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.onecmdb.core.utils.xpath.generator.CSVContentGenerator.java

public void transfer(OutputStream out) {
    log.debug("Debug Query path <" + cmd.getPath() + ">");
    PrintWriter text = new PrintWriter(new OutputStreamWriter(out), false);
    Iterator<Pointer> iter = cmd.getPathPointers();

    // Need to peek inside the iter.
    Pointer p = null;/*w  w  w. j  a  va  2 s  . c  om*/
    if (iter.hasNext()) {
        p = (Pointer) iter.next();
    }

    boolean first = true;

    String[] outputAttributes = cmd.getOutputAttributeAsArray();

    if (outputAttributes.length == 1 && outputAttributes[0].equals("*")) {
        // Expand all.
        if (p != null) {
            Object v = p.getValue();
            if (v instanceof IDynamicHandler) {
                IDynamicHandler dynBean = (IDynamicHandler) v;
                outputAttributes = dynBean.getProperties();
            }
        }
    }

    if (outputAttributes.length == 0) {
        out(text, cmd.getPath());
    } else {
        for (int i = 0; i < outputAttributes.length; i++) {
            String outAttr = outputAttributes[i];
            text.print(cmd.getPath() + "/" + outAttr);
            if (i < (outputAttributes.length - 1)) {
                out(text, delimiter);
            }
        }
    }

    outln(text, "");
    if (p != null) {
        do {
            if (p == null) {
                p = iter.next();
            }
            if (outputAttributes.length == 0) {
                out(text, p.getValue().toString());
            } else {
                for (int i = 0; i < outputAttributes.length; i++) {
                    String outputAttribute = outputAttributes[i];
                    if (false) {
                        JXPathContext context = cmd.getRelativeContext(p);

                        Object o = context.getValue(outputAttribute);
                        if (o != null) {
                            if (o instanceof List) {
                                if (((List) o).size() == 1) {
                                    o = ((List) o).get(0);
                                }
                            }
                            out(text, o.toString());
                        }
                    }
                    if (true) {
                        Iterator<Pointer> outputAttrPointersIter = cmd.getRelativePointers(p, outputAttribute);
                        while (outputAttrPointersIter.hasNext()) {
                            Pointer outputPointer = outputAttrPointersIter.next();
                            String value = outputPointer.getValue().toString();
                            out(text, value);
                            if (outputAttrPointersIter.hasNext()) {
                                out(text, ",");
                            }
                        }
                    }
                    if (i < (outputAttributes.length - 1)) {
                        out(text, delimiter);
                    }

                }
            }
            outln(text, "");
            p = null;
        } while (iter.hasNext());
    }
    text.flush();
}

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From source file:org.openinfinity.core.aspect.ArgumentBuilder.java

/**
 * Executes field callbacks on found and defined attribute names.
 * //w ww.  j  a v  a2s  . c  om
 * @param argumentGatheringCallback Represents the actual callback method.
 * @param arguments Represents the arguments for method.
 * @param allowedFields Represents the allowed argument's field names.
 */
public void executeArgumentGatheringCallbackBasedOnDefinedFields(
        ArgumentGatheringFieldCallback<Field, Object> argumentGatheringCallback, Object[] arguments,
        String[] allowedFields) {
    for (String allowedField : allowedFields) {
        for (Object object : arguments) {
            try {
                JXPathContext context = JXPathContext.newContext(object);
                Object value = context.getValue(allowedField);
                String argument = object == null ? "null argument" : object.getClass().getName();
                generateKeyValueString(builder, object, value, argument);
                Field field = getField(allowedField, object, argument);
                if (!field.isAccessible()) {
                    field.setAccessible(true);
                }
                argumentGatheringCallback.onField(field, object);
            } catch (Throwable throwable) {
                LOGGER.warn(ExceptionUtil.getStackTraceString(throwable));
            }
        }
    }
}

