Package org.apache.olingo.odata2.api.ep

Examples of org.apache.olingo.odata2.api.ep.EntityProviderException

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  public ODataErrorContext readError(final InputStream errorDocument) throws EntityProviderException {
    JsonReader reader = createJsonReader(errorDocument);
    try {
      return parseJson(reader);
    } catch (IOException e) {
      throw new EntityProviderException(
          EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getMessage()), e);
    }
  }
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      reader.beginObject();
      String currentName = reader.nextName();
      if (FormatJson.ERROR.equals(currentName)) {
        errorContext = parseError(reader);
      } else {
        throw new EntityProviderException(EntityProviderException.INVALID_STATE.addContent(
            "Invalid object with name '" + currentName + "' found."));
      }
    } else {
      throw new EntityProviderException(EntityProviderException.INVALID_STATE.addContent(
          "No content to parse found."));
    }

    errorContext.setContentType(ContentType.APPLICATION_JSON.toContentTypeString());
    return errorContext;
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        messageFound = true;
        parseMessage(reader, errorContext);
      } else if (FormatJson.INNER_ERROR.equals(currentName)) {
        parseInnerError(reader, errorContext);
      } else {
        throw new EntityProviderException(EntityProviderException.INVALID_STATE.addContent(
            "Invalid name '" + currentName + "' found."));
      }
    }

    if (!codeFound) {
      throw new EntityProviderException(
          EntityProviderException.MISSING_PROPERTY.addContent("Mandatory 'code' property not found.'"));
    }
    if (!messageFound) {
      throw new EntityProviderException(
          EntityProviderException.MISSING_PROPERTY.addContent("Mandatory 'message' property not found.'"));
    }

    reader.endObject();
    return errorContext;
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        }
      } else if (FormatJson.VALUE.equals(currentName)) {
        valueFound = true;
        errorContext.setMessage(getValue(reader));
      } else {
        throw new EntityProviderException(EntityProviderException.INVALID_STATE.addContent("Invalid name '" +
            currentName + "' found."));
      }
    }

    if (!langFound) {
      throw new EntityProviderException(
          EntityProviderException.MISSING_PROPERTY.addContent("Mandatory 'lang' property not found.'"));
    }
    if (!valueFound) {
      throw new EntityProviderException(
          EntityProviderException.MISSING_PROPERTY.addContent("Mandatory 'value' property not found.'"));
    }
    reader.endObject();
  }
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    return reader.nextString();
  }

  private JsonReader createJsonReader(final InputStream in) throws EntityProviderException {
    if (in == null) {
      throw new EntityProviderException(EntityProviderException.INVALID_STATE
          .addContent(("Got not supported NULL object as content to de-serialize.")));
    }
    try {
      return new JsonReader(new InputStreamReader(in, DEFAULT_CHARSET));
    } catch (final UnsupportedEncodingException e) {
      throw new EntityProviderException(EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass()
          .getSimpleName()), e);
    }
  }
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        handleName(reader, typeMappings, entityPropertyInfo, readProperties, result, nextName);
      }
      reader.endObject();

      if (reader.peek() != JsonToken.END_DOCUMENT) {
        throw new EntityProviderException(EntityProviderException.END_DOCUMENT_EXPECTED.addContent(reader.peek()
            .toString()));
      }

