Package org.apache.tools.ant

Examples of org.apache.tools.ant.IntrospectionHelper$CreateNestedCreator


            // Create ClassInfo and insert in classInfoMap
            ClassInfo info = new ClassInfo();
            _classInfoMap.put(qualifiedClassName, "");
            // Create and introspect Class
            Class clazz = Class.forName(qualifiedClassName);
            IntrospectionHelper helper = IntrospectionHelper.getHelper(clazz);
            info._isContainer = helper.supportsCharacters();
            // Lookup Attributes
            Enumeration e = helper.getAttributes();
            if (e.hasMoreElements()) {
                info._attributes = new HashMap();
                while (e.hasMoreElements()) {
                    String name = (String) e.nextElement();
                    String type = helper.getAttributeType(name).getName();
                    if ((org.apache.tools.ant.Task.class.isAssignableFrom(clazz)) &&
                        ((name.equals ("location") && type.equals ("org.apache.tools.ant.Location"))/* ||
                         (name.equals ("taskname") && type.equals ("java.lang.String")) ||
                         (name.equals ("description") && type.equals ("java.lang.String"))*/)) {
                        continue;
                    }
                    info._attributes.put(name, type)// type is now needed for associating attribute name with a custom editor
//                    info._attributes.put(name, "");
                }
            }
            else info._attributes = null;
            // Lookup Subelements
            e = helper.getNestedElements();
            info._subelements = new HashMap();
            while (e.hasMoreElements()) {
                try {
                    String name = (String) e.nextElement();
                    Class subClazz = helper.getElementType(name);
                    info._subelements.put(name, subClazz.getName());
                    _elementClassMap.setProperty(name, subClazz.getName());
                    // ... and analyze that class!
                    analyzeClass(subClazz.getName());
                } catch (RuntimeException re) {}
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         * @exception SAXParseException in case of error, such as a
         *            BuildException being thrown during configuration.
         */
        public void init(String propType, AttributeList attrs) throws SAXParseException {
            Class parentClass = parent.getClass();
            IntrospectionHelper ih = IntrospectionHelper.getHelper(helperImpl.project, parentClass);

            try {
                String elementName = propType.toLowerCase(Locale.ENGLISH);
                if (parent instanceof UnknownElement) {
                    UnknownElement uc = new UnknownElement(elementName);
                    uc.setProject(helperImpl.project);
                    ((UnknownElement) parent).addChild(uc);
                    child = uc;
                } else {
                    child = ih.createElement(helperImpl.project, parent, elementName);
                }
                helperImpl.configureId(child, attrs);

                childWrapper = new RuntimeConfigurable(child, propType);
                childWrapper.setAttributes(attrs);
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     * @param name the attributename
     * @param value the new value
     */
    protected void tryToSetAParameter(Object obj, String name, String value) {
        Project prj = (getProject() != null) ? getProject() : new Project();
        IntrospectionHelper iHelper
            = IntrospectionHelper.getHelper(prj, obj.getClass());
        try {
            iHelper.setAttribute(prj, obj, name, value);
        } catch (org.apache.tools.ant.BuildException e) {
            // no-op
        }
    }
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            if (visited.containsKey(name)) {
                return;
            }
            visited.put(name, "");

            IntrospectionHelper ih = null;
            try {
                ih = IntrospectionHelper.getHelper(p, element);
            } catch (Throwable t) {
                /*
                 * XXX - failed to load the class properly.
                 *
                 * should we print a warning here?
                 */
                return;
            }

            StringBuffer sb = new StringBuffer("<!ELEMENT ");
            sb.append(name).append(" ");

            if (org.apache.tools.ant.types.Reference.class.equals(element)) {
                sb.append("EMPTY>").append(LINE_SEP);
                sb.append("<!ATTLIST ").append(name);
                sb.append(LINE_SEP).append("          id ID #IMPLIED");
                sb.append(LINE_SEP).append("          refid IDREF #IMPLIED");
                sb.append(">").append(LINE_SEP);
                out.println(sb);
                return;
            }

