Package org.apache.commons.jexl2

Examples of org.apache.commons.jexl2.ClassCreator

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        String result = StringUtils.EMPTY;

        if (expression != null && !expression.isEmpty() && jexlContext != null) {

            try {
                Expression jexlExpression = getEngine().createExpression(expression);
                Object evaluated = jexlExpression.evaluate(jexlContext);
                if (evaluated != null) {
                    result = evaluated.toString();
                }
            } catch (JexlException e) {
                LOG.error("Invalid jexl expression: " + expression, e);
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        return result;
    }

    public JexlContext addFieldsToContext(final Object attributable, final JexlContext jexlContext) {
        JexlContext context = jexlContext == null
                ? new MapContext()
                : jexlContext;

        final Field[] fields = attributable.getClass().getDeclaredFields();
        for (int i = 0; i < fields.length; i++) {
            try {
                Field field = fields[i];
                field.setAccessible(true);
                final String fieldName = field.getName();
                if ((!field.isSynthetic()) && (!fieldName.startsWith("pc"))
                        && (!ArrayUtils.contains(IGNORE_FIELDS, fieldName))
                        && (!Iterable.class.isAssignableFrom(field.getType()))
                        && (!field.getType().isArray())) {

                    final Object fieldValue = field.get(attributable);

                    context.set(fieldName, fieldValue == null
                            ? ""
                            : (field.getType().equals(Date.class)
                            ? DataFormat.format((Date) fieldValue, false)
                            : fieldValue));
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    }

    public JexlContext addAttrsToContext(final Collection<? extends AbstractAttr> attributes,
            final JexlContext jexlContext) {

        JexlContext context = jexlContext == null
                ? new MapContext()
                : jexlContext;

        for (AbstractAttr attr : attributes) {
            List<String> attributeValues = attr.getValuesAsStrings();
            String expressionValue = attributeValues.isEmpty()
                    ? ""
                    : attributeValues.get(0);

            LOG.debug("Add attribute {} with value {}", attr.getSchema().getName(), expressionValue);

            context.set(attr.getSchema().getName(), expressionValue);
        }

        return context;
    }
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    }

    public JexlContext addDerAttrsToContext(final Collection<? extends AbstractDerAttr> derAttrs,
            final Collection<? extends AbstractAttr> attrs, final JexlContext jexlContext) {

        JexlContext context = jexlContext == null
                ? new MapContext()
                : jexlContext;

        for (AbstractDerAttr derAttr : derAttrs) {
            String expressionValue = derAttr.getValue(attrs);
            if (expressionValue == null) {
                expressionValue = "";
            }

            LOG.debug("Add derived attribute {} with value {}", derAttr.getDerivedSchema().getName(), expressionValue);

            context.set(derAttr.getDerivedSchema().getName(), expressionValue);
        }

        return context;
    }
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    }

    public JexlContext addVirAttrsToContext(final Collection<? extends AbstractVirAttr> virAttrs,
            final JexlContext jexlContext) {

        JexlContext context = jexlContext == null
                ? new MapContext()
                : jexlContext;

        for (AbstractVirAttr virAttr : virAttrs) {
            List<String> attributeValues = virAttr.getValues();
            String expressionValue = attributeValues.isEmpty()
                    ? ""
                    : attributeValues.get(0);

            LOG.debug("Add virtual attribute {} with value {}", virAttr.getVirtualSchema().getName(), expressionValue);

            context.set(virAttr.getVirtualSchema().getName(), expressionValue);
        }

        return context;
    }
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        return context;
    }

    public String evaluate(final String expression, final AbstractAttributableTO attributableTO) {
        final JexlContext context = new MapContext();

        addFieldsToContext(attributableTO, context);

        for (AttributeTO attr : attributableTO.getAttributes()) {
            List<String> values = attr.getValues();
            String expressionValue = values.isEmpty()
                    ? ""
                    : values.get(0);

            LOG.debug("Add attribute {} with value {}", attr.getSchema(), expressionValue);

            context.set(attr.getSchema(), expressionValue);
        }
        for (AttributeTO derAttr : attributableTO.getDerivedAttributes()) {
            List<String> values = derAttr.getValues();
            String expressionValue = values.isEmpty()
                    ? ""
                    : values.get(0);

            LOG.debug("Add derived attribute {} with value {}", derAttr.getSchema(), expressionValue);

            context.set(derAttr.getSchema(), expressionValue);
        }
        for (AttributeTO virAttr : attributableTO.getVirtualAttributes()) {
            List<String> values = virAttr.getValues();
            String expressionValue = values.isEmpty()
                    ? ""
                    : values.get(0);

            LOG.debug("Add virtual attribute {} with value {}", virAttr.getSchema(), expressionValue);

            context.set(virAttr.getSchema(), expressionValue);
        }

        // Evaluate expression using the context prepared before
        return evaluate(expression, context);
    }
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        } else {
            jexlExpression = getOldExpression(jexlEngine);
        }
       
        final Map<String, Object> contextMap = contextManager.getContext(context);
        final JexlContext jexlContext = new MapContext(contextMap);

        return Boolean.TRUE.equals(jexlExpression.evaluate(jexlContext)) ? FeatureState.ENABLED : FeatureState.DISABLED;
    }
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        String evalAccountLink = null;
        if (StringUtils.isNotBlank(attrUtil.getAccountLink(resource))) {
            final ConfigurableApplicationContext context = ApplicationContextProvider.getApplicationContext();
            final JexlUtil jexlUtil = context.getBean(JexlUtil.class);

            final JexlContext jexlContext = new MapContext();
            jexlUtil.addFieldsToContext(subject, jexlContext);
            jexlUtil.addAttrsToContext(subject.getAttributes(), jexlContext);
            jexlUtil.addDerAttrsToContext(subject.getDerivedAttributes(), subject.getAttributes(), jexlContext);
            evalAccountLink = jexlUtil.evaluate(attrUtil.getAccountLink(resource), jexlContext);
        }
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    public String getValue(final Collection<? extends AbstractAttr> attributes) {
        final ConfigurableApplicationContext context = ApplicationContextProvider.getApplicationContext();
        final JexlUtil jexlUtil = context.getBean(JexlUtil.class);

        // Prepare context using user attributes
        final JexlContext jexlContext = new MapContext();
        jexlUtil.addAttrsToContext(attributes, jexlContext);
        jexlUtil.addFieldsToContext(getOwner(), jexlContext);

        // Evaluate expression using the context prepared before
        return jexlUtil.evaluate(getDerivedSchema().getExpression(), jexlContext);
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                if (role.getResourceNames().contains(task.getResource().getName())
                        && StringUtils.isNotBlank(task.getResource().getRmapping().getAccountLink())) {

                    LOG.debug("Evaluating accountLink for {}", role);

                    final JexlContext jexlContext = new MapContext();
                    jexlUtil.addFieldsToContext(role, jexlContext);
                    jexlUtil.addAttrsToContext(role.getAttributes(), jexlContext);
                    jexlUtil.addDerAttrsToContext(role.getDerivedAttributes(), role.getAttributes(), jexlContext);
                    final String roleAccountLink = jexlUtil.evaluate(task.getResource().getRmapping().getAccountLink(),
                            jexlContext);
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