Run apex-pdp in Java 11: base changes

This change brings in the minimum changes to get apex-pdp running in
Java 11. Other reviews will bring in changes to remove Java 11 warnings
and to convert apex-pdp Javascript handling from the now deprecated
nashorn engine.

Issue-ID: POLICY-1581
Change-Id: I879bbae08d4e67aca3f1bfeedeca639d8dbbc281
Signed-off-by: liamfallon <liam.fallon@est.tech>

4 files changed, 17 insertions, 177 deletions

diff --git a/examples/examples-pcvs/pom.xml b/examples/examples-pcvs/pom.xml
index 720ebf7a9..9f0b08ae8 100644
--- a/examples/examples-pcvs/pom.xml
+++ b/examples/examples