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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package org.libreoffice.report.pentaho.layoutprocessor;
import org.libreoffice.report.pentaho.model.FormattedTextElement;
import java.util.ArrayList;
import java.util.List;
/**
* A variables collection is used to collect all FormattedTextElement objects
* of a repeated header or footer. Later, for each of these elements a variable
* setter is inserted into a hidden (in fact just very small) paragraph. These
* variables can later be read using the 'variable-get' construct.
*
* From the idea, this is equal to the 'strings' declaration of CSS3, although
* this code is explicit instead of declarative.
*
* @since 22.03.2007
*/
public class VariablesCollection
{
private String namePrefix;
private List<FormattedTextElement> variables;
public VariablesCollection(final String namePrefix)
{
this(namePrefix, null);
}
private VariablesCollection(final String namePrefix, final VariablesCollection parent)
{
if (namePrefix == null)
{
throw new NullPointerException("NamePrefix cannot be null");
}
this.namePrefix = namePrefix;
this.variables = new ArrayList<FormattedTextElement>();
}
public String getNamePrefix()
{
return namePrefix;
}
public FormattedTextElement[] getVariables()
{
return variables.toArray(new FormattedTextElement[variables.size()]);
}
public int getVariablesCount()
{
return variables.size();
}
}
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