Examples with Attribute org.apache.tools.ant.taskdefs.MacroDef.Attribute used on opensource projects

Example 1 with Attribute

use of org.apache.tools.ant.taskdefs.MacroDef.Attribute in project ant by apache.

the class MacroInstance method execute.

/**
 * Execute the templates instance.
 * Copies the unknown element, substitutes the attributes,
 * and calls perform on the unknown element.
 */
@Override
public void execute() {
    presentElements = new HashMap<>();
    getNsElements();
    processTasks();
    localAttributes = new Hashtable<>();
    Set<String> copyKeys = new HashSet<>(map.keySet());
    for (Attribute attribute : macroDef.getAttributes()) {
        String value = map.get(attribute.getName());
        if (value == null && "description".equals(attribute.getName())) {
            value = getDescription();
        }
        if (value == null) {
            value = attribute.getDefault();
            value = macroSubs(value, localAttributes);
        }
        if (value == null) {
            throw new BuildException("required attribute %s not set", attribute.getName());
        }
        localAttributes.put(attribute.getName(), value);
        copyKeys.remove(attribute.getName());
    }
    copyKeys.remove("id");
    if (macroDef.getText() != null) {
        if (text == null) {
            String defaultText = macroDef.getText().getDefault();
            if (!macroDef.getText().getOptional() && defaultText == null) {
                throw new BuildException("required text missing");
            }
            text = defaultText == null ? "" : defaultText;
        }
        if (macroDef.getText().getTrim()) {
            text = text.trim();
        }
        localAttributes.put(macroDef.getText().getName(), text);
    } else if (text != null && !text.trim().isEmpty()) {
        throw new BuildException("The \"%s\" macro does not support nested text data.", getTaskName());
    }
    if (!copyKeys.isEmpty()) {
        throw new BuildException("Unknown attribute" + (copyKeys.size() > 1 ? "s " : " ") + copyKeys);
    }
    // need to set the project on unknown element
    UnknownElement c = copy(macroDef.getNestedTask(), false);
    c.init();
    LocalProperties localProperties = LocalProperties.get(getProject());
    localProperties.enterScope();
    try {
        c.perform();
    } catch (BuildException ex) {
        if (macroDef.getBackTrace()) {
            throw ProjectHelper.addLocationToBuildException(ex, getLocation());
        } else {
            ex.setLocation(getLocation());
            throw ex;
        }
    } finally {
        presentElements = null;
        localAttributes = null;
        localProperties.exitScope();
    }
}

Example 2 with Attribute

use of org.apache.tools.ant.taskdefs.MacroDef.Attribute in project ant by apache.

the class RuntimeConfigurable method maybeConfigure.

/**
 * Configures the wrapped element.  The attributes and text for
 * the wrapped element are configured.  Each time the wrapper is
 * configured, the attributes and text for it are reset.
 * <p>
 * If the element has an <code>id</code> attribute, a reference
 * is added to the project as well.
 * </p>
 *
 * @param p The project containing the wrapped element.
 *          Must not be <code>null</code>.
 *
 * @param configureChildren ignored.
 *
 * @exception BuildException if the configuration fails, for instance due
 *            to invalid attributes, or text being added to
 *            an element which doesn't accept it.
 */
public synchronized void maybeConfigure(Project p, boolean configureChildren) throws BuildException {
    if (proxyConfigured) {
        return;
    }
    // Configure the object
    Object target = (wrappedObject instanceof TypeAdapter) ? ((TypeAdapter) wrappedObject).getProxy() : wrappedObject;
    IntrospectionHelper ih = IntrospectionHelper.getHelper(p, target.getClass());
    ComponentHelper componentHelper = ComponentHelper.getComponentHelper(p);
    if (attributeMap != null) {
        for (Map.Entry<String, Object> entry : attributeMap.entrySet()) {
            String name = entry.getKey();
            // skip restricted attributes such as if:set
            AttributeComponentInformation attributeComponentInformation = isRestrictedAttribute(name, componentHelper);
            if (attributeComponentInformation.isRestricted()) {
                continue;
            }
            Object value = entry.getValue();
            // reflect these into the target, defer for
            // MacroInstance where properties are expanded for the
            // nested sequential
            Object attrValue;
            if (value instanceof Evaluable<?>) {
                attrValue = ((Evaluable<?>) value).eval();
            } else {
                attrValue = PropertyHelper.getPropertyHelper(p).parseProperties(value.toString());
            }
            if (target instanceof MacroInstance) {
                for (Attribute attr : ((MacroInstance) target).getMacroDef().getAttributes()) {
                    if (attr.getName().equals(name)) {
                        if (!attr.isDoubleExpanding()) {
                            attrValue = value;
                        }
                        break;
                    }
                }
            }
            try {
                ih.setAttribute(p, target, name, attrValue);
            } catch (UnsupportedAttributeException be) {
                // id attribute must be set externally
                if ("id".equals(name)) {
                // Do nothing
                } else if (getElementTag() == null) {
                    throw be;
                } else {
                    throw new BuildException(getElementTag() + " doesn't support the \"" + be.getAttribute() + "\" attribute", be);
                }
            } catch (BuildException be) {
                if ("id".equals(name)) {
                // Assume that this is an not supported attribute type
                // thrown for example by a dynamic attribute task
                // Do nothing
                } else {
                    throw be;
                }
            }
        }
    }
    if (characters != null) {
        ProjectHelper.addText(p, wrappedObject, characters.substring(0));
    }
    if (id != null) {
        p.addReference(id, wrappedObject);
    }
    proxyConfigured = true;
}