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

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.geotools.util.XmlXpathUtilites.java

/**
 * /*  w  w w.  j  a  v  a 2 s .c om*/
* @param ns namespaces
 * @param xpathString xpath to search on
 * @param doc xml to search
 * @return the (single) value matching the xpath in the xml supplied
 */
public static String getSingleXPathValue(NamespaceSupport ns, String xpathString, Document doc) {
    String id = null;
    JXPathContext context = initialiseContext(ns, doc);
    try {
        Object ob = context.getValue(xpathString);
        id = (String) ob;
    } catch (RuntimeException e) {
        throw new RuntimeException("Error reading xpath " + xpathString, e);
    }
    return id;
}

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

private Object getObjectProperty(Object object, String property) {
    JXPathContext ctx = JXPathContext.newContext(object);
    try {/*from w ww  .j  a va  2s  .c  om*/
        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 ava 2s .com
            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 {/*  w ww.j  a  v a 2 s .  c o  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;// w w  w. j  av  a2  s.  c o  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);
    }//from   w w w . j a v a2  s  . c  om
    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.jbpm.formModeler.core.processing.impl.FormProcessorImpl.java

protected Object getUnbindedFieldValue(String bindingExpression, Map<String, Object> bindingData) {
    if (bindingExpression.indexOf("/") != -1) {
        try {/*from  www.j a  v  a2s . 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  www . jav  a  2 s  .c o m
            return value = ctx.getValue(getProperty());
        } catch (JXPathException jxpe) {
            if (log.isDebugEnabled()) {
                log.debug("Can't read property " + getProperty() + " in " + getBean() + ": ", jxpe);
            }
        }
    }
    return null;
}

From source file:org.jbpm.formModeler.service.bb.mvc.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("bean");
        Object propertyName = getParameter("property");
        if (componentName != null) {
            Object component = CDIBeanLocator.getBeanByNameOrType((String) componentName);
            array = component;/*w  ww  . j  a v a2  s. c  o 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.jkcsoft.java.xml.XMLUtil.java

/**
 * Get Child Element Text.  Good when you have the following:
 * <Object>//from  w ww .  ja v  a 2 s  .co  m
 * <Property1>value1</Property1>
 * <Property2>value2</Property2>
 * </Object>
 * In effect, obj is the node for an object or row of data and
 * property is the name of the property.
 */
public static String getCET(Node obj, String property, String ifnull) throws Exception {
    String retVal = null;
    JXPathContext jxp = JXPathContext.newContext(obj);
    Text text = (org.w3c.dom.Text) jxp.getValue(property);
    if (text == null) {
        //     throw new Exception("Property not found: " + property);
        retVal = ifnull;
    } else {
        retVal = text.getData();
    }
    if (retVal == null)
        retVal = ifnull;
    return retVal;
}