diff options
Diffstat (limited to 'csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java')
-rw-r--r-- | csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java b/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java new file mode 100644 index 0000000..8ff3569 --- /dev/null +++ b/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java @@ -0,0 +1,83 @@ +/* + * Copyright 2020 Nokia + * + * 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.onap.validation.yaml.schema.node; + +import org.onap.validation.yaml.exception.YamlProcessingException; +import org.onap.validation.yaml.model.YamlDocument; +import org.onap.validation.yaml.model.YamlDocumentFactory; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Optional; + +import static org.onap.validation.yaml.model.YamlDocumentFactory.YamlDocumentParsingException; +import static org.onap.validation.yaml.model.YamlParameterListFactory.YamlParameterListParsingException; + +public class YamlSchemaBranchNode extends YamlSchemaNode { + + private final YamlDocument nextNodesInLazyForm; + private Optional<List<YamlSchemaNode>> nextNodes; + + YamlSchemaBranchNode(String name, String path, boolean required, String comment, + YamlDocument nextNodesInLazyForm) { + super(name, path, required, comment); + this.nextNodesInLazyForm = nextNodesInLazyForm; + this.nextNodes = Optional.empty(); + } + + @Override + public boolean isContainingSubStructure() { + return true; + } + + @Override + public List<String> getAcceptedValues() { + return Collections.emptyList(); + } + + @Override + public synchronized List<YamlSchemaNode> getNextNodes() throws YamlSchemaProcessingException { + try { + return nextNodes.orElseGet(this::loadNextNodes); + } catch (YamlSchemaLazyLoadingException lazyLoadingException) { + throw new YamlSchemaProcessingException(lazyLoadingException); + } + } + + private List<YamlSchemaNode> loadNextNodes() { + try { + List<YamlSchemaNode> loadedNextNodes = new ArrayList<>(); + for (String key : nextNodesInLazyForm.getYaml().keySet()) { + YamlDocument substructure = new YamlDocumentFactory() + .createYamlDocument(nextNodesInLazyForm.getYaml().get(key)); + loadedNextNodes.add(new YamlSchemaNodeFactory().createNode(key, getPath() + getName() + "/", substructure)); + } + nextNodes = Optional.of(loadedNextNodes); + return loadedNextNodes; + } catch (YamlProcessingException e) { + throw new YamlSchemaLazyLoadingException("Lazy loading failed, due to yaml parsing exception.",e); + } + } + + static class YamlSchemaLazyLoadingException extends RuntimeException { + YamlSchemaLazyLoadingException(String message, Throwable throwable) { + super(message, throwable); + } + } +} |