org.springframework.expression.MethodResolver Java Examples
The following examples show how to use
org.springframework.expression.MethodResolver.
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Example #1
Source File: MethodReference.java From spring-analysis-note with MIT License | 6 votes |
@Nullable private MethodExecutor getCachedExecutor(EvaluationContext evaluationContext, Object value, @Nullable TypeDescriptor target, List<TypeDescriptor> argumentTypes) { List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); if (methodResolvers.size() != 1 || !(methodResolvers.get(0) instanceof ReflectiveMethodResolver)) { // Not a default ReflectiveMethodResolver - don't know whether caching is valid return null; } CachedMethodExecutor executorToCheck = this.cachedExecutor; if (executorToCheck != null && executorToCheck.isSuitable(value, target, argumentTypes)) { return executorToCheck.get(); } this.cachedExecutor = null; return null; }
Example #2
Source File: EvaluationTests.java From java-technology-stack with MIT License | 6 votes |
/** * Verifies behavior requested in SPR-9621. */ @Test public void customMethodFilter() { StandardEvaluationContext context = new StandardEvaluationContext(); // Register a custom MethodResolver... List<MethodResolver> customResolvers = new ArrayList<>(); customResolvers.add(new CustomMethodResolver()); context.setMethodResolvers(customResolvers); // or simply... // context.setMethodResolvers(new ArrayList<MethodResolver>()); // Register a custom MethodFilter... MethodFilter filter = new CustomMethodFilter(); try { context.registerMethodFilter(String.class, filter); fail("should have failed"); } catch (IllegalStateException ise) { assertEquals( "Method filter cannot be set as the reflective method resolver is not in use", ise.getMessage()); } }
Example #3
Source File: MethodInvocationTests.java From java-technology-stack with MIT License | 6 votes |
@Test public void testAddingMethodResolvers() { StandardEvaluationContext ctx = new StandardEvaluationContext(); // reflective method accessor is the only one by default List<MethodResolver> methodResolvers = ctx.getMethodResolvers(); assertEquals(1, methodResolvers.size()); MethodResolver dummy = new DummyMethodResolver(); ctx.addMethodResolver(dummy); assertEquals(2, ctx.getMethodResolvers().size()); List<MethodResolver> copy = new ArrayList<>(); copy.addAll(ctx.getMethodResolvers()); assertTrue(ctx.removeMethodResolver(dummy)); assertFalse(ctx.removeMethodResolver(dummy)); assertEquals(1, ctx.getMethodResolvers().size()); ctx.setMethodResolvers(copy); assertEquals(2, ctx.getMethodResolvers().size()); }
Example #4
Source File: SpelReproTests.java From java-technology-stack with MIT License | 6 votes |
/** * Test the ability to subclass the ReflectiveMethodResolver and change how it * determines the set of methods for a type. */ @Test public void customStaticFunctions_SPR9038() { ExpressionParser parser = new SpelExpressionParser(); StandardEvaluationContext context = new StandardEvaluationContext(); List<MethodResolver> methodResolvers = new ArrayList<>(); methodResolvers.add(new ReflectiveMethodResolver() { @Override protected Method[] getMethods(Class<?> type) { try { return new Method[] {Integer.class.getDeclaredMethod("parseInt", String.class, Integer.TYPE)}; } catch (NoSuchMethodException ex) { return new Method[0]; } } }); context.setMethodResolvers(methodResolvers); Expression expression = parser.parseExpression("parseInt('-FF', 16)"); Integer result = expression.getValue(context, "", Integer.class); assertEquals(-255, result.intValue()); }
Example #5
Source File: MethodReference.java From lams with GNU General Public License v2.0 | 6 votes |
private MethodExecutor getCachedExecutor(EvaluationContext evaluationContext, Object value, TypeDescriptor target, List<TypeDescriptor> argumentTypes) { List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); if (methodResolvers == null || methodResolvers.size() != 1 || !(methodResolvers.get(0) instanceof ReflectiveMethodResolver)) { // Not a default ReflectiveMethodResolver - don't know whether caching is valid return null; } CachedMethodExecutor executorToCheck = this.cachedExecutor; if (executorToCheck != null && executorToCheck.isSuitable(value, target, argumentTypes)) { return executorToCheck.get(); } this.cachedExecutor = null; return null; }
