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.UICalendar.java

public void updateCurrentDate(FacesContext context, Object currentDate) {

    if (context == null) {
        throw new NullPointerException();
    }// w  w w.j  a  v  a2 s  .c o m
    // RF-1073
    try {
        ValueExpression ve = getValueExpression("currentDate");
        if (ve != null) {
            ELContext elContext = context.getELContext();
            if (ve.getType(elContext).equals(String.class)) {
                DateTimeConverter convert = new DateTimeConverter();
                convert.setLocale(getAsLocale(getLocale()));
                convert.setPattern(getDatePattern());
                ve.setValue(context.getELContext(), convert.getAsString(context, this, currentDate));
                return;
            } else if (ve.getType(elContext).equals(Calendar.class)) {
                Calendar c = Calendar.getInstance();
                c.setTime((Date) currentDate);
                ve.setValue(elContext, c);
                return;
            } else {
                ve.setValue(elContext, currentDate);
                return;
            }
        } else {
            setCurrentDate(currentDate);
        }

    } catch (Exception e) {
        setValid(false);
        // XXX nick - kaa - add log.debug(...)
        if (log.isDebugEnabled()) {
            log.debug(" updateCurrentDate method throws exception: " + e.toString(), e);
        }
        e.printStackTrace();
        String messageString = e.toString();
        FacesMessage message = new FacesMessage(messageString);
        message.setSeverity(FacesMessage.SEVERITY_ERROR);
        context.addMessage(getClientId(context), message);
    }
}

From source file:org.apache.empire.jsf2.utils.TagEncodingHelper.java

public void setDataValue(Object value) {
    if (getRecord() != null) { // value
        if (record instanceof Record) {
            getColumn();//  w w  w  .j  a va  2 s  .  co m
            /* special case
            if (value==null && getColumn().isRequired())
            {   // ((Record)record).isFieldRequired(column)==false
            log.warn("Unable to set null for required field!");
            return;
            }
            */
            if (isDetectFieldChange()) { // DetectFieldChange by comparing current and most recent value
                Object currentValue = ((Record) record).getValue(column);
                if (!ObjectUtils.compareEqual(currentValue, mostRecentValue)) { // Value has been changed by someone else!
                    log.info("Concurrent data change for " + column.getName()
                            + ". Current Value is {}. Ignoring new value {}", currentValue, value);
                    return;
                }
            }
            // check whether to skip validation
            boolean reenableValidation = false;
            if (skipValidation && (record instanceof DBRecord)) { // Ignore read only values
                if (this.isReadOnly())
                    return;
                // Column required?
                if (column.isRequired() && ObjectUtils.isEmpty(value))
                    return; // Cannot set required value to null
                // Disable Validation
                reenableValidation = ((DBRecord) record).isValidateFieldValues();
                if (reenableValidation)
                    ((DBRecord) record).setValidateFieldValues(false);
                // Validation skipped for
                if (log.isDebugEnabled())
                    log.debug("Input Validation skipped for {}.", column.getName());
            }
            // Now, set the value
            try {
                ((Record) record).setValue(column, value);
                mostRecentValue = value;
            } finally {
                // re-enable validation
                if (reenableValidation)
                    ((DBRecord) record).setValidateFieldValues(true);
            }
        } else if (record instanceof RecordData) { // a record
            throw new PropertyReadOnlyException("record");
        } else { // a normal bean
            String prop = getColumn().getBeanPropertyName();
            setBeanPropertyValue(record, prop, value);
        }
    } else { // Get from tag
             // tag.setValue(value);
        ValueExpression ve = tag.getValueExpression("value");
        if (ve == null)
            throw new PropertyReadOnlyException("value");

        FacesContext ctx = FacesContext.getCurrentInstance();
        ve.setValue(ctx.getELContext(), value);
    }
}

From source file:org.openfaces.component.table.AbstractTable.java

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);
    if (!isRendered())
        return;/*from w w w. java 2 s.  c  om*/

    processModelUpdates(context);

    processModelDependentUpdates(context);

    ValueExpression sortColumnIdExpression = getValueExpression("sortColumnId");
    ELContext elContext = context.getELContext();
    if (sortColumnIdExpression != null)
        sortColumnIdExpression.setValue(elContext, getSortColumnId());
    ValueExpression sortAscendingExpression = getValueExpression("sortAscending");
    if (sortAscendingExpression != null)
        sortAscendingExpression.setValue(elContext, isSortAscending());

    List<Filter> filters = getFilters();
    for (Filter filter : filters) {
        filter.processUpdates(context);
    }

    ColumnResizing columnResizing = getColumnResizing();
    if (columnResizing != null)
        columnResizing.processUpdates(context);

    Iterable<String> submittedColumnsOrder = (Iterable<String>) getAttributes().get("submittedColumnsOrder");
    if (submittedColumnsOrder != null) {
        getAttributes().remove("submittedColumnsOrder");
        setColumnsOrder(submittedColumnsOrder);
        if (columnsOrder != null && ValueBindings.set(this, "columnsOrder", columnsOrder)) {
            columnsOrder = null;
        }
    }
}

