Example usage for org.springframework.expression.spel.standard SpelExpressionParser SpelExpressionParser

List of usage examples for org.springframework.expression.spel.standard SpelExpressionParser SpelExpressionParser

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Introduction

In this page you can find the example usage for org.springframework.expression.spel.standard SpelExpressionParser SpelExpressionParser.

Prototype

public SpelExpressionParser()

Source Link

Document

Create a parser with default settings.

Usage

From source file:org.cloudfoundry.identity.uaa.scim.ScimUserTests.java

@Test
public void testSpelFilter() throws Exception {
    ScimUser user = new ScimUser();
    user.setId("123");
    user.setUserName("joe");
    ScimUser.Email email = new ScimUser.Email();
    email.setValue("foo@bar.com");
    user.setEmails(Arrays.asList(email));
    StandardEvaluationContext context = new StandardEvaluationContext(user);
    assertTrue(new SpelExpressionParser()
            .parseExpression("userName == 'joe' and !(emails.?[value=='foo@bar.com']).empty")
            .getValue(context, Boolean.class));
}

From source file:org.gvnix.datatables.tags.RooTableTag.java

/**
 * Gets Id content// w  ww  .  j av  a  2 s  .c o  m
 * 
 * @return
 * @throws JspException
 */
protected String getIdContent() throws JspException {
    ExpressionParser parser = new SpelExpressionParser();
    Expression exp = parser.parseExpression(this.rowIdBase);
    EvaluationContext context = new StandardEvaluationContext(currentObject);

    Object value = exp.getValue(context);
    String result = "";

    if (value == null) {
        // Use AbstractTablaTag standard behavior
        try {
            value = PropertyUtils.getNestedProperty(this.currentObject, this.rowIdBase);

        } catch (IllegalAccessException e) {
            LOGGER.error("Unable to get the value for the given rowIdBase {}", this.rowIdBase);
            throw new JspException(e);
        } catch (InvocationTargetException e) {
            LOGGER.error("Unable to get the value for the given rowIdBase {}", this.rowIdBase);
            throw new JspException(e);
        } catch (NoSuchMethodException e) {
            LOGGER.error("Unable to get the value for the given rowIdBase {}", this.rowIdBase);
            throw new JspException(e);
        }
    }

    if (value != null) {
        // TODO manage exceptions to log it
        ConversionService conversionService = (ConversionService) helper.getBean(this.pageContext,
                getConversionServiceId());
        if (conversionService != null && conversionService.canConvert(value.getClass(), String.class)) {
            result = conversionService.convert(value, String.class);
        } else {
            result = ObjectUtils.getDisplayString(value);
        }
        result = HtmlUtils.htmlEscape(result);
    }

    return result;
}

From source file:org.gvnix.datatables.tags.RooColumnTag.java

@Override
protected String getColumnContent() throws JspException {

    // Try to do the same as the roo table.tagx tag to get the value for the
    // column//from w ww.j ava2  s  .  c  om
    // <c:choose>
    // <c:when test="${columnType eq 'date'}">
    // <spring:escapeBody>
    // <fmt:formatDate value="${item[column]}"
    // pattern="${fn:escapeXml(columnDatePattern)}" var="colTxt" />
    // </spring:escapeBody>
    // </c:when>
    // <c:when test="${columnType eq 'calendar'}">
    // <spring:escapeBody>
    // <fmt:formatDate value="${item[column].time}"
    // pattern="${fn:escapeXml(columnDatePattern)}" var="colTxt"/>
    // </spring:escapeBody>
    // </c:when>
    // <c:otherwise>
    // <c:set var="colTxt">
    // <spring:eval expression="item[column]" htmlEscape="false" />
    // </c:set>
    // </c:otherwise>
    // </c:choose>
    // <c:if test="${columnMaxLength ge 0}">
    // <c:set value="${fn:substring(colTxt, 0, columnMaxLength)}"
    // var="colTxt" />
    // </c:if>
    // <c:out value="${colTxt}" />

    // TODO log problem resolving column content

    if (StringUtils.isBlank(this.property)) {
        return "";
    }
    TableTag parent = (TableTag) getParent();

    ExpressionParser parser = new SpelExpressionParser();
    String unescapedProperty = this.property.replace(SEPARATOR_FIELDS_ESCAPED, SEPARATOR_FIELDS);
    Expression exp = parser.parseExpression(unescapedProperty);
    EvaluationContext context = new StandardEvaluationContext(parent.getCurrentObject());

    Object value = exp.getValue(context);
    String result = "";

    if (value != null) {

        if (Date.class.isAssignableFrom(value.getClass())) {
            result = dateTimePattern.format(value);
        } else if (value instanceof Calendar) {
            result = dateTimePattern.format(((Calendar) value).getTime());
        } else {
            ConversionService conversionService = (ConversionService) helper.getBean(this.pageContext,
                    getConversionServiceId());
            if (conversionService != null && conversionService.canConvert(value.getClass(), String.class)) {
                result = conversionService.convert(value, String.class);
            } else {
                result = ObjectUtils.getDisplayString(value);
            }
            // result = (isHtmlEscape() ? HtmlUtils.htmlEscape(result) :
            // result);
            // result = (this.javaScriptEscape ?
            // JavaScriptUtils.javaScriptEscape(result) : result);
        }

