org.springframework.expression.spel

Class SpelParserConfiguration

java.lang.Object

org.springframework.expression.spel.SpelParserConfiguration

public class SpelParserConfiguration
extends Object

Configuration object for the SpEL expression parser.

Since:

3.0

Author:

Juergen Hoeller, Phillip Webb, Andy Clement

See Also:

SpelExpressionParser(SpelParserConfiguration)

Field Summary

Fields

Modifier and Type	Field and Description
static String	SPRING_EXPRESSION_COMPILER_MODE_PROPERTY_NAME System property to configure the default compiler mode for SpEL expression parsers: "spring.expression.compiler.mode".

Constructor Summary

Constructors

Constructor and Description
SpelParserConfiguration() Create a new SpelParserConfiguration instance with default settings.
SpelParserConfiguration(boolean autoGrowNullReferences, boolean autoGrowCollections) Create a new SpelParserConfiguration instance.
SpelParserConfiguration(boolean autoGrowNullReferences, boolean autoGrowCollections, int maximumAutoGrowSize) Create a new SpelParserConfiguration instance.
SpelParserConfiguration(SpelCompilerMode compilerMode, ClassLoader compilerClassLoader) Create a new SpelParserConfiguration instance.
SpelParserConfiguration(SpelCompilerMode compilerMode, ClassLoader compilerClassLoader, boolean autoGrowNullReferences, boolean autoGrowCollections, int maximumAutoGrowSize) Create a new SpelParserConfiguration instance.
SpelParserConfiguration(SpelCompilerMode compilerMode, ClassLoader compilerClassLoader, boolean autoGrowNullReferences, boolean autoGrowCollections, int maximumAutoGrowSize, int maximumExpressionLength) Create a new SpelParserConfiguration instance.

Method Summary

Modifier and Type	Method and Description
ClassLoader	getCompilerClassLoader() Return the ClassLoader to use as the basis for expression compilation.
SpelCompilerMode	getCompilerMode() Return the compiler mode for parsers using this configuration object.
int	getMaximumAutoGrowSize() Return the maximum size that a collection can auto grow.
int	getMaximumExpressionLength() Return the maximum number of characters that a SpEL expression can contain.
boolean	isAutoGrowCollections() Return true if collections should be automatically grown.
boolean	isAutoGrowNullReferences() Return true if null references should be automatically grown.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SPRING_EXPRESSION_COMPILER_MODE_PROPERTY_NAME

public static final String SPRING_EXPRESSION_COMPILER_MODE_PROPERTY_NAME

System property to configure the default compiler mode for SpEL expression parsers: "spring.expression.compiler.mode".

See Also:

Constant Field Values

Constructor Detail

SpelParserConfiguration

public SpelParserConfiguration()

Create a new SpelParserConfiguration instance with default settings.

SpelParserConfiguration

public SpelParserConfiguration(@Nullable
                               SpelCompilerMode compilerMode,
                               @Nullable
                               ClassLoader compilerClassLoader)

Create a new SpelParserConfiguration instance.

Parameters:

compilerMode - the compiler mode for the parser

compilerClassLoader - the ClassLoader to use as the basis for expression compilation

SpelParserConfiguration

public SpelParserConfiguration(boolean autoGrowNullReferences,
                               boolean autoGrowCollections)

Create a new SpelParserConfiguration instance.

Parameters:

autoGrowNullReferences - if null references should automatically grow

autoGrowCollections - if collections should automatically grow

See Also:

SpelParserConfiguration(boolean, boolean, int)

SpelParserConfiguration

public SpelParserConfiguration(boolean autoGrowNullReferences,
                               boolean autoGrowCollections,
                               int maximumAutoGrowSize)

Create a new SpelParserConfiguration instance.

Parameters:

autoGrowNullReferences - if null references should automatically grow

autoGrowCollections - if collections should automatically grow

maximumAutoGrowSize - the maximum size that the collection can auto grow

SpelParserConfiguration

public SpelParserConfiguration(@Nullable
                               SpelCompilerMode compilerMode,
                               @Nullable
                               ClassLoader compilerClassLoader,
                               boolean autoGrowNullReferences,
                               boolean autoGrowCollections,
                               int maximumAutoGrowSize)

Create a new SpelParserConfiguration instance.

Parameters:

compilerMode - the compiler mode that parsers using this configuration object should use

compilerClassLoader - the ClassLoader to use as the basis for expression compilation

autoGrowNullReferences - if null references should automatically grow

autoGrowCollections - if collections should automatically grow

maximumAutoGrowSize - the maximum size that the collection can auto grow

SpelParserConfiguration

public SpelParserConfiguration(@Nullable
                               SpelCompilerMode compilerMode,
                               @Nullable
                               ClassLoader compilerClassLoader,
                               boolean autoGrowNullReferences,
                               boolean autoGrowCollections,
                               int maximumAutoGrowSize,
                               int maximumExpressionLength)

Create a new SpelParserConfiguration instance.

Parameters:

compilerMode - the compiler mode that parsers using this configuration object should use

compilerClassLoader - the ClassLoader to use as the basis for expression compilation

autoGrowNullReferences - if null references should automatically grow

autoGrowCollections - if collections should automatically grow

maximumAutoGrowSize - the maximum size that a collection can auto grow

maximumExpressionLength - the maximum length of a SpEL expression; must be a positive number

Since:

5.2.25

Method Detail

getCompilerMode

public SpelCompilerMode getCompilerMode()

Return the compiler mode for parsers using this configuration object.

getCompilerClassLoader

@Nullable
public ClassLoader getCompilerClassLoader()

Return the ClassLoader to use as the basis for expression compilation.

isAutoGrowNullReferences

public boolean isAutoGrowNullReferences()

Return true if null references should be automatically grown.

isAutoGrowCollections

public boolean isAutoGrowCollections()

Return true if collections should be automatically grown.

getMaximumAutoGrowSize

public int getMaximumAutoGrowSize()

Return the maximum size that a collection can auto grow.

getMaximumExpressionLength

public int getMaximumExpressionLength()

Return the maximum number of characters that a SpEL expression can contain.

Since:

5.2.25