org.infinispan.schematic.SchemaLibrary Maven / Gradle / Ivy
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* ModeShape (http://www.modeshape.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.infinispan.schematic;
import org.infinispan.schematic.document.Document;
import org.infinispan.schematic.document.JsonSchema.Type;
import org.infinispan.schematic.document.Path;
/**
* A library of JSON Schema documents. Because JSON Schemas are in fact JSON documents, this library is also a DocumentLibrary.
*
* @author Randall Hauch (C) 2011 Red Hat Inc.
* @since 5.1
*/
public interface SchemaLibrary extends DocumentLibrary {
/**
* Validate the supplied document against the JSON Schema with the supplied URI.
*
* @param document the document to be validated; may not be null
* @param schemaUri the URI of the JSON Schema that should be used to validate the document; may not be null
* @return the results of the validation; never null
*/
public Results validate( Document document,
String schemaUri );
/**
* Look for fields within the document (including nested documents) whose values are not of the expected type for the given
* schema, but whose values can be converted into the expected type.
*
* This is often useful when the results from {@link #validate(Document, String)} contain only
* {@link Results#hasOnlyTypeMismatchErrors() mismatched type errors}. In such a case, the document can be converted and the
* resulting document will likely satisfy the schema.
*
*
* @param document the document to be validated; may not be null
* @param results the results from the {@link #validate(Document, String)} call; may not be null
* @return the converted document, or the same input document if the
*/
public Document convertValues( Document document,
Results results );
/**
* Look for fields within the document (including nested documents) whose values are not of the expected type for the given
* schema, but whose values can be converted into the expected type.
*
* This method is similar to {@link #convertValues(Document, Results)}, except that this method automatically runs a JSON
* Schema validation to obtain the results. If you've already {@link #validate(Document, String) validated} the document, then
* instead of calling this method (which would validate a second time) try calling {@link #convertValues(Document, Results)}.
*
*
* @param document the document to be validated; may not be null
* @param schemaUri the URI of the JSON Schema that should be used to validate the document; may not be null
* @return the converted document, or the same input document if the
*/
public Document convertValues( Document document,
String schemaUri );
/**
* The results from a {@link SchemaLibrary#validate(Document, String) validation}.
*
* @author Randall Hauch (C) 2011 Red Hat Inc.
* @since 5.1
*/
public interface Results extends Iterable {
/**
* Determine if these results contain at least one error or warning. Calling this method is equivalent to (but more
* efficient than) calling:
*
*
* hasErrors() || hasWarnings()
*
*
* or
*
*
* problemCount() != 0
*
*
* or
*
*
* errorCount() != 0 || warningCount() != 0
*
*
* @return true if there is at least one error or warning, or false if there are no errors or
* warnings
*/
boolean hasProblems();
/**
* Determine if these results contain at least one error.
*
* @return true if there is at least one error, or false if there are no errors
*/
boolean hasErrors();
/**
* Determine if these results contain at least one warning.
*
* @return true if there is at least one warning, or false if there are no errors
*/
boolean hasWarnings();
/**
* Determine if these results contain only errors that are {@link MismatchedTypeProblem mismatched fields}, where the
* value of a field has a type that does not match but can be converted to the type defined in the schema.
*
* All type mismatch errors are considered {@link #hasErrors() errors}, but not all errors are type mismatch errors.
*
*
* If this method return true, then consider calling {@link SchemaLibrary#convertValues(Document, Results)} to convert the
* mismatched values and then revalidating.
*
*
* @return true if there is at least one mismatched type error, or false if there are no errors
* @see SchemaLibrary#convertValues(Document, Results)
*/
boolean hasOnlyTypeMismatchErrors();
/**
* Determine the number of errors within these results.
*
* @return the number of errors; always 0 or a positive number
*/
int errorCount();
/**
* Determine the number of warnings within these results.
*
* @return the number of warnings; always 0 or a positive number
*/
int warningCount();
/**
* Determine the number of problems (that is, errors and warnings) within these results.
*
* @return the number of errors and warnings; always 0 or a positive number
*/
int problemCount();
}
public enum ProblemType {
/** The problem type signaling a validation error. */
ERROR,
/** The problem type signaling a validation warning. */
WARNING;
}
public interface Problem {
/**
* Get the type of problem.
*
* @return the type; never null
*/
ProblemType getType();
/**
* The path to the field about which this problem applies.
*
* @return the path; never null
*/
Path getPath();
/**
* Get the message describing the problem.
*
* @return the message; never null
*/
String getReason();
/**
* Get the exception that was the cause of this problem, if there was an exception.
*
* @return the exception; may be null
*/
Throwable getCause();
}
/**
* A special type of problem where a field value was not of the expected type, but where the field value could be converted to
* the expected type
*/
public interface MismatchedTypeProblem extends Problem {
/**
* Get the actual field value.
*
* @return the actual field value
*/
Object getActualValue();
/**
* Get the converted field value that would satisfy the type expected by the schema.
*
* @return the converted field value
*/
Object getConvertedValue();
Type getActualType();
Type getExpectedType();
}
}
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