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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.engine.design;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import java.io.Serializable;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.TimeZone;
import java.util.UUID;

import net.sf.jasperreports.engine.DatasetFilter;
import net.sf.jasperreports.engine.DatasetPropertyExpression;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRAbstractScriptlet;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRDataset;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRField;
import net.sf.jasperreports.engine.JRGroup;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JRScriptlet;
import net.sf.jasperreports.engine.JRSortField;
import net.sf.jasperreports.engine.JRVariable;
import net.sf.jasperreports.engine.JRVirtualizer;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.ReportContext;
import net.sf.jasperreports.engine.base.JRBaseDataset;
import net.sf.jasperreports.engine.query.QueryExecuterFactory;
import net.sf.jasperreports.engine.type.CalculationEnum;
import net.sf.jasperreports.engine.type.ResetTypeEnum;
import net.sf.jasperreports.engine.type.SortFieldTypeEnum;
import net.sf.jasperreports.engine.type.SortOrderEnum;
import net.sf.jasperreports.engine.util.CloneStore;
import net.sf.jasperreports.engine.util.ContextClassLoaderObjectInputStream;
import net.sf.jasperreports.engine.util.FormatFactory;
import net.sf.jasperreports.engine.util.JRCloneUtils;
import net.sf.jasperreports.engine.util.JRQueryExecuterUtils;

/**
 * Implementation of {@link net.sf.jasperreports.engine.JRDataset JRDataset} to be used for report design.
 * 
 * @author Lucian Chirita ([email protected])
 */
public class JRDesignDataset extends JRBaseDataset
{
	private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
	
	public static final String EXCEPTION_MESSAGE_KEY_DUPLICATE_GROUP = "design.dataset.duplicate.group";
	public static final String EXCEPTION_MESSAGE_KEY_DUPLICATE_FIELD = "design.dataset.duplicate.field";
	public static final String EXCEPTION_MESSAGE_KEY_DUPLICATE_PARAMETER = "design.dataset.duplicate.parameter";
	public static final String EXCEPTION_MESSAGE_KEY_DUPLICATE_SCRIPTLET = "design.dataset.duplicate.scriptlet";
	public static final String EXCEPTION_MESSAGE_KEY_DUPLICATE_SORT_FIELD = "design.dataset.duplicate.sort.field";
	public static final String EXCEPTION_MESSAGE_KEY_DUPLICATE_VARIABLE = "design.dataset.duplicate.variable";
	public static final String EXCEPTION_MESSAGE_KEY_UNKNOWN_BUILTIN_PARAMETER_TYPE = "design.dataset.unknown.builtin.parameter.type";

	public static final String PROPERTY_FIELDS = "fields";

	public static final String PROPERTY_FILTER_EXPRESSION = "filterExpression";

	public static final String PROPERTY_GROUPS = "groups";
	
	public static final String PROPERTY_NAME = "name";
	
	public static final String PROPERTY_SCRIPTLETS = "scriptlets";
	
	public static final String PROPERTY_PARAMETERS = "parameters";
	
	public static final String PROPERTY_QUERY = "query";
	
	public static final String PROPERTY_RESOURCE_BUNDLE = "resourceBundle";
	
	public static final String PROPERTY_SCRIPTLET_CLASS = "scriptletClass";
	
	public static final String PROPERTY_SORT_FIELDS = "sortFields";
	
	public static final String PROPERTY_VARIABLES = "variables";
	
	public static final String PROPERTY_PROPERTY_EXPRESSIONS = "propertyExpressions";

	private transient JasperReportsContext jasperReportsContext;

	private boolean ownUUID;

	/**
	 * Scriptlets mapped by name.
	 */
	protected Map scriptletsMap = new HashMap();
	protected List scriptletsList = new ArrayList();

	/**
	 * Parameters mapped by name.
	 */
	protected Map parametersMap = new HashMap();
	protected List parametersList = new ArrayList();

	/**
	 * Fields mapped by name.
	 */
	protected Map fieldsMap = new HashMap();
	protected List fieldsList = new ArrayList();


	/**
	 * Sort fields mapped by name.
	 */
	protected Map sortFieldsMap = new HashMap();
	protected List sortFieldsList = new ArrayList();


	/**
	 * Variables mapped by name.
	 */
	protected Map variablesMap = new HashMap();
	protected List variablesList = new ArrayList();


	/**
	 * Groups mapped by name.
	 */
	protected Map groupsMap = new HashMap();
	protected List groupsList = new ArrayList();

	private List propertyExpressions = new ArrayList();

	
	private class QueryLanguageChangeListener implements PropertyChangeListener, Serializable
	{
		private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;

		@Override
		public void propertyChange(PropertyChangeEvent evt)
		{
			queryLanguageChanged((String) evt.getOldValue(), (String) evt.getNewValue());
		}
	}
	
	private PropertyChangeListener queryLanguageChangeListener = new QueryLanguageChangeListener();
	