    } else {
        result = super.getColumnContent();
    }
    if (maxLength >= 0 && result.length() > maxLength) {
        result = result.substring(0, maxLength);
    }

    return result;
}

From source file:nl.minbzk.dwr.zoeken.enricher.uploader.ElasticSearchResultUploader.java

/**
 * Determine the database name, based on the composite key, or null if any of the composite key replacements could not be resolved.
 * //from  w w  w.  ja v  a  2  s .  co  m
 * XXX: We only consider the replacement values from the first document given.
 * 
 * @param name
 * @param nameComposition
 * @param namePrerequisitesExpression
 * @param documents
 * @return String
 */
private String determineAlternateDatabaseName(final String name, final String nameComposition,
        final String namePrerequisitesExpression, final List<Map<String, Object>> documents) {
    GregorianCalendar calendar = new GregorianCalendar();

    calendar.setTime(new Date());

    String result;

    result = nameComposition.replace("{name}", name).trim();

    result = result.replace("{year}", format("%04d", calendar.get(calendar.YEAR)));
    result = result.replace("{month}", format("%02d", calendar.get(calendar.MONTH)));

    if (documents.size() > 0) {
        final Map<String, Object> document = documents.get(0);

        while (result.contains("{") && result.indexOf("}") > result.indexOf("{")) {
            String fieldName = result.substring(result.indexOf("{") + 1, result.indexOf("}"));

            if (document.containsKey(fieldName) && !document.get(fieldName).getClass().isArray())
                result = result.replace("{" + fieldName + "}", document.get(fieldName).toString());
            else {
                if (logger.isDebugEnabled())
                    logger.debug(format(
                            "Field '%s' was missing from document with ID '%s' - will revert back to default collection '%s'",
                            fieldName, getReference(document), name));

                return null;
            }
        }

        // Also check the pre-requisite expression - only return a composite database name if it's met

        if (StringUtils.hasText(namePrerequisitesExpression)) {
            ExpressionParser parser = new SpelExpressionParser();

            final Map<String, Object> values = new HashMap<String, Object>();

            // XXX: Always get just the first value

            for (Map.Entry<String, Object> entry : document.entrySet())
                if (entry.getValue().getClass().isArray())
                    values.put(entry.getKey(), ((Object[]) entry.getValue())[0]);
                else if (entry.getValue() instanceof List)
                    values.put(entry.getKey(), ((List<Object>) entry.getValue()).get(0));
                else
                    values.put(entry.getKey(), entry.getValue());

            StandardEvaluationContext context = new StandardEvaluationContext(new Object() {
                public Map<String, Object> getValues() {
                    return values;
                }
            });

            if (!parser.parseExpression(namePrerequisitesExpression).getValue(context, Boolean.class)) {
                if (logger.isDebugEnabled())
                    logger.debug(format(
                            "Pre-requisite expression '%s' failed to match against document with ID '%s' - will revert back to default collection '%s'",
                            namePrerequisitesExpression, getReference(document), name));

                return null;
            }
        }
    }

    return result;
}

From source file:nl.minbzk.dwr.zoeken.enricher.uploader.SolrResultUploader.java

/**
 * Determine the database name, based on the composite key, or null if any of the composite key replacements could not be resolved.
 *
 * XXX: We only consider the replacement values from the first document given.
 *
 * @param name//from ww  w . j a  va2 s.co m
 * @param nameComposition
 * @param namePrerequisitesExpression
 * @param documents
 * @return String
 */
private String determineAlternateDatabaseName(final String name, final String nameComposition,
        final String namePrerequisitesExpression, final List<SolrInputDocument> documents) {
    GregorianCalendar calendar = new GregorianCalendar();

    calendar.setTime(new Date());

    String result;

    result = nameComposition.replace("{name}", name).trim();

    result = result.replace("{year}", String.format("%04d", calendar.get(calendar.YEAR)));
    result = result.replace("{month}", String.format("%02d", calendar.get(calendar.MONTH)));

    if (documents.size() > 0) {
        final SolrInputDocument document = documents.get(0);

        while (result.contains("{") && result.indexOf("}") > result.indexOf("{")) {
            String fieldName = result.substring(result.indexOf("{") + 1, result.indexOf("}"));

            if (document.containsKey(fieldName))
                result = result.replace("{" + fieldName + "}", document.getFieldValue(fieldName).toString());
            else {
                if (logger.isDebugEnabled())
                    logger.debug(String.format(
                            "Field '%s' was missing from document with ID '%s' - will revert back to default collection '%s'",
                            fieldName, document.getFieldValue(REFERENCE_FIELD), name));

                return null;
            }
        }

        // Also check the pre-requisite expression - only return a composite database name if it's met

        if (StringUtils.hasText(namePrerequisitesExpression)) {
            final ExpressionParser parser = new SpelExpressionParser();

            final Map<String, Object> values = new HashMap<String, Object>();

            for (Map.Entry<String, SolrInputField> entry : document.entrySet()) {
                // XXX: Always get just the first value

