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:fr.isima.ponge.wsprotocol.impl.BusinessProtocolImplTest.java

@SuppressWarnings("unchecked")
public void testAddRemoveOperationLogic() {
    Iterator it;//from w w  w .java 2 s .c  o  m
    String str;
    JXPathContext ctx = JXPathContext.newContext(bp2);

    TestCase.assertEquals("s0", bp2.getInitialState().getName()); //$NON-NLS-1$
    it = ctx.iterate("finalStates/name"); //$NON-NLS-1$
    TestCase.assertTrue(it.hasNext());
    TestCase.assertEquals("s1", (String) it.next()); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s0']/successors/name"); //$NON-NLS-1$
    TestCase.assertTrue(it.hasNext());
    TestCase.assertEquals("s1", (String) it.next()); //$NON-NLS-1$
    TestCase.assertEquals("s0", (String) it.next()); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s0']/predecessors/name"); //$NON-NLS-1$
    TestCase.assertTrue(it.hasNext());
    TestCase.assertEquals("s0", (String) it.next()); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s1']/predecessors/name"); //$NON-NLS-1$
    TestCase.assertTrue(it.hasNext());
    TestCase.assertEquals("s0", (String) it.next()); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s1']/successors/name"); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("messages/name"); //$NON-NLS-1$
    // Strange, sometimes b is before a and vice-versa ...
    TestCase.assertTrue(it.hasNext());
    str = (String) it.next();
    if ("a".equals(str)) //$NON-NLS-1$
    {
        TestCase.assertEquals("b", (String) it.next()); //$NON-NLS-1$
    } else if ("b".equals(str)) //$NON-NLS-1$
    {
        TestCase.assertEquals("a", (String) it.next()); //$NON-NLS-1$
    } else {
        TestCase.fail();
    }
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s0']/outgoingOperations/message/name"); //$NON-NLS-1$
    TestCase.assertTrue(it.hasNext());
    TestCase.assertEquals("a", (String) it.next()); //$NON-NLS-1$
    TestCase.assertEquals("b", (String) it.next()); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s0']/incomingOperations/message/name"); //$NON-NLS-1$
    TestCase.assertTrue(it.hasNext());
    TestCase.assertEquals("b", (String) it.next()); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s1']/incomingOperations/message/name"); //$NON-NLS-1$
    TestCase.assertTrue(it.hasNext());
    TestCase.assertEquals("a", (String) it.next()); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    it = ctx.iterate("states[name='s1']/outgoingOperations/message/name"); //$NON-NLS-1$
    TestCase.assertFalse(it.hasNext());

    Operation toRemove = (Operation) ctx.getValue("operations[message/name='a']"); //$NON-NLS-1$
    bp2.removeOperation(toRemove);

    List remainingOps = (List) ctx.getValue("states[name='s0']/incomingOperations"); //$NON-NLS-1$
    TestCase.assertTrue(remainingOps.size() == 1);

    List remainingSucc = (List) ctx.getValue("states[name='s0']/successors"); //$NON-NLS-1$
    TestCase.assertTrue(remainingSucc.size() == 1);

    State s0 = bp2.getInitialState();
    bp2.removeState(s0);
    TestCase.assertNull(bp2.getInitialState());
}

---

From source file:nl.clockwork.mule.common.filter.JXPathFilter.java

@Override
public boolean accept(MuleMessage message) {
    try {/*from  ww  w. j av a  2s. c  om*/
        JXPathContext context = JXPathContext.newContext(message.getPayload());
        String s = context.getValue(xPathQuery).toString();
        return s.matches(regEx);
    } catch (Exception e) {
        return false;
    }
}

---

From source file:nl.clockwork.mule.common.filter.ObjectExistsFilter.java

@Override
public boolean accept(MuleMessage message) {
    JXPathContext context = JXPathContext.newContext(message.getPayload());
    return context.getValue(xPathQuery) != null;
}

---

From source file:org.apache.cocoon.components.flow.java.test.FlowTest.java

public void testSimple() throws Exception {

    /*        ClassLoader cl = getClass().getClassLoader();
            while (cl != null) {/*from  ww w .  j a v a  2 s. c  o  m*/
    System.out.println(cl);
    cl = cl.getParent();
            }
            try {
    System.out.println(
            getClass().
            getProtectionDomain().
            getCodeSource().
            getLocation());
            }
            catch (Exception e) {
            }*/

