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Diffstat (limited to 'verigraph/src/it/polito/verigraph/validation/DpiValidator.java')
-rw-r--r-- | verigraph/src/it/polito/verigraph/validation/DpiValidator.java | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/verigraph/src/it/polito/verigraph/validation/DpiValidator.java b/verigraph/src/it/polito/verigraph/validation/DpiValidator.java new file mode 100644 index 0000000..f3c1dfc --- /dev/null +++ b/verigraph/src/it/polito/verigraph/validation/DpiValidator.java @@ -0,0 +1,44 @@ +/******************************************************************************* + * Copyright (c) 2017 Politecnico di Torino and others. + * + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Apache License, Version 2.0 + * which accompanies this distribution, and is available at + * http://www.apache.org/licenses/LICENSE-2.0 + *******************************************************************************/ +package it.polito.verigraph.validation; + +import com.fasterxml.jackson.databind.JsonNode; + +import it.polito.verigraph.model.Configuration; +import it.polito.verigraph.model.Graph; +import it.polito.verigraph.model.Node; +import it.polito.verigraph.validation.exception.ValidationException; + +public class DpiValidator implements ValidationInterface { + + public DpiValidator(){ + + } + + private void validateKey(String key) throws ValidationException { + if (!key.matches("\\w+")) + throw new ValidationException("'" + key + "' is not a valid configuration string for a 'dpi'"); + } + + @Override + public void validate(Graph graph, Node node, Configuration configuration) throws ValidationException { + + JsonNode conf = configuration.getConfiguration(); + + if (!conf.isArray()) { + throw new ValidationException("Configuration of a 'dpi' must be an array"); + } + for (JsonNode key : conf) { + if (!key.isTextual()) + throw new ValidationException("Configuration of a 'dpi' must be an array of strings"); + validateKey(key.asText()); + } + } + +}
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