Example usage for org.apache.commons.jxpath JXPathContext getValue

List of usage examples for org.apache.commons.jxpath JXPathContext getValue

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Introduction

In this page you can find the example usage for org.apache.commons.jxpath JXPathContext getValue.

Prototype

public abstract Object getValue(String xpath);

Source Link

Document

Evaluates the xpath and returns the resulting object.

Usage

From source file:org.apache.cocoon.forms.datatype.convertor.BeanConvertor.java

/**
 * @see org.apache.cocoon.forms.datatype.convertor.Convertor#convertToString(java.lang.Object,
 *      java.util.Locale,//w ww.  java2 s .  c om
 *      org.apache.cocoon.forms.datatype.convertor.Convertor.FormatCache)
 */
public String convertToString(final Object value, final Locale locale, final FormatCache formatCache) {
    String idValue = "";

    if (null != value) {
        if (m_idPath != null) {
            final JXPathContext ctx = JXPathContext.newContext(value);
            idValue = ctx.getValue(m_idPath).toString();
        } else {
            idValue = value.toString();
        }
    }

    m_objects.put(idValue, value);

    return idValue;
}

From source file:org.apache.cocoon.forms.datatype.FlowJXPathSelectionList.java

public void generateSaxFragment(ContentHandler contentHandler, Locale locale) throws SAXException {
    JXPathContext ctx = null;// w  w  w.ja v  a  2 s  . c  om
    Iterator iter = null;
    if (model == null) {
        Object flowData = FlowHelper.getContextObject(ContextHelper.getObjectModel(this.context));
        if (flowData == null) {
            throw new SAXException("No flow data to produce selection list");
        }

        // Move to the list location
        ctx = JXPathContext.newContext(flowData);

        // Iterate on all elements of the list
        iter = ctx.iteratePointers(this.listPath);
    } else {
        // Move to the list location
        ctx = JXPathContext.newContext(model);

        // Iterate on all elements of the list
        iter = ctx.iteratePointers(".");
    }

    // Start the selection-list
    contentHandler.startElement(FormsConstants.INSTANCE_NS, SELECTION_LIST_EL,
            FormsConstants.INSTANCE_PREFIX_COLON + SELECTION_LIST_EL, XMLUtils.EMPTY_ATTRIBUTES);
    if (this.nullable) {
        final AttributesImpl voidAttrs = new AttributesImpl();
        voidAttrs.addCDATAAttribute("value", "");
        contentHandler.startElement(FormsConstants.INSTANCE_NS, ITEM_EL,
                FormsConstants.INSTANCE_PREFIX_COLON + ITEM_EL, voidAttrs);

        if (this.nullText != null) {
            contentHandler.startElement(FormsConstants.INSTANCE_NS, LABEL_EL,
                    FormsConstants.INSTANCE_PREFIX_COLON + LABEL_EL, XMLUtils.EMPTY_ATTRIBUTES);

            if (this.nullTextIsI18nKey) {
                if ((this.i18nCatalog != null) && (this.i18nCatalog.trim().length() > 0)) {
                    new I18nMessage(this.nullText, this.i18nCatalog).toSAX(contentHandler);
                } else {
                    new I18nMessage(this.nullText).toSAX(contentHandler);
                }
            } else {
                contentHandler.characters(this.nullText.toCharArray(), 0, this.nullText.length());
            }

            contentHandler.endElement(FormsConstants.INSTANCE_NS, LABEL_EL,
                    FormsConstants.INSTANCE_PREFIX_COLON + LABEL_EL);
        }

        contentHandler.endElement(FormsConstants.INSTANCE_NS, ITEM_EL,
                FormsConstants.INSTANCE_PREFIX_COLON + ITEM_EL);
    }

    while (iter.hasNext()) {
        String stringValue = "";
        Object label = null;

        // Get a context on the current item
        Pointer ptr = (Pointer) iter.next();
        if (ptr.getValue() != null) {
            JXPathContext itemCtx = ctx.getRelativeContext(ptr);

