Examples with TemplateModelException freemarker.template.TemplateModelException used on opensource projects

Example 26 with TemplateModelException

use of freemarker.template.TemplateModelException in project freemarker by apache.

the class BeansWrapper method newInstance.

/**
 * Creates a new instance of the specified class using the method call logic of this object wrapper for calling the
 * constructor. Overloaded constructors and varargs are supported. Only public constructors will be called.
 *
 * @param clazz The class whose constructor we will call.
 * @param arguments The list of {@link TemplateModel}-s to pass to the constructor after unwrapping them
 * @return The instance created; it's not wrapped into {@link TemplateModel}.
 */
public Object newInstance(Class<?> clazz, List arguments) throws TemplateModelException {
    try {
        Object ctors = classIntrospector.get(clazz).get(ClassIntrospector.CONSTRUCTORS_KEY);
        if (ctors == null) {
            throw new TemplateModelException("Class " + clazz.getName() + " has no public constructors.");
        }
        Constructor<?> ctor = null;
        Object[] objargs;
        if (ctors instanceof SimpleMethod) {
            SimpleMethod sm = (SimpleMethod) ctors;
            ctor = (Constructor<?>) sm.getMember();
            objargs = sm.unwrapArguments(arguments, this);
            try {
                return ctor.newInstance(objargs);
            } catch (Exception e) {
                if (e instanceof TemplateModelException)
                    throw (TemplateModelException) e;
                throw _MethodUtil.newInvocationTemplateModelException(null, ctor, e);
            }
        } else if (ctors instanceof OverloadedMethods) {
            final MemberAndArguments mma = ((OverloadedMethods) ctors).getMemberAndArguments(arguments, this);
            try {
                return mma.invokeConstructor(this);
            } catch (Exception e) {
                if (e instanceof TemplateModelException)
                    throw (TemplateModelException) e;
                throw _MethodUtil.newInvocationTemplateModelException(null, mma.getCallableMemberDescriptor(), e);
            }
        } else {
            // Cannot happen
            throw new BugException();
        }
    } catch (TemplateModelException e) {
        throw e;
    } catch (Exception e) {
        throw new TemplateModelException("Error while creating new instance of class " + clazz.getName() + "; see cause exception", e);
    }
}

Example 27 with TemplateModelException

use of freemarker.template.TemplateModelException in project freemarker by apache.

the class ResourceBundleModel method exec.

/**
 * Takes first argument as a resource key, looks up a string in resource bundle
 * with this key, then applies a MessageFormat.format on the string with the
 * rest of the arguments. The created MessageFormats are cached for later reuse.
 */
public Object exec(List arguments) throws TemplateModelException {
    // Must have at least one argument - the key
    if (arguments.size() < 1)
        throw new TemplateModelException("No message key was specified");
    // Read it
    Iterator it = arguments.iterator();
    String key = unwrap((TemplateModel) it.next()).toString();
    try {
        if (!it.hasNext()) {
            return wrap(((ResourceBundle) object).getObject(key));
        }
        // Copy remaining arguments into an Object[]
        int args = arguments.size() - 1;
        Object[] params = new Object[args];
        for (int i = 0; i < args; ++i) params[i] = unwrap((TemplateModel) it.next());
        // Invoke format
        return new StringModel(format(key, params), wrapper);
    } catch (MissingResourceException e) {
        throw new TemplateModelException("No such key: " + key);
    } catch (Exception e) {
        throw new TemplateModelException(e.getMessage());
    }
}

Example 28 with TemplateModelException

use of freemarker.template.TemplateModelException in project freemarker by apache.

the class ElementModel method getAsString.

public String getAsString() throws TemplateModelException {
    NodeList nl = node.getChildNodes();
    String result = "";
    for (int i = 0; i < nl.getLength(); i++) {
        Node child = nl.item(i);
        int nodeType = child.getNodeType();
        if (nodeType == Node.ELEMENT_NODE) {
            String msg = "Only elements with no child elements can be processed as text." + "\nThis element with name \"" + node.getNodeName() + "\" has a child element named: " + child.getNodeName();
            throw new TemplateModelException(msg);
        } else if (nodeType == Node.TEXT_NODE || nodeType == Node.CDATA_SECTION_NODE) {
            result += child.getNodeValue();
        }
    }
    return result;
}

Example 29 with TemplateModelException

use of freemarker.template.TemplateModelException in project freemarker by apache.

the class TemplateModelUtilTest method testGetKeyValuePairIterator.