            Vector v = new Vector();
            if (ih.supportsCharacters()) {
                v.addElement("#PCDATA");
            }

            if (TaskContainer.class.isAssignableFrom(element)) {
                v.addElement(TASKS);
            }

            Enumeration e = ih.getNestedElements();
            while (e.hasMoreElements()) {
                v.addElement(e.nextElement());
            }

            if (v.isEmpty()) {
                sb.append("EMPTY");
            } else {
                sb.append("(");
                final int count = v.size();
                for (int i = 0; i < count; i++) {
                    if (i != 0) {
                        sb.append(" | ");
                    }
                    sb.append(v.elementAt(i));
                }
                sb.append(")");
                if (count > 1 || !v.elementAt(0).equals("#PCDATA")) {
                    sb.append("*");
                }
            }
            sb.append(">");
            out.println(sb);

            sb = new StringBuffer("<!ATTLIST ");
            sb.append(name);
            sb.append(LINE_SEP).append("          id ID #IMPLIED");

            e = ih.getAttributes();
            while (e.hasMoreElements()) {
                String attrName = (String) e.nextElement();
                if ("id".equals(attrName)) {
                    continue;
                }

                sb.append(LINE_SEP).append("          ")
                    .append(attrName).append(" ");
                Class type = ih.getAttributeType(attrName);
                if (type.equals(java.lang.Boolean.class)
                    || type.equals(java.lang.Boolean.TYPE)) {
                    sb.append(BOOLEAN).append(" ");
                } else if (Reference.class.isAssignableFrom(type)) {
                    sb.append("IDREF ");
                } else if (EnumeratedAttribute.class.isAssignableFrom(type)) {
                    try {
                        EnumeratedAttribute ea =
                            (EnumeratedAttribute) type.newInstance();
                        String[] values = ea.getValues();
                        if (values == null
                            || values.length == 0
                            || !areNmtokens(values)) {
                            sb.append("CDATA ");
                        } else {
                            sb.append("(");
                            for (int i = 0; i < values.length; i++) {
                                if (i != 0) {
                                    sb.append(" | ");
                                }
                                sb.append(values[i]);
                            }
                            sb.append(") ");
                        }
                    } catch (InstantiationException ie) {
                        sb.append("CDATA ");
                    } catch (IllegalAccessException ie) {
                        sb.append("CDATA ");
                    }
                } else if (type.getSuperclass() != null
                           && type.getSuperclass().getName().equals("java.lang.Enum")) {
                    try {
                        Object[] values = (Object[]) type.getMethod("values", (Class[])  null)
                            .invoke(null, (Object[]) null);
                        if (values.length == 0) {
                            sb.append("CDATA ");
                        } else {
                            sb.append('(');
                            for (int i = 0; i < values.length; i++) {
                                if (i != 0) {
                                    sb.append(" | ");
                                }
                                sb.append(type.getMethod("name", (Class[]) null)
                                          .invoke(values[i], (Object[]) null));
                            }
                            sb.append(") ");
                        }
                    } catch (Exception x) {
                        sb.append("CDATA ");
                    }
                } else {
                    sb.append("CDATA ");
                }
                sb.append("#IMPLIED");
            }
            sb.append(">").append(LINE_SEP);
            out.println(sb);

            final int count = v.size();
            for (int i = 0; i < count; i++) {
                String nestedName = (String) v.elementAt(i);
                if (!"#PCDATA".equals(nestedName)
                    && !TASKS.equals(nestedName)
                    && !TYPES.equals(nestedName)) {
                    printElementDecl(out, p, nestedName, ih.getElementType(nestedName));
                }
            }
        }
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        /**
         * Copies the properties into the Ant task.
         */
        public void configure(Object antObject) {
            IntrospectionHelper ih = IntrospectionHelper.getHelper(antObject.getClass());

