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

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.mitre.ptmatchadapter.format.SimplePatientCsvFormatTest.java

@Test
public void testToCsv() {
    final SimplePatientCsvFormat fmt = new SimplePatientCsvFormat();

    Patient patient = newPatient();//from   ww w .j a  v a  2s. c  om

    JXPathContext patientCtx = JXPathContext.newContext(patient);
    Pointer ptr = patientCtx.getPointer("identifier[system='SSN']");
    assertNotNull(ptr);
    Identifier id = (Identifier) ptr.getValue();
    if (id != null) {
        assertNotNull("ssn", id.getValue());
    }
    Object obj1 = ptr.getNode();

    ptr = patientCtx.getPointer("name[use='official']");
    assertNotNull(ptr);
    Object obj2 = ptr.getValue();
    ptr = patientCtx.getPointer("name[not(use)]");
    assertNotNull(ptr);
    obj2 = ptr.getValue();

    String str = fmt.toCsv(patient);
    LOG.info("CSV: {}", str);
    assertTrue(str.length() > 0);
    // Ensure the literal, null doesn't appear
    assertTrue(!str.contains("null"));
    // Ensure there is no sign of array delimiters
    assertTrue(!str.contains("["));
    // Ensure line doesn't end with a comma
    assertTrue(!str.endsWith(","));
    assertTrue(str.contains("Smith"));

    List<ContactPoint> matches = ContactPointUtil.find(patient.getTelecom(), ContactPointSystem.PHONE,
            ContactPointUse.WORK);
    assertNotNull(matches);
    assertNotNull(matches.get(0));
}

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From source file:org.mskcc.pathdb.lucene.ConfigurableIndexCollector.java

/**
 * Initialises the class to search over the given entry object. This MUST be
 * done before any searching can commence
 *
 * @param entry A PSI-MI Entry Object/*  w  ww .j av  a  2 s.  c om*/
 */
public void setContext(Entry entry) {
    context = JXPathContext.newContext(entry);
    resetIterator();
}

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From source file:org.mule.module.xml.expression.JXPathExpressionEvaluator.java

private JXPathContext createContextForXml(final Document document) {
    Container container = new Container() {

        @Override//from  w w  w .  j  a va  2s  . co  m
        public Object getValue() {
            return document;
        }

        @Override
        public void setValue(Object value) {
            throw new UnsupportedOperationException();
        }
    };

    return JXPathContext.newContext(container);
}

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From source file:org.mule.module.xml.expression.JXPathExpressionEvaluator.java

private JXPathContext createContextForBean(Object payload) {
    return JXPathContext.newContext(payload);
}

---

From source file:org.mule.module.xml.filters.JXPathFilter.java

private boolean accept(Object obj) {
    if (obj == null) {
        logger.warn("Applying JXPathFilter to null object.");
        return false;
    }/*from w  ww  .  j av a 2 s.  co  m*/
    if (pattern == null) {
        logger.warn("Expression for JXPathFilter is not set.");
        return false;
    }
    if (expectedValue == null) {
        // Handle the special case where the expected value really is null.
        if (pattern.endsWith("= null") || pattern.endsWith("=null")) {
            expectedValue = "null";
            pattern = pattern.substring(0, pattern.lastIndexOf("="));
        } else {
            if (logger.isInfoEnabled()) {
                logger.info("Expected value for JXPathFilter is not set, using 'true' by default");
            }
            expectedValue = Boolean.TRUE.toString();
        }
    }

    Object xpathResult = null;
    boolean accept = false;

    Document dom4jDoc;
    try {
        dom4jDoc = XMLUtils.toDocument(obj, muleContext);
    } catch (Exception e) {
        logger.warn("JxPath filter rejected message because of an error while parsing XML: " + e.getMessage(),
                e);
        return false;
    }

    // Payload is XML
    if (dom4jDoc != null) {
        if (namespaces == null) {
            // no namespace defined, let's perform a direct evaluation
            xpathResult = dom4jDoc.valueOf(pattern);
        } else {
            // create an xpath expression with namespaces and evaluate it
            XPath xpath = DocumentHelper.createXPath(pattern);
            xpath.setNamespaceURIs(namespaces);
            xpathResult = xpath.valueOf(dom4jDoc);
        }
    }
    // Payload is a Java object
    else {
        if (logger.isDebugEnabled()) {
            logger.debug("Passing object of type " + obj.getClass().getName() + " to JXPathContext");
        }
        JXPathContext context = JXPathContext.newContext(obj);
        initialise(context);
        xpathResult = context.getValue(pattern);
    }

