Examples of net.jangaroo.exml.api.ExmlcException

net.jangaroo.exml.api.ExmlcException
An exception that occurs while parsing EXML files.

  @Override
  public void setConfig(ExmlConfiguration config) {
    try {
      this.configClassRegistry = new ConfigClassRegistry(config);
    } catch (IOException e) {
      throw new ExmlcException("unable to build config class registry: " + e.getMessage(), e);
    }
  }

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    Writer writer = null;
    try {
      writer = new OutputStreamWriter(new FileOutputStream(result), net.jangaroo.exml.api.Exmlc.OUTPUT_CHARSET);
      configClassRegistry.generateXsd(writer);
    } catch (Exception e) {
      throw new ExmlcException("unable to generate xsd file: " + e.getMessage(), e);
    } finally {
      try {
        if (writer != null) {
          writer.close();
        }

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          Element element = (Element)node;
          if (Exmlc.EXML_IMPORT_NODE_NAME.equals(node.getLocalName())) {
            String importedClassName = element.getAttribute(Exmlc.EXML_IMPORT_CLASS_ATTRIBUTE);
            if (importedClassName == null || importedClassName.equals("")) {
              int lineNumber = getLineNumber(componentNode);
              throw new ExmlcException("<exml:import> element must contain a non-empty class attribute", lineNumber);
            }
            model.addImport(importedClassName);
          } else if (Exmlc.EXML_ANNOTATION_NODE_NAME.equals(node.getLocalName())) {
            AnnotationAt annotationAt = Exmlc.parseAnnotationAtValue(element.getAttribute(Exmlc.EXML_ANNOTATION_AT_ATTRIBUTE));
            if (annotationAt != AnnotationAt.CONFIG) {
              model.addAnnotation(element.getTextContent());
            }
          } else if (Exmlc.EXML_CONSTANT_NODE_NAME.equals(node.getLocalName())) {
            String constantTypeName = element.getAttribute(Exmlc.EXML_DECLARATION_TYPE_ATTRIBUTE);
            model.addImport(constantTypeName);
          } else if (Exmlc.EXML_DESCRIPTION_NODE_NAME.equals(node.getLocalName())) {
            model.setDescription(node.getTextContent());
          } else if (Exmlc.EXML_VAR_NODE_NAME.equals(node.getLocalName())) {
            Declaration var = new Declaration(element.getAttribute(Exmlc.EXML_DECLARATION_NAME_ATTRIBUTE),
              element.getAttribute(Exmlc.EXML_DECLARATION_VALUE_ATTRIBUTE),
              element.getAttribute(Exmlc.EXML_DECLARATION_TYPE_ATTRIBUTE));
            if (!model.getVars().contains(var)) {
              model.addVar(var);
            }
          } else if (Exmlc.EXML_CFG_NODE_NAME.equals(node.getLocalName())) {
            String cfgName = element.getAttribute(Exmlc.EXML_CFG_NAME_ATTRIBUTE);
            String cfgDefault = element.getAttribute(Exmlc.EXML_CFG_DEFAULT_ATTRIBUTE);
            Element defaultValueElement = findChildElement(element,
                    Exmlc.EXML_NAMESPACE_URI, Exmlc.EXML_CFG_DEFAULT_NODE_NAME);
            if (cfgDefault.length() != 0 && defaultValueElement != null) {
              throw new ExmlcException("<exml:cfg> default value must be specified as either an attribute or a sub-element, not both for config '" + cfgName + "'.", getLineNumber(element));
            }
            if (cfgDefault.length() > 0) {
              model.getJsonObject().set(cfgName, cfgDefault);
              String cfgType = element.getAttribute(Exmlc.EXML_CFG_TYPE_ATTRIBUTE);
              model.addImport(cfgType);
            } else if (defaultValueElement != null) {
              defaultValues.put(cfgName, getChildElements(defaultValueElement));
            }
          }
        } else {
          if (componentNode != null) {
            int lineNumber = getLineNumber(componentNode);
            throw new ExmlcException("root node of EXML contained more than one component definition", lineNumber);
          }
          componentNode = (Element)node;
        }
      }
    }
    if (componentNode == null) {
      return;
    }


    String superFullClassName = createFullConfigClassNameFromNode(componentNode);
    if (superFullClassName.equals(model.getConfigClass().getFullName())) {
      int lineNumber = getLineNumber(componentNode);
      throw  new ExmlcException("Cyclic inheritance error: super class and this component are the same!. There is something wrong!", lineNumber);
    }
    ConfigClass superConfigClass = getConfigClassByName(superFullClassName, componentNode);
    String superComponentClassName = superConfigClass.getComponentClassName();
    if (model.getSuperClassName() == null) {
      model.setSuperClassName(superComponentClassName);

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    String name = componentNode.getLocalName();
    String uri = componentNode.getNamespaceURI();
    String packageName = uri == null ? null : ExmlUtils.parsePackageFromNamespace(uri);
    if (packageName == null) {
      int lineNumber = getLineNumber(componentNode);
      throw new ExmlcException("namespace '" + uri + "' of element '" + name + "' in EXML file does not denote a config package", lineNumber);
    }
    return packageName + "." + name;
  }