Example #6
Source File: MethodReference.java From java-technology-stack with MIT License | 6 votes |
@Nullable private MethodExecutor getCachedExecutor(EvaluationContext evaluationContext, Object value, @Nullable TypeDescriptor target, List<TypeDescriptor> argumentTypes) { List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); if (methodResolvers.size() != 1 || !(methodResolvers.get(0) instanceof ReflectiveMethodResolver)) { // Not a default ReflectiveMethodResolver - don't know whether caching is valid return null; } CachedMethodExecutor executorToCheck = this.cachedExecutor; if (executorToCheck != null && executorToCheck.isSuitable(value, target, argumentTypes)) { return executorToCheck.get(); } this.cachedExecutor = null; return null; }
Example #7
Source File: SpelReproTests.java From spring-analysis-note with MIT License | 6 votes |
/** * Test the ability to subclass the ReflectiveMethodResolver and change how it * determines the set of methods for a type. */ @Test public void customStaticFunctions_SPR9038() { ExpressionParser parser = new SpelExpressionParser(); StandardEvaluationContext context = new StandardEvaluationContext(); List<MethodResolver> methodResolvers = new ArrayList<>(); methodResolvers.add(new ReflectiveMethodResolver() { @Override protected Method[] getMethods(Class<?> type) { try { return new Method[] {Integer.class.getDeclaredMethod("parseInt", String.class, Integer.TYPE)}; } catch (NoSuchMethodException ex) { return new Method[0]; } } }); context.setMethodResolvers(methodResolvers); Expression expression = parser.parseExpression("parseInt('-FF', 16)"); Integer result = expression.getValue(context, "", Integer.class); assertEquals(-255, result.intValue()); }
Example #8
Source File: MethodInvocationTests.java From spring-analysis-note with MIT License | 6 votes |
@Test public void testAddingMethodResolvers() { StandardEvaluationContext ctx = new StandardEvaluationContext(); // reflective method accessor is the only one by default List<MethodResolver> methodResolvers = ctx.getMethodResolvers(); assertEquals(1, methodResolvers.size()); MethodResolver dummy = new DummyMethodResolver(); ctx.addMethodResolver(dummy); assertEquals(2, ctx.getMethodResolvers().size()); List<MethodResolver> copy = new ArrayList<>(); copy.addAll(ctx.getMethodResolvers()); assertTrue(ctx.removeMethodResolver(dummy)); assertFalse(ctx.removeMethodResolver(dummy)); assertEquals(1, ctx.getMethodResolvers().size()); ctx.setMethodResolvers(copy); assertEquals(2, ctx.getMethodResolvers().size()); }
Example #9
Source File: EvaluationTests.java From spring-analysis-note with MIT License | 6 votes |
/** * Verifies behavior requested in SPR-9621. */ @Test public void customMethodFilter() { StandardEvaluationContext context = new StandardEvaluationContext(); // Register a custom MethodResolver... List<MethodResolver> customResolvers = new ArrayList<>(); customResolvers.add(new CustomMethodResolver()); context.setMethodResolvers(customResolvers); // or simply... // context.setMethodResolvers(new ArrayList<MethodResolver>()); // Register a custom MethodFilter... MethodFilter filter = new CustomMethodFilter(); try { context.registerMethodFilter(String.class, filter); fail("should have failed"); } catch (IllegalStateException ise) { assertEquals( "Method filter cannot be set as the reflective method resolver is not in use", ise.getMessage()); } }
Example #10
Source File: MethodReference.java From lams with GNU General Public License v2.0 | 6 votes |
private MethodExecutor findAccessorForMethod(String name, List<TypeDescriptor> argumentTypes, Object targetObject, EvaluationContext evaluationContext) throws SpelEvaluationException { List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); if (methodResolvers != null) { for (MethodResolver methodResolver : methodResolvers) { try { MethodExecutor methodExecutor = methodResolver.resolve( evaluationContext, targetObject, name, argumentTypes); if (methodExecutor != null) { return methodExecutor; } } catch (AccessException ex) { throw new SpelEvaluationException(getStartPosition(), ex, SpelMessage.PROBLEM_LOCATING_METHOD, name, targetObject.getClass()); } } } throw new SpelEvaluationException(getStartPosition(), SpelMessage.METHOD_NOT_FOUND, FormatHelper.formatMethodForMessage(name, argumentTypes), FormatHelper.formatClassNameForMessage( targetObject instanceof Class ? ((Class<?>) targetObject) : targetObject.getClass())); }