    if (logger.isDebugEnabled()) {
        logger.debug("JXPathFilter Expression result = '" + xpathResult + "' -  Expected value = '"
                + expectedValue + "'");
    }
    // Compare the XPath result with the expected result.
    if (xpathResult != null) {
        accept = xpathResult.toString().equals(expectedValue);
    } else {
        // A null result was actually expected.
        if (expectedValue.equals("null")) {
            accept = true;
        }
        // A null result was not expected, something probably went wrong.
        else {
            logger.warn("JXPathFilter expression evaluates to null: " + pattern);
        }
    }

    if (logger.isDebugEnabled()) {
        logger.debug("JXPathFilter accept object  : " + accept);
    }

    return accept;
}

---

From source file:org.mule.module.xml.transformer.JXPathExtractor.java

/**
 * Evaluate the expression in the context of the given object and returns the
 * result. If the given object is a string, it assumes it is an valid xml and
 * parses it before evaluating the xpath expression.
 *//*from   w w  w. j  av  a2 s  .  co  m*/
@Override
public Object doTransform(Object src, String encoding) throws TransformerException {
    try {
        Object result = null;
        if (src instanceof String) {
            Document doc = DocumentHelper.parseText((String) src);

            XPath xpath = doc.createXPath(expression);
            if (namespaces != null) {
                xpath.setNamespaceURIs(namespaces);
            }

            // This is the way we always did it before, so keep doing it that way
            // as xpath.evaluate() will return non-string results (like Doubles)
            // for some scenarios.
            if (outputType == null && singleResult) {
                return xpath.valueOf(doc);
            }

            // TODO handle non-list cases, see
            //http://www.dom4j.org/apidocs/org/dom4j/XPath.html#evaluate(java.lang.Object)
            Object obj = xpath.evaluate(doc);
            if (obj instanceof List) {
                for (int i = 0; i < ((List) obj).size(); i++) {
                    final Node node = (Node) ((List) obj).get(i);
                    result = add(result, node);

                    if (singleResult) {
                        break;
                    }
                }
            } else {
                result = add(result, obj);
            }

        } else {
            JXPathContext context = JXPathContext.newContext(src);
            result = context.getValue(expression);
        }
        return result;
    } catch (Exception e) {
        throw new TransformerException(this, e);
    }

}

---

From source file:org.mule.providers.bpm.osworkflow.functions.SendMuleEvent.java

public void execute(Map transientVars, Map args, PropertySet ps) throws WorkflowException {
    boolean synchronous = "true".equals(args.get("synchronous"));

    String endpoint = (String) args.get("endpoint");
    String transformers = (String) args.get("transformers");
    if (transformers != null) {
        endpoint += "?transformers=" + transformers;
    }/*from  w w  w. j a v a  2 s.  co m*/

    // Use "payload" to easily specify the payload as a string directly in the process definition.
    // Use "payloadSource" to get the payload from a process variable. 
    String payload = (String) args.get("payload");
    String payloadSource = (String) args.get("payloadSource");

    // Get the actual payload (as an object).
    Object payloadObject;
    if (payload == null) {
        if (payloadSource == null) {
            payloadObject = ps.getObject(ProcessConnector.PROCESS_VARIABLE_DATA);
            if (payloadObject == null) {
                payloadObject = ps.getObject(ProcessConnector.PROCESS_VARIABLE_INCOMING);
            }
        } else {
            // The payloadSource may be specified using JavaBean notation (e.g.,
            // "myObject.myStuff.myField" would first retrieve the process
            // variable "myObject" and then call .getMyStuff().getMyField()
            String[] tokens = StringUtils.split(payloadSource, ".", 2);
            payloadObject = ps.getObject(tokens[0]);
            if (tokens.length > 1) {
                JXPathContext context = JXPathContext.newContext(payloadObject);
                payloadObject = context.getValue(tokens[1]);
            }
        }
    } else {
        payloadObject = payload;
    }
    if (payloadObject == null) {
        throw new IllegalArgumentException(
                "Payload for message is null.  Payload source is \"" + payloadSource + "\"");
    }

    /////////////////////////////////////////////////////////////////////////////////

    // Get info. on the current process.
    WorkflowEntry entry = (WorkflowEntry) transientVars.get("entry");
    Map props = new HashMap();
    props.put(ProcessConnector.PROPERTY_PROCESS_TYPE, entry.getWorkflowName());
    props.put(ProcessConnector.PROPERTY_PROCESS_ID, new Long(entry.getId()));
    props.put(MuleProperties.MULE_CORRELATION_ID_PROPERTY, new Long(entry.getId()));

    // Get a callback to Mule from the configuration.
    MuleConfiguration config = (MuleConfiguration) transientVars.get("configuration");
    MessageService mule = config.getMsgService();