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

/**
 * Overridden to handle diff boolean value, see NXP-16515.
 *///from   w w w  . ja  v a2s  .c  o m
public void updateModel(FacesContext context) {

    if (context == null) {
        throw new NullPointerException();
    }

    if (!isValid() || !isLocalValueSet()) {
        return;
    }
    ValueExpression ve = getValueExpression("value");
    if (ve != null) {
        Throwable caught = null;
        FacesMessage message = null;
        try {
            Boolean setDiff = getDiff();
            if (setDiff) {
                // set list diff instead of the whole list
                // FIXME NXP-16515
                // EditableModel model = getEditableModel();
                // ve.setValue(context.getELContext(), model.getListDiff());
                ve.setValue(context.getELContext(), getLocalValue());
            } else {
                ve.setValue(context.getELContext(), getLocalValue());
            }
            setValue(null);
            setLocalValueSet(false);
        } catch (ELException e) {
            caught = e;
            String messageStr = e.getMessage();
            Throwable result = e.getCause();
            while (null != result && result.getClass().isAssignableFrom(ELException.class)) {
                messageStr = result.getMessage();
                result = result.getCause();
            }
            if (null == messageStr) {
                message = MessageFactory.getMessage(context, UPDATE_MESSAGE_ID,
                        MessageFactory.getLabel(context, this));
            } else {
                message = new FacesMessage(FacesMessage.SEVERITY_ERROR, messageStr, messageStr);
            }
            setValid(false);
        } catch (Exception e) {
            caught = e;
            message = MessageFactory.getMessage(context, UPDATE_MESSAGE_ID,
                    MessageFactory.getLabel(context, this));
            setValid(false);
        }
        if (caught != null) {
            assert message != null;
            // PENDING(edburns): verify this is in the spec.
            UpdateModelException toQueue = new UpdateModelException(message, caught);
            ExceptionQueuedEventContext eventContext = new ExceptionQueuedEventContext(context, toQueue, this,
                    PhaseId.UPDATE_MODEL_VALUES);
            context.getApplication().publishEvent(context, ExceptionQueuedEvent.class, eventContext);

        }

    }
}

From source file:com.lassitercg.faces.components.sheet.Sheet.java

private void setComment(FacesContext context, Object rowKey, int col, String value) {
    comments.put(new RowColIndex(rowKey, col), value);
    final Column column = getColumns().get(col);
    ValueExpression valueExpression = column.getValueExpression("comment");
    if (valueExpression != null) {
        valueExpression.setValue(context.getELContext(), value);
    }//from   w w w  .  j a  v a 2s.  c o m
}

From source file:com.lassitercg.faces.components.sheet.Sheet.java

/**
 * Override to update model with local values. Note that this is where
 * things can be fragile in that we can successfully update some values and
 * fail on others. There is no clean way to roll back the updates, but we
 * also need to fail processing.//from  w ww  .j ava  2  s . c om
 * <p>
 * TODO consider keeping old values as we update (need for event anyhow) and
 * if there is a failure attempt to roll back by updating successful model
 * updates with the old value. This may not all be necessary.
 */
@Override
public void updateModel(FacesContext context) {
    HashSet<Object> dirtyRows = new HashSet<Object>();
    Iterator<Entry<RowColIndex, String>> commentsEntries = comments.entrySet().iterator();
    while (commentsEntries.hasNext()) {
        final Entry<RowColIndex, String> entry = commentsEntries.next();
        final String newValue = entry.getValue();
        final Object rowKey = entry.getKey().getRowKey();
        final int col = entry.getKey().getColIndex();
        final Column column = getColumns().get(col);
        final RowMap map = rowMap.get(rowKey);

        String oldValue = null;
        ValueExpression valueExpression = column.getValueExpression("comment");
        if (valueExpression != null) {
            oldValue = (String) valueExpression.getValue(context.getELContext());
        }
        commentsEntries.remove();
        if (!StringUtils.equals(oldValue, newValue)) {
            appendUpdateEvent(map.sortedIndex, col, map.value, oldValue, newValue);
            dirtyRows.add(rowKey);
        }
    }

    Iterator<Entry<RowColIndex, Object>> entries = localValues.entrySet().iterator();
    // Keep track of the dirtied rows for ajax callbacks so we can send
    // updates on what was touched      
    while (entries.hasNext()) {
        final Entry<RowColIndex, Object> entry = entries.next();

        final Object newValue = entry.getValue();
        final Object rowKey = entry.getKey().getRowKey();
        final int col = entry.getKey().getColIndex();
        final Column column = getColumns().get(col);
        final RowMap map = rowMap.get(rowKey);
        this.setRowIndex(context, map.sortedIndex);

        //         System.out.println("Local key=" + rowKey + " and sortedRow is " + map.sortedIndex);

        ValueExpression ve = column.getValueExpression(PropertyKeys.value.name());
        ELContext elContext = context.getELContext();
        Object oldValue = ve.getValue(elContext);
        if (!column.isReadonlyCell()) {
            ve.setValue(elContext, newValue);
        }
        entries.remove();
        appendUpdateEvent(map.sortedIndex, col, map.value, oldValue, newValue);
        dirtyRows.add(rowKey);
    }
    setLocalValueSet(false);
    setRowIndex(context, -1);

    this.sortAndFilter();

    if (context.getPartialViewContext().isPartialRequest())
        this.renderRowUpdateScript(context, dirtyRows);
}

