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## Package net.sf.jasperreports.engine.util

Utility classes.

See:
Description

Interface Summary
BigDecimalHandler | `BigDecimal` handler interface used by `BigDecimalUtils`.
FileResolver |
FormatFactory |
JRImageEncoder |
JRImageReader |
JRQueryChunkHandler | A query chunk handler.
JRValueStringUtils.ValueSerializer |
MarkupProcessor |
MarkupProcessorFactory |
ProtectionDomainFactory | `ProtectionDomain` factory that is used by `JRClassLoader` to create per-instance protection domains.
ReportCreator |
ReportUpdater |

Class Summary
AbstractSampleApp |
BigDecimalUtils | Utility methods for `BigDecimal` handling.
BreakIteratorSplitCharacter | Implementation of `SplitCharacter` that uses the same logic as AWT to break texts into lines.
BreakIteratorSplitCharacter.ArrayCharIterator |
ClassLoaderResource | Details of a resource found on a classloader.
ClassUtils | Class utilities.
CompositeClassloader | A composite classloader that has a parent classloader and an alternate classloader.
ContextClassLoaderObjectInputStream | A subclass of `ObjectInputStream` that uses `the context class loader` to resolve classes encountered in the input stream.
DefaultFormatFactory |
DelegatePropertiesHolder |
FileBufferedOutputStream |
FileBufferedWriter |
Java14BigDecimalHandler | `BigDecimalHandler` implementation used on Java 1.4.
Java15BigDecimalHandler | `BigDecimalHandler` implementation used on Java 1.5 or newer.
JdkGlyphFixTextMeasurer | A text measurer implementation that extends `the default text measurer` and adds a workaround for Sun JDK bug | JdkGlyphFixTextMeasurerFactory | Factory of `JdkGlyphFixTextMeasurer` instances.
JEditorPaneHtmlMarkupProcessor |
JEditorPaneMarkupProcessor |
JEditorPaneMarkupProcessor.HtmlFactory |
JEditorPaneMarkupProcessor.RtfFactory |
JEditorPaneRtfMarkupProcessor |
JRAbstractImageEncoder |
JRApiWriter | A writer that generates the Java code required to produce a given report template programmatically, using the JasperReports API.
JRBoxUtil |
JRClassLoader |
JRCloneUtils | Cloning related utility methods.
JRColorUtil |
JRConcurrentSwapFile | `JRSwapFile` derived class that uses a `FileChannel` to perform concurrent I/O on the swap file.
JRDataUtils |
JRDateLocaleConverter | A Converter class dedicated for the java.util.Date type.
JRDelegationVisitor | Abstract delegation visitor.
JRElementsVisitor | Report elements visitor.
JRExpressionUtil |
JRFloatLocaleConverter | `FloatLocaleConverter` extension that fixes https://issues.apache.org/jira/browse/BEANUTILS-351 To be removed on upgrade to BeanUtils 1.8.1.
JRFontUtil |
JRGraphEnvInitializer |
JRImageLoader |
JRJdk13ImageReader |
JRJdk14ImageEncoder |
JRJdk14ImageReader |
JRLoader |
JRPenUtil |
JRProperties | Class that provides static methods for loading, getting and setting properties.
JRProperties.PropertySuffix | Class used by `JRProperties.getProperties(String)`.
JRQueryExecuterUtils | Query executer utility class.
JRQueryParser | Report query parser.
JRReportUtils |
JRResourcesUtil | Provides methods for resource resolution via class loaders or URL stream handlers.
JRSaver |
JRSingletonCache | Utility to use as a soft cache of singleton instances.
JRStringUtil |
JRStyledText |
JRStyledText.Run |
JRStyledTextParser |
JRStyleResolver |
JRSwapFile | Swap file implementation that can be used as a disk cache for arbitrary binary data.
JRSwapFile.LongQueue |
JRSwapFile.SwapHandle |
JRTextAttribute |
JRTextMeasurerUtil | Text measurer utility class.
JRTypeSniffer |
JRValueStringUtils | Utility class used to serialize/deserialize value objects to/from String values.
JRValueStringUtils.BigDecimalSerializer |
JRValueStringUtils.BigIntegerSerializer |
JRValueStringUtils.BooleanSerializer |
JRValueStringUtils.ByteSerializer |
JRValueStringUtils.CharacterSerializer |
JRValueStringUtils.DateSerializer |
JRValueStringUtils.DefaultSerializer |
JRValueStringUtils.DoubleSerializer |
JRValueStringUtils.FloatSerializer |
JRValueStringUtils.IntegerSerializer |
JRValueStringUtils.LongSerializer |
JRValueStringUtils.ShortSerializer |
JRValueStringUtils.StringSerializer |
JRValueStringUtils.TimeSerializer |
JRValueStringUtils.TimestampSerializer |
JRVisitorSupport | Abstract implementation of `JRVisitor` that has empty visit methods for all visitable types.
JRXmlUtils | XML parsing utilities.
JRXmlWriteHelper |
JRXmlWriteHelper.Attribute |
JRXmlWriteHelper.StackElement |
LegacyBorderOffsetUpdater |
LineBoxWrapper |
MaxFontSizeFinder |
Pair | Utility class used to pair two objects.
SimpleFileResolver |
SingleProtectionDomainFactory | Implementation of `ProtectionDomainFactory` that wraps a single protection domain.
ThreadLocalStack | Thread local stack utility class.
UniformElementVisitor | An abstract visitor class that treats all report elements in the same way.
XmlNamespace | An XML namespace.

Exception Summary
JRFontNotFoundException | Exception raised when a font name used as value for the `fontName` attribute in the report template, is not found in any of the runtime available JasperReports font extensions, nor among the font names available to the Java Virtual Machine.

## Package net.sf.jasperreports.engine.util Description

Utility classes.

## Related Documentation

- JasperReports Tutorial

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