	
	/**
	 * An array containing the built-in parameters that can be found and used in any report dataset.
	 */
	private static final Object[] BUILT_IN_PARAMETERS = new Object[] { 
		JRParameter.REPORT_CONTEXT, ReportContext.class, 
		JRParameter.REPORT_PARAMETERS_MAP, java.util.Map.class, 
		JRParameter.JASPER_REPORTS_CONTEXT, JasperReportsContext.class, 
		JRParameter.JASPER_REPORT, JasperReport.class, 
		JRParameter.REPORT_CONNECTION, Connection.class,
		JRParameter.REPORT_MAX_COUNT, Integer.class, 
		JRParameter.REPORT_DATA_SOURCE, JRDataSource.class, 
		JRParameter.REPORT_SCRIPTLET, JRAbstractScriptlet.class, 
		JRParameter.REPORT_LOCALE, Locale.class, 
		JRParameter.REPORT_RESOURCE_BUNDLE, ResourceBundle.class,
		JRParameter.REPORT_TIME_ZONE, TimeZone.class, 
		JRParameter.REPORT_FORMAT_FACTORY, FormatFactory.class, 
		JRParameter.REPORT_CLASS_LOADER, ClassLoader.class,
		JRParameter.REPORT_TEMPLATES, Collection.class,
		JRParameter.SORT_FIELDS, List.class,
		JRParameter.FILTER, DatasetFilter.class
		};


	
	/**
	 * An array containing the built-in parameters that can be found and used in any report/main dataset.
	 */
	private static final Object[] BUILT_IN_PARAMETERS_MAIN = new Object[] { 
		JRParameter.REPORT_VIRTUALIZER, JRVirtualizer.class, 
		JRParameter.IS_IGNORE_PAGINATION, Boolean.class };

	
	/**
	 * Create a dataset.
	 * 
	 * @param isMain whether this is the main dataset of the report or a sub dataset
	 * @see net.sf.jasperreports.engine.JRDataset#isMainDataset()
	 */
	public JRDesignDataset(boolean isMain)
	{
		this(DefaultJasperReportsContext.getInstance(), isMain);
	}

	/**
	 * Create a dataset.
	 * 
	 * @param isMain whether this is the main dataset of the report or a sub dataset
	 * @see net.sf.jasperreports.engine.JRDataset#isMainDataset()
	 */
	public JRDesignDataset(JasperReportsContext jasperReportsContext, boolean isMain)
	{
		super(isMain);
		
		this.jasperReportsContext = jasperReportsContext;
		
		addBuiltinParameters(BUILT_IN_PARAMETERS);
		
		if (isMain)
		{
			addBuiltinParameters(BUILT_IN_PARAMETERS_MAIN);
		}

		try 
		{
			addVariable(createPageNumberVariable());
			addVariable(createMasterCurrentPageVariable());
			addVariable(createMasterTotalPagesVariable());
			addVariable(createColumnNumberVariable());
			addVariable(createReportCountVariable());
			addVariable(createPageCountVariable());
			addVariable(createColumnCountVariable());
		}
		catch (JRException e)
		{
			//never reached
		}
	}

	private static JRDesignVariable createPageCountVariable()
	{
		JRDesignExpression expression;
		JRDesignVariable variable;
		variable = new JRDesignVariable();
		variable.setName(JRVariable.PAGE_COUNT);
		variable.setValueClass(Integer.class);
		variable.setResetType(ResetTypeEnum.PAGE);
		variable.setCalculation(CalculationEnum.COUNT);
		variable.setSystemDefined(true);
		expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		expression.setText("new java.lang.Integer(1)");
		variable.setExpression(expression);
		expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		expression.setText("new java.lang.Integer(0)");
		variable.setInitialValueExpression(expression);
		return variable;
	}

	private static JRDesignVariable createColumnNumberVariable()
	{
		JRDesignExpression expression;
		JRDesignVariable variable;
		variable = new JRDesignVariable();
		variable.setName(JRVariable.COLUMN_NUMBER);
		variable.setValueClass(Integer.class);
		//variable.setResetType(JRVariable.RESET_TYPE_COLUMN);
		variable.setResetType(ResetTypeEnum.PAGE);
		variable.setCalculation(CalculationEnum.SYSTEM);
		variable.setSystemDefined(true);
		expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		//expression.setText("$V{COLUMN_NUMBER} == null ? 1 : ($V{COLUMN_NUMBER} + 1)");
		expression.setText("new java.lang.Integer(1)");
		variable.setInitialValueExpression(expression);
		return variable;
	}