            // set attributes first
            for (Iterator itr = attributes.entrySet().iterator(); itr.hasNext();) {
                Entry att = (Entry)itr.next();
                ih.setAttribute(getProject(), antObject, (String)att.getKey(), (String)att.getValue());
            }

            // then nested elements
            for (Iterator itr = elements.iterator(); itr.hasNext();) {
                AntElement e = (AntElement) itr.next();
                Object child = ih.createElement(getProject(), antObject, e.name);
                e.configure(child);
                ih.storeElement(getProject(), antObject, child, e.name);
            }
        }
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         * @exception SAXParseException in case of error, such as a
         *            BuildException being thrown during configuration.
         */
        public void init(String propType, AttributeList attrs) throws SAXParseException {
            Class parentClass = parent.getClass();
            IntrospectionHelper ih =
                IntrospectionHelper.getHelper(parentClass);

            try {
                String elementName = propType.toLowerCase(Locale.US);
                if (parent instanceof UnknownElement) {
                    UnknownElement uc = new UnknownElement(elementName);
                    uc.setProject(helperImpl.project);
                    ((UnknownElement) parent).addChild(uc);
                    child = uc;
                } else {
                    child = ih.createElement(helperImpl.project, parent, elementName);
                }

                helperImpl.configureId(child, attrs);

                if (parentWrapper != null) {
                    childWrapper = new RuntimeConfigurable(child, propType);
                    childWrapper.setAttributes(attrs);
                    parentWrapper.addChild(childWrapper);
                } else {
                    configure(child, attrs, helperImpl.project);
                    ih.storeElement(helperImpl.project, parent, child, elementName);
                }
            } catch (BuildException exc) {
                throw new SAXParseException(exc.getMessage(), helperImpl.locator, exc);
            }
        }
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         * @exception SAXParseException in case of error, such as a
         *            BuildException being thrown during configuration.
         */
        public void init(String propType, AttributeList attrs) throws SAXParseException {
            Class parentClass = parent.getClass();
            IntrospectionHelper ih =
                IntrospectionHelper.getHelper(parentClass);

            try {
                String elementName = propType.toLowerCase(Locale.US);
                if (parent instanceof UnknownElement) {
                    UnknownElement uc = new UnknownElement(elementName);
                    uc.setProject(helperImpl.project);
                    ((UnknownElement) parent).addChild(uc);
                    child = uc;
                } else {
                    child = ih.createElement(helperImpl.project, parent, elementName);
                }

                helperImpl.configureId(child, attrs);

                childWrapper = new RuntimeConfigurable(child, propType);
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     * @param name the attributename
     * @param value the new value
     */
    protected void tryToSetAParameter(Object obj, String name, String value) {
        Project prj = (getProject() != null) ? getProject() : new Project();
        IntrospectionHelper iHelper
            = IntrospectionHelper.getHelper(prj, obj.getClass());

        try {
            iHelper.setAttribute(prj, obj, name, value);
        } catch (org.apache.tools.ant.BuildException e) {
            // no-op
        }
    }
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        if (visited.containsKey(name)) {
            return;
        }
        visited.put(name, "");

        IntrospectionHelper ih = null;
        try {
            ih = IntrospectionHelper.getHelper(element);
        } catch (Throwable t) {
            /*
             * XXX - failed to load the class properly.
             *
             * should we print a warning here?
             */
            return;
        }

        StringBuffer sb = new StringBuffer("<!ELEMENT ");
        sb.append(name).append(" ");

        if (org.apache.tools.ant.types.Reference.class.equals(element)) {
            sb.append("EMPTY>").append(lSep);
            sb.append("<!ATTLIST ").append(name);
            sb.append(lSep).append("          id ID #IMPLIED");
            sb.append(lSep).append("          refid IDREF #IMPLIED");
            sb.append(">").append(lSep);
            out.println(sb);
            return;
        }