            // Get the value as a string
            Object value = itemCtx.getValue(this.valuePath);

            // List may contain null value, and (per contract with convertors),
            // convertors are not invoked on nulls.
            if (value != null) {
                stringValue = this.datatype.convertToString(value, locale);
            }

            // Get the label (can be ommitted)
            itemCtx.setLenient(true);
            label = itemCtx.getValue(this.labelPath);
            if (label == null) {
                label = stringValue;
            }
        }

        // Output this item
        AttributesImpl itemAttrs = new AttributesImpl();
        itemAttrs.addCDATAAttribute("value", stringValue);
        contentHandler.startElement(FormsConstants.INSTANCE_NS, ITEM_EL,
                FormsConstants.INSTANCE_PREFIX_COLON + ITEM_EL, itemAttrs);
        if (label != null) {
            contentHandler.startElement(FormsConstants.INSTANCE_NS, LABEL_EL,
                    FormsConstants.INSTANCE_PREFIX_COLON + LABEL_EL, XMLUtils.EMPTY_ATTRIBUTES);
            if (label instanceof XMLizable) {
                ((XMLizable) label).toSAX(contentHandler);
            } else if (this.labelIsI18nKey) {
                String stringLabel = label.toString();

                if ((this.i18nCatalog != null) && (this.i18nCatalog.trim().length() > 0)) {
                    new I18nMessage(stringLabel, this.i18nCatalog).toSAX(contentHandler);
                } else {
                    new I18nMessage(stringLabel).toSAX(contentHandler);
                }
            } else {
                String stringLabel = label.toString();
                contentHandler.characters(stringLabel.toCharArray(), 0, stringLabel.length());
            }
            contentHandler.endElement(FormsConstants.INSTANCE_NS, LABEL_EL,
                    FormsConstants.INSTANCE_PREFIX_COLON + LABEL_EL);
        }
        contentHandler.endElement(FormsConstants.INSTANCE_NS, ITEM_EL,
                FormsConstants.INSTANCE_PREFIX_COLON + ITEM_EL);
    }

    // End the selection-list
    contentHandler.endElement(FormsConstants.INSTANCE_NS, SELECTION_LIST_EL,
            FormsConstants.INSTANCE_PREFIX_COLON + SELECTION_LIST_EL);
}

From source file:org.apache.cocoon.forms.formmodel.WidgetTestHelper.java

public static void assertXPathEquals(String message, String expected, String xpath, Document doc) {
    JXPathContext ctx = JXPathContext.newContext(doc);
    ctx.setLenient(true);//w w w.java2s  .co m
    Assert.assertEquals(message, expected, ctx.getValue(xpath));
}

From source file:org.apache.cocoon.forms.samples.bindings.CustomValueWrapBinding.java

/**
 * This unwraps the value from the model by removing the 2 prefix and suffix-chars 
 * before setting it onto the model//  w w w . ja  va2  s  . co m
 * 
 * Method signature and semantics complies to {@link AbstractCustomBinding#doLoad(Widget, JXPathContext)}
 */
public void doLoad(Widget frmModel, JXPathContext jxpc) throws BindingException {
    String appValue = (String) jxpc.getValue(getXpath());
    String formValue = null;
    if (appValue.startsWith(this.prefix) && appValue.endsWith(suffix)
            && appValue.length() >= this.prefix.length() + this.suffix.length()) {
        formValue = appValue.substring(this.prefix.length(), appValue.length() - this.suffix.length());
    }
    frmModel.setValue(formValue);
}

From source file:org.apache.cocoon.portal.components.modules.input.CopletModule.java

public Object getAttribute(String name, Configuration modeConf, Map objectModel) throws ConfigurationException {
    PortalService portalService = null;//from   w  w w  .  jav a2  s  .com
    try {

        portalService = (PortalService) this.manager.lookup(PortalService.ROLE);