---

From source file:org.openinfinity.core.aspect.ArgumentBuilder.java

/**
 * Returns builded argument information based on allowed field names presented by using XPATH.
 * //from  w  w  w .  ja  va 2s .  co m
 * @param name
 * @param argumentInfo
 * @return
 */
public void extractArgumentInfoByFilteringFields(JoinPoint joinPoint, String[] allowedFields) {
    Object[] objects = joinPoint.getArgs();
    if (objects.length > 0) {
        for (String allowedField : allowedFields) {
            for (Object object : objects) {
                try {
                    JXPathContext context = JXPathContext.newContext(object);
                    Object value = context.getValue(allowedField);
                    builder.append(
                            object == null ? "null argument" : object.getClass().getName() + "." + allowedField)
                            .append("=[").append((value == null ? "null value" : (value))).append("] ");
                } catch (Throwable throwable) {
                    LOGGER.warn(ExceptionUtil.getStackTraceString(throwable));
                }
            }
        }
    } else {
        builder.append("without any parameters");
    }
}

---

From source file:org.openinfinity.core.aspect.ArgumentGatheringJoinPointInterceptor.java

private void buildFieldBasedArgumentInformation(String[] allowedFields, StringBuilder builder,
        Object[] objects) {//from ww w  . j  av a2s .  c om
    for (String allowedField : allowedFields) {
        for (Object object : objects) {
            try {
                JXPathContext context = JXPathContext.newContext(object);
                Object value = context.getValue(allowedField);
                builder.append(
                        object == null ? "null argument" : object.getClass().getName() + "." + allowedField)
                        .append("=[").append((value == null ? "null value" : (value))).append("] ");
            } catch (Throwable throwable) {
                LOGGER.warn(ExceptionUtil.getStackTraceString(throwable));
            }
        }
    }
}

---

From source file:org.openlmis.fulfillment.service.OrderCsvHelper.java

private Object getColumnValue(int counter, JXPathContext orderContext, JXPathContext lineItemContext,
        OrderFileColumn orderFileColumn) {
    Object columnValue;//  w w w .  j a va 2s . c  o  m

    switch (orderFileColumn.getNested()) {
    case STRING:
        columnValue = orderFileColumn.getKeyPath();
        break;
    case LINE_NO:
        columnValue = counter;
        break;
    case ORDER:
        columnValue = orderContext.getValue(orderFileColumn.getKeyPath());
        break;
    default:
        columnValue = lineItemContext.getValue(orderFileColumn.getKeyPath());
        break;
    }

    if (orderFileColumn.getRelated() != null && !orderFileColumn.getRelated().isEmpty()) {
        columnValue = getRelatedColumnValue((UUID) columnValue, orderFileColumn);
    }

    return columnValue == null ? "" : columnValue;
}

---

From source file:org.openlmis.fulfillment.service.OrderCsvHelper.java

private Object getValue(Object object, String keyPath) {
    JXPathContext context = JXPathContext.newContext(object);

    return context.getValue(keyPath);
}

---

From source file:org.openlmis.order.helper.OrderCsvHelper.java

private Object getColumnValue(int counter, JXPathContext orderContext, JXPathContext lineItemContext,
        OrderFileColumn orderFileColumn) {
    Object columnValue;/*  w  w  w .ja v  a2  s .  c o  m*/

    switch (orderFileColumn.getNested()) {
    case STRING:
        columnValue = orderFileColumn.getKeyPath();
        break;
    case LINE_NO:
        columnValue = counter;
        break;
    case ORDER:
        columnValue = orderContext.getValue(orderFileColumn.getKeyPath());
        break;
    default:
        columnValue = lineItemContext.getValue(orderFileColumn.getKeyPath());
        break;
    }
    return columnValue;
}

---

From source file:org.opennms.protocols.json.collector.AbstractJsonCollectionHandler.java

