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304
hrmsEjb/net/sf/jasperreports/engine/xml/JRXmlLoader.java
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304
hrmsEjb/net/sf/jasperreports/engine/xml/JRXmlLoader.java
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package net.sf.jasperreports.engine.xml;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.xml.parsers.ParserConfigurationException;
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import net.sf.jasperreports.engine.JRDatasetRun;
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import net.sf.jasperreports.engine.JRException;
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import net.sf.jasperreports.engine.JRGroup;
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import net.sf.jasperreports.engine.JRVariable;
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import net.sf.jasperreports.engine.design.JRDesignChart;
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import net.sf.jasperreports.engine.design.JRDesignDataset;
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import net.sf.jasperreports.engine.design.JRDesignElement;
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import net.sf.jasperreports.engine.design.JRDesignElementDataset;
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import net.sf.jasperreports.engine.design.JRDesignImage;
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import net.sf.jasperreports.engine.design.JRDesignTextField;
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import net.sf.jasperreports.engine.design.JRDesignVariable;
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import net.sf.jasperreports.engine.design.JRValidationException;
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import net.sf.jasperreports.engine.design.JasperDesign;
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import org.apache.commons.digester.Digester;
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import org.xml.sax.InputSource;
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import org.xml.sax.SAXException;
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public class JRXmlLoader {
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private JasperDesign jasperDesign = null;
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private Collection groupReprintedElements = new ArrayList();
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private Collection groupEvaluatedImages = new ArrayList();
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private Collection groupEvaluatedTextFields = new ArrayList();
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private Collection groupEvaluatedCharts = new ArrayList();
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private Set groupBoundDatasets = new HashSet();
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private List errors = new ArrayList();
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private Digester digester = null;
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private boolean ignoreConsistencyProblems;
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public JRXmlLoader(Digester digester) {
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this.digester = digester;
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}
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public void setJasperDesign(JasperDesign jasperDesign) {
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this.jasperDesign = jasperDesign;
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}
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public Collection getGroupReprintedElements() {
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return this.groupReprintedElements;
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}
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public Collection getGroupEvaluatedImages() {
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return this.groupEvaluatedImages;
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}
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public Collection getGroupEvaluatedTextFields() {
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return this.groupEvaluatedTextFields;
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}
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public Collection getGroupEvaluatedCharts() {
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return this.groupEvaluatedCharts;
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}
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public Set getGroupBoundDatasets() {
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return this.groupBoundDatasets;
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}
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public static JasperDesign load(String sourceFileName) throws JRException {
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return load(new File(sourceFileName));
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}
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public static JasperDesign load(File file) throws JRException {
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JasperDesign jasperDesign = null;
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FileInputStream fis = null;
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try {
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fis = new FileInputStream(file);
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jasperDesign = load(fis);
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} catch (IOException e) {
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throw new JRException(e);
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} finally {
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if (fis != null)
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try {
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fis.close();
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} catch (IOException e) {}
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}
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return jasperDesign;
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}
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public static JasperDesign load(InputStream is) throws JRException {
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JasperDesign jasperDesign = null;
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JRXmlLoader xmlLoader = null;
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try {
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xmlLoader = new JRXmlLoader(JRXmlDigesterFactory.createDigester());
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} catch (ParserConfigurationException e) {
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throw new JRException(e);
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} catch (SAXException e) {
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throw new JRException(e);
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}
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jasperDesign = xmlLoader.loadXML(is);
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return jasperDesign;
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}
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public JasperDesign loadXML(InputStream is) throws JRException {
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return loadXML(new InputSource(is));
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}
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public JasperDesign loadXML(InputSource is) throws JRException {
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try {
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this.digester.push(this);
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this.digester.parse(is);
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} catch (SAXException e) {
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throw new JRException(e);
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} catch (IOException e) {
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throw new JRException(e);
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} finally {
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this.digester.clear();
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}
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if (this.errors.size() > 0) {
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Exception e = this.errors.get(0);
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if (e instanceof JRException)
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throw (JRException)e;
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throw new JRException(e);
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}
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assignGroupsToVariables(this.jasperDesign.getMainDesignDataset());
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for (Iterator it = this.jasperDesign.getDatasetsList().iterator(); it.hasNext(); ) {
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JRDesignDataset dataset = it.next();
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assignGroupsToVariables(dataset);
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}
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assignGroupsToElements();
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assignGroupsToImages();
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assignGroupsToTextFields();
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assignGroupsToCharts();
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assignGroupsToDatasets();
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return this.jasperDesign;
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}
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private void assignGroupsToVariables(JRDesignDataset dataset) throws JRException {
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JRVariable[] variables = dataset.getVariables();
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if (variables != null && variables.length > 0) {
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Map groupsMap = dataset.getGroupsMap();