        // determine coplet id
        String copletId = null;
        Map context = (Map) objectModel.get(ObjectModelHelper.PARENT_CONTEXT);
        if (context != null) {
            copletId = (String) context.get(Constants.COPLET_ID_KEY);
        } else {
            copletId = (String) objectModel.get(Constants.COPLET_ID_KEY);
        }

        if (copletId == null) {
            return null;
        }

        // return the coplet id
        if (name.equals("#")) {
            return copletId;
        }
        JXPathContext jxpathContext = JXPathContext.newContext(
                portalService.getComponentManager().getProfileManager().getCopletInstanceData(copletId));
        return jxpathContext.getValue(name);
    } catch (ServiceException e) {
        throw new ConfigurationException("Unable to lookup portal service.", e);
    } finally {
        this.manager.release(portalService);
    }
}

From source file:org.apache.cocoon.portal.components.modules.input.LayoutModule.java

public Object getAttribute(String name, Configuration modeConf, Map objectModel) throws ConfigurationException {
    PortalService portalService = null;/*from  ww w .  j  a va  2  s. c  o  m*/
    try {

        portalService = (PortalService) this.manager.lookup(PortalService.ROLE);

        int pos = name.indexOf('/');
        String path;
        if (pos == -1) {
            path = null;
        } else {
            path = name.substring(pos + 1);
            name = name.substring(0, pos);
        }
        // is the layout key specified?
        pos = name.indexOf(':');
        String layoutKey = null;
        String layoutId = name;
        if (pos != -1) {
            layoutKey = name.substring(0, pos);
            layoutId = name.substring(pos + 1);
        }

        // get the layout
        final Object layout = portalService.getComponentManager().getProfileManager().getPortalLayout(layoutKey,
                layoutId);
        Object value = layout;
        if (layout != null && path != null) {
            final JXPathContext jxpathContext = JXPathContext.newContext(layout);
            value = jxpathContext.getValue(path);
        }
        return value;
    } catch (ServiceException e) {
        throw new ConfigurationException("Unable to lookup portal service.", e);
    } finally {
        this.manager.release(portalService);
    }
}

From source file:org.apache.cocoon.portal.transformation.CopletTransformer.java

/**
 * Overridden from superclass./* www  . ja v  a  2  s . c  o m*/
 */
public void startTransformingElement(String uri, String name, String raw, Attributes attr)
        throws ProcessingException, IOException, SAXException {
    if (name.equals(COPLET_ELEM)) {
        String expression = attr.getValue(SELECT_ATTR);
        if (expression == null) {
            throw new ProcessingException("Attribute " + SELECT_ATTR + " must be spcified.");
        }

        final CopletInstanceData cid = this.getCopletInstanceData();

        final JXPathContext jxpathContext = JXPathContext.newContext(cid);
        final Object object = jxpathContext.getValue(expression);

        if (object != null) {
            XMLUtils.valueOf(contentHandler, object);
        }

    } else if (name.equals(LINK_ELEM)) {

        final LinkService linkService = this.portalService.getComponentManager().getLinkService();
        final String format = attr.getValue("format");
        AttributesImpl newAttrs = new AttributesImpl();
        newAttrs.setAttributes(attr);
        newAttrs.removeAttribute("format");

        if (attr.getValue("href") != null) {
            final CopletInstanceData cid = this.getCopletInstanceData();
            ChangeCopletInstanceAspectDataEvent event = new ChangeCopletInstanceAspectDataEvent(cid, null,
                    null);

            String value = linkService.getLinkURI(event);
            if (value.indexOf('?') == -1) {
                value = value + '?' + attr.getValue("href");
            } else {
                value = value + '&' + attr.getValue("href");
            }
            newAttrs.removeAttribute("href");
            this.output(value, format, newAttrs);
        } else {
            final String path = attr.getValue("path");
            final String value = attr.getValue("value");

            newAttrs.removeAttribute("path");
            newAttrs.removeAttribute("value");