                /* if (entry.getValue().getValueCount() > 1)
                   values.put(entry.getKey(), entry.getValue().getValues());
                else */
                values.put(entry.getKey(), entry.getValue().getFirstValue());
            }

            StandardEvaluationContext context = new StandardEvaluationContext(new Object() {
                public Map<String, Object> getValues() {
                    return values;
                }
            });

            if (!parser.parseExpression(namePrerequisitesExpression).getValue(context, Boolean.class)) {
                if (logger.isDebugEnabled())
                    logger.debug(String.format(
                            "Pre-requisite expression '%s' failed to match against document with ID '%s' - will revert back to default collection '%s'",
                            namePrerequisitesExpression, document.get(REFERENCE_FIELD).toString(), name));

                return null;
            }
        }
    }

    return result;
}

From source file:ar.com.zauber.commons.web.uri.factory.ExpressionMapUriFactory.java

/** construye en base a string {@link UriExpression} */
private static Map<String, UriExpression> createUriExpression(final Map<String, String> uris, final Type type) {
    return createUriExpression(
            type == Type.SPEL ? new SpringExpressionTemplateFactory(new SpelExpressionParser())
                    : new UriTemplateExpressionFactory(),
            uris);/*from  w  ww. j  a va  2 s  .c  om*/
}

From source file:net.nan21.dnet.core.presenter.service.asgn.AbstractAsgnService.java

/**
 * /*from   w ww  . j  a va2 s  .c  o  m*/
 * @param e
 * @param m
 * @throws Exception
 */
public void entityToModel(E e, M m) throws Exception {
    ExpressionParser parser = new SpelExpressionParser();
    StandardEvaluationContext context = new StandardEvaluationContext(e);
    Map<String, String> refpaths = this.getDescriptor().getE2mConv();
    Method[] methods = this.getModelClass().getMethods();
    for (Method method : methods) {
        if (!method.getName().equals("set__clientRecordId__") && method.getName().startsWith("set")) {
            String fn = StringUtils.uncapitalize(method.getName().substring(3));
            try {
                method.invoke(m, parser.parseExpression(refpaths.get(fn)).getValue(context));
            } catch (Exception exc) {

            }
        }
    }
}

From source file:com.graphaware.module.es.mapping.json.GraphDocumentMapper.java

private SpelExpressionParser getExpressionParser() {
    if (null == expressionParser) {
        expressionParser = new SpelExpressionParser();
    }/*ww w . j  a  v a2s .c o m*/

    return expressionParser;
}

From source file:guru.qas.martini.DefaultMixologist.java

@Override
public Collection<Martini> getMartinis(@Nullable String spelFilter) {
    String trimmed = null == spelFilter ? "" : spelFilter.trim();

    Collection<Martini> martinis = null;
    if (!trimmed.isEmpty()) {
        SpelExpressionParser parser = new SpelExpressionParser();
        Expression expression = parser.parseExpression(trimmed);
        martinis = getMartinis(expression);
    }/*from   w  w  w  . jav  a2 s.  c o  m*/
    return null == martinis ? getMartinis() : martinis;
}

From source file:org.shredzone.commons.view.manager.ViewPattern.java

/**
 * Compiles a view pattern. Generates a parameter list, a list of expressions for
 * building URLs to this view, and a regular expression for matching URLs against this
 * view pattern.//  w w  w .j  a  v  a  2s  .  c o m
 *
 * @param pstr
 *            the view pattern
 * @param pattern
 *            {@link StringBuilder} to assemble the regular expression in
 * @param expList
 *            List of {@link Expression} to assemble expressions in
 * @param paramList
 *            List to assemble parameters in
 */
private void compilePattern(String pstr, StringBuilder pattern, List<Expression> expList,
        List<String> paramList) {
    ExpressionParser parser = new SpelExpressionParser();
    int previous = 0;

    Matcher m = PATH_PART.matcher(pstr);
    while (m.find()) {
        String fixedPart = pstr.substring(previous, m.start());
        if (fixedPart.indexOf('\'') >= 0) {
            throw new IllegalArgumentException("path parameters must not contain \"'\"");
        }

        String expressionPart = m.group(1);

        pattern.append(Pattern.quote(fixedPart));
        pattern.append("([^/]*)");

        paramList.add(expressionPart);

        expList.add(parser.parseExpression('\'' + fixedPart + '\''));
        expList.add(parser.parseExpression(expressionPart));

        previous = m.end();
    }

    String postPart = pstr.substring(previous);
    pattern.append(Pattern.quote(postPart));
    expList.add(parser.parseExpression('\'' + postPart + '\''));
}