	private static JRDesignVariable createPageNumberVariable()
	{
		JRDesignVariable variable = new JRDesignVariable();
		variable.setName(JRVariable.PAGE_NUMBER);
		variable.setValueClass(Integer.class);
		//variable.setResetType(JRVariable.RESET_TYPE_PAGE);
		variable.setResetType(ResetTypeEnum.REPORT);
		variable.setCalculation(CalculationEnum.SYSTEM);
		variable.setSystemDefined(true);
		JRDesignExpression expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		//expression.setText("$V{PAGE_NUMBER} == null ? 1 : ($V{PAGE_NUMBER} + 1)");
		expression.setText("new java.lang.Integer(1)");
		variable.setInitialValueExpression(expression);
		return variable;
	}

	private static JRDesignVariable createMasterCurrentPageVariable()
	{
		JRDesignVariable variable = new JRDesignVariable();
		variable.setName(JRVariable.MASTER_CURRENT_PAGE);
		variable.setValueClass(Integer.class);
		variable.setResetType(ResetTypeEnum.REPORT);
		variable.setCalculation(CalculationEnum.SYSTEM);
		variable.setSystemDefined(true);
		return variable;
	}

	private static JRDesignVariable createMasterTotalPagesVariable()
	{
		JRDesignVariable variable = new JRDesignVariable();
		variable.setName(JRVariable.MASTER_TOTAL_PAGES);
		variable.setValueClass(Integer.class);
		variable.setResetType(ResetTypeEnum.REPORT);
		variable.setCalculation(CalculationEnum.SYSTEM);
		variable.setSystemDefined(true);
		return variable;
	}

	private static JRDesignVariable createColumnCountVariable()
	{
		JRDesignVariable variable;
		JRDesignExpression expression;
		variable = new JRDesignVariable();
		variable.setName(JRVariable.COLUMN_COUNT);
		variable.setValueClass(Integer.class);
		variable.setResetType(ResetTypeEnum.COLUMN);
		variable.setCalculation(CalculationEnum.COUNT);
		variable.setSystemDefined(true);
		expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		expression.setText("new java.lang.Integer(1)");
		variable.setExpression(expression);
		expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		expression.setText("new java.lang.Integer(0)");
		variable.setInitialValueExpression(expression);
		return variable;
	}

	private void addBuiltinParameters(Object[] parametersArray)
	{
		for (int i = 0; i < parametersArray.length; i++)
		{
			JRDesignParameter parameter = new JRDesignParameter();
			parameter.setName((String) parametersArray[i++]);
			
			Object parameterType = parametersArray[i];
			if (parameterType instanceof Class)
			{
				parameter.setValueClass((Class) parameterType);
			}
			else if (parameterType instanceof String)
			{
				parameter.setValueClassName((String) parameterType);
			}
			else
			{
				throw 
					new JRRuntimeException(
						EXCEPTION_MESSAGE_KEY_UNKNOWN_BUILTIN_PARAMETER_TYPE,
						new Object[]{parameterType, parameterType.getClass().getName()});
			}
			
			parameter.setSystemDefined(true);
			try
			{
				addParameter(parameter);
			}
			catch (JRException e)
			{
				// never reached
			}
		}
	}

	private static JRDesignVariable createReportCountVariable()
	{
		JRDesignVariable variable = new JRDesignVariable();
		variable.setName(JRVariable.REPORT_COUNT);
		variable.setValueClass(Integer.class);
		variable.setResetType(ResetTypeEnum.REPORT);
		variable.setCalculation(CalculationEnum.COUNT);
		variable.setSystemDefined(true);
		JRDesignExpression expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		expression.setText("new java.lang.Integer(1)");
		variable.setExpression(expression);
		expression = new JRDesignExpression();
		//expression.setValueClass(Integer.class);
		expression.setText("new java.lang.Integer(0)");
		variable.setInitialValueExpression(expression);
		return variable;
	}

	
	/**
	 * Sets the unique identifier for the report.
	 * 
	 * @param uuid the identifier
	 */
	public void setUUID(UUID uuid)
	{
		this.uuid = uuid;
		this.ownUUID = uuid != null;
	}
	
	/**
	 * Determines whether the report has an existing unique identifier.
	 * 
	 * Note that when no existing identifier is set, {@link #getUUID()} would generate and return
	 * an identifier.
	 * 
	 * @return whether the report has an externally set unique identifier
	 * @see #setUUID(UUID)
	 */
	public boolean hasUUID()
	{
		return ownUUID;
	}
	
	/**
	 * Sets the name of the dataset.
	 * @param name the name of the dataset
	 * @see net.sf.jasperreports.engine.JRDataset#getName()
	 */
	public void setName(String name)
	{
		Object old = this.name;
		this.name = name;
		getEventSupport().firePropertyChange(PROPERTY_NAME, old, this.name);
	}

	
	
	@Override
	public JRScriptlet[] getScriptlets()
	{
		JRScriptlet[] scriptletsArray = new JRScriptlet[scriptletsList.size()];

		scriptletsList.toArray(scriptletsArray);

		return scriptletsArray;
	}

	
	/**
	 * Returns the list of scriptlets, excluding the scriptletClass one.
	 * 
	 * @return list of {@link JRScriptlet JRScriptlet} objects
	 */
	public List getScriptletsList()
	{
		return scriptletsList;
	}

