parseUniqueName(dimensionName);
this.levels = new ArrayList();
}
@Override
public String getDimensionName()
{
return dimensionName;
}
@Override
public JROlapHierarchyLevel[] getLevels()
{
return ensureLevelArray();
}
public void setLevel(String levelName, int depth)
{
int levelCount = levels.size();
if (depth >= levelCount)
{
for (int i = levelCount; i <= depth; ++i)
{
levels.add(null);
}
}
JRXmlaHierarchyLevel level = levels.get(depth);
if (level == null)
{
level = new JRXmlaHierarchyLevel(levelName, depth);
levels.set(depth, level);
}
else if (!levelName.equals(level.getName()))
{
if (log.isWarnEnabled())
{
log.warn("Different level name \"" + levelName + "\" found for level \"" + level.getName() + "\" at depth " + depth);
}
}
resetLevelArray();
}
// MPenningroth 21-April-2009 deal with case when dimension is . form
@Override
public String getHierarchyUniqueName()
{
return uniqueName;
}
protected JRXmlaHierarchyLevel[] ensureLevelArray()
{
if (levelArray == null)
{
levelArray = new JRXmlaHierarchyLevel[levels.size()];
levelArray = levels.toArray(levelArray);
}
return levelArray;
}
protected void resetLevelArray()
{
levelArray = null;
}
protected String parseUniqueName(String originalDimensionName)
{
Matcher m = DIMENSION_HIERARCHY_PATTERN.matcher(originalDimensionName);
Boolean gotMatch = m.matches();
if (gotMatch)
{
int startIndex = originalDimensionName.lastIndexOf(".[");
int endIndex = originalDimensionName.lastIndexOf(']');
if (startIndex == -1 || endIndex == -1 || startIndex + 3 >= endIndex)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_XMLA_INVALID_DIMENSION_HIERARCHY,
new Object[]{originalDimensionName});
}
else
{
return originalDimensionName.substring(startIndex + 2, endIndex);
}
}
return originalDimensionName;
}
}