    // Generate a message in Mule.
    UMOMessage response;
    try {
        response = mule.generateMessage(endpoint, payloadObject, props, synchronous);
    } catch (Exception e) {
        throw new WorkflowException(e);
    }

    // If the message is synchronous, pipe the response back into the workflow.
    if (synchronous) {
        if (response != null) {
            ps.setObject(ProcessConnector.PROCESS_VARIABLE_INCOMING, response.getPayload());
        } else {
            logger.info(
                    "Synchronous message was sent to endpoint " + endpoint + ", but no response was returned.");
        }
    }
}

---

From source file:org.mule.transport.bpm.jbpm4.customactivity.SendMuleEvent.java

public void sendMuleEvent(ActivityExecution execution) throws Exception {
    if (jbpm4 == null) {
        throw new Exception("Configuration problem - Jbpm4 is null. " + "Its reference needs to be set.");
    }/*from  w  ww.ja  v a2  s  .co m*/
    MessageService mule = jbpm4.getMessageService();

    if (transformers != null) {
        endpoint += "?transformers=" + transformers;
    }

    if (payload == null) {
        if (payloadSource == null) {
            payloadObject = execution.getVariable(ProcessConnector.PROCESS_VARIABLE_DATA);
            if (payloadObject == null) {
                payloadObject = execution.getVariable(ProcessConnector.PROCESS_VARIABLE_INCOMING);
            }
        } else {
            // The payloadSource may be specified using JavaBean notation (e.g.,
            // "myObject.myStuff.myField" would first retrieve the process
            // variable "myObject" and then call .getMyStuff().getMyField()
            String[] tokens = org.apache.commons.lang.StringUtils.split(payloadSource, ".", 2);
            payloadObject = execution.getVariable(tokens[0]);
            if (tokens.length > 1) {
                JXPathContext context = JXPathContext.newContext(payloadObject);
                payloadObject = context.getValue(tokens[1].replaceAll("\\.", "/"));
            }
        }
    } else {
        payloadObject = payload;
    }
    if (payloadObject == null) {
        throw new IllegalArgumentException(
                "Payload for message is null.  Payload source is \"" + payloadSource + "\"");
    }

    Map<String, Object> props = new HashMap<String, Object>();

    // TODO: this probably isn't the best. I'm casting to an Impl because it's
    // the only way I could see to get the name of the process definition
    props.put(ProcessConnector.PROPERTY_PROCESS_TYPE,
            ((ExecutionImpl) execution).getProcessDefinition().getName());
    props.put(ProcessConnector.PROPERTY_PROCESS_ID, execution.getProcessInstance().getId());
    props.put(MuleProperties.MULE_CORRELATION_ID_PROPERTY, execution.getProcessInstance().getId());
    /*
     * TODO: get process start // looks like we can get this from
     * historyService, but do we really need it? props
     * .put(ProcessConnector.PROPERTY_PROCESS_STARTED, );
     */
    if (properties != null) {
        props.putAll(properties);
    }

    MuleMessage response = mule.generateMessage(endpoint, payloadObject, props, synchronous);
    if (synchronous) {
        if (response != null) {
            execution.setVariable(variableName, response.getPayload());
        } else {
            log.info(
                    "Synchronous message was sent to endpoint " + endpoint + ", but no response was returned.");
        }
    }

}

---

From source file:org.onecmdb.core.utils.xpath.commands.AbstractPathCommand.java

public JXPathContext getXPathContext() {

    if (this.xPathContext == null) {
        log.debug("Create new OneCMDbContext");
        ISession session = this.oneCmdbContext.getSession(getAuth());
        if (session == null) {
            throw new SecurityException("No Session found! Try to do auth() first!");
        }//from w  ww  . ja  va2  s. c o m
        /*
        IModelService mSvc = (IModelService)session.getService(IModelService.class);
        this.xPathContext = JXPathContext.newContext(new OneCMDBContext(new OneCMDBContextBeanProvider(mSvc)));
        */
        this.context.put("session", session);
        this.xPathContext = JXPathContext.newContext(new OneCMDBContext(this.context, session));
        this.xPathContext.setFactory(new OneCMDBFactory());
    }
    return (this.xPathContext);
}

---

From source file:org.onehippo.forge.content.pojo.model.ContentNode.java

/**
 * Creates and returns a {@link JXPathContext} instance used by default.
 * @return a {@link JXPathContext} instance used by default
 *///from w  w  w. j a  va2 s.  c  o  m
private JXPathContext createJXPathContext() {
    JXPathContext jxpathCtx = JXPathContext.newContext(this);
    jxpathCtx.setLenient(true);
    return jxpathCtx;
}

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