Allow relative path for SOL004 descriptors import

Allow the use of relative path on SOL004 descriptors imports. Resolves
imports with "/", "../" or "./" entries during validation and package
processing.
Validate if the reference is inside the package.
Fix problem where imported descriptor files, described as a non string
scalar yaml entry, were not being checked by the validator.

Change-Id: Ie5a32736b6090b4adf178e8714f7460bcd068def
Issue-ID: SDC-2422
Signed-off-by: andre.schmid <andre.schmid@est.tech>

1 files changed, 55 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/InvalidToscaDefinitionImportException.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/InvalidToscaDefinitionImportException.java
new file mode 100644
index 0000000000..ac2e5eccc2
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/InvalidToscaDefinitionImportException.java
@@ -0,0 +1,55 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.core.impl;
+
+import java.util.List;
+import java.util.StringJoiner;
+import org.apache.commons.collections.CollectionUtils;
+import org.openecomp.sdc.datatypes.error.ErrorMessage;
+
+/**
+ * Runtime exception for errors in import statements inside a TOSCA definition yaml file.
+ */
+public class InvalidToscaDefinitionImportException extends RuntimeException {
+
+    private final String message;
+
+    /**
+     * Builds the exception message based on the provided validation error list.
+     * @param validationErrorList   The error list
+     */
+    public InvalidToscaDefinitionImportException(final List<ErrorMessage> validationErrorList) {
+        final StringBuilder stringBuilder = new StringBuilder();
+        stringBuilder.append("The provided package is invalid as it contains descriptors import errors:\n");
+        if (CollectionUtils.isNotEmpty(validationErrorList)) {
+            final StringJoiner joiner = new StringJoiner(";\n");
+            validationErrorList.forEach(
+                errorMessage -> joiner.add(String.format("%s: %s", errorMessage.getLevel(), errorMessage.getMessage())));
+            message = stringBuilder.append(joiner.toString()).toString();
+        } else {
+            message = stringBuilder.toString();
+        }
+    }
+
+    @Override
+    public String getMessage() {
+        return message;
+    }
+}