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for (int i = 0; i < variables.length; i++) {
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JRDesignVariable variable = (JRDesignVariable)variables[i];
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if (variable.getResetType() == 4) {
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String groupName = null;
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JRGroup group = variable.getResetGroup();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(groupName);
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown reset group '" + groupName + "' for variable : " + variable.getName(), variable);
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variable.setResetGroup(group);
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} else {
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variable.setResetGroup(null);
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}
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if (variable.getIncrementType() == 4) {
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String groupName = null;
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JRGroup group = variable.getIncrementGroup();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(groupName);
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown increment group '" + groupName + "' for variable : " + variable.getName(), variable);
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variable.setIncrementGroup(group);
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} else {
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variable.setIncrementGroup(null);
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}
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}
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}
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}
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private void assignGroupsToElements() throws JRException {
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Map groupsMap = this.jasperDesign.getGroupsMap();
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for (Iterator it = this.groupReprintedElements.iterator(); it.hasNext(); ) {
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JRDesignElement element = it.next();
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String groupName = null;
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JRGroup group = element.getPrintWhenGroupChanges();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(group.getName());
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown reprint group '" + groupName + "' for element.", element);
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element.setPrintWhenGroupChanges(group);
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}
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}
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private void assignGroupsToImages() throws JRException {
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Map groupsMap = this.jasperDesign.getGroupsMap();
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for (Iterator it = this.groupEvaluatedImages.iterator(); it.hasNext(); ) {
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JRDesignImage image = it.next();
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String groupName = null;
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JRGroup group = image.getEvaluationGroup();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(group.getName());
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown evaluation group '" + groupName + "' for image.", image);
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image.setEvaluationGroup(group);
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}
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}
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private void assignGroupsToTextFields() throws JRException {
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Map groupsMap = this.jasperDesign.getGroupsMap();
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for (Iterator it = this.groupEvaluatedTextFields.iterator(); it.hasNext(); ) {
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JRDesignTextField textField = it.next();
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String groupName = null;
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JRGroup group = textField.getEvaluationGroup();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(group.getName());
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown evaluation group '" + groupName + "' for text field.", textField);
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textField.setEvaluationGroup(group);
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}
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}
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private void assignGroupsToCharts() throws JRException {
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Map groupsMap = this.jasperDesign.getGroupsMap();
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for (Iterator it = this.groupEvaluatedCharts.iterator(); it.hasNext(); ) {
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JRDesignChart chart = it.next();
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String groupName = null;
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JRGroup group = chart.getEvaluationGroup();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(group.getName());
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown evaluation group '" + groupName + "' for chart.", chart);
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chart.setEvaluationGroup(group);
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}
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}
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private void assignGroupsToDatasets() throws JRException {
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for (Iterator it = this.groupBoundDatasets.iterator(); it.hasNext(); ) {
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Map groupsMap;
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JRDesignElementDataset dataset = it.next();
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JRDatasetRun datasetRun = dataset.getDatasetRun();
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if (datasetRun == null) {
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groupsMap = this.jasperDesign.getGroupsMap();
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} else {
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Map datasetMap = this.jasperDesign.getDatasetMap();
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String datasetName = datasetRun.getDatasetName();
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JRDesignDataset subDataset = (JRDesignDataset)datasetMap.get(datasetName);
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if (subDataset == null)
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throw new JRException("Unknown sub dataset '" + datasetName + "' for chart dataset.");
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groupsMap = subDataset.getGroupsMap();
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}
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if (dataset.getIncrementType() == 4) {
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String groupName = null;
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JRGroup group = dataset.getIncrementGroup();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(group.getName());
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown increment group '" + groupName + "' for chart dataset.", dataset);
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dataset.setIncrementGroup(group);
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} else {
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dataset.setIncrementGroup(null);
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}
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if (dataset.getResetType() == 4) {
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String groupName = null;
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JRGroup group = dataset.getResetGroup();
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if (group != null) {
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groupName = group.getName();
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group = (JRGroup)groupsMap.get(group.getName());
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}
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if (!this.ignoreConsistencyProblems && group == null)
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throw new JRValidationException("Unknown reset group '" + groupName + "' for chart dataset.", dataset);
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dataset.setResetGroup(group);
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continue;
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}
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dataset.setResetGroup(null);
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}
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}
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public void addError(Exception e) {
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if (!this.ignoreConsistencyProblems)
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this.errors.add(e);
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}
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public boolean isIgnoreConsistencyProblems() {
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return this.ignoreConsistencyProblems;
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}
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public void setIgnoreConsistencyProblems(boolean ignoreConsistencyProblems) {
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this.ignoreConsistencyProblems = ignoreConsistencyProblems;
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}
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}
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