        Vector v = new Vector();
        if (ih.supportsCharacters()) {
            v.addElement("#PCDATA");
        }

        if (TaskContainer.class.isAssignableFrom(element)) {
            v.addElement(TASKS);
        }

        Enumeration e = ih.getNestedElements();
        while (e.hasMoreElements()) {
            v.addElement(e.nextElement());
        }

        if (v.isEmpty()) {
            sb.append("EMPTY");
        } else {
            sb.append("(");
            final int count = v.size();
            for (int i = 0; i < count; i++) {
                if (i != 0) {
                    sb.append(" | ");
                }
                sb.append(v.elementAt(i));
            }
            sb.append(")");
            if (count > 1 || !v.elementAt(0).equals("#PCDATA")) {
                sb.append("*");
            }
        }
        sb.append(">");
        out.println(sb);

        sb = new StringBuffer("<!ATTLIST ");
        sb.append(name);
        sb.append(lSep).append("          id ID #IMPLIED");

        e = ih.getAttributes();
        while (e.hasMoreElements()) {
            String attrName = (String) e.nextElement();
            if ("id".equals(attrName)) {
              continue;
            }

            sb.append(lSep).append("          ").append(attrName).append(" ");
            Class type = ih.getAttributeType(attrName);
            if (type.equals(java.lang.Boolean.class)
                || type.equals(java.lang.Boolean.TYPE)) {
                sb.append(BOOLEAN).append(" ");
            } else if (Reference.class.isAssignableFrom(type)) {
                sb.append("IDREF ");
            } else if (EnumeratedAttribute.class.isAssignableFrom(type)) {
                try {
                    EnumeratedAttribute ea =
                        (EnumeratedAttribute) type.newInstance();
                    String[] values = ea.getValues();
                    if (values == null
                        || values.length == 0
                        || !areNmtokens(values)) {
                        sb.append("CDATA ");
                    } else {
                        sb.append("(");
                        for (int i = 0; i < values.length; i++) {
                            if (i != 0) {
                                sb.append(" | ");
                            }
                            sb.append(values[i]);
                        }
                        sb.append(") ");
                    }
                } catch (InstantiationException ie) {
                    sb.append("CDATA ");
                } catch (IllegalAccessException ie) {
                    sb.append("CDATA ");
                }
            } else {
                sb.append("CDATA ");
            }
            sb.append("#IMPLIED");
        }
        sb.append(">").append(lSep);
        out.println(sb);

        final int count = v.size();
        for (int i = 0; i < count; i++) {
            String nestedName = (String) v.elementAt(i);
            if (!"#PCDATA".equals(nestedName)
                 && !TASKS.equals(nestedName)
                 && !TYPES.equals(nestedName)) {
                printElementDecl(out, nestedName, ih.getElementType(nestedName));
            }
        }
    }
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*
*/
public class AttributeReflector {

  public static void setAttributes(Project project, Object object, MaxmlMap attributes) {
    IntrospectionHelper ih = IntrospectionHelper.getHelper(project, object.getClass());
    for (String key : attributes.keySet()) {
      Object value = attributes.get(key);
      String attrValue;
      if (value instanceof List) {
        // flatten lists back to a string for Ant
        List<?> list = (List<?>) value;
        StringBuilder sb = new StringBuilder();
        for (Object o : list) {
          sb.append(o.toString()).append(", ");
        }
        sb.setLength(sb.length() - 2);
        attrValue = sb.toString().trim();
      } else {
        // ultimately toString is called anyway
        attrValue = value.toString();
      }
      try {
        ih.setAttribute(project, object, key, attrValue);
      } catch (UnsupportedAttributeException be) {
        throw new MoxieException("{0} does not support the \"{1}\" attribute!", object instanceof Task ? ((Task) object).getTaskName() : object.getClass().getSimpleName(), key);
      }
    }
  }
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