	
	/**
	 * Returns the map of scriptlets, excluding the scriptletClass one, indexed by name.
	 * 
	 * @return {@link JRScriptlet JRScriptlet} objects indexed by name
	 */
	public Map getScriptletsMap()
	{
		return scriptletsMap;
	}

	
	/**
	 * Adds a scriptlet to the dataset.
	 * @param scriptlet the scriptlet to add
	 * @throws JRException
	 * @see net.sf.jasperreports.engine.JRDataset#getScriptlets()
	 */
	public void addScriptlet(JRScriptlet scriptlet) throws JRException
	{
		addScriptlet(scriptletsList.size(), scriptlet);
	}

	
	/**
	 * Inserts a scriptlet at the specified position into the dataset.
	 * @param index the scriptlet position
	 * @param scriptlet the scriptlet to insert
	 * @throws JRException
	 * @see net.sf.jasperreports.engine.JRDataset#getScriptlets()
	 */
	public void addScriptlet(int index, JRScriptlet scriptlet) throws JRException
	{
		if (scriptletsMap.containsKey(scriptlet.getName()))
		{
			throw 
			new JRException(
				EXCEPTION_MESSAGE_KEY_DUPLICATE_SCRIPTLET,
				new Object[]{scriptlet.getName()});
		}

		JRDesignParameter scriptletParameter = new JRDesignParameter();
		scriptletParameter.setName(scriptlet.getName() 
				+ JRScriptlet.SCRIPTLET_PARAMETER_NAME_SUFFIX);
		scriptletParameter.setValueClassName(scriptlet.getValueClassName());
		scriptletParameter.setSystemDefined(true);
		scriptletParameter.setForPrompting(false);

		addParameter(scriptletParameter);

		scriptletsList.add(index, scriptlet);
		scriptletsMap.put(scriptlet.getName(), scriptlet);
		
		getEventSupport().fireCollectionElementAddedEvent(PROPERTY_SCRIPTLETS, scriptlet, index);
	}

	
	/**
	 * Removes a scriptlet from the dataset.
	 * 
	 * @param scriptletName the scriptlet name
	 * @return the removed scriptlet, or null if the scriptlet was not found
	 */
	public JRScriptlet removeScriptlet(String scriptletName)
	{
		return removeScriptlet(scriptletsMap.get(scriptletName));
	}

	
	/**
	 * Removes a scriptlet from the dataset.
	 * 
	 * @param scriptlet the scriptlet to be removed
	 * @return the scriptlet to be removed
	 */
	public JRScriptlet removeScriptlet(JRScriptlet scriptlet)
	{
		if (scriptlet != null)
		{
			removeParameter(scriptlet.getName() 
					+ JRScriptlet.SCRIPTLET_PARAMETER_NAME_SUFFIX);
			int idx = scriptletsList.indexOf(scriptlet);
			if (idx >= 0)
			{
				scriptletsList.remove(idx);
				scriptletsMap.remove(scriptlet.getName());
				getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_SCRIPTLETS, scriptlet, idx);
			}
		}

		return scriptlet;
	}

	
	@Override
	public JRParameter[] getParameters()
	{
		JRParameter[] parametersArray = new JRParameter[parametersList.size()];

		parametersList.toArray(parametersArray);

		return parametersArray;
	}

	
	/**
	 * Returns the list of parameters, including build-in ones.
	 * 
	 * @return list of {@link JRParameter JRParameter} objects
	 */
	public List getParametersList()
	{
		return parametersList;
	}

	
	/**
	 * Returns the map of parameters, including build-in ones, indexed by name.
	 * 
	 * @return {@link JRParameter JRParameter} objects indexed by name
	 */
	public Map getParametersMap()
	{
		return parametersMap;
	}

	
	/**
	 * Adds a parameter to the dataset.
	 * @param parameter the parameter to add
	 * @throws JRException
	 * @see net.sf.jasperreports.engine.JRDataset#getParameters()
	 */
	public void addParameter(JRParameter parameter) throws JRException
	{
		addParameter(parametersList.size(), parameter);
	}

	
	/**
	 * Inserts a parameter at the specified position into the dataset.
	 * @param index the parameter position
	 * @param parameter the parameter to insert
	 * @throws JRException
	 * @see net.sf.jasperreports.engine.JRDataset#getParameters()
	 */
	public void addParameter(int index, JRParameter parameter) throws JRException
	{
		if (parametersMap.containsKey(parameter.getName()))
		{
			throw 
				new JRException(
					EXCEPTION_MESSAGE_KEY_DUPLICATE_PARAMETER,
					new Object[]{parameter.getName()});
		}

		parametersList.add(index, parameter);
		parametersMap.put(parameter.getName(), parameter);
		
		getEventSupport().fireCollectionElementAddedEvent(PROPERTY_PARAMETERS, parameter, index);
	}