/**
 * Fill collection set.// ww  w.j a  va  2s  . c  o  m
 *
 * @param agent the agent
 * @param collectionSet the collection set
 * @param source the source
 * @param json the JSON Object
 * @throws ParseException the parse exception
 */
@SuppressWarnings("unchecked")
protected void fillCollectionSet(CollectionAgent agent, XmlCollectionSet collectionSet, XmlSource source,
        JSONObject json) throws ParseException {
    XmlCollectionResource nodeResource = new XmlSingleInstanceCollectionResource(agent);
    JXPathContext context = JXPathContext.newContext(json);
    for (XmlGroup group : source.getXmlGroups()) {
        LOG.debug("fillCollectionSet: getting resources for XML group {} using XPATH {}", group.getName(),
                group.getResourceXpath());
        Date timestamp = getTimeStamp(context, group);
        Iterator<Pointer> itr = context.iteratePointers(group.getResourceXpath());
        while (itr.hasNext()) {
            JXPathContext relativeContext = context.getRelativeContext(itr.next());
            String resourceName = getResourceName(relativeContext, group);
            LOG.debug("fillCollectionSet: processing XML resource {} of type {}", resourceName,
                    group.getResourceType());
            XmlCollectionResource collectionResource;
            if (group.getResourceType().equalsIgnoreCase(CollectionResource.RESOURCE_TYPE_NODE)) {
                collectionResource = nodeResource;
            } else {
                collectionResource = getCollectionResource(agent, resourceName, group.getResourceType(),
                        timestamp);
            }
            LOG.debug("fillCollectionSet: processing resource {}", collectionResource);
            AttributeGroupType attribGroupType = new AttributeGroupType(group.getName(), group.getIfType());
            for (XmlObject object : group.getXmlObjects()) {
                try {
                    Object obj = relativeContext.getValue(object.getXpath());
                    if (obj != null) {
                        String value = obj.toString();
                        XmlCollectionAttributeType attribType = new XmlCollectionAttributeType(object,
                                attribGroupType);
                        collectionResource.setAttributeValue(attribType, value);
                    }
                } catch (JXPathException ex) {
                    LOG.warn("Unable to get value for {}: {}", object.getXpath(), ex.getMessage());
                }
            }
            processXmlResource(collectionResource, attribGroupType);
            collectionSet.getCollectionResources().add(collectionResource);
        }
    }
}

---

From source file:org.opennms.protocols.json.collector.AbstractJsonCollectionHandler.java

/**
 * Gets the resource name.//from   w ww  .java 2 s  . c om
 *
 * @param context the JXpath context
 * @param group the group
 * @return the resource name
 */
private String getResourceName(JXPathContext context, XmlGroup group) {
    // Processing multiple-key resource name.
    if (group.hasMultipleResourceKey()) {
        List<String> keys = new ArrayList<String>();
        for (String key : group.getXmlResourceKey().getKeyXpathList()) {
            LOG.debug("getResourceName: getting key for resource's name using {}", key);
            String keyName = (String) context.getValue(key);
            keys.add(keyName);
        }
        return StringUtils.join(keys, "_");
    }
    // If key-xpath doesn't exist or not found, a node resource will be assumed.
    if (group.getKeyXpath() == null) {
        return "node";
    }
    // Processing single-key resource name.
    LOG.debug("getResourceName: getting key for resource's name using {}", group.getKeyXpath());
    return (String) context.getValue(group.getKeyXpath());
}

---

From source file:org.opennms.protocols.json.collector.AbstractJsonCollectionHandler.java

/**
 * Gets the time stamp./*from  w w  w  .j  a  v  a  2  s .co m*/
 * 
 * @param context the JXPath context
 * @param group the group
 * @return the time stamp
 */
protected Date getTimeStamp(JXPathContext context, XmlGroup group) {
    if (group.getTimestampXpath() == null) {
        return null;
    }
    String pattern = group.getTimestampFormat() == null ? "yyyy-MM-dd HH:mm:ss" : group.getTimestampFormat();
    LOG.debug(
            "getTimeStamp: retrieving custom timestamp to be used when updating RRDs using XPATH {} and pattern {}",
            group.getTimestampXpath(), pattern);
    Date date = null;
    String value = (String) context.getValue(group.getTimestampXpath());
    try {
        DateTimeFormatter dtf = DateTimeFormat.forPattern(pattern);
        DateTime dateTime = dtf.parseDateTime(value);
        date = dateTime.toDate();
    } catch (Exception e) {
        LOG.warn("getTimeStamp: can't convert custom timestamp {} using pattern {}", value, pattern);
    }
    return date;
}

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