Example usage for javax.el ValueExpression setValue

List of usage examples for javax.el ValueExpression setValue

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Introduction

In this page you can find the example usage for javax.el ValueExpression setValue.

Prototype

public abstract void setValue(ELContext context, Object value);

Source Link

Usage

From source file:org.richfaces.component.UIDatascroller.java

private void updateModel(int newPage) {
    UIData dataTable = getDataTable();//from w w  w . j  a  v a  2 s  .c o m

    if (isRendered(dataTable)) {
        dataTable.setFirst((newPage - 1) * getRows(dataTable));
    }

    Map<String, Object> attributes = dataTable.getAttributes();
    attributes.put(SCROLLER_STATE_ATTRIBUTE, newPage);

    FacesContext context = getFacesContext();
    ValueExpression ve = getValueExpression("page");
    if (ve != null) {
        try {
            ve.setValue(context.getELContext(), newPage);
            attributes.remove(SCROLLER_STATE_ATTRIBUTE);
        } catch (ELException e) {
            String messageStr = e.getMessage();
            Throwable result = e.getCause();
            while (null != result && result.getClass().isAssignableFrom(ELException.class)) {
                messageStr = result.getMessage();
                result = result.getCause();
            }
            FacesMessage message;
            if (null == messageStr) {
                message = MessageUtil.getMessage(context, UIInput.UPDATE_MESSAGE_ID,
                        new Object[] { MessageUtil.getLabel(context, this) });
            } else {
                message = new FacesMessage(FacesMessage.SEVERITY_ERROR, messageStr, messageStr);
            }
            context.getExternalContext().log(message.getSummary(), result);
            context.addMessage(getClientId(context), message);
            context.renderResponse();
        } catch (IllegalArgumentException e) {
            FacesMessage message = MessageUtil.getMessage(context, UIInput.UPDATE_MESSAGE_ID,
                    new Object[] { MessageUtil.getLabel(context, this) });
            context.getExternalContext().log(message.getSummary(), e);
            context.addMessage(getClientId(context), message);
            context.renderResponse();
        } catch (Exception e) {
            FacesMessage message = MessageUtil.getMessage(context, UIInput.UPDATE_MESSAGE_ID,
                    new Object[] { MessageUtil.getLabel(context, this) });
            context.getExternalContext().log(message.getSummary(), e);
            context.addMessage(getClientId(context), message);
            context.renderResponse();
        }
    }
}

From source file:com.jsmartframework.web.manager.ExpressionHandler.java

private void setExpressionFilePart(String expr, String jParam) throws ServletException, IOException {
    Matcher matcher = EL_PATTERN.matcher(expr);
    if (matcher.find()) {

        String beanMethod = matcher.group(1);
        String[] methodSign = beanMethod.split(Constants.EL_SEPARATOR);

        if (methodSign.length > 0 && WebContext.containsAttribute(methodSign[0])) {
            beanMethod = String.format(Constants.JSP_EL, beanMethod);

            ELContext context = WebContext.getPageContext().getELContext();
            ValueExpression valueExpr = WebContext.getExpressionFactory().createValueExpression(context,
                    beanMethod, Object.class);

            Object value = WebContext.getRequest().getPart(TagHandler.J_PART + jParam);
            valueExpr.setValue(context, value);
        }/* w  ww.  j a  v a  2s .c  o m*/
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.rest.services.URLPolicyServiceImpl.java

@Override
public void applyRequestParameters(FacesContext facesContext) {
    // try to set document view
    ExpressionFactory ef = facesContext.getApplication().getExpressionFactory();
    ELContext context = facesContext.getELContext();

    HttpServletRequest httpRequest = (HttpServletRequest) facesContext.getExternalContext().getRequest();

    URLPatternDescriptor pattern = getURLPatternDescriptor(httpRequest);
    if (pattern == null) {
        return;/*from   w  ww .j  a  v a 2  s.c o m*/
    }

    DocumentView docView = getDocumentViewFromRequest(pattern.getName(), httpRequest);
    // pattern applies => document view will not be null
    if (docView != null) {
        String documentViewBinding = pattern.getDocumentViewBinding();
        if (documentViewBinding != null && !"".equals(documentViewBinding)) {
            // try to set it from custom mapping
            ValueExpression ve = ef.createValueExpression(context, pattern.getDocumentViewBinding(),
                    Object.class);
            ve.setValue(context, docView);
        }
    }