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        // derive the corresponding "at" value from the specified config mode (if any):
        String atValue = CONFIG_MODE_TO_AT_VALUE.get(configMode);
        if (atValue != null) {
          isConfigTypeArray = true;
          if (!configClass.isExmlGenerated()) {
            throw new ExmlcException("Non-EXML class " + configClass.getComponentClassName() +
                    " does not support config modes.", getLineNumber(element));
          }
        }
        // it seems to be an array or an object
        fillJsonObjectProperty(model, jsonObject, elementName, isConfigTypeArray, getChildElements(element));

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  private ConfigClass getConfigClassByName(String className, Node errorNode) {
    ConfigClass configClass = registry.getConfigClassByName(className);
    if (configClass == null) {
      int lineNumber = getLineNumber(errorNode);
      throw new ExmlcException("unknown type '" + className + "'", lineNumber);
    }
    return configClass;
  }

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  }


  private void validateRootNode(Node root) {
    int lineNumber = getLineNumber(root);
    if (!ExmlUtils.isExmlNamespace(root.getNamespaceURI())) {
      throw new ExmlcException("root node of EXML file must belong to namespace '" + Exmlc.EXML_NAMESPACE_URI + "', but was '" + root.getNamespaceURI() + "'", lineNumber);
    }
    if (!Exmlc.EXML_ROOT_NODE_NAMES.contains(root.getLocalName())) {
      throw new ExmlcException("Root node of EXML file must be one of " + Arrays.toString(Exmlc.EXML_ROOT_NODE_NAMES.toArray()) + ", but was " + root.getLocalName() + ".", lineNumber);
    }
  }

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        //handle config elements
        ConfigAttribute cfg = new ConfigAttribute(atts.getValue(Exmlc.EXML_CFG_NAME_ATTRIBUTE), atts.getValue(Exmlc.EXML_CFG_TYPE_ATTRIBUTE), null);
        if(!configClass.contains(cfg)) {
          configClass.addCfg(cfg);
        } else {
          throw new ExmlcException("Config '" + cfg.getName() + "' already defined.", locator.getLineNumber(), locator.getColumnNumber());
        }
      } else if (Exmlc.EXML_DESCRIPTION_NODE_NAME.equals(localName)) {
        if (isLastInPathExmlClass() || isLastInPathConfig() || isLastInPathConstant()) {
          // start recording characters of the description:
          startRecordingCharacters();
        }
      } else if (Exmlc.EXML_CONSTANT_NODE_NAME.equals(localName)) {
        Declaration constant = new Declaration(atts.getValue(Exmlc.EXML_DECLARATION_NAME_ATTRIBUTE), atts.getValue(Exmlc.EXML_DECLARATION_VALUE_ATTRIBUTE), atts.getValue(Exmlc.EXML_DECLARATION_TYPE_ATTRIBUTE));
        if(!configClass.getConstants().contains(constant)) {
          configClass.addConstant(constant);
        } else {
          throw new ExmlcException("Constant '" + constant.getName() + "' already defined.", locator.getLineNumber(), locator.getColumnNumber());
        }
      } else if (Exmlc.EXML_IMPORT_NODE_NAME.equals(localName)) {
        String importedClassName = atts.getValue(Exmlc.EXML_IMPORT_CLASS_ATTRIBUTE);
        if (importedClassName != null) {
          // TODO: check illegal values? Throw error when null?
          configClass.addImport(importedClassName);
        }
      }
    } else if (elementPath.size() == 1) {
      if (configClass.getSuperClassName() != null) {
        throw new ExmlcException("root node of EXML contained more than one component definition", locator.getLineNumber(), locator.getColumnNumber());
      }


      String thePackage = ExmlUtils.parsePackageFromNamespace(uri);
      if (thePackage == null) {
        throw new ExmlcException("namespace '" + uri + "' of superclass element in EXML file does not denote a config package", locator.getLineNumber(), locator.getColumnNumber());
      }
      configClass.setSuperClassName(thePackage + "." + localName);
    }
    elementPath.push(new QName(uri, localName));
  }

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    } catch (ExmlcException e) {
      // Simply pass our own exceptions.
      e.setFile(source);
      throw e;
    } catch (Exception e) {
      throw new ExmlcException("could not parse EXML file", source, e);
    } finally {
      try {
        if (inputStream != null) {
          inputStream.close();
        }

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    }
  }


  private static void generateClass(final ConfigClass configClass, final Writer output) throws IOException, TemplateException {
    if (configClass.getSuperClassName() == null) {
      throw new ExmlcException("Config class " + configClass.getFullName() + "'s super class name is null!");
    }
    Configuration cfg = new Configuration();
    cfg.setClassForTemplateLoading(ConfigClass.class, "/");
    cfg.setObjectWrapper(new DefaultObjectWrapper());
    Template template = cfg.getTemplate("/net/jangaroo/exml/templates/exml_config_class.ftl");

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Related Classes of net.jangaroo.exml.api.ExmlcException

net.jangaroo.exml.compiler.Exmlc

net.jangaroo.exml.generator.ExmlConfigClassGenerator

net.jangaroo.exml.model.ConfigClassRegistry

net.jangaroo.exml.model.ExmlSourceFile

net.jangaroo.exml.parser.ExmlMetadataHandler

net.jangaroo.exml.parser.ExmlToConfigClassParser

net.jangaroo.exml.parser.ExmlToModelParser

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