Example #11
Source File: MethodReference.java From spring4-understanding with Apache License 2.0 | 6 votes |
private MethodExecutor getCachedExecutor(EvaluationContext evaluationContext, Object value, TypeDescriptor target, List<TypeDescriptor> argumentTypes) { List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); if (methodResolvers == null || methodResolvers.size() != 1 || !(methodResolvers.get(0) instanceof ReflectiveMethodResolver)) { // Not a default ReflectiveMethodResolver - don't know whether caching is valid return null; } CachedMethodExecutor executorToCheck = this.cachedExecutor; if (executorToCheck != null && executorToCheck.isSuitable(value, target, argumentTypes)) { return executorToCheck.get(); } this.cachedExecutor = null; return null; }
Example #12
Source File: MethodReference.java From spring4-understanding with Apache License 2.0 | 6 votes |
private MethodExecutor findAccessorForMethod(String name, List<TypeDescriptor> argumentTypes, Object targetObject, EvaluationContext evaluationContext) throws SpelEvaluationException { List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); if (methodResolvers != null) { for (MethodResolver methodResolver : methodResolvers) { try { MethodExecutor methodExecutor = methodResolver.resolve( evaluationContext, targetObject, name, argumentTypes); if (methodExecutor != null) { return methodExecutor; } } catch (AccessException ex) { throw new SpelEvaluationException(getStartPosition(), ex, SpelMessage.PROBLEM_LOCATING_METHOD, name, targetObject.getClass()); } } } throw new SpelEvaluationException(getStartPosition(), SpelMessage.METHOD_NOT_FOUND, FormatHelper.formatMethodForMessage(name, argumentTypes), FormatHelper.formatClassNameForMessage( targetObject instanceof Class ? ((Class<?>) targetObject) : targetObject.getClass())); }
Example #13
Source File: EvaluationTests.java From spring4-understanding with Apache License 2.0 | 6 votes |
/** * Verifies behavior requested in SPR-9621. */ @Test public void customMethodFilter() throws Exception { StandardEvaluationContext context = new StandardEvaluationContext(); // Register a custom MethodResolver... List<MethodResolver> customResolvers = new ArrayList<MethodResolver>(); customResolvers.add(new CustomMethodResolver()); context.setMethodResolvers(customResolvers); // or simply... // context.setMethodResolvers(new ArrayList<MethodResolver>()); // Register a custom MethodFilter... MethodFilter filter = new CustomMethodFilter(); try { context.registerMethodFilter(String.class, filter); fail("should have failed"); } catch (IllegalStateException ise) { assertEquals( "Method filter cannot be set as the reflective method resolver is not in use", ise.getMessage()); } }
Example #14
Source File: MethodInvocationTests.java From spring4-understanding with Apache License 2.0 | 6 votes |
@Test public void testAddingMethodResolvers() { StandardEvaluationContext ctx = new StandardEvaluationContext(); // reflective method accessor is the only one by default List<MethodResolver> methodResolvers = ctx.getMethodResolvers(); assertEquals(1, methodResolvers.size()); MethodResolver dummy = new DummyMethodResolver(); ctx.addMethodResolver(dummy); assertEquals(2, ctx.getMethodResolvers().size()); List<MethodResolver> copy = new ArrayList<MethodResolver>(); copy.addAll(ctx.getMethodResolvers()); assertTrue(ctx.removeMethodResolver(dummy)); assertFalse(ctx.removeMethodResolver(dummy)); assertEquals(1, ctx.getMethodResolvers().size()); ctx.setMethodResolvers(copy); assertEquals(2, ctx.getMethodResolvers().size()); }
Example #15
Source File: SpelReproTests.java From spring4-understanding with Apache License 2.0 | 6 votes |