	
	/**
	 * Removes a parameter from the dataset.
	 * 
	 * @param parameterName the parameter name
	 * @return the removed parameter, or null if the parameter was not found
	 */
	public JRParameter removeParameter(String parameterName)
	{
		return removeParameter(parametersMap.get(parameterName));
	}

	
	/**
	 * Removes a parameter from the dataset.
	 * 
	 * @param parameter the parameter to be removed
	 * @return the parameter to be removed
	 */
	public JRParameter removeParameter(JRParameter parameter)
	{
		if (parameter != null)
		{
			int idx = parametersList.indexOf(parameter);
			if (idx >= 0)
			{
				parametersList.remove(idx);
				parametersMap.remove(parameter.getName());
				getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_PARAMETERS, parameter, idx);
			}
		}

		return parameter;
	}

	
	/**
	 * Sets the dataset query.
	 * 
	 * @param query the query
	 * @see net.sf.jasperreports.engine.JRDataset#getQuery()
	 */
	public void setQuery(JRDesignQuery query)
	{
		Object old = this.query;
		String oldLanguage = null;
		if (this.query != null)
		{
			((JRDesignQuery) this.query).removePropertyChangeListener(JRDesignQuery.PROPERTY_LANGUAGE, queryLanguageChangeListener);
			oldLanguage = this.query.getLanguage();
		}
		this.query = query;
		String newLanguage = null;
		if (query != null)
		{
			query.addPropertyChangeListener(JRDesignQuery.PROPERTY_LANGUAGE, queryLanguageChangeListener);
			newLanguage = query.getLanguage();
		}
		queryLanguageChanged(oldLanguage, newLanguage);
		getEventSupport().firePropertyChange(PROPERTY_QUERY, old, this.query);
	}

