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.springframework.faces.webflow.JsfViewFactory.java

/**
 * Walk the component tree to perform any required per-component operations.
 * /*from  w  w  w. ja v  a  2s.c  om*/
 * @param context
 * @param component
 */
private void processTree(FacesContext context, UIComponent component) {
    // Only resetting the valid flag in the RESTORE_VIEW phase,
    // not during RENDER_RESPONSE
    if (!context.getRenderResponse() && component instanceof EditableValueHolder) {
        ((EditableValueHolder) component).setValid(true);
    }
    ValueExpression binding = component.getValueExpression("binding");
    if (binding != null) {
        binding.setValue(context.getELContext(), component);
    }
    Iterator<UIComponent> it = component.getFacetsAndChildren();
    while (it.hasNext()) {
        processTree(context, it.next());
    }
}

From source file:com.googlecode.jsfFlex.component.ext.AbstractFlexUIComboBox.java

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);

    if (!isRendered() || !isValid()) {
        return;//from ww  w  .j  a  va2s.c  o m
    }

    ValueExpression ve = getValueExpression(TEXT_ATTR);

    if (ve != null && !ve.isReadOnly(context.getELContext())) {
        ve.setValue(context.getELContext(), getText());
        setText(null);
    }

}

From source file:org.primefaces.extensions.component.layout.Layout.java

@Override
public void processUpdates(final FacesContext fc) {
    if (!isSelfRequest(fc)) {
        super.processUpdates(fc);
    }/*from   w  ww  . j  a va  2 s .com*/

    final String state = fc.getExternalContext().getRequestParameterMap().get(this.getClientId(fc) + "_state");
    if (StringUtils.isNotBlank(state)) {
        final ValueExpression stateVE = getValueExpression(PropertyKeys.state.toString());
        if (stateVE != null) {
            // save "state"
            stateVE.setValue(fc.getELContext(), state);
            getStateHelper().remove(PropertyKeys.state);
        }
    }
}

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

protected String applyTemplate(ExpressionFactory factory, String templateName, String templateFile) {
    ValueExpression var;
    Object val;
    SimpleContext templateContext = new SimpleContext();
    ValueExpression templateContent;/*from  w w  w .  j  a  v  a  2 s.  c  om*/

    templateContent = factory.createValueExpression(templateContext, template, String.class);
    var = factory.createValueExpression(templateContext, "${content}", String.class);
    var.setValue(templateContext, templateFile.replaceAll("\"", "\\\\\""));

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

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

        var.setValue(templateContext, val);
    }

    return (String) templateContent.getValue(templateContext);
}

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

/**
 * Puts own state into component state. 
 *///from   w ww.  ja  va2s . c  o  m
protected void updateTableState(FacesContext context) {
    ValueExpression ve = getValueExpression("tableState");
    if ((null != ve) && (!ve.isReadOnly(context.getELContext()))) {
        ve.setValue(context.getELContext(), getState().toString());
    }
}

From source file:org.primefaces.extensions.component.masterdetail.MasterDetail.java

public void updateModel(FacesContext fc, MasterDetailLevel mdlToGo) {
    final int levelToGo = mdlToGo.getLevel();
    ValueExpression levelVE = this.getValueExpression(PropertyKeys.level.toString());
    if (levelVE != null) {
        // update "level"
        levelVE.setValue(fc.getELContext(), levelToGo);
        getStateHelper().remove(PropertyKeys.level);
    }/*www . j  a  v a  2s .  c om*/

    // get component caused this ajax request
    final String source = fc.getExternalContext().getRequestParameterMap()
            .get(Constants.RequestParams.PARTIAL_SOURCE_PARAM);
    MasterDetailLevel mdl = getDetailLevelToProcess(fc);

    // get resolved context value
    Object contextValue = null;
    Map<String, Object> contextValues = (Map<String, Object>) mdl.getAttributes().get(CONTEXT_VALUES);
    if (contextValues != null) {
        contextValue = contextValues.get(RESOLVED_CONTEXT_VALUE + source);
    }

    if (contextValue != null) {
        // update current context value for corresponding MasterDetailLevel
        mdlToGo.getAttributes().put(getClientId(fc) + CURRENT_CONTEXT_VALUE, contextValue);

        ValueExpression contextValueVE = this.getValueExpression(PropertyKeys.contextValue.toString());
        if (contextValueVE != null) {
            // update "contextValue"
            contextValueVE.setValue(fc.getELContext(), contextValue);
            getStateHelper().remove(PropertyKeys.contextValue);
        }
    }
}

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

void setAttributeValue(String expr, Object value) {
    if (expr != null) {
        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);
                valueExpr.setValue(context, value);
            }//from   ww w .  j  av  a  2 s .c o m
        }
    }
}

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

private void setExpressionValues(String expr, String jParam) {
    if (isReadOnlyParameter(jParam)) {
        return;/*from   w w  w .j a  v a 2  s .c  o  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);

            List<Object> list = new ArrayList<Object>();
            String[] values = WebContext.getRequest().getParameterValues(TagHandler.J_ARRAY + jParam);

            boolean unescape = HANDLER.containsUnescapeMethod(methodSign);

            if (values != null) {
                for (String val : values) {
                    try {
                        list.add(NumberUtils.createNumber(val));
                    } catch (NumberFormatException e) {
                        list.add(unescape ? val : escapeValue(val));
                    }
                }
            }

            // Check for empty value sent on array [false]
            if (list.size() == 1 && list.get(0) != null && list.get(0).equals("false")) {
                list.clear();
            }

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

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

public void updateFilename(FacesContext context, String newFilename) {
    // set filename by hand after validation
    ValueExpression ve = getValueExpression("filename");
    if (ve != null) {
        ve.setValue(context.getELContext(), newFilename);
    }//  w ww .  java2s .  c  o m
}

From source file:org.apache.myfaces.custom.aliasbean.Alias.java

/**
 * Activate this alias (ie create the temporary name).
 *//*from w ww.  j ava2 s. com*/
void make(FacesContext facesContext) {
    if (_active)
        return;

    ValueExpression aliasVB;
    if (_aliasBeanExpression == null) {
        aliasVB = _aliasComponent.getValueExpression("alias");
        if (aliasVB == null)
            return;
        _aliasBeanExpression = aliasVB.getExpressionString();
        if (_aliasBeanExpression == null)
            return;
    } else {
        aliasVB = facesContext.getApplication().getExpressionFactory()
                .createValueExpression(facesContext.getELContext(), _aliasBeanExpression, Object.class);
    }

    computeEvaluatedExpression(facesContext);

    aliasVB.setValue(facesContext.getELContext(), evaluatedExpression);
    _active = true;

    log.debug("makeAlias: " + _valueExpression + " = " + _aliasBeanExpression);
}