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@ -14,8 +14,6 @@ |
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*/ |
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package org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters; |
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import org.hyperledger.besu.ethereum.api.jsonrpc.internal.exception.InvalidJsonRpcParameters; |
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import java.util.List; |
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import java.util.Optional; |
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@ -40,13 +38,12 @@ public class JsonRpcParameter { |
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* @param <T> The type of parameter. |
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* @return Returns the parameter cast as T if available, otherwise throws exception. |
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*/ |
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// TODO: update to throw JsonRpcParameterException as a checked exception, forcing callers to
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// handle it to supply appropriate context
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public <T> T required(final Object[] params, final int index, final Class<T> paramClass) { |
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public <T> T required(final Object[] params, final int index, final Class<T> paramClass) |
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throws JsonRpcParameterException { |
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return optional(params, index, paramClass) |
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.orElseThrow( |
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() -> |
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new InvalidJsonRpcParameters( |
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new JsonRpcParameterException( |
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"Missing required json rpc parameter at index " + index)); |
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} |
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@ -60,11 +57,8 @@ public class JsonRpcParameter { |
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* @param <T> The type of parameter. |
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* @return Returns the parameter cast as T if available. |
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*/ |
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// TODO: update to throw JsonRpcParameterException as a checked exception, forcing callers to
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// handle it to supply appropriate context
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@SuppressWarnings("unchecked") |
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public <T> Optional<T> optional( |
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final Object[] params, final int index, final Class<T> paramClass) { |
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public <T> Optional<T> optional(final Object[] params, final int index, final Class<T> paramClass) |
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throws JsonRpcParameterException { |
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if (params == null || params.length <= index || params[index] == null) { |
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return Optional.empty(); |
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} |
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@ -73,14 +67,14 @@ public class JsonRpcParameter { |
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final Object rawParam = params[index]; |
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if (paramClass.isAssignableFrom(rawParam.getClass())) { |
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// If we're dealing with a simple type, just cast the value
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param = (T) rawParam; |
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param = paramClass.cast(rawParam); |
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} else { |
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// Otherwise, serialize param back to json and then deserialize to the paramClass type
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try { |
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final String json = mapper.writeValueAsString(rawParam); |
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param = mapper.readValue(json, paramClass); |
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} catch (final JsonProcessingException e) { |
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throw new InvalidJsonRpcParameters( |
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throw new JsonRpcParameterException( |
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String.format( |
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"Invalid json rpc parameter at index %d. Supplied value was: '%s' of type: '%s' - expected type: '%s'", |
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index, rawParam, rawParam.getClass().getName(), paramClass.getName()), |
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@ -91,10 +85,9 @@ public class JsonRpcParameter { |
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return Optional.of(param); |
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} |
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// TODO: update to throw JsonRpcParameterException as a checked exception, forcing callers to
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// handle it to supply appropriate context
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public <T> Optional<List<T>> optionalList( |
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final Object[] params, final int index, final Class<T> listClass) { |
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final Object[] params, final int index, final Class<T> listClass) |
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throws JsonRpcParameterException { |
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if (params == null || params.length <= index || params[index] == null) { |
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return Optional.empty(); |
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} |
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@ -105,7 +98,7 @@ public class JsonRpcParameter { |
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List<T> returnedList = mapper.readValue(listJson, new TypeReference<List<T>>() {}); |
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return Optional.of(returnedList); |
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} catch (JsonProcessingException e) { |
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throw new InvalidJsonRpcParameters( |
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throw new JsonRpcParameterException( |
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String.format( |
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"Invalid json rpc parameter at index %d. Supplied value was: '%s' of type: '%s' - expected type: '%s'", |
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index, rawParam, rawParam.getClass().getName(), listClass.getName()), |
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Matilda-Clerke
3 months ago
committed by
GitHub