From source file:org.primefaces.extensions.component.sheet.Sheet.java

/**
 * Override to update model with local values. Note that this is where things can be fragile in that we can successfully update some values and fail on
 * others. There is no clean way to roll back the updates, but we also need to fail processing. TODO consider keeping old values as we update (need for
 * event anyhow) and if there is a failure attempt to roll back by updating successful model updates with the old value. This may not all be necessary.
 */// w  w w  . j a v  a 2  s . c  om
@Override
public void updateModel(final FacesContext context) {
    final Iterator<Entry<SheetRowColIndex, Object>> entries = localValues.entrySet().iterator();
    // Keep track of the dirtied rows for ajax callbacks so we can send
    // updates on what was touched
    final HashSet<String> dirtyRows = new HashSet<String>();
    while (entries.hasNext()) {
        final Entry<SheetRowColIndex, Object> entry = entries.next();

        final Object newValue = entry.getValue();
        final String rowKey = entry.getKey().getRowKey();
        final int col = entry.getKey().getColIndex();
        final SheetColumn column = getColumns().get(col);
        setRowVar(context, rowKey);
        final Object rowVal = rowMap.get(rowKey);

        final ValueExpression ve = column.getValueExpression(PropertyKeys.value.name());
        final ELContext elContext = context.getELContext();
        final Object oldValue = ve.getValue(elContext);
        ve.setValue(elContext, newValue);
        entries.remove();
        appendUpdateEvent(getRowKeyValue(context), col, rowVal, oldValue, newValue);
        dirtyRows.add(rowKey);
    }
    setLocalValueSet(false);
    setRowVar(context, null);

    if (context.getPartialViewContext().isPartialRequest()) {
        renderRowUpdateScript(context, dirtyRows);
    }
}

From source file:org.ajax4jsf.component.UIDataAdaptor.java

/**
 * @return current state of this component.
 *///from w  w  w . j  a  v  a2 s .co m
public DataComponentState getComponentState() {
    DataComponentState state = null;
    if (this._currentState == null) {
        // Check for binding state to user bean.
        ValueExpression valueBinding = getValueExpression(UIDataAdaptor.COMPONENT_STATE_ATTRIBUTE);
        FacesContext facesContext = getFacesContext();
        ELContext elContext = facesContext.getELContext();
        if (null != valueBinding) {
            state = (DataComponentState) valueBinding.getValue(elContext);
            if (null == state) {
                // Create default state
                state = createComponentState();
                if (!valueBinding.isReadOnly(elContext)) {
                    // Store created state in user bean.
                    valueBinding.setValue(elContext, state);
                }
            }
        } else {
            // Check for stored state in map for parent iterations
            String baseClientId = getBaseClientId(facesContext);
            state = (DataComponentState) this._statesMap.get(baseClientId);
            if (null == state) {
                // Create default component state
                state = createComponentState();
                this._statesMap.put(baseClientId, state);
            }
            this._currentState = state;
        }
    } else {
        state = this._currentState;
    }
    return state;
}

From source file:org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.java

/**
 * Specify what column the data should be sorted on.
 * <p/>//from w  ww .j ava  2s  .co m
 * Note that calling this method <i>immediately</i> stores the value
 * via any value-binding with name "sortColumn". This is done because
 * this method is called by the HtmlCommandSortHeader component when
 * the user has clicked on a column's sort header. In this case, the
 * the model getter method mapped for name "value" needs to read this
 * value in able to return the data in the desired order - but the
 * HtmlCommandSortHeader component is usually "immediate" in order to
 * avoid validating the enclosing form. Yes, this is rather hacky -
 * but it works.
 */
public void setSortColumn(String sortColumn) {
    getStateHelper().put(PropertyKeys.sortColumn, sortColumn);
    // update model is necessary here, because processUpdates is never called
    // reason: HtmlCommandSortHeader.isImmediate() == true
    ValueExpression vb = getValueExpression("sortColumn");
    if (vb != null) {
        vb.setValue(getFacesContext().getELContext(), sortColumn);
        getStateHelper().put(PropertyKeys.sortColumn, null);
    }

    setSortColumnIndex(columnNameToIndex(sortColumn));
}

From source file:org.apache.myfaces.component.html.ext.AbstractHtmlDataTable.java

public void setSortAscending(boolean sortAscending) {
    getStateHelper().put(PropertyKeys.sortAscending, sortAscending);

    // update model is necessary here, because processUpdates is never called
    // reason: HtmlCommandSortHeader.isImmediate() == true
    ValueExpression vb = getValueExpression("sortAscending");
    if (vb != null) {
        vb.setValue(getFacesContext().getELContext(), sortAscending);
        getStateHelper().put(PropertyKeys.sortAscending, null);
    }/* w ww  . ja v  a2 s  .co m*/
}