@Test
public void testGetKeyValuePairIterator() throws Exception {
    Map<Object, Object> map = new LinkedHashMap<Object, Object>();
    TemplateHashModelEx thme = new TemplateHashModelExOnly(map);
    assertetGetKeyValuePairIteratorContent("", thme);
    map.put("k1", 11);
    assertetGetKeyValuePairIteratorContent("str(k1): num(11)", thme);
    map.put("k2", "v2");
    assertetGetKeyValuePairIteratorContent("str(k1): num(11), str(k2): str(v2)", thme);
    map.put("k2", null);
    assertetGetKeyValuePairIteratorContent("str(k1): num(11), str(k2): null", thme);
    map.put(3, 33);
    try {
        assertetGetKeyValuePairIteratorContent("fails anyway...", thme);
        fail();
    } catch (TemplateModelException e) {
        assertThat(e.getMessage(), allOf(containsString("keys must be"), containsString("string"), containsString("number")));
    }
    map.remove(3);
    map.put(null, 44);
    try {
        assertetGetKeyValuePairIteratorContent("fails anyway...", thme);
        fail();
    } catch (TemplateModelException e) {
        assertThat(e.getMessage(), allOf(containsString("keys must be"), containsString("string"), containsString("Null")));
    }
}

Example 30 with TemplateModelException

use of freemarker.template.TemplateModelException in project freemarker by apache.

the class NodeListModel method get.

public TemplateModel get(String key) throws TemplateModelException {
    int size = size();
    if (size == 1) {
        NodeModel nm = (NodeModel) get(0);
        return nm.get(key);
    }
    if (key.startsWith("@@")) {
        if (key.equals(AtAtKey.MARKUP.getKey()) || key.equals(AtAtKey.NESTED_MARKUP.getKey()) || key.equals(AtAtKey.TEXT.getKey())) {
            StringBuilder result = new StringBuilder();
            for (int i = 0; i < size; i++) {
                NodeModel nm = (NodeModel) get(i);
                TemplateScalarModel textModel = (TemplateScalarModel) nm.get(key);
                result.append(textModel.getAsString());
            }
            return new SimpleScalar(result.toString());
        } else if (key.length() != 2) /* to allow "@@" to fall through */
        {
            // As @@... would cause exception in the XPath engine, we throw a nicer exception now.
            if (AtAtKey.containsKey(key)) {
                throw new TemplateModelException("\"" + key + "\" is only applicable to a single XML node, but it was applied on " + (size != 0 ? size + " XML nodes (multiple matches)." : "an empty list of XML nodes (no matches)."));
            } else {
                throw new TemplateModelException("Unsupported @@ key: " + key);
            }
        }
    }
    if (DomStringUtil.isXMLNameLike(key) || ((key.startsWith("@") && (DomStringUtil.isXMLNameLike(key, 1) || key.equals("@@") || key.equals("@*")))) || key.equals("*") || key.equals("**")) {
        NodeListModel result = new NodeListModel(contextNode);
        for (int i = 0; i < size; i++) {
            NodeModel nm = (NodeModel) get(i);
            if (nm instanceof ElementModel) {
                TemplateSequenceModel tsm = (TemplateSequenceModel) ((ElementModel) nm).get(key);
                if (tsm != null) {
                    int tsmSize = tsm.size();
                    for (int j = 0; j < tsmSize; j++) {
                        result.add(tsm.get(j));
                    }
                }
            }
        }
        if (result.size() == 1) {
            return result.get(0);
        }
        return result;
    }
    XPathSupport xps = getXPathSupport();
    if (xps != null) {
        Object context = (size == 0) ? null : rawNodeList();
        return xps.executeQuery(context, key);
    } else {
        throw new TemplateModelException("Can't try to resolve the XML query key, because no XPath support is available. " + "This is either malformed or an XPath expression: " + key);
    }
}