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

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

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Introduction

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

Prototype

public static JXPathContext newContext(Object contextBean)

Source Link

Document

Creates a new JXPathContext with the specified object as the root node.

Usage

From source file:org.jboss.dashboard.factory.Component.java

protected Object makeAndSetNewInstance() {
    LookupHelper helper = ComponentsContextManager.getLookupHelper();
    synchronized (helper.getSynchronizationObject(getScope())) {
        Object object = null;/*w w  w.  java 2s . c  om*/
        if (status == STATUS_VALID) {
            if (log.isDebugEnabled())
                log.debug("Making and initializing new " + clazz);

            if (scope.equals(SCOPE_GLOBAL)) {
                try {
                    object = componentClass.getMethod("getInstance", new Class[0]).invoke(null, new Object[0]);
                } catch (Exception e) {
                    if (log.isDebugEnabled())
                        log.debug("Error using getInstance() method on " + clazz);
                }
            }

            if (object == null)
                try {
                    object = componentClass.getConstructor(new Class[0]).newInstance(new Object[0]);
                } catch (Exception e) {
                    log.error("Error creating instance for component " + name + " :", e);
                }
            //End. Object should be created now
            if (object == null) {
                status = STATUS_INVALID;
                log.error("Make sure the component class has a default public constructor"
                        + (scope.equals(SCOPE_GLOBAL) ? ", or a static getInstance() method." : "."));
            } else {
                if (object instanceof FactoryLifecycle) {
                    try {
                        if (object instanceof BasicFactoryElement) {
                            ((BasicFactoryElement) object).setComponentName(name);
                            ((BasicFactoryElement) object).setComponentScope(scope);
                            ((BasicFactoryElement) object).setComponentDescription(description);
                            ((BasicFactoryElement) object).setComponentAlias(alias);
                        }
                        ((FactoryLifecycle) object).init();
                        ((FactoryLifecycle) object).stop();
                    } catch (Exception e) {
                        log.error("Error in component lifecycle ", e);
                    }
                }
                setTheInstance(object);
                JXPathContext ctx = JXPathContext.newContext(object);
                for (Iterator it = componentConfiguredProperties.keySet().iterator(); it.hasNext();) {
                    String propertyName = (String) it.next();
                    List propertyValue = (List) componentConfiguredProperties.get(propertyName);
                    try {
                        setObjectProperty(object, propertyName, propertyValue, ctx);
                    } catch (Exception e) {
                        log.error("Error. Cannot set property " + getName() + "." + propertyName
                                + " with configured values " + propertyValue, e);
                    }
                }
                status = STATUS_VALID;
                if (object instanceof FactoryLifecycle) {
                    try {
                        ((FactoryLifecycle) object).start();
                    } catch (Exception e) {
                        log.error("Error in component lifecycle ", e);
                    }
                }
                setCreationOrderNumber(getTree().getNewOrderCounter());
            }
        } else {
            log.error("Infinite loop detected. Caused by component " + name
                    + " or some other component used by it.");
        }
        return object;
    }
}

From source file:org.jboss.dashboard.factory.Component.java

protected Object setObjectProperty(Object obj, String propertyName, List propertyValue, JXPathContext ctx)
        throws Exception {
    if (log.isDebugEnabled())
        log.debug("Setting in " + clazz + " property " + propertyName + " with values " + propertyValue);
    if (obj instanceof Map) {
        ((Map) obj).put(propertyName, getValueForProperty(propertyValue, String.class)); //Map of Strings
    } else if (obj instanceof List) {
        try {//from   w  w w  .  j a v  a2 s  . c om
            int index = Integer.parseInt(propertyName);
            while (((List) obj).size() <= index)
                ((List) obj).add(null);
            ((List) obj).set(index, getValueForProperty(propertyValue, String.class)); //List of Strings
        } catch (Exception e) {
            log.error("Error setting position " + propertyName + " in List " + name + ". ", e);
        }
    } else if (propertyName.indexOf('.') != -1) { //Set it by JXPath, valid only for strings
        ctx = ctx != null ? ctx : JXPathContext.newContext(obj);
        ctx.setValue(propertyName.replace('.', '/'), getValueForProperty(propertyValue, String.class));
    } else {
        //Find a Field
        Field field = getField(obj, propertyName);
        if (field != null) {
            Class fieldClass = field.getType();
            Object value = getValueForProperty(propertyValue, fieldClass);
            field.set(obj, value);
            return obj;
        }

        // Find a getter and setter.
        Method getter = getGetter(obj, propertyName);
        if (getter == null) {
            log.error("Cannot find a getter for property " + propertyName + " in class " + clazz
                    + ". Ignoring property.");
            return obj;
        }
        Method setter = getSetter(obj, getter, propertyName);
        if (setter == null) {
            log.error("Cannot find a setter for property " + propertyName + " in class " + clazz
                    + ". Ignoring property.");
            return obj;
        }
        Object value = getValueForProperty(propertyValue, getter.getReturnType());
        if (log.isDebugEnabled())
            log.debug("Invoking " + setter + " with value=" + value);
        setter.invoke(obj, new Object[] { value });
    }
    return obj;
}