    Map<String, String> docViewParameters = null;
    if (docView != null) {
        docViewParameters = docView.getParameters();
    }
    ValueBindingDescriptor[] bindings = pattern.getValueBindings();
    if (bindings != null && httpRequest.getAttribute(URLPolicyService.DISABLE_ACTION_BINDING_KEY) == null) {
        for (ValueBindingDescriptor binding : bindings) {
            if (!binding.getCallSetter()) {
                continue;
            }
            String paramName = binding.getName();
            // try doc view parameters
            Object value = null;
            if (docViewParameters != null && docViewParameters.containsKey(paramName)) {
                value = docView.getParameter(paramName);
            } else {
                // try request attributes
                value = httpRequest.getAttribute(paramName);
            }
            String expr = binding.getExpression();
            if (ComponentTagUtils.isValueReference(expr)) {
                ValueExpression ve = ef.createValueExpression(context, expr, Object.class);
                try {
                    ve.setValue(context, value);
                } catch (ELException e) {
                    log.error("Could not apply request parameter '" + value + "' to expression '" + expr + "'",
                            e);
                }
            }
        }
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.component.file.UIInputFile.java

@Override
public void updateModel(FacesContext context) {
    if (context == null) {
        throw new IllegalArgumentException();
    }//from   w w  w .j  av  a  2 s.c  o m

    if (!isValid() || !isLocalValueSet()) {
        return;
    }
    ValueExpression ve = getValueExpression("value");
    if (ve == null) {
        return;
    }
    try {
        InputFileInfo local = getFileInfoLocalValue();
        String choice = local.getConvertedChoice();
        // set blob and filename
        if (InputFileChoice.DELETE.equals(choice)) {
            // set filename first to avoid error in case it maps the blob filename
            ValueExpression vef = getValueExpression("filename");
            if (vef != null) {
                vef.setValue(context.getELContext(), local.getConvertedFilename());
            }
            ve.setValue(context.getELContext(), local.getConvertedBlob());
            setValue(null);
            setLocalValueSet(false);
        } else if (InputFileChoice.isUploadOrKeepTemp(choice)) {
            // set blob first to avoid error in case the filename maps the blob filename
            ve.setValue(context.getELContext(), local.getConvertedBlob());
            setValue(null);
            setLocalValueSet(false);
            ValueExpression vef = getValueExpression("filename");
            if (vef != null) {
                vef.setValue(context.getELContext(), local.getConvertedFilename());
            }
        } else if (InputFileChoice.KEEP.equals(choice)) {
            // reset local value
            setValue(null);
            setLocalValueSet(false);
            if (getEditFilename()) {
                // set filename
                ValueExpression vef = getValueExpression("filename");
                if (vef != null) {
                    vef.setValue(context.getELContext(), local.getConvertedFilename());
                }
            }
        }
        return;
    } catch (ELException e) {
        String messageStr = e.getMessage();
        Throwable result = e.getCause();
        while (result != null && result instanceof ELException) {
            messageStr = result.getMessage();
            result = result.getCause();
        }
        FacesMessage message;
        if (messageStr == null) {
            message = MessageFactory.getMessage(context, UPDATE_MESSAGE_ID,
                    MessageFactory.getLabel(context, this));
        } else {
            message = new FacesMessage(FacesMessage.SEVERITY_ERROR, messageStr, messageStr);
        }
        context.addMessage(getClientId(context), message);
        setValid(false);
    } catch (IllegalArgumentException | ConverterException e) {
        FacesMessage message = MessageFactory.getMessage(context, UPDATE_MESSAGE_ID,
                MessageFactory.getLabel(context, this));
        context.addMessage(getClientId(context), message);
        setValid(false);
    }
}

From source file:com.jsmartframework.web.manager.ExpressionHandler.java

void setExpressionValue(String expr, String jParam) {
    if (isReadOnlyParameter(jParam)) {
        return;//from w w  w  .  ja  v a2  s.  c  om
    }

    Matcher matcher = EL_PATTERN.matcher(expr);
    if (matcher.find()) {

        String beanMethod = matcher.group(1);
        String[] methodSign = beanMethod.split(Constants.EL_SEPARATOR);

        if (methodSign.length > 0 && WebContext.containsAttribute(methodSign[0])) {
            beanMethod = String.format(Constants.JSP_EL, beanMethod);

            ELContext context = WebContext.getPageContext().getELContext();
            ValueExpression valueExpr = WebContext.getExpressionFactory().createValueExpression(context,
                    beanMethod, Object.class);

            Object value = WebContext.getRequest().getParameter(TagHandler.J_TAG + jParam);

            if (!HANDLER.containsUnescapeMethod(methodSign)) {
                value = escapeValue((String) value);
            }
            valueExpr.setValue(context, value);
        }
    }
}