	
	/**
	 * Sets the scriptlet class name.
	 * 

* If no scriptlet class name is specified, a default scriptlet is used. * * @param scriptletClass the class name of the scriptlet * @see net.sf.jasperreports.engine.JRDataset#getScriptletClass() */ public void setScriptletClass(String scriptletClass) { Object old = this.scriptletClass; this.scriptletClass = scriptletClass; if (scriptletClass == null) { ((JRDesignParameter) parametersMap.get(JRParameter.REPORT_SCRIPTLET)).setValueClass(JRAbstractScriptlet.class); } else { ((JRDesignParameter) parametersMap.get(JRParameter.REPORT_SCRIPTLET)).setValueClassName(scriptletClass); } getEventSupport().firePropertyChange(PROPERTY_SCRIPTLET_CLASS, old, this.scriptletClass); } @Override public JRField[] getFields() { JRField[] fieldsArray = new JRField[fieldsList.size()]; fieldsList.toArray(fieldsArray); return fieldsArray; } /** * Returns the list of fields. * * @return list of {@link JRField JRField} objects */ public List getFieldsList() { return fieldsList; } /** * Returns the map of fields indexed by name. * * @return {@link JRField JRField} objects indexed by name */ public Map getFieldsMap() { return fieldsMap; } /** * Adds a field to the dataset. * @param field the field to add * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getFields() */ public void addField(JRField field) throws JRException { addField(fieldsList.size(), field); } /** * Inserts a field at the specified position into the dataset. * @param index the field position * @param field the field to insert * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getFields() */ public void addField(int index, JRField field) throws JRException { if (fieldsMap.containsKey(field.getName())) { throw new JRException( EXCEPTION_MESSAGE_KEY_DUPLICATE_FIELD, new Object[]{field.getName()}); } fieldsList.add(index, field); fieldsMap.put(field.getName(), field); getEventSupport().fireCollectionElementAddedEvent(PROPERTY_FIELDS, field, index); } /** * Removes a field from the dataset. * * @param fieldName the field name * @return the removed field, or null if the field was not found */ public JRField removeField(String fieldName) { return removeField(fieldsMap.get(fieldName)); } /** * Removes a field from the dataset. * * @param field the field to be removed * @return the field to be removed */ public JRField removeField(JRField field) { if (field != null) { int idx = fieldsList.indexOf(field); if (idx >= 0) { fieldsList.remove(idx); fieldsMap.remove(field.getName()); getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_FIELDS, field, idx); } } return field; } @Override public JRSortField[] getSortFields() { JRSortField[] sortFieldsArray = new JRSortField[sortFieldsList.size()]; sortFieldsList.toArray(sortFieldsArray); return sortFieldsArray; } /** * Returns the list of sort fields. * * @return list of {@link JRSortField JRSortField} objects */ public List getSortFieldsList() { return sortFieldsList; } /** * Returns the map of sort fields indexed by name and type. * * @return {@link JRField JRField} objects indexed by name */ public Map getSortFieldsMap() { return sortFieldsMap; } /** * Adds a sort field to the dataset. * @param sortField the sort field to add * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getSortFields() */ public void addSortField(JRSortField sortField) throws JRException { addSortField(sortFieldsList.size(), sortField); } /** * Inserts a sort field at specified position into the dataset. * @param index the sort field position * @param sortField the sort field to insert * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getSortFields() */ public void addSortField(int index, JRSortField sortField) throws JRException { String sortFieldKey = getSortFieldKey(sortField); if (sortFieldsMap.containsKey(sortFieldKey)) { throw new JRException( EXCEPTION_MESSAGE_KEY_DUPLICATE_SORT_FIELD, new Object[]{sortField.getName()}); } sortFieldsList.add(index, sortField); sortFieldsMap.put(sortFieldKey, sortField); getEventSupport().fireCollectionElementAddedEvent(PROPERTY_SORT_FIELDS, sortField, index); } /** * Removes a sort field from the dataset. * * @param fieldName the field name * @return the removed sort field, or null if the sort field was not found * @deprecated To be removed. */ public JRSortField removeSortField(String fieldName) { return removeSortField(sortFieldsMap.get(getSortFieldKey(new JRDesignSortField(fieldName, SortFieldTypeEnum.FIELD, SortOrderEnum.ASCENDING)))); } /** * Removes a sort field from the dataset. * * @param sortField the sort field to be removed * @return the sort field to be removed */ public JRSortField removeSortField(JRSortField sortField) { if (sortField != null) { int idx = sortFieldsList.indexOf(sortField); if (idx >= 0) { sortFieldsList.remove(idx); sortFieldsMap.remove(getSortFieldKey(sortField)); getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_SORT_FIELDS, sortField, idx); } } return sortField; } @Override public JRVariable[] getVariables() { JRVariable[] variablesArray = new JRVariable[variablesList.size()]; variablesList.toArray(variablesArray); return variablesArray; } /** * Returns the list of variables, including build-in ones. * * @return list of {@link JRVariable JRVariable} objects */ public List getVariablesList() { return variablesList; } /** * Returns the map of variable, including build-in ones, indexed by name. * * @return {@link JRVariable JRVariable} objects indexed by name */ public Map getVariablesMap() { return variablesMap; } /** * Adds a variable to the dataset. * @param variable the variable to add * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getVariables() */ public void addVariable(JRDesignVariable variable) throws JRException { addVariable(variablesList.size(), variable, false); } /** * Inserts a variable at specified position into the dataset. * @param index the variable position * @param variable the variable to insert * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getVariables() */ public void addVariable(int index, JRDesignVariable variable) throws JRException { addVariable(index, variable, variable.isSystemDefined()); } /** * Adds a variable to the dataset. * * @param variable the variable to add * @param system whether the variable should be added before user defined variables * or at the end of the variables list * @throws JRException */ protected void addVariable(JRDesignVariable variable, boolean system) throws JRException { addVariable(variablesList.size(), variable, system); } /** * Inserts a variable at specified position into the dataset. * * @param index the variable position * @param variable the variable to insert * @param system whether the variable should be inserted before user defined variables * or at the end of the variables list * @throws JRException */ protected void addVariable(int index, JRDesignVariable variable, boolean system) throws JRException { if (variablesMap.containsKey(variable.getName())) { throw new JRException( EXCEPTION_MESSAGE_KEY_DUPLICATE_VARIABLE, new Object[]{variable.getName()}); } if (system) { // add the variable before the first non-system variable ListIterator it = variablesList.listIterator(); while (it.hasNext()) { JRVariable var = it.next(); if (!var.isSystemDefined()) { it.previous(); break; } } it.add(variable); index = it.previousIndex(); } else { variablesList.add(index, variable); } variablesMap.put(variable.getName(), variable); getEventSupport().fireCollectionElementAddedEvent(PROPERTY_VARIABLES, variable, index); } /** * Removes a variable from the