    Class clazz = loader.loadClass("org.apache.cocoon.components.flow.java.test.SimpleFlow");
    Continuable flow = (Continuable) clazz.newInstance();

    Method method = clazz.getMethod("run", new Class[0]);

    Continuation c = new Continuation(context);
    assertTrue(!c.isRestoring());
    assertTrue(!c.isCapturing());

    System.out.println("*** start flow");
    c.registerThread();
    method.invoke(flow, new Object[0]);
    if (c.isCapturing())
        c.getStack().popReference();
    c.deregisterThread();
    System.out.println("*** return from flow");

    assertTrue(!c.isRestoring());
    assertTrue(c.isCapturing());

    //System.out.println("request=" + request);
    request.addParameter("a", "2.3");
    redirector.reset();
    c = new Continuation(c, context);

    assertTrue(c.isRestoring());
    assertTrue(!c.isCapturing());

    System.out.println("*** resume flow");
    c.registerThread();
    method.invoke(flow, new Object[0]);
    if (c.isCapturing())
        c.getStack().popReference();
    c.deregisterThread();
    System.out.println("*** return from flow");

    assertTrue(!c.isRestoring());
    assertTrue(!c.isCapturing());

    VarMap map = (VarMap) FlowHelper.getContextObject(objectmodel);

    assertEquals(((Float) map.getMap().get("result")).floatValue(), 3.3f, 0.1f);

    JXPathContext jxcontext = JXPathContext.newContext(FlowHelper.getContextObject(objectmodel));
    Float result = (Float) jxcontext.getValue("result");

    assertEquals(result.floatValue(), 3.3f, 0.1f);
}

---

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

public static Object getAttribute(String name, Configuration modeConf, JXPathHelperConfiguration setup,
        Object contextObj) throws ConfigurationException {

    if (contextObj == null) {
        return null;
    }//from  ww w . j av  a2s.c o  m

    try {
        JXPathContext jxContext = JXPathContext.newContext(contextObj);
        setup(setup, jxContext, modeConf);

        Object obj = jxContext.getValue(name);
        return obj;
    } catch (Exception e) {
        throw new ConfigurationException("Module does not support <" + name + ">" + "attribute.", e);
    }
}

---

From source file:org.apache.cocoon.components.source.impl.ModuleSource.java

/**
 * Return an <code>InputStream</code> object to read from the source.
 *
 * @throws IOException if I/O error occured.
 *//*from ww w.j  a v a 2 s .  co  m*/
public InputStream getInputStream() throws IOException, SourceException {
    if (this.logger.isDebugEnabled()) {
        this.logger.debug("Getting InputStream for " + getURI());
    }

    Object obj = getInputAttribute(this.attributeType, this.attributeName);
    if (obj == null)
        throw new SourceException(" The attribute: " + this.attributeName + " is empty");

    if (!(this.xPath.length() == 0 || this.xPath.equals("/"))) {
        JXPathContext context = JXPathContext.newContext(obj);
        obj = context.getValue(this.xPath);

        if (obj == null)
            throw new SourceException("the xpath: " + this.xPath + " applied on the attribute: "
                    + this.attributeName + " returns null");
    }

    if (obj instanceof InputStream) {
        return (InputStream) obj;
    } else if (obj instanceof String) {
        return new ByteArrayInputStream(((String) obj).getBytes());
    } else if (obj instanceof byte[]) {
        return new ByteArrayInputStream((byte[]) obj);
    } else {
        throw new SourceException(
                "The object type: " + obj.getClass() + " could not be serialized as a InputStream " + obj);
    }
}

---

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

/**
 * Get the identity of the given row context. That's infact a list of all
 * the values of the fields in the bean or XML that constitute the identity. 
 * @param rowContext//w  w w.j  a v  a  2  s.com
 * @return List the identity of the row context
 */
private List getIdentity(JXPathContext rowContext) {
    if (this.identityBinding == null) {
        return Collections.EMPTY_LIST;
    }

    List identity = new ArrayList();

    JXPathBindingBase[] childBindings = this.identityBinding.getChildBindings();
    if (childBindings != null) {
        int size = childBindings.length;
        for (int i = 0; i < size; i++) {
            ValueJXPathBinding vBinding = (ValueJXPathBinding) childBindings[i];
            Object value = rowContext.getValue(vBinding.getXPath());
            if (value != null && vBinding.getConvertor() != null) {
                if (value instanceof String) {
                    ConversionResult conversionResult = vBinding.getConvertor()
                            .convertFromString((String) value, vBinding.getConvertorLocale(), null);
                    if (conversionResult.isSuccessful())
                        value = conversionResult.getResult();
                    else
                        value = null;
                } else {
                    if (getLogger().isWarnEnabled()) {
                        getLogger().warn("Convertor ignored on backend-value " + "which isn't of type String.");
                    }
                }
            }
            identity.add(value);
        }
    }
    return identity;
}

---

From source file:org.apache.cocoon.forms.binding.RepeaterJXPathCollection.java

public void init(JXPathContext storageContext, String rowpath, RepeaterAdapter adapter) {
    this.storageContext = storageContext;
    collectionSize = 0;/*  w w  w . j ava2s. com*/
    Object value = storageContext.getValue(rowpath);
    if (value != null) {
        if (value instanceof Collection) {
            collectionSize = ((Collection) value).size();
        } else {
            collectionSize = ((Double) storageContext.getValue("count(" + rowpath + ")")).intValue();
        }
    }

    this.updatedRows = new HashMap();
    this.deletedRows = new HashSet();
    this.insertedRows = new ArrayList();
    this.adapter = adapter;
    this.sorter = adapter.sortBy(null);
}

---

From source file:org.apache.cocoon.forms.binding.ValueJXPathBinding.java

/**
 * Actively performs the binding from the ObjectModel wrapped in a jxpath
 * context to the CForms-form-widget specified in this object.
 *//*from  w ww . j a  v  a 2  s  . com*/
public void doLoad(Widget frmModel, JXPathContext jxpc) throws BindingException {
    Widget widget = selectWidget(frmModel, 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) {
            ConversionResult conversionResult = convertor.convertFromString((String) value, convertorLocale,
                    null);
            if (conversionResult.isSuccessful())
                value = conversionResult.getResult();
            else
                value = 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);
    }
}

---

From source file:org.apache.cocoon.forms.binding.ValueJXPathBinding.java

/**
 * Actively performs the binding from the CForms-form to the ObjectModel
 * wrapped in a jxpath context/*from  w  w  w  .jav a2s .co m*/
 */
public void doSave(Widget frmModel, JXPathContext jxpc) throws BindingException {
    Widget widget = selectWidget(frmModel, this.fieldId);
    Object value = widget.getValue();
    if (value != null && convertor != null) {
        value = convertor.convertToString(value, convertorLocale, null);
    }

    Object oldValue = jxpc.getValue(this.xpath);
    if (getLogger().isDebugEnabled()) {
        getLogger().debug("value= " + value + "-- oldvalue=" + oldValue);
    }

    boolean update = false;

    if ((value == null && oldValue != null) || value != null && !value.equals(oldValue)) {
        // first update the value itself
        if (value != null) {
            jxpc.createPathAndSetValue(this.xpath, value);
        } else {
            jxpc.removePath(this.xpath);
        }

        // now perform any other bindings that need to be performed when the value is updated
        JXPathContext subContext = null;
        try {
            subContext = jxpc.getRelativeContext(jxpc.getPointer(this.xpath));
        } catch (JXPathException e) {
            // if the value has been set to null and the underlying model is a bean, then
            // JXPath will not be able to create a relative context
            if (getLogger().isDebugEnabled()) {
                getLogger().debug("(Ignorable) problem binding field " + widget.getRequestParameterName(), e);
            }
        }
        if (subContext != null) {
            this.updateBinding.saveFormToModel(frmModel, subContext);
        }

        update = true;
    }

    if (getLogger().isDebugEnabled()) {
        getLogger().debug("done saving " + toString() + " -- value= " + value + " -- on-update == " + update);
    }
}

---

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