Examples of org.codehaus.preon.el.BindingException

org.codehaus.preon.el.BindingException
The exception thrown when the expression cannot be bound to a context. (Note that this exception might occur both at construction of the {@link Expression} instance, or at the evaluation time.) @author Wilfred Springer

    public void testResolution2ndAttempt() {
        Object runtimeContext = new Object();
        Object result = new Object();
        expect(reference1.getReferenceContext()).andReturn(context);
        expect(reference2.getReferenceContext()).andReturn(context);
        expect(reference1.resolve(runtimeContext)).andThrow(new BindingException("Not found."));
        expect(reference2.resolve(runtimeContext)).andReturn(result);
        expect(reference1.getType()).andReturn(String.class);
        expect(reference2.getType()).andReturn(String.class);
        replay(reference1, reference2);
        MultiReference multi = new MultiReference(reference1, reference2);

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        Object result = new Object();
        expect(reference1.getReferenceContext()).andReturn(context);
        expect(reference2.getReferenceContext()).andReturn(context);
        expect(reference1.getType()).andReturn(String.class);
        expect(reference2.getType()).andReturn(String.class);
        expect(reference1.resolve(runtimeContext)).andThrow(new BindingException("Not found."));
        expect(reference2.resolve(runtimeContext)).andThrow(new BindingException("Not found."));
        replay(reference1, reference2);
        MultiReference multi = new MultiReference(reference1, reference2);
        try {
            multi.resolve(runtimeContext);
        } finally {

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        expect(reference2.getType()).andReturn(String.class);
        expect(selected1.getType()).andReturn(String.class);
        expect(reference1.getReferenceContext()).andReturn(context);
        expect(reference2.getReferenceContext()).andReturn(context);
        expect(reference1.selectAttribute(propertyName)).andReturn(selected1);
        expect(reference2.selectAttribute(propertyName)).andThrow(new BindingException("No property pi"));
        selected1.document(document);
        expect(selected1.getReferenceContext()).andReturn(context);
        replay(reference1, reference2, selected1, selected2);
        MultiReference multi = new MultiReference(reference1, reference2);
        Reference selected = multi.selectAttribute(propertyName);

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        public Object get(String name) {
            if ("data".equals(name)) {
                return data;
            } else {
                throw new BindingException("No such variable: " + name); // TODO
            }
        }

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                    "No indexed values defined for VariableContext.");
        }


        public Reference<VariableResolver> selectItem(
                Expression<Integer, VariableResolver> index) {
            throw new BindingException(
                    "No indexed values defined for VariableContext.");
        }

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    public static <E> Node<Boolean, E> createBooleanNode(Node<?, E> node) {
        if (!boolean.class.isAssignableFrom(node.getType())
                && !Boolean.class.isAssignableFrom(node.getType())) {
            StringBuilder builder = new StringBuilder();
            node.document(new StringBuilderDocument(builder));
            throw new BindingException("Reference " + builder.toString()
                    + " does not resolve to boolean.");
        } else {
            return (Node<Boolean, E>) node;
        }
    }

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        this.context = context;
        try {
            field = type.getDeclaredField(name);
            field.setAccessible(true);
        } catch (SecurityException e) {
            throw new BindingException("Binding to " + name + " forbidden.");
        } catch (NoSuchFieldException e) {
            throw new BindingException("No field named " + name + ".");
        }
    }

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    public Object resolve(T context) {
        try {
            return field.get(reference.resolve(context));
        } catch (IllegalArgumentException e) {
            throw new BindingException("Cannot resolve " + field.getName()
                    + " on context.", e);
        } catch (IllegalAccessException e) {
            throw new BindingException("Access denied for field  "
                    + field.getName(), e);
        }
    }

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        try {
            Expression<Integer, T> expr = Expressions.createInteger(context,
                    index);
            return selectItem(expr);
        } catch (InvalidExpressionException e) {
            throw new BindingException("Invalid index.", e);
        }
    }

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        commonSuperType = calculateCommonSuperType(references);
        this.references = references;
        for (Reference<E> reference : references) {
            if (context != null) {
                if (!context.equals(reference.getReferenceContext())) {
                    throw new BindingException(
                            "Multiple types of runtime contexts.");
                }
            } else {
                context = reference.getReferenceContext();
            }

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Related Classes of org.codehaus.preon.el.BindingException

org.codehaus.preon.codec.ListCodecFactory$IndexedResolverContext$IndexReference

org.codehaus.preon.el.ast.ArithmeticNode

org.codehaus.preon.el.ast.BooleanOperatorNode

org.codehaus.preon.el.ctx.ClassReferenceContext

org.codehaus.preon.el.ctx.MultiReference

org.codehaus.preon.el.ctx.MultiReferenceTest

org.codehaus.preon.el.ctx.PropertyReference

org.codehaus.preon.el.ctx.VariableContext

org.codehaus.preon.el.ctx.VariableContext$VariableReference

org.codehaus.preon.el.ctx.VariableContextTest$DataResolver

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