From source file:inti.ws.spring.resource.FilteredWebResource.java

@Override
public void update() throws Exception {
    ExpressionFactory factory;/*from   ww w  .  j a  v  a 2s .co m*/
    ValueExpression var;
    Object val;
    StringBuilder builder = new StringBuilder(32);
    MessageDigest digest = DIGESTS.get();

    for (WebResource dependency : dependencies) {
        dependency.updateIfNeeded();
    }

    super.update();

    factory = ExpressionFactory.newInstance();
    content = factory.createValueExpression(context, compressedFile, String.class);
    for (Map.Entry<String, Object> parameter : parameters.entrySet()) {
        var = factory.createValueExpression(context, "${" + parameter.getKey() + '}', String.class);
        val = parameter.getValue();
        if (val instanceof WebResource) {
            ((WebResource) val).updateIfNeeded();
            val = ((WebResource) val).getContent().hashCode();
        }
        var.setValue(context, val);
    }
    compressedFile = (String) content.getValue(context);

    digest.reset();
    builder.append(Hex.encodeHexString(digest.digest(compressedFile.getBytes(StandardCharsets.UTF_8))));
    messageDigest = builder.toString();
    builder.delete(0, builder.length());

    DATE_FORMATTER.formatDate(lastModified, builder);
    lastModifiedString = builder.toString();
}

From source file:inti.ws.spring.resource.template.TemplateResource.java

@Override
public void update() throws Exception {
    ExpressionFactory factory;//from   ww  w. j a v  a 2 s.c o  m
    ValueExpression var;
    Object val;
    StringBuilder builder = new StringBuilder(2048);
    MessageDigest digest = DIGESTS.get();

    factory = ExpressionFactory.newInstance();

    for (WebResource file : files) {
        if (file.hasChanged()) {
            file.update();
        }
        builder.append(applyTemplate(factory, file.getName(), file.getContent().replaceAll("\\s+", " ")));
        builder.append(',');
    }
    builder.delete(builder.length() - 1, builder.length());

    super.update();

    content = factory.createValueExpression(context, compressedFile, String.class);

    var = factory.createValueExpression(context, "${files}", String.class);
    var.setValue(context, builder.toString());

    if (parameters != null) {

        for (Map.Entry<String, Object> parameter : parameters.entrySet()) {
            var = factory.createValueExpression(context, "${" + parameter.getKey() + '}', String.class);
            val = parameter.getValue();

            if ("$filename".equals(val)) {
                val = resource.getFile();
            } else if ("$modulename".equals(val)) {
                val = moduleName;
            }

            var.setValue(context, val);
        }

    }
    compressedFile = (String) content.getValue(context);
    builder.delete(0, builder.length());

    digest.reset();
    builder.append(Hex.encodeHexString(digest.digest(compressedFile.getBytes(StandardCharsets.UTF_8))));
    messageDigest = builder.toString();
    builder.delete(0, builder.length());

    DATE_FORMATTER.formatDate(lastModified, builder);
    lastModifiedString = builder.toString();
}

From source file:com.jsmartframework.web.manager.ExpressionHandler.java

private void setExpressionDate(String expr, String jParam) throws ServletException {
    if (isReadOnlyParameter(jParam)) {
        return;/* w  w w. j  av  a2 s . co  m*/
    }

    Matcher matcher = EL_PATTERN.matcher(expr);
    if (matcher.find()) {

        String beanMethod = matcher.group(1);
        String[] methodSign = beanMethod.split(Constants.EL_SEPARATOR);

        if (methodSign.length > 0 && WebContext.containsAttribute(methodSign[0])) {
            beanMethod = String.format(Constants.JSP_EL, beanMethod);

            ELContext context = WebContext.getPageContext().getELContext();
            ValueExpression valueExpr = WebContext.getExpressionFactory().createValueExpression(context,
                    beanMethod, Object.class);
            String value = WebContext.getRequest().getParameter(TagHandler.J_DATE + jParam);

            if (StringUtils.isNotBlank(value)) {
                Throwable throwable = null;
                try {
                    valueExpr.setValue(context, value);
                    return;
                } catch (Exception ex) {
                    throwable = ex;
                }

                Long timeMillis = Long.parseLong(value);
                try {
                    valueExpr.setValue(context, new Date(timeMillis));
                    return;
                } catch (Exception ex) {
                    throwable = ex;
                }

                try {
                    valueExpr.setValue(context,
                            Instant.ofEpochMilli(timeMillis).atZone(ZoneId.systemDefault()).toLocalDateTime());
                    return;
                } catch (Exception ex) {
                    throwable = ex;
                }

                try {
                    valueExpr.setValue(context, new DateTime(timeMillis));
                    return;
                } catch (Exception ex) {
                    throwable = ex;
                }

                if (throwable != null) {
                    throw new ServletException(throwable.getMessage());
                }
            } else {
                valueExpr.setValue(context, null);
            }
        }
    }
}