From source file:org.jboss.dashboard.ui.formatters.ForComparator.java

private Object getObjectProperty(Object object, String property) {
    JXPathContext ctx = JXPathContext.newContext(object);
    try {/*from  ww w.j  a  va2 s .  c  o m*/
        return ctx.getValue(property);
    } catch (Exception e) {
        if (log.isDebugEnabled())
            log.debug("Invalid property '" + property + "' ", e);
    }
    return null;
}

From source file:org.jboss.dashboard.ui.formatters.ForFormatter.java

public void service(HttpServletRequest request, HttpServletResponse response) throws FormatterException {
    log.debug("Servicing ForFormatter.");
    Object array = getParameter("array");
    if (array == null) {
        Object componentName = getParameter("factoryElement");
        Object propertyName = getParameter("property");
        if (componentName != null) {
            Object component = CDIBeanLocator.getBeanByNameOrType((String) componentName);
            array = component;// w  w  w  .  j  av a 2 s.c om
            if (propertyName != null) {
                JXPathContext ctx = JXPathContext.newContext(component);
                try {
                    array = ctx.getValue((String) propertyName);
                } catch (Exception e) {
                    log.debug("Error:", e);
                }
            }
        }
    }
    String sortProperties = (String) getParameter("sortProperties");

    Iterator iterator = null;
    if (array == null) {
        renderFragment("empty");
        return;
    }

    if (array instanceof Collection) {
        iterator = ((Collection) array).iterator();
    } else if (array.getClass().isArray()) {
        final Object theArray = array;
        iterator = new Iterator() {
            int index = 0;

            public void remove() {
                throw new UnsupportedOperationException();
            }

            public boolean hasNext() {
                return Array.getLength(theArray) > index;
            }

            public Object next() {
                return Array.get(theArray, index++);
            }
        };
    } else if (array instanceof Iterator) {
        iterator = (Iterator) array;
    } else if (array instanceof Enumeration) {
        List l = new ArrayList();
        while (((Enumeration) array).hasMoreElements()) {
            l.add(((Enumeration) array).nextElement());
        }
        iterator = l.iterator();
    }

    if (sortProperties != null) {
        iterator = getSortedIterator(iterator, sortProperties);
    }

    if (iterator != null && iterator.hasNext()) {
        renderFragment("outputStart");
        int i = 0;
        while (iterator.hasNext()) {
            Object o = iterator.next();
            setAttribute("index", new Integer(i));
            setAttribute("count", new Integer(++i));
            if (o != null)
                setAttribute("element", o);
            else
                setAttribute("element", getParameter("nullValue"));
            renderFragment("output");
        }
        renderFragment("outputEnd");
    } else {
        renderFragment("empty");
    }
}

From source file:org.jboss.dashboard.ui.taglib.factory.PropertyTag.java

protected Object getValue() {
    if (value != null)
        return value;

    Object beanObject = CDIBeanLocator.getBeanByNameOrType(getBeanName());
    if (beanObject != null) {
        JXPathContext ctx = JXPathContext.newContext(beanObject);
        try {/*from w ww .j av a2 s . co  m*/
            return value = ctx.getValue(getProperty());
        } catch (JXPathException jxpe) {
            log.warn("Can't read property " + getProperty() + " in " + getBeanName() + ": ", jxpe);
        }
    }
    return null;
}

From source file:org.jboss.dashboard.ui.taglib.formatter.ForFormatter.java

public void service(HttpServletRequest request, HttpServletResponse response) throws FormatterException {
    log.debug("Servicing ForFormatter.");
    Object array = getParameter("array");
    if (array == null) {
        Object componentName = getParameter("factoryElement");
        Object propertyName = getParameter("property");
        if (componentName != null) {
            Object component = Factory.lookup((String) componentName);
            array = component;/*from  www.  j a va 2s  . co m*/
            if (propertyName != null) {
                JXPathContext ctx = JXPathContext.newContext(component);
                try {
                    array = ctx.getValue((String) propertyName);
                } catch (Exception e) {
                    log.debug("Error:", e);
                }
            }
        }
    }
    String sortProperties = (String) getParameter("sortProperties");

    Iterator iterator = null;
    if (array == null) {
        renderFragment("empty");
        return;
    }

    if (array instanceof Collection) {
        iterator = ((Collection) array).iterator();
    } else if (array.getClass().isArray()) {
        final Object theArray = array;
        iterator = new Iterator() {
            int index = 0;

            public void remove() {
                throw new UnsupportedOperationException();
            }

            public boolean hasNext() {
                return Array.getLength(theArray) > index;
            }

            public Object next() {
                return Array.get(theArray, index++);
            }
        };
    } else if (array instanceof Iterator) {
        iterator = (Iterator) array;
    } else if (array instanceof Enumeration) {
        List l = new ArrayList();
        while (((Enumeration) array).hasMoreElements()) {
            l.add(((Enumeration) array).nextElement());
        }
        iterator = l.iterator();
    }

    if (sortProperties != null) {
        iterator = getSortedIterator(iterator, sortProperties);
    }

    if (iterator != null && iterator.hasNext()) {
        renderFragment("outputStart");
        int i = 0;
        while (iterator.hasNext()) {
            Object o = iterator.next();
            setAttribute("index", new Integer(i));
            setAttribute("count", new Integer(++i));
            if (o != null)
                setAttribute("element", o);
            else
                setAttribute("element", getParameter("nullValue"));
            renderFragment("output");
        }
        renderFragment("outputEnd");
    } else {
        renderFragment("empty");
    }
}

