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package es.webbeta.serializer.metadata; |
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import es.webbeta.serializer.base.MetadataProperty; |
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import es.webbeta.serializer.type.FieldAccessType; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Map; |
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@SuppressWarnings("unchecked") |
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public class MetadataConstructor { |
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private static final String KEY_VIRTUAL_PROPERTIES = "virtual_properties"; |
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private static final String KEY_PROPERTIES = "properties"; |
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private static final String KEY_ACCESS_TYPE = "access_type"; |
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private static final String KEY_ACCESSOR = "accessor"; |
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private static final String KEY_SERIALIZED_NAME = "serialized_name"; |
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private static final String KEY_GROUPS = "groups"; |
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private static final String KEY_GETTER = "getter"; |
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public static Metadata build(Map<?, ?> map) { |
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if (map == null) return null; |
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Map.Entry<String, Map<String, Object>> root = |
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(Map.Entry<String, Map<String, Object>>) map.entrySet().iterator().next(); |
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String canonicalName = root.getKey(); |
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Map<String, Object> modifiers = root.getValue(); |
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Metadata metadata = new Metadata(canonicalName); |
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for (Map.Entry<String, Object> modifierEntry : modifiers.entrySet()) { |
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String key = modifierEntry.getKey(); |
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switch (key) { |
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case KEY_PROPERTIES: { |
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List<es.webbeta.serializer.metadata.MetadataProperty> properties = |
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buildProperties((Map<String, Map<String, Object>>) modifierEntry.getValue(), false); |
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metadata.setProperties(properties); |
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break; |
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} |
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case KEY_ACCESS_TYPE: |
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metadata.setAccessType(FieldAccessType.fromString((String) modifierEntry.getValue())); |
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break; |
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case KEY_VIRTUAL_PROPERTIES: { |
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List<MetadataVirtualProperty> properties = |
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buildProperties((Map<String, Map<String, Object>>) modifierEntry.getValue(), true); |
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metadata.setVirtualProperties(properties); |
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break; |
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} |
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} |
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} |
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return metadata; |
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} |
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private static <T extends MetadataProperty> List<T> buildProperties(Map<String, Map<String, Object>> map, Boolean asVirtualProperties) { |
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List<MetadataProperty> properties = new ArrayList<>(); |
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for (Map.Entry<String, Map<String, Object>> propertyEntry : map.entrySet()) { |
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String propertyName = propertyEntry.getKey(); |
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Map<String, Object> args = propertyEntry.getValue(); |
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MetadataProperty metadataProperty = asVirtualProperties ? |
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new MetadataVirtualProperty(propertyName) : |
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new es.webbeta.serializer.metadata.MetadataProperty(propertyName); |
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for (Map.Entry<String, Object> argEntry : args.entrySet()) { |
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String key = argEntry.getKey(); |
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switch (key) { |
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case KEY_GROUPS: |
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List<String> groups = new ArrayList<>(); |
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for (Object rawGroup : (List<?>) argEntry.getValue()) { |
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String group = (String) rawGroup; |
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groups.add(group); |
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} |
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metadataProperty.setGroups(groups); |
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break; |
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case KEY_SERIALIZED_NAME: |
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metadataProperty.setSerializedName((String) argEntry.getValue()); |
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break; |
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} |
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if (!asVirtualProperties) { |
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switch (key) { |
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case KEY_ACCESS_TYPE: |
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metadataProperty.setAccessType(FieldAccessType.fromString((String) argEntry.getValue())); |
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break; |
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case KEY_ACCESSOR: |
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MetadataPropertyAccessor accessor = |
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buildPropertyAccessor(metadataProperty, (Map<String, String>) argEntry.getValue()); |
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metadataProperty.setAccessor(accessor); |
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break; |
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} |
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} |
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} |
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properties.add(metadataProperty); |
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} |
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return (List<T>) properties; |
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} |
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private static MetadataPropertyAccessor buildPropertyAccessor(MetadataProperty metadataProperty, Map<String, String> map) { |
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if (metadataProperty.getAccessType() != FieldAccessType.PUBLIC_METHOD) return null; |
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String getter = null; |
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for (Map.Entry<String, String> argEntry : map.entrySet()) { |
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String key = argEntry.getKey(); |
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if (key.equals(KEY_GETTER)) |
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getter = argEntry.getValue(); |
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} |
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return (getter == null) ? |
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null : |
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new MetadataPropertyAccessor(getter); |
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} |
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120
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} |
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webbeta /
Serializer
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