/** * Test the ability to subclass the ReflectiveMethodResolver and change how it * determines the set of methods for a type. */ @Test public void customStaticFunctions_SPR9038() { ExpressionParser parser = new SpelExpressionParser(); StandardEvaluationContext context = new StandardEvaluationContext(); List<MethodResolver> methodResolvers = new ArrayList<MethodResolver>(); methodResolvers.add(new ReflectiveMethodResolver() { @Override protected Method[] getMethods(Class<?> type) { try { return new Method[] { Integer.class.getDeclaredMethod("parseInt", new Class<?>[] {String.class, Integer.TYPE})}; } catch (NoSuchMethodException ex) { return new Method[0]; } } }); context.setMethodResolvers(methodResolvers); Expression expression = parser.parseExpression("parseInt('-FF', 16)"); Integer result = expression.getValue(context, "", Integer.class); assertEquals(-255, result.intValue()); }
Example #16
Source File: StandardEvaluationContext.java From lams with GNU General Public License v2.0 | 5 votes |
private synchronized void initializeMethodResolvers() { if (this.methodResolvers == null) { List<MethodResolver> defaultResolvers = new ArrayList<MethodResolver>(); this.reflectiveMethodResolver = new ReflectiveMethodResolver(); defaultResolvers.add(this.reflectiveMethodResolver); this.methodResolvers = defaultResolvers; } }
Example #17
Source File: StandardEvaluationContext.java From spring4-understanding with Apache License 2.0 | 5 votes |
private synchronized void initializeMethodResolvers() { if (this.methodResolvers == null) { List<MethodResolver> defaultResolvers = new ArrayList<MethodResolver>(); this.reflectiveMethodResolver = new ReflectiveMethodResolver(); defaultResolvers.add(this.reflectiveMethodResolver); this.methodResolvers = defaultResolvers; } }
Example #18
Source File: MethodReference.java From spring-analysis-note with MIT License | 5 votes |
private MethodExecutor findAccessorForMethod(List<TypeDescriptor> argumentTypes, Object targetObject, EvaluationContext evaluationContext) throws SpelEvaluationException { AccessException accessException = null; List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); for (MethodResolver methodResolver : methodResolvers) { try { MethodExecutor methodExecutor = methodResolver.resolve( evaluationContext, targetObject, this.name, argumentTypes); if (methodExecutor != null) { return methodExecutor; } } catch (AccessException ex) { accessException = ex; break; } } String method = FormatHelper.formatMethodForMessage(this.name, argumentTypes); String className = FormatHelper.formatClassNameForMessage( targetObject instanceof Class ? ((Class<?>) targetObject) : targetObject.getClass()); if (accessException != null) { throw new SpelEvaluationException( getStartPosition(), accessException, SpelMessage.PROBLEM_LOCATING_METHOD, method, className); } else { throw new SpelEvaluationException(getStartPosition(), SpelMessage.METHOD_NOT_FOUND, method, className); } }
Example #19
Source File: StandardEvaluationContext.java From java-technology-stack with MIT License | 5 votes |
private List<MethodResolver> initMethodResolvers() { List<MethodResolver> resolvers = this.methodResolvers; if (resolvers == null) { resolvers = new ArrayList<>(1); this.reflectiveMethodResolver = new ReflectiveMethodResolver(); resolvers.add(this.reflectiveMethodResolver); this.methodResolvers = resolvers; } return resolvers; }
Example #20
Source File: SimpleEvaluationContext.java From spring-analysis-note with MIT License | 5 votes |
private SimpleEvaluationContext(List<PropertyAccessor> accessors, List<MethodResolver> resolvers, @Nullable TypeConverter converter, @Nullable TypedValue rootObject) { this.propertyAccessors = accessors; this.methodResolvers = resolvers; this.typeConverter = (converter != null ? converter : new StandardTypeConverter()); this.rootObject = (rootObject != null ? rootObject : TypedValue.NULL); }
Example #21
Source File: SimpleEvaluationContext.java From java-technology-stack with MIT License | 5 votes |
/** * Register the specified {@link MethodResolver} delegates for * a combination of property access and method resolution. * @param resolvers the resolver delegates to use * @see #withInstanceMethods() * @see SimpleEvaluationContext#forPropertyAccessors */ public Builder withMethodResolvers(MethodResolver... resolvers) { for (MethodResolver resolver : resolvers) { if (resolver.getClass() == ReflectiveMethodResolver.class) { throw new IllegalArgumentException("SimpleEvaluationContext is not designed for use with a plain " + "ReflectiveMethodResolver. Consider using DataBindingMethodResolver or a custom subclass."); } } this.resolvers = Arrays.asList(resolvers); return this; }