From source file:py.una.pol.karaku.util.ControllerHelper.java

private void updateModel(UIComponent formulario) {

    FacesContext context = getContext();
    ELContext elContext = getContext().getELContext();
    Iterator<UIComponent> iter = formulario.getFacetsAndChildren();
    while (iter.hasNext()) {

        UIComponent component = iter.next();
        // Si es un valor submiteable, o INPUTEaBLE
        if (component instanceof UISelectOne) {
            UISelectOne com = (UISelectOne) component;
            Object newValue = com.getSubmittedValue();
            ValueExpression value = com.getValueExpression(EL_VALUE_PROPERTY);
            if (newValue != null && com.getConverter() != null) {
                // Si tiene un converter definido, entonces utilizamos ese
                // converter para obtener el valor
                newValue = com.getConverter().getAsObject(context, com, newValue.toString());
            }//w  w  w.j a  va2 s .co  m
            value.setValue(elContext, newValue);
        } else if (component instanceof UICalendar) {
            UICalendar com = (UICalendar) component;
            Object newValue = com.getSubmittedValue();
            if (newValue != null) {
                ValueExpression value = com.getValueExpression(EL_VALUE_PROPERTY);
                newValue = getConverter().getAsObject(context, component, newValue.toString());
                value.setValue(elContext, newValue);
            }

        } else if (component instanceof UIInput && !(component instanceof UICalendar)) {
            UIInput com = (UIInput) component;
            Object newValue = com.getSubmittedValue();
            ValueExpression value = com.getValueExpression(EL_VALUE_PROPERTY);
            if (value.getType(elContext).equals(Quantity.class)) {
                if (StringUtils.isValid(newValue)) {
                    newValue = new Quantity((String) newValue);
                } else {
                    newValue = Quantity.ZERO;
                }
            }

            if (newValue instanceof String && !StringUtils.isValid(newValue)) {
                newValue = null;
            }
            value.setValue(elContext, newValue);
        }
        updateModel(component);
    }
}

From source file:com.jsmartframework.web.manager.ExpressionHandler.java

@SuppressWarnings("all")
private void setSelectionValue(String expr, String jParam) {
    Matcher matcher = EL_PATTERN.matcher(expr);
    if (matcher.find()) {

        String beanMethod = matcher.group(1);
        String[] methodSign = beanMethod.split(Constants.EL_SEPARATOR);

        if (methodSign.length > 0 && WebContext.containsAttribute(methodSign[0])) {

            HttpServletRequest request = WebContext.getRequest();
            beanMethod = String.format(Constants.JSP_EL, beanMethod);

            // Get parameter mapped by TagHandler.J_VALUES
            String valuesParam = request.getParameter(TagHandler.J_SEL + jParam);
            Matcher valuesMatcher = TagHandler.J_TAG_PATTERN.matcher(valuesParam);

            Object object = null;
            List<Object> list = null;
            Scroll scroll = null;/*from   w w  w  .  ja v  a2s.co m*/

            if (valuesMatcher.find()) {
                object = getExpressionValue(TagEncrypter.decrypt(request, valuesMatcher.group(2)));
            }

            if (object instanceof ListAdapter) {
                String scrollParam = request.getParameter(TagHandler.J_SCROLL + jParam);
                scroll = GSON.fromJson(scrollParam, Scroll.class);

                list = ((ListAdapter) object).load(scroll.getIndex(), scroll.getOffset(), scroll.getSize());

            } else if (object instanceof TableAdapter) {
                String scrollParam = request.getParameter(TagHandler.J_SCROLL + jParam);
                scroll = GSON.fromJson(scrollParam, Scroll.class);

                list = ((TableAdapter) object).load(scroll.getIndex(), scroll.getOffset(), scroll.getSize(),
                        scroll.getSort(), scroll.getOrder(), scroll.getFilters());

            } else if (object instanceof List<?>) {
                list = (List<Object>) object;
            }

            if (list != null && !list.isEmpty()) {
                ELContext context = WebContext.getPageContext().getELContext();
                ValueExpression valueExpr = WebContext.getExpressionFactory().createValueExpression(context,
                        beanMethod, Object.class);

                Integer index = Integer.parseInt(request.getParameter(TagHandler.J_SEL_VAL + jParam));

                // Case scroll list with adapter need to calculate the difference between
                // the first index of the loaded content with the clicked list item index
                if (scroll != null) {
                    index -= scroll.getIndex();
                }
                valueExpr.setValue(context, list.get(index));
            }
        }
    }
}