Examples with TypeDescriptor org.springframework.core.convert.TypeDescriptor used on opensource projects

Example 91 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class SpelReproTests method conversionPriority_8224.

/**
	 * Test whether {@link ReflectiveMethodResolver} follows Java Method Invocation
	 * Conversion order. And more precisely that widening reference conversion is 'higher'
	 * than a unboxing conversion.
	 */
@Test
public void conversionPriority_8224() throws Exception {
    @SuppressWarnings("unused")
    class ConversionPriority1 {

        public int getX(Number i) {
            return 20;
        }

        public int getX(int i) {
            return 10;
        }
    }
    @SuppressWarnings("unused")
    class ConversionPriority2 {

        public int getX(int i) {
            return 10;
        }

        public int getX(Number i) {
            return 20;
        }
    }
    final Integer INTEGER = Integer.valueOf(7);
    EvaluationContext emptyEvalContext = new StandardEvaluationContext();
    List<TypeDescriptor> args = new ArrayList<>();
    args.add(TypeDescriptor.forObject(new Integer(42)));
    ConversionPriority1 target = new ConversionPriority1();
    MethodExecutor me = new ReflectiveMethodResolver(true).resolve(emptyEvalContext, target, "getX", args);
    // MethodInvoker chooses getX(int i) when passing Integer
    final int actual = (Integer) me.execute(emptyEvalContext, target, new Integer(42)).getValue();
    // Compiler chooses getX(Number i) when passing Integer
    final int compiler = target.getX(INTEGER);
    // Fails!
    assertEquals(compiler, actual);
    ConversionPriority2 target2 = new ConversionPriority2();
    MethodExecutor me2 = new ReflectiveMethodResolver(true).resolve(emptyEvalContext, target2, "getX", args);
    // MethodInvoker chooses getX(int i) when passing Integer
    int actual2 = (Integer) me2.execute(emptyEvalContext, target2, new Integer(42)).getValue();
    // Compiler chooses getX(Number i) when passing Integer
    int compiler2 = target2.getX(INTEGER);
    // Fails!
    assertEquals(compiler2, actual2);
}

Example 92 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class SpelReproTests method varargsAndPrimitives_SPR8174.

@Test
public void varargsAndPrimitives_SPR8174() throws Exception {
    EvaluationContext emptyEvalContext = new StandardEvaluationContext();
    List<TypeDescriptor> args = new ArrayList<>();
    args.add(TypeDescriptor.forObject(34L));
    ReflectionUtil<Integer> ru = new ReflectionUtil<>();
    MethodExecutor me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "methodToCall", args);
    args.set(0, TypeDescriptor.forObject(23));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, 45);
    args.set(0, TypeDescriptor.forObject(23f));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, 45f);
    args.set(0, TypeDescriptor.forObject(23d));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, 23d);
    args.set(0, TypeDescriptor.forObject((short) 23));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, (short) 23);
    args.set(0, TypeDescriptor.forObject(23L));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, 23L);
    args.set(0, TypeDescriptor.forObject((char) 65));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, (char) 65);
    args.set(0, TypeDescriptor.forObject((byte) 23));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, (byte) 23);
    args.set(0, TypeDescriptor.forObject(true));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "foo", args);
    me.execute(emptyEvalContext, ru, true);
    // trickier:
    args.set(0, TypeDescriptor.forObject(12));
    args.add(TypeDescriptor.forObject(23f));
    me = new ReflectiveMethodResolver().resolve(emptyEvalContext, ru, "bar", args);
    me.execute(emptyEvalContext, ru, 12, 23f);
}

Example 93 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class SpelReproTests method wideningPrimitiveConversion_8224.

/**
	 * Test whether {@link ReflectiveMethodResolver} handles Widening Primitive Conversion. That's passing an 'int' to a
	 * method accepting 'long' is ok.
	 */
@Test
public void wideningPrimitiveConversion_8224() throws Exception {
    class WideningPrimitiveConversion {

        public int getX(long i) {
            return 10;
        }
    }
    final Integer INTEGER_VALUE = Integer.valueOf(7);
    WideningPrimitiveConversion target = new WideningPrimitiveConversion();
    EvaluationContext emptyEvalContext = new StandardEvaluationContext();
    List<TypeDescriptor> args = new ArrayList<>();
    args.add(TypeDescriptor.forObject(INTEGER_VALUE));
    MethodExecutor me = new ReflectiveMethodResolver(true).resolve(emptyEvalContext, target, "getX", args);
    final int actual = (Integer) me.execute(emptyEvalContext, target, INTEGER_VALUE).getValue();
    final int compiler = target.getX(INTEGER_VALUE);
    assertEquals(compiler, actual);
}

Example 94 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class SpelReproTests method projectionTypeDescriptors_1.

@Test
public void projectionTypeDescriptors_1() throws Exception {
    StandardEvaluationContext ctx = new StandardEvaluationContext(new C());
    SpelExpressionParser parser = new SpelExpressionParser();
    String el1 = "ls.![#this.equals('abc')]";
    SpelExpression exp = parser.parseRaw(el1);
    List<?> value = (List<?>) exp.getValue(ctx);
    // value is list containing [true,false]
    assertEquals(Boolean.class, value.get(0).getClass());
    TypeDescriptor evaluated = exp.getValueTypeDescriptor(ctx);
    assertEquals(null, evaluated.getElementTypeDescriptor());
}

Example 95 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-boot by spring-projects.

the class RelaxedDataBinder method initializePath.

private String initializePath(BeanWrapper wrapper, BeanPath path, int index) {
    String prefix = path.prefix(index);
    String key = path.name(index);
    if (path.isProperty(index)) {
        key = getActualPropertyName(wrapper, prefix, key);
        path.rename(index, key);
    }
    if (path.name(++index) == null) {
        return path.toString();
    }
    String name = path.prefix(index);
    TypeDescriptor descriptor = wrapper.getPropertyTypeDescriptor(name);
    if (descriptor == null || descriptor.isMap()) {
        if (isMapValueStringType(descriptor) || isBlanked(wrapper, name, path.name(index))) {
            path.collapseKeys(index);
        }
        path.mapIndex(index);
        extendMapIfNecessary(wrapper, path, index);
    } else if (descriptor.isCollection()) {
        extendCollectionIfNecessary(wrapper, path, index);
    } else if (descriptor.getType().equals(Object.class)) {
        if (isBlanked(wrapper, name, path.name(index))) {
            path.collapseKeys(index);
        }
        path.mapIndex(index);
        if (path.isLastNode(index)) {
            wrapper.setPropertyValue(path.toString(), BLANK);
        } else {
            String next = path.prefix(index + 1);
            if (wrapper.getPropertyValue(next) == null) {
                wrapper.setPropertyValue(next, new LinkedHashMap<String, Object>());
            }
        }
    }
    return initializePath(wrapper, path, index);
}