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, Sam Brannen
See Also:

  • Field Details

    • DEFAULT_MAX_EXPRESSION_LENGTH

      public static final int DEFAULT_MAX_EXPRESSION_LENGTH
      Default maximum length permitted for a SpEL expression: 10000.
      Since:
      5.2.24
      See Also:

    • 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:

  • Constructor Details

    • 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

      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 Details

    • getCompilerMode

      public SpelCompilerMode getCompilerMode()
      Return the compiler mode for parsers using this configuration object.

    • getCompilerClassLoader

      public @Nullable 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