From source file:org.jboss.dashboard.ui.taglib.formatter.FragmentTag.java

public Object getParam(String name) {
    FormatterTag parent = (FormatterTag) getParent();
    Object value = parent.getFragmentParams().get(name);
    if (value == null && parent.getFormaterTagDynamicAttributesInterpreter() != null) {
        value = parent.getFormaterTagDynamicAttributesInterpreter().getValueForParameter(name);
    }/*ww w .ja v a  2  s .  co m*/
    if (value == null && name.indexOf('/') != -1)
        try {
            log.debug("Attempt JXPath detection of param...");
            JXPathContext ctx = JXPathContext.newContext(parent.getFragmentParams());
            ctx.setLenient(false);
            value = ctx.getValue(name);
            if (value == null && parent.getFormaterTagDynamicAttributesInterpreter() != null) {
                String firstName = name.substring(0, name.indexOf('/'));
                Object firstValue = parent.getFormaterTagDynamicAttributesInterpreter()
                        .getValueForParameter(firstName);
                if (firstValue != null) {
                    ctx = JXPathContext.newContext(firstValue);
                    ctx.setLenient(false);
                    value = ctx.getValue(name.substring(name.indexOf('/') + 1));
                }
            }
        } catch (Exception e) {
            if (log.isDebugEnabled())
                log.warn("Error getting attribute " + value + " in params.");
        }
    return value;
}

From source file:org.jboss.dashboard.ui.taglib.PropertyReadTag.java

protected Object getPropertyValue() {
    log.debug("Getting property " + property + " from " + object);
    Object subjectOfTheGetter = null;
    if ("workspace".equalsIgnoreCase(object)) {
        subjectOfTheGetter = NavigationManager.lookup().getCurrentWorkspace();
    } else if ("section".equalsIgnoreCase(object)) {
        subjectOfTheGetter = NavigationManager.lookup().getCurrentSection();
    } else if ("panel".equalsIgnoreCase(object)) {
        subjectOfTheGetter = RequestContext.lookup().getActivePanel();
    } else if ("request".equalsIgnoreCase(object)) {
        subjectOfTheGetter = RequestContext.lookup().getRequest();
    } else if ("session".equalsIgnoreCase(object)) {
        subjectOfTheGetter = RequestContext.lookup().getRequest().getSessionObject();
    } else {//from  w w w  . j  a  v  a  2s .c o  m
        log.warn("Invalid object to get property from: " + object);
    }
    if (subjectOfTheGetter == null) {
        log.debug("Cannot get current " + object);
        return null;
    }
    try {
        Object val = JXPathContext.newContext(subjectOfTheGetter).getValue(property);
        if (localize != null && localize.booleanValue() && val instanceof Map) {
            return StringEscapeUtils.ESCAPE_ECMASCRIPT
                    .translate(StringEscapeUtils.ESCAPE_HTML4.translate((String) (localize((Map) val))));
        }
        return StringEscapeUtils.ESCAPE_ECMASCRIPT
                .translate(StringEscapeUtils.ESCAPE_HTML4.translate((String) val));
    } catch (Exception e) {
        log.warn("Error accessing property " + property + " in " + object + "." + e);
        return null;
    }
}

From source file:org.jbpm.formModeler.core.processing.impl.FormProcessorImpl.java

protected Object getUnbindedFieldValue(String bindingExpression, Map<String, Object> bindingData) {
    if (bindingExpression.indexOf("/") != -1) {
        try {// w ww  .j av a2  s .  c o  m
            String root = bindingExpression.substring(0, bindingExpression.indexOf("/"));
            String expression = bindingExpression.substring(root.length() + 1);

            Object object = bindingData.get(root);
            JXPathContext ctx = JXPathContext.newContext(object);
            return ctx.getValue(expression);
        } catch (Exception e) {
            log.warn("Error getting value for xpath xpression '{}': {}", bindingExpression, e);
        }
    }
    return bindingData.get(bindingExpression);
}

From source file:org.jbpm.formModeler.service.bb.mvc.taglib.factory.PropertyTag.java

protected Object getValue() throws Exception {
    if (value != null)
        return value;
    Object beanObject = CDIBeanLocator.getBeanByNameOrType(getBean());
    if (beanObject != null) {
        JXPathContext ctx = JXPathContext.newContext(beanObject);
        try {/*from  ww  w.jav  a  2  s . c om*/
            return value = ctx.getValue(getProperty());
        } catch (JXPathException jxpe) {
            if (log.isDebugEnabled()) {
                log.debug("Can't read property " + getProperty() + " in " + getBean() + ": ", jxpe);
            }
        }
    }
    return null;
}