Example #22
Source File: SimpleEvaluationContext.java From spring-analysis-note with MIT License | 5 votes |
/** * Register the specified {@link MethodResolver} delegates for * a combination of property access and method resolution. * @param resolvers the resolver delegates to use * @see #withInstanceMethods() * @see SimpleEvaluationContext#forPropertyAccessors */ public Builder withMethodResolvers(MethodResolver... resolvers) { for (MethodResolver resolver : resolvers) { if (resolver.getClass() == ReflectiveMethodResolver.class) { throw new IllegalArgumentException("SimpleEvaluationContext is not designed for use with a plain " + "ReflectiveMethodResolver. Consider using DataBindingMethodResolver or a custom subclass."); } } this.resolvers = Arrays.asList(resolvers); return this; }
Example #23
Source File: SimpleEvaluationContext.java From java-technology-stack with MIT License | 5 votes |
private SimpleEvaluationContext(List<PropertyAccessor> accessors, List<MethodResolver> resolvers, @Nullable TypeConverter converter, @Nullable TypedValue rootObject) { this.propertyAccessors = accessors; this.methodResolvers = resolvers; this.typeConverter = (converter != null ? converter : new StandardTypeConverter()); this.rootObject = (rootObject != null ? rootObject : TypedValue.NULL); }
Example #24
Source File: MethodReference.java From java-technology-stack with MIT License | 5 votes |
private MethodExecutor findAccessorForMethod(List<TypeDescriptor> argumentTypes, Object targetObject, EvaluationContext evaluationContext) throws SpelEvaluationException { AccessException accessException = null; List<MethodResolver> methodResolvers = evaluationContext.getMethodResolvers(); for (MethodResolver methodResolver : methodResolvers) { try { MethodExecutor methodExecutor = methodResolver.resolve( evaluationContext, targetObject, this.name, argumentTypes); if (methodExecutor != null) { return methodExecutor; } } catch (AccessException ex) { accessException = ex; break; } } String method = FormatHelper.formatMethodForMessage(this.name, argumentTypes); String className = FormatHelper.formatClassNameForMessage( targetObject instanceof Class ? ((Class<?>) targetObject) : targetObject.getClass()); if (accessException != null) { throw new SpelEvaluationException( getStartPosition(), accessException, SpelMessage.PROBLEM_LOCATING_METHOD, method, className); } else { throw new SpelEvaluationException(getStartPosition(), SpelMessage.METHOD_NOT_FOUND, method, className); } }
Example #25
Source File: StandardEvaluationContext.java From spring-analysis-note with MIT License | 5 votes |
private List<MethodResolver> initMethodResolvers() { List<MethodResolver> resolvers = this.methodResolvers; if (resolvers == null) { resolvers = new ArrayList<>(1); this.reflectiveMethodResolver = new ReflectiveMethodResolver(); resolvers.add(this.reflectiveMethodResolver); this.methodResolvers = resolvers; } return resolvers; }
Example #26
Source File: StandardEvaluationContext.java From lams with GNU General Public License v2.0 | 4 votes |
public boolean removeMethodResolver(MethodResolver methodResolver) { ensureMethodResolversInitialized(); return this.methodResolvers.remove(methodResolver); }
Example #27
Source File: SpelTaskEvaluator.java From piper with Apache License 2.0 | 4 votes |
private MethodResolver methodResolver () { return (ctx,target,name,args) -> { return methodExecutors.get(name); }; }
Example #28
Source File: SimpleEvaluationContext.java From spring-analysis-note with MIT License | 4 votes |
/** * Return the specified {@link MethodResolver} delegates, if any. * @see Builder#withMethodResolvers */ @Override public List<MethodResolver> getMethodResolvers() { return this.methodResolvers; }
Example #29
Source File: StandardEvaluationContext.java From spring-analysis-note with MIT License | 4 votes |
public void setMethodResolvers(List<MethodResolver> methodResolvers) { this.methodResolvers = methodResolvers; }
Example #30
Source File: StandardEvaluationContext.java From spring4-understanding with Apache License 2.0 | 4 votes |
@Override public List<MethodResolver> getMethodResolvers() { ensureMethodResolversInitialized(); return this.methodResolvers; }