Examples with IHopMetadata org.apache.hop.metadata.api.IHopMetadata used on opensource projects

Example 16 with IHopMetadata

use of org.apache.hop.metadata.api.IHopMetadata in project hop by apache.

the class HopGuiAuditDelegate method openMetadataObject.

private void openMetadataObject(String className, String name) throws HopException {
    try {
        IHopMetadataProvider metadataProvider = hopGui.getMetadataProvider();
        MetadataPerspective perspective = MetadataPerspective.getInstance();
        // Find the class...
        List<Class<IHopMetadata>> metadataClasses = metadataProvider.getMetadataClasses();
        for (Class<IHopMetadata> metadataClass : metadataClasses) {
            if (metadataClass.getName().equals(className)) {
                // Get the serializer and open it up
                // 
                IHopMetadataSerializer<IHopMetadata> serializer = metadataProvider.getSerializer(metadataClass);
                // 
                if (serializer.exists(name)) {
                    IHopMetadata metadata = serializer.load(name);
                    MetadataManager<IHopMetadata> metadataManager = new MetadataManager<>(HopGui.getInstance().getVariables(), metadataProvider, metadataClass);
                    MetadataEditor<IHopMetadata> editor = metadataManager.createEditor(metadata);
                    // We assume that all tab items are closed so we can just open up a new editor for the
                    // metadata
                    // 
                    perspective.addEditor(editor);
                }
            }
        }
    } catch (Exception e) {
        throw new HopException("Error opening metadata object '" + name + "' of class " + className, e);
    }
}

Example 17 with IHopMetadata

use of org.apache.hop.metadata.api.IHopMetadata in project hop by apache.

the class JsonMetadataProvider method getSerializer.

@Override
public <T extends IHopMetadata> IHopMetadataSerializer<T> getSerializer(Class<T> managedClass) throws HopException {
    if (managedClass == null) {
        throw new HopException("You need to specify the class to serialize");
    }
    // Is this a metadata class?
    // 
    HopMetadata hopMetadata = managedClass.getAnnotation(HopMetadata.class);
    if (hopMetadata == null) {
        throw new HopException("To serialize class " + managedClass.getClass().getName() + " it needs to have annotation " + HopMetadata.class.getName());
    }
    String classFolder = Const.NVL(hopMetadata.key(), hopMetadata.name());
    String serializerBaseFolderName = baseFolder + (baseFolder.endsWith(Const.FILE_SEPARATOR) ? "" : Const.FILE_SEPARATOR) + classFolder;
    // Check if the folder exists...
    // 
    FileObject serializerBaseFolder = HopVfs.getFileObject(serializerBaseFolderName);
    try {
        if (!serializerBaseFolder.exists()) {
            serializerBaseFolder.createFolder();
        }
    } catch (Exception e) {
        throw new HopException("Error validating or creating folder  '" + serializerBaseFolderName + "'to store JSON serialized objects in from class " + managedClass.getName());
    }
    return new JsonMetadataSerializer<>(this, serializerBaseFolderName, managedClass, variables, hopMetadata.name());
}

Example 18 with IHopMetadata

use of org.apache.hop.metadata.api.IHopMetadata in project hop by apache.

the class XmlMetadataUtil method serializeObjectToXml.

/**
 * This method looks at the fields in the class of the provided object. It then sees which fields
 * have annotation HopMetadataProperty and proceeds to serialize the values of those fields as
 * XML.
 *
 * @param object The object to serialize to XML
 * @return The XML representation of the given object.
 * @throws HopException
 */
public static String serializeObjectToXml(Object object) throws HopException {
    String xml = "";
    // Pick up all the @HopMetadataProperty annotations
    // Serialize them to XML
    // 
    List<Field> fields = new ArrayList(ReflectionUtil.findAllFields(object.getClass()));
    // Sort the fields by name to get stable XML as output
    // 
    Collections.sort(fields, Comparator.comparing(Field::getName));
    for (Field field : fields) {
        // 
        if (Modifier.isTransient(field.getModifiers()) || Modifier.isVolatile(field.getModifiers())) {
            continue;
        }
        HopMetadataProperty property = field.getAnnotation(HopMetadataProperty.class);
        if (property != null) {
            String groupKey = property.groupKey();
            String tag = property.key();
            if (StringUtils.isEmpty(tag)) {
                tag = field.getName();
            }
            Class<?> fieldType = field.getType();
            // Is this a boolean?
            // 
            boolean isBoolean = Boolean.class.equals(fieldType) || boolean.class.equals(fieldType);
            // A password?
            // 
            boolean isPassword = property.password();
            // Store enums with their code?
            // 
            boolean storeWithCode = property.storeWithCode();
            // Get the value of the field...
            // 
            Object value = ReflectionUtil.getFieldValue(object, field.getName(), isBoolean);
            if (value != null) {
                // 
                if (property.storeWithName()) {
                    xml += XmlHandler.addTagValue(tag, ((IHopMetadata) value).getName());
                } else {
                    xml += serializeObjectToXml(value, groupKey, tag, isPassword, storeWithCode);
                }
            }
        }
    }
    return xml;
}

Example 19 with IHopMetadata

use of org.apache.hop.metadata.api.IHopMetadata in project hop by apache.

the class HopMetadataUtil method getHopMetadataKeys.

public static String[] getHopMetadataKeys(IHopMetadataProvider provider) {
    List<String> keys = new ArrayList<>();
    for (Class<IHopMetadata> metadataClass : provider.getMetadataClasses()) {
        HopMetadata hopMetadata = getHopMetadataAnnotation(metadataClass);
        keys.add(hopMetadata.key());
    }
    Collections.sort(keys);
    return keys.toArray(new String[0]);
}

Example 20 with IHopMetadata

use of org.apache.hop.metadata.api.IHopMetadata in project hop by apache.

the class MetadataFileTypeHandler method findTabItemHandler.

private TabItemHandler findTabItemHandler() {
    if (metadata == null) {
        return null;
    }
    MetadataPerspective perspective = MetadataPerspective.getInstance();
    for (TabItemHandler tabItemHandler : perspective.getItems()) {
        CTabItem tabItem = tabItemHandler.getTabItem();
        MetadataEditor editor = (MetadataEditor) tabItem.getData();
        IHopMetadata other = editor.getMetadata();
        if (other.equals(metadata)) {
            return tabItemHandler;
        }
    }
    return null;
}