      return result;
    } catch (final IOException e) {
      throw new EntityProviderException(EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass()
          .getSimpleName()), e);
    } catch (final IllegalStateException e) {
      throw new EntityProviderException(EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass()
          .getSimpleName()), e);
    }
  }
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  private void handleName(final JsonReader reader, final Map<String, Object> typeMappings,
      final EntityPropertyInfo entityPropertyInfo, final EntityProviderReadProperties readProperties,
      final Map<String, Object> result, final String nextName) throws EntityProviderException {
    if (!entityPropertyInfo.getName().equals(nextName)) {
      throw new EntityProviderException(EntityProviderException.ILLEGAL_ARGUMENT.addContent(nextName));
    }
    Object mapping = null;
    if (typeMappings != null) {
      mapping = typeMappings.get(nextName);
    }
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    try {
      return entityPropertyInfo.isComplex() ?
          readComplexProperty(reader, (EntityComplexPropertyInfo) entityPropertyInfo, typeMapping, readProperties) :
          readSimpleProperty(reader, entityPropertyInfo, typeMapping, readProperties);
    } catch (final EdmException e) {
      throw new EntityProviderException(EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass()
          .getSimpleName()), e);
    } catch (final IOException e) {
      throw new EntityProviderException(EntityProviderException.EXCEPTION_OCCURRED.addContent(e.getClass()
          .getSimpleName()), e);
    }
  }
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      case Boolean:
        if (tokenType == JsonToken.BOOLEAN) {
          value = reader.nextBoolean();
          value = value.toString();
        } else {
          throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
              .addContent(entityPropertyInfo.getName()));
        }
        break;
      case Byte:
      case SByte:
      case Int16:
      case Int32:
        if (tokenType == JsonToken.NUMBER) {
          value = reader.nextInt();
          value = value.toString();
        } else {
          throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
              .addContent(entityPropertyInfo.getName()));
        }
        break;
      case Single:
      case Double:
        if (tokenType == JsonToken.STRING) {
          value = reader.nextString();
        } else if (tokenType == JsonToken.NUMBER) {
          value = reader.nextDouble();
          value = value.toString();
        } else {
          throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
              .addContent(entityPropertyInfo.getName()));
        }
        break;
      default:
        if (tokenType == JsonToken.STRING) {
          value = reader.nextString();
        } else {
          throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE
              .addContent(entityPropertyInfo.getName()));
        }
        break;
      }
    }
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      final Object typeMapping, final EntityProviderReadProperties readProperties)
      throws EdmException, EntityProviderException, IOException {
    if (reader.peek().equals(JsonToken.NULL)) {
      reader.nextNull();
      if ((readProperties == null || readProperties.isValidatingFacets()) && complexPropertyInfo.isMandatory()) {
        throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY_VALUE.addContent(complexPropertyInfo
            .getName()));
      }
      return null;
    }

    reader.beginObject();
    Map<String, Object> data = new HashMap<String, Object>();

    Map<String, Object> mapping;
    if (typeMapping != null) {
      if (typeMapping instanceof Map) {
        mapping = (Map<String, Object>) typeMapping;
      } else {
        throw new EntityProviderException(EntityProviderException.INVALID_MAPPING.addContent(complexPropertyInfo
            .getName()));
      }
    } else {
      mapping = new HashMap<String, Object>();
    }

    while (reader.hasNext()) {
      String childName = reader.nextName();
      if (FormatJson.METADATA.equals(childName)) {
        reader.beginObject();
        childName = reader.nextName();
        if (!FormatJson.TYPE.equals(childName)) {
          throw new EntityProviderException(EntityProviderException.MISSING_ATTRIBUTE.addContent(FormatJson.TYPE)
              .addContent(FormatJson.METADATA));
        }
        String actualTypeName = reader.nextString();
        String expectedTypeName =
            complexPropertyInfo.getType().getNamespace() + Edm.DELIMITER + complexPropertyInfo.getType().getName();
        if (!expectedTypeName.equals(actualTypeName)) {
          throw new EntityProviderException(EntityProviderException.INVALID_ENTITYTYPE.addContent(expectedTypeName)
              .addContent(actualTypeName));
        }
        reader.endObject();
      } else {
        EntityPropertyInfo childPropertyInfo = complexPropertyInfo.getPropertyInfo(childName);
        if (childPropertyInfo == null) {
          throw new EntityProviderException(EntityProviderException.INVALID_PROPERTY.addContent(childName));
        }
        Object childData = readPropertyValue(reader, childPropertyInfo, mapping.get(childName), readProperties);
        if (data.containsKey(childName)) {
          throw new EntityProviderException(EntityProviderException.DOUBLE_PROPERTY.addContent(childName));
        }
        data.put(childName, childData);
      }
    }
    reader.endObject();
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