Java JRDataset.getFields方法代码示例

import net.sf.jasperreports.engine.JRDataset; //导入方法依赖的package包/类
private void setFields(JRDataset dataset, JRFillObjectFactory factory)
{
	JRField[] jrFields = dataset.getFields();
	if (jrFields != null && jrFields.length > 0)
	{
		fields = new JRFillField[jrFields.length];
		fieldsMap = new HashMap<String,JRFillField>();
		for (int i = 0; i < fields.length; i++)
		{
			fields[i] = factory.getField(jrFields[i]);
			fieldsMap.put(fields[i].getName(), fields[i]);
		}
	}
}
 

import net.sf.jasperreports.engine.JRDataset; //导入方法依赖的package包/类
protected void writeDatasetContents(JRDataset dataset) throws IOException
{
	/*   */
	JRScriptlet[] scriptlets = dataset.getScriptlets();
	if (scriptlets != null && scriptlets.length > 0)
	{
		for(int i = 0; i < scriptlets.length; i++)
		{
			writeScriptlet(scriptlets[i]);
		}
	}

	/*   */
	JRParameter[] parameters = dataset.getParameters();
	if (parameters != null && parameters.length > 0)
	{
		for(int i = 0; i < parameters.length; i++)
		{
			if (!parameters[i].isSystemDefined())
			{
				writeParameter(parameters[i]);
			}
		}
	}

	/*   */
	if(dataset.getQuery() != null)
	{
		writeQuery(dataset.getQuery());
	}

	/*   */
	JRField[] fields = dataset.getFields();
	if (fields != null && fields.length > 0)
	{
		for(int i = 0; i < fields.length; i++)
		{
			writeField(fields[i]);
		}
	}

	/*   */
	JRSortField[] sortFields = dataset.getSortFields();
	if (sortFields != null && sortFields.length > 0)
	{
		for(int i = 0; i < sortFields.length; i++)
		{
			writeSortField(sortFields[i]);
		}
	}

	/*   */
	JRVariable[] variables = dataset.getVariables();
	if (variables != null && variables.length > 0)
	{
		for(int i = 0; i < variables.length; i++)
		{
			if (!variables[i].isSystemDefined())
			{
				writeVariable(variables[i]);
			}
		}
	}

	writeExpression(JRXmlConstants.ELEMENT_filterExpression, dataset.getFilterExpression(), false);

	/*   */
	JRGroup[] groups = dataset.getGroups();
	if (groups != null && groups.length > 0)
	{
		for(int i = 0; i < groups.length; i++)
		{
			writeGroup(groups[i]);
		}
	}
}
 

import net.sf.jasperreports.engine.JRDataset; //导入方法依赖的package包/类
private void init(JRDataset dataset)
{
	iteratePositions = new boolean[axes.length];

	fieldMatchers = new HashMap<Object, FieldMatcher>();

	dataField = false;
	JRField[] fields = dataset.getFields();
	if (fields != null)
	{
		for (int i = 0; i < fields.length; i++)
		{
			JRField field = fields[i];
			String fieldMapping = getFieldMapping(field);
			if (log.isDebugEnabled())
			{
				log.debug("Mapping field: " + field.getName() + " - description: " + fieldMapping);
			}

			if (
				fieldMapping == null
				|| fieldMapping.trim().isEmpty()
				)
			{
				throw 
					new JRRuntimeException(
						EXCEPTION_MESSAGE_KEY_OLAP_MISSING_FIELD_MAPPING,
						new Object[]{field.getName()});
			}

			MappingLexer lexer = new MappingLexer(new StringReader(fieldMapping));
			MappingParser parser = new MappingParser(lexer);
			parser.setMappingMetadata(this);
			Mapping mapping;
			
			try
			{
				mapping = parser.mapping();
			}
			catch (ANTLRException e)
			{
				log.error("Error parsing field mapping", e);
				throw new JRRuntimeException(e);
			}

			if (mapping == null)
			{
				throw 
					new JRRuntimeException(
						EXCEPTION_MESSAGE_KEY_OLAP_INVALID_FIELD_MAPPING,
						new Object[]{fieldMapping});
			}

			processMappingMembers(mapping);

			FieldMatcher fieldMatcher = createFieldMatcher(field, mapping);
			fieldMatchers.put(field.getName(), fieldMatcher);
		}
	}

	if (!dataField)
	{
		Arrays.fill(iteratePositions, true);
	}

	initIterate();
}