dataset. * * @param variableName the variable name * @return the removed variable, or null if the variable was not found */ public JRVariable removeVariable(String variableName) { return removeVariable(variablesMap.get(variableName)); } /** * Removes a variable from the dataset. * * @param variable the variable to be removed * @return the variable to be removed */ public JRVariable removeVariable(JRVariable variable) { if (variable != null) { int idx = variablesList.indexOf(variable); if (idx >= 0) { variablesList.remove(idx); variablesMap.remove(variable.getName()); getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_VARIABLES, variable, idx); } } return variable; } @Override public JRGroup[] getGroups() { JRGroup[] groupsArray = new JRGroup[groupsList.size()]; groupsList.toArray(groupsArray); return groupsArray; } /** * Returns the list of groups. * * @return list of {@link JRGroup JRGroup} objects */ public List getGroupsList() { return groupsList; } /** * Returns the map of groups indexed by name. * * @return {@link JRGroup JRGroup} objects indexed by name */ public Map getGroupsMap() { return groupsMap; } /** * Adds a group to the dataset. * @param group the group to add * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getGroups() */ public void addGroup(JRDesignGroup group) throws JRException { addGroup(groupsList.size(), group); } /** * Inserts a group at the specified position into the dataset. * @param index the group position * @param group the group to insert * @throws JRException * @see net.sf.jasperreports.engine.JRDataset#getGroups() */ public void addGroup(int index, JRDesignGroup group) throws JRException { if (groupsMap.containsKey(group.getName())) { throw new JRException( EXCEPTION_MESSAGE_KEY_DUPLICATE_GROUP, new Object[]{group.getName()}); } JRDesignVariable countVariable = new JRDesignVariable(); countVariable.setName(group.getName() + "_COUNT"); countVariable.setValueClass(Integer.class); countVariable.setResetType(ResetTypeEnum.GROUP); countVariable.setResetGroup(group); countVariable.setCalculation(CalculationEnum.COUNT); countVariable.setSystemDefined(true); JRDesignExpression expression = new JRDesignExpression(); //expression.setValueClass(Integer.class); expression.setText("new java.lang.Integer(1)"); countVariable.setExpression(expression); expression = new JRDesignExpression(); //expression.setValueClass(Integer.class); expression.setText("new java.lang.Integer(0)"); countVariable.setInitialValueExpression(expression); addVariable(countVariable, true); group.setCountVariable(countVariable); groupsList.add(index, group); groupsMap.put(group.getName(), group); getEventSupport().fireCollectionElementAddedEvent(PROPERTY_GROUPS, group, index); } /** * Removes a group from the dataset. * * @param groupName the group name * @return the removed group, or null if the group was not found */ public JRGroup removeGroup(String groupName) { return removeGroup(groupsMap.get(groupName)); } /** * Removes a group from the dataset. * * @param group the group to be removed * @return the group to be removed */ public JRGroup removeGroup(JRGroup group) { if (group != null) { removeVariable(group.getCountVariable()); int idx = groupsList.indexOf(group); if (idx >= 0) { groupsList.remove(idx); groupsMap.remove(group.getName()); getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_GROUPS, group, idx); } } return group; } /** * Sets the base name of resource bundle to be used by the dataset. * * @param resourceBundle the resource bundle base name */ public void setResourceBundle(String resourceBundle) { Object old = this.resourceBundle; this.resourceBundle = resourceBundle; getEventSupport().firePropertyChange(PROPERTY_RESOURCE_BUNDLE, old, this.resourceBundle); } protected void queryLanguageChanged(String oldLanguage, String newLanguage) { try { if (oldLanguage != null) { QueryExecuterFactory queryExecuterFactory = JRQueryExecuterUtils.getInstance(jasperReportsContext).getExecuterFactory(oldLanguage);//FIXMECONTEXT use some thread local Object[] builtinParameters = queryExecuterFactory.getBuiltinParameters(); if (builtinParameters != null) { removeBuiltinParameters(builtinParameters); } } if (newLanguage != null) { QueryExecuterFactory queryExecuterFactory = JRQueryExecuterUtils.getInstance(jasperReportsContext).getExecuterFactory(newLanguage); Object[] builtinParameters = queryExecuterFactory.getBuiltinParameters(); if (builtinParameters != null) { addBuiltinParameters(builtinParameters); sortSystemParamsFirst(); } } } catch (JRException e) { throw new JRRuntimeException(e); } } private void sortSystemParamsFirst() { Collections.sort(parametersList, new Comparator() { @Override public int compare(JRParameter p1, JRParameter p2) { // JRParameter p1 = (JRParameter) o1; // JRParameter p2 = (JRParameter) o2; boolean s1 = p1.isSystemDefined(); boolean s2 = p2.isSystemDefined(); return s1 ? (s2 ? 0 : -1) : (s2 ? 1 : 0); } }); } private void removeBuiltinParameters(Object[] builtinParameters) { for (int i = 0; i < builtinParameters.length; i += 2) { String parameterName = (String) builtinParameters[i]; JRParameter parameter = parametersMap.get(parameterName); if (parameter != null && parameter.isSystemDefined()) { removeParameter(parameter); } } } /** * Adds/sets a property value. * * @param propName the name of the property * @param value the value of the property */ public void setProperty(String propName, String value) { //TODO event getPropertiesMap().setProperty(propName, value); } /** * Add a dynamic/expression-based property. * * @param propertyExpression the property to add * @see #getPropertyExpressions() */ public void addPropertyExpression(DatasetPropertyExpression propertyExpression) { propertyExpressions.add(propertyExpression); getEventSupport().fireCollectionElementAddedEvent(PROPERTY_PROPERTY_EXPRESSIONS, propertyExpression, propertyExpressions.size() - 1); } /** * Remove a property expression. * * @param propertyExpression the property expression to remove * @see #addPropertyExpression(DatasetPropertyExpression) */ public void removePropertyExpression(DatasetPropertyExpression propertyExpression) { int idx = propertyExpressions.indexOf(propertyExpression); if (idx >= 0) { propertyExpressions.remove(idx); getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_PROPERTY_EXPRESSIONS, propertyExpression, idx); } } /** * Remove a property expression. * * @param name the name of the property to remove * @return the removed property expression (if found) */ public DatasetPropertyExpression removePropertyExpression(String name) { DatasetPropertyExpression removed = null; for (ListIterator it = propertyExpressions.listIterator(); it.hasNext();) { DatasetPropertyExpression prop = it.next(); if (name.equals(prop.getName())) { removed = prop; int idx = it.previousIndex(); it.remove(); getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_PROPERTY_EXPRESSIONS, removed, idx); break; } } return removed; } /** * Returns the list of property expressions. * * @return the list of property expressions ({@link DatasetPropertyExpression} instances) * @see #addPropertyExpression(DatasetPropertyExpression) */ public List getPropertyExpressionsList() { return propertyExpressions; } @Override public DatasetPropertyExpression[] getPropertyExpressions() { DatasetPropertyExpression[] props; if (propertyExpressions.isEmpty()) { props = null; } else { props = propertyExpressions.toArray(new DatasetPropertyExpression[propertyExpressions.size()]); } return props; } /** * Sets the dataset filter expression. *

