org.springframework.context.expression

类 MapAccessor

java.lang.Object

org.springframework.context.expression.MapAccessor

所有已实现的接口:

org.springframework.asm.Opcodes, org.springframework.expression.PropertyAccessor, org.springframework.expression.spel.CompilablePropertyAccessor

public class MapAccessor
extends Object
implements org.springframework.expression.spel.CompilablePropertyAccessor

EL property accessor that knows how to traverse the keys of a standard Map.

从以下版本开始:

3.0

作者:

Juergen Hoeller, Andy Clement

字段概要

从接口继承的字段 org.springframework.asm.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, ASM10_EXPERIMENTAL, ASM4, ASM5, ASM6, ASM7, ASM8, ASM9, 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, 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, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SOURCE_DEPRECATED, SOURCE_MASK, SWAP, 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

构造器和说明
MapAccessor()

方法概要

限定符和类型	方法和说明
boolean	canRead(org.springframework.expression.EvaluationContext context, Object target, String name)
boolean	canWrite(org.springframework.expression.EvaluationContext context, Object target, String name)
void	generateCode(String propertyName, org.springframework.asm.MethodVisitor mv, org.springframework.expression.spel.CodeFlow cf)
Class<?>	getPropertyType()
Class<?>[]	getSpecificTargetClasses()
boolean	isCompilable()
org.springframework.expression.TypedValue	read(org.springframework.expression.EvaluationContext context, Object target, String name)
void	write(org.springframework.expression.EvaluationContext context, Object target, String name, Object newValue)

从类继承的方法 java.lang.Object

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

构造器详细资料

MapAccessor

public MapAccessor()

方法详细资料

getSpecificTargetClasses

public Class<?>[] getSpecificTargetClasses()

指定者:

getSpecificTargetClasses 在接口中 org.springframework.expression.PropertyAccessor

canRead

public boolean canRead(org.springframework.expression.EvaluationContext context,
                       @Nullable
                       Object target,
                       String name)

指定者:

canRead 在接口中 org.springframework.expression.PropertyAccessor

read

public org.springframework.expression.TypedValue read(org.springframework.expression.EvaluationContext context,
                                                      @Nullable
                                                      Object target,
                                                      String name)
                                               throws org.springframework.expression.AccessException

指定者:

read 在接口中 org.springframework.expression.PropertyAccessor

抛出:

org.springframework.expression.AccessException

canWrite

public boolean canWrite(org.springframework.expression.EvaluationContext context,
                        @Nullable
                        Object target,
                        String name)

指定者:

canWrite 在接口中 org.springframework.expression.PropertyAccessor

write

public void write(org.springframework.expression.EvaluationContext context,
                  @Nullable
                  Object target,
                  String name,
                  @Nullable
                  Object newValue)

指定者:

write 在接口中 org.springframework.expression.PropertyAccessor

isCompilable

public boolean isCompilable()

指定者:

isCompilable 在接口中 org.springframework.expression.spel.CompilablePropertyAccessor

getPropertyType

public Class<?> getPropertyType()

指定者:

getPropertyType 在接口中 org.springframework.expression.spel.CompilablePropertyAccessor

generateCode

public void generateCode(String propertyName,
                         org.springframework.asm.MethodVisitor mv,
                         org.springframework.expression.spel.CodeFlow cf)

指定者:

generateCode 在接口中 org.springframework.expression.spel.CompilablePropertyAccessor