程序包 cn.taketoday.expression.spel.ast

类 OperatorMatches

java.lang.Object

cn.taketoday.expression.spel.ast.SpelNodeImpl

cn.taketoday.expression.spel.ast.Operator

cn.taketoday.expression.spel.ast.OperatorMatches

所有已实现的接口:

Opcodes, SpelNode

public class OperatorMatches
extends Operator

Implements the matches operator. Matches takes two operands: The first is a String and the second is a Java regex. It will return true when SpelNodeImpl.getValue(cn.taketoday.expression.spel.ExpressionState) is called if the first operand matches the regex.

从以下版本开始:

4.0

作者:

Andy Clement, Juergen Hoeller, Sam Brannen, Harry Yang

嵌套类概要

嵌套类

修饰符和类型	类	说明
private static class	OperatorMatches.AccessCount
private static class	OperatorMatches.MatcherInput

从类继承的嵌套类/接口 cn.taketoday.expression.spel.ast.Operator

Operator.DescriptorComparison

字段概要

字段

修饰符和类型	字段	说明
private static final int	MAX_REGEX_LENGTH	Maximum number of characters permitted in a regular expression.
private static final int	PATTERN_ACCESS_THRESHOLD
private final ConcurrentMap<String,Pattern>	patternCache

从类继承的字段 cn.taketoday.expression.spel.ast.Operator

leftActualDescriptor, rightActualDescriptor

从类继承的字段 cn.taketoday.expression.spel.ast.SpelNodeImpl

children, exitTypeDescriptor

从接口继承的字段 cn.taketoday.bytecode.Opcodes

AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_MANDATED, ACC_MODULE, ACC_NATIVE, ACC_OPEN, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_RECORD, ACC_STATIC, ACC_STATIC_PHASE, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_TRANSITIVE, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, H_GETFIELD, H_GETSTATIC, H_INVOKEINTERFACE, H_INVOKESPECIAL, H_INVOKESTATIC, H_INVOKEVIRTUAL, H_NEWINVOKESPECIAL, H_PUTFIELD, H_PUTSTATIC, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JAVA_VERSION, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PRIVATE_FINAL_STATIC, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SOURCE_DEPRECATED, SOURCE_MASK, SWAP, SWITCH_STYLE_HASH, SWITCH_STYLE_HASHONLY, SWITCH_STYLE_TRIE, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V_PREVIEW, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8, V10, V11, V12, V13, V14, V15, V16, V17, V18, V19, V20, V21, V9

构造器概要

构造器

构造器	说明
OperatorMatches(ConcurrentMap<String,Pattern> patternCache, int startPos, int endPos, SpelNodeImpl... operands)	Create a new OperatorMatches instance with a shared pattern cache.

方法概要

修饰符和类型	方法	说明
private void	checkRegexLength(String regex)
BooleanTypedValue	getValueInternal(ExpressionState state)	Check the first operand matches the regex specified as the second operand.

从类继承的方法 cn.taketoday.expression.spel.ast.Operator

equalityCheck, generateComparisonCode, getLeftOperand, getOperatorName, getRightOperand, isCompilableOperatorUsingNumerics, toStringAST

从类继承的方法 cn.taketoday.expression.spel.ast.SpelNodeImpl

generateCode, generateCodeForArgument, generateCodeForArguments, getChild, getChildCount, getEndPosition, getExitDescriptor, getObjectClass, getStartPosition, getTypedValue, getValue, getValue, getValueRef, isCompilable, isWritable, nextChildIs, setValue, setValueInternal

从类继承的方法 java.lang.Object

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

字段详细资料

PATTERN_ACCESS_THRESHOLD

private static final int PATTERN_ACCESS_THRESHOLD

另请参阅:

• 常量字段值

MAX_REGEX_LENGTH

private static final int MAX_REGEX_LENGTH

Maximum number of characters permitted in a regular expression.

另请参阅:

• 常量字段值

patternCache

private final ConcurrentMap<String,Pattern> patternCache

构造器详细资料

OperatorMatches

public OperatorMatches(ConcurrentMap<String,Pattern> patternCache,
 int startPos,
 int endPos,
 SpelNodeImpl... operands)

Create a new OperatorMatches instance with a shared pattern cache.

方法详细资料

getValueInternal

public BooleanTypedValue getValueInternal(ExpressionState state)
                                   throws EvaluationException

Check the first operand matches the regex specified as the second operand.

指定者:

getValueInternal 在类中 SpelNodeImpl

参数:

state - the expression state

返回:

true if the first operand matches the regex specified as the second operand, otherwise false

抛出:

EvaluationException - if there is a problem evaluating the expression (e.g. the regex is invalid)

checkRegexLength

private void checkRegexLength(String regex)