/** * Copyright (C) 2012-2017 52°North Initiative for Geospatial Open Source * Software GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * If the program is linked with libraries which are licensed under one of * the following licenses, the combination of the program with the linked * library is not considered a "derivative work" of the program: * * - Apache License, version 2.0 * - Apache Software License, version 1.0 * - GNU Lesser General Public License, version 3 * - Mozilla Public License, versions 1.0, 1.1 and 2.0 * - Common Development and Distribution License (CDDL), version 1.0 * * Therefore the distribution of the program linked with libraries licensed * under the aforementioned licenses, is permitted by the copyright holders * if the distribution is compliant with both the GNU General Public * License version 2 and the aforementioned licenses. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General * Public License for more details. */ package org.n52.sos.coding.json.matchers; import org.hamcrest.Description; import org.hamcrest.Factory; import org.hamcrest.Matcher; import org.hamcrest.TypeSafeDiagnosingMatcher; import org.n52.sos.coding.json.JSONConstants; import org.n52.sos.coding.json.JSONValidator; import org.n52.sos.coding.json.SchemaConstants; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.ArrayNode; import com.fasterxml.jackson.databind.node.ObjectNode; import com.github.fge.jackson.JacksonUtils; import com.github.fge.jsonschema.core.exceptions.ProcessingException; import com.github.fge.jsonschema.core.report.ProcessingMessage; import com.github.fge.jsonschema.core.report.ProcessingReport; import com.github.fge.jsonschema.main.JsonSchema; /** * TODO JavaDoc * * @author Christian Autermann <autermann@uni-muenster.de> * * @since 4.0.0 */ public class ValidationMatchers { @Factory public static Matcher<JsonNode> instanceOf(String schemaURI) { return new IsValidInstance(schemaURI); } @Factory public static Matcher<JsonNode> validObservation() { return new IsValidInstance(SchemaConstants.Observation.OBSERVATION); } @Factory public static Matcher<JsonNode> validSchema() { return new IsValidInstance(SchemaConstants.SCHEMA_URI); } public static class IsValidInstance extends TypeSafeDiagnosingMatcher<JsonNode> { private final String schemaURI; public IsValidInstance(String schemaURI) { this.schemaURI = schemaURI; } @Override protected boolean matchesSafely(JsonNode item, Description mismatchDescription) { try { JsonSchema jsonSchema = JSONValidator.getInstance().getJsonSchemaFactory().getJsonSchema(schemaURI); ProcessingReport report = jsonSchema.validate(item); return describeProcessingReport(report, item, mismatchDescription); } catch (ProcessingException ex) { mismatchDescription.appendText(ex.getMessage()); } catch (JsonProcessingException ex) { mismatchDescription.appendText(ex.getMessage()); } return false; } protected boolean describeProcessingReport(ProcessingReport report, JsonNode item, Description mismatchDescription) throws JsonProcessingException { if (!report.isSuccess()) { ObjectNode objectNode = JacksonUtils.nodeFactory().objectNode(); objectNode.put(JSONConstants.INSTANCE, item); ArrayNode errors = objectNode.putArray(JSONConstants.ERRORS); for (ProcessingMessage m : report) { errors.add(m.asJson()); } mismatchDescription.appendText(JacksonUtils.prettyPrint(objectNode)); } return report.isSuccess(); } @Override public void describeTo(Description description) { description.appendText("valid instance of ").appendText(schemaURI); } } }