* The expression value class should be java.lang.Boolean. *

* * @param expression the boolean expression to use as filter expression * @see JRDataset#getFilterExpression() */ public void setFilterExpression(JRExpression expression) { Object old = this.filterExpression; this.filterExpression = expression; getEventSupport().firePropertyChange(PROPERTY_FILTER_EXPRESSION, old, this.filterExpression); } /** * */ private String getSortFieldKey(JRSortField sortField) { return sortField.getName() + "|" + sortField.getType().getName(); } /** * */ private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject(); if (sortFieldsMap == null) { sortFieldsMap = new HashMap(); } if (sortFieldsList == null) { sortFieldsList = new ArrayList(); } if (propertyExpressions == null) { propertyExpressions = new ArrayList(); } @SuppressWarnings("resource") ContextClassLoaderObjectInputStream cclois = in instanceof ContextClassLoaderObjectInputStream ? (ContextClassLoaderObjectInputStream)in : null; if (cclois == null) { jasperReportsContext = DefaultJasperReportsContext.getInstance(); } else { jasperReportsContext = cclois.getJasperReportsContext(); } //the listener is serialized, but not added to the query. //serializing the listener does not make much sense, it could have been easily recreated. addQueryLanguageListener(); } @Override public Object clone() { JRDesignDataset clone = (JRDesignDataset)super.clone(); //recreate and register the query language listener clone.queryLanguageChangeListener = clone.new QueryLanguageChangeListener(); clone.addQueryLanguageListener(); if (parametersList != null) { clone.parametersList = new ArrayList(parametersList.size()); clone.parametersMap = new HashMap(parametersList.size()); for(int i = 0; i < parametersList.size(); i++) { JRParameter parameter = JRCloneUtils.nullSafeClone(parametersList.get(i)); clone.parametersList.add(parameter); clone.parametersMap.put(parameter.getName(), parameter); } } if (fieldsList != null) { clone.fieldsList = new ArrayList(fieldsList.size()); clone.fieldsMap = new HashMap(fieldsList.size()); for(int i = 0; i < fieldsList.size(); i++) { JRField field = JRCloneUtils.nullSafeClone(fieldsList.get(i)); clone.fieldsList.add(field); clone.fieldsMap.put(field.getName(), field); } } if (sortFieldsList != null) { clone.sortFieldsList = new ArrayList(sortFieldsList.size()); clone.sortFieldsMap = new HashMap(sortFieldsList.size()); for(int i = 0; i < sortFieldsList.size(); i++) { JRSortField sortField = JRCloneUtils.nullSafeClone(sortFieldsList.get(i)); clone.sortFieldsList.add(sortField); clone.sortFieldsMap.put(getSortFieldKey(sortField), sortField); } } CloneStore cloneStore = new CloneStore(); if (variablesList != null) { clone.variablesList = new ArrayList(variablesList.size()); clone.variablesMap = new HashMap(variablesList.size()); for(int i = 0; i < variablesList.size(); i++) { JRVariable variable = cloneStore.clone(variablesList.get(i)); clone.variablesList.add(variable); clone.variablesMap.put(variable.getName(), variable); } } if (groupsList != null) { clone.groupsList = new ArrayList(groupsList.size()); clone.groupsMap = new HashMap(groupsList.size()); for(int i = 0; i < groupsList.size(); i++) { JRGroup group = cloneStore.clone(groupsList.get(i)); clone.groupsList.add(group); clone.groupsMap.put(group.getName(), group); } } clone.propertyExpressions = JRCloneUtils.cloneList(propertyExpressions); return clone; } private void addQueryLanguageListener() { if (query instanceof JRDesignQuery) { ((JRDesignQuery) query).addPropertyChangeListener(JRDesignQuery.PROPERTY_LANGUAGE, queryLanguageChangeListener); } } }




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