            JXPathEvent event = null;
            if (attr.getValue("layout") != null) {
                newAttrs.removeAttribute("layout");
                final String layoutId = attr.getValue("layout");
                Object layout = this.portalService.getComponentManager().getProfileManager()
                        .getPortalLayout(null, layoutId);
                if (layout != null) {
                    event = new JXPathEvent(layout, path, value);
                }
            } else {
                String copletId = attr.getValue("coplet");
                newAttrs.removeAttribute("coplet");
                final CopletInstanceData cid = this.getCopletInstanceData(copletId);
                if (cid != null) {
                    event = new CopletJXPathEvent(cid, path, value);
                }
            }
            if (this.insideLinks) {
                if (event != null) {
                    this.collectedEvents.add(event);
                }
            } else {
                final String href = linkService.getLinkURI(event);
                this.output(href, format, newAttrs);
            }
        }
    } else if (name.equals(PARAMETER_ELEM)) {
        if (this.insideLinks) {
            String href = attr.getValue("href");
            if (href != null) {
                final int pos = href.indexOf('?');
                if (pos != -1) {
                    href = href.substring(pos + 1);
                }
                this.collectedEvents.add(new LinkService.ParameterDescription(href));
            }
        }
    } else if (name.equals(LINKS_ELEM)) {
        this.insideLinks = true;
        final AttributesImpl newAttrs = new AttributesImpl();
        newAttrs.setAttributes(attr);
        newAttrs.removeAttribute("format");
        this.stack.push(newAttrs);

        String format = attr.getValue("format");
        if (format == null) {
            format = "html-link";
        }
        this.stack.push(format);
    } else if (name.equals(CONTENT_ELEM) && this.insideLinks) {
        this.startSAXRecording();
    } else {
        super.startTransformingElement(uri, name, raw, attr);
    }
}

From source file:org.apache.cocoon.taglib.VarTagSupport.java

protected final Object getVariable(String name) {
    JXPathContext context = getVariableContext();
    if (name.charAt(0) == '$') {
        return context.getValue(name);
    }// www.  java2 s. c o m
    return context.getVariables().getVariable(name);
    //getRequest().getAttribute(name);
}

From source file:org.apache.cocoon.woody.binding.RepeaterJXPathBinding.java

/**
 * /*from  w w w .  ja  v a  2s .  com*/
 * @param rowContext
 * @return
 */
private List getMatchIds(JXPathContext rowContext) {
    List matchIds = new ArrayList();
    Iterator iter = this.uniqueRowBinding.iterator();
    while (iter.hasNext()) {
        UniqueFieldJXPathBinding key = (UniqueFieldJXPathBinding) iter.next();
        Object matchId = rowContext.getValue(key.getXpath());
        if (matchId != null && key.getConvertor() != null) {
            if (matchId instanceof String) {
                matchId = key.getConvertor().convertFromString((String) matchId, key.getConvertorLocale(),
                        null);
            } else {
                if (getLogger().isWarnEnabled()) {
                    getLogger().warn("Convertor ignored on backend-value " + "which isn't of type String.");
                }
            }
        }
        matchIds.add(matchId);
    }
    return matchIds;
}

From source file:org.apache.cocoon.woody.binding.UniqueFieldJXPathBinding.java

/**
 * Actively performs the binding from the ObjectModel wrapped in a jxpath
 * context to the Woody-form-widget specified in this object.
 *//*  www  . j  a v a 2  s.c o m*/
public void doLoad(Widget frmModel, JXPathContext jxpc) throws BindingException {
    Widget widget = frmModel.getWidget(this.fieldId);
    if (widget == null) {
        throw new BindingException("The widget with the ID [" + this.fieldId
                + "] referenced in the binding does not exist in the form definition.");
    }

    Object value = jxpc.getValue(this.xpath);
    if (value != null && convertor != null) {
        if (value instanceof String) {
            value = convertor.convertFromString((String) value, convertorLocale, null);
        } else {
            getLogger().warn("Convertor ignored on backend-value which isn't of type String.");
        }
    }

    widget.setValue(value);
    if (getLogger().isDebugEnabled()) {
        getLogger().debug("Done loading " + toString() + " -- value= " + value);
    }
}