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

Introduction

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

Prototype

public void setFunctions(Functions functions) 

Source Link

Document

Install a library of extension functions.

Usage

From source file:org.openvpms.component.system.service.jxpath.JXPathTestCase.java

/**
 * Test that we can still sum using a conversion function in the
 * expression//from   w w w  .  j av a 2s  .c o m
 */
@Test
public void testSumOverDouble() {
    FunctionLibrary lib = new FunctionLibrary();
    lib.addFunctions(new ClassFunctions(TestFunctions.class, "ns"));

    List<DoubleValues> values = new ArrayList<DoubleValues>();
    values.add(new DoubleValues(12, 12));
    values.add(new DoubleValues(13, 13));
    values.add(new DoubleValues(15, 15));

    Map<String, Object> map = new HashMap<String, Object>();
    map.put("values", values);
    JXPathContext ctx = JXPathHelper.newContext(map);
    ctx.setFunctions(lib);

    //Object sum = ctx.getValue("sum(values/child::high[self::high < 0])");
    Object sum = ctx.getValue("ns:sum(ns:toBigDecimalValues(values)/child::high)");
    assertTrue(sum.getClass() == BigDecimal.class);
    //sum = ctx.getValue("ns:sum(ns:toBigDecimal(child::low))");
    //assertTrue(sum.getClass() == BigDecimal.class);
}

---

From source file:org.openvpms.component.system.service.jxpath.JXPathTestCase.java

/**
 * Verifies that {@link ObjectFunctions} can be added to the function
 * library and their instance and static methods invoked.
 *//*from  ww w. j a  v a  2  s  .  c o  m*/
@Test
public void testObjectFunctions() {
    List<String> list = new ArrayList<String>();
    list.add("a");
    list.add("b");
    list.add("c");
    JXPathContext ctx = JXPathHelper.newContext(list);
    FunctionLibrary lib = new FunctionLibrary();
    lib.addFunctions(new ObjectFunctions(new TestFunctions(), "test"));
    ctx.setFunctions(lib);

    // test instance methods
    assertEquals("a", ctx.getValue("test:getValue(., 0)"));
    assertEquals("c", ctx.getValue("test:getValue(., 2)"));
    assertEquals("foo", ctx.getValue("test:getValue()"));

    // test static methods
    assertEquals("Jimmy", ctx.getValue("test:getContacts()"));
}

---

From source file:org.paxml.core.Context.java

private void setXpathFunctions(JXPathContext xpathContext) {
    Functions existing = xpathContext.getFunctions();
    final FunctionLibrary funcLib;
    if (existing == null) {
        funcLib = new FunctionLibrary();
    } else if (existing instanceof FunctionLibrary) {
        funcLib = (FunctionLibrary) existing;
    } else {// ww w.ja  v  a2  s .  com
        funcLib = new FunctionLibrary();
        funcLib.addFunctions(existing);
    }

    for (ITagLibrary lib : getPaxml().getParser().getTagLibraries()) {
        for (String name : lib.getUtilFunctionsFactoryNames()) {
            Class<? extends IUtilFunctionsFactory> clazz = lib.getUtilFunctionsFactory(name);
            Class<?> xpathFunClass = ReflectUtils.createObject(clazz).getXpathUtilFunctions(this);
            if (xpathFunClass == null) {
                // skip this one
                continue;
            }
            Util util = ReflectUtils.getAnnotation(clazz, Util.class);
            if (util == null) {
                throw new PaxmlRuntimeException(
                        "Internal error: util function factory is not annotated: " + clazz.getName());
            }
            funcLib.addFunctions(new ClassFunctions(xpathFunClass, util.value()));
        }
    }

    xpathContext.setFunctions(funcLib);
}

---

From source file:org.xsystem.bpm2machineservice.impl.ScriptingService.java

public JXPathContext makeJXPathContext(Map<String, Object> data) {
    JXPathContext context = JXPathContext.newContext(data);
    FunctionLibrary lib = new FunctionLibrary();
    lib.addFunctions(new ClassFunctions(CalendarHelper.class, "calendarhelper"));
    lib.addFunctions(new ClassFunctions(Calendar.class, "calendar"));

    context.setFunctions(lib);

    return context;
}

---

From source file:org.xsystem.sql2.http.PageServlet2.java

static Map<String, Object> getContext(Map<String, String> evals, Map<String, Object> reqContext) {
    JXPathContext context = JXPathContext.newContext(reqContext);
    context.setFunctions(new ClassFunctions(Base64Decode.class, "BASE64"));
    context.setLenient(true);//  w  w  w  .j av a2s.  co  m

    Map ret = new HashMap();
    evals.entrySet().forEach(entry -> {
        String key = entry.getKey();
        String eval = entry.getValue();
        Object value = context.getValue(eval);
        ret.put(key, value);
    });

    return ret;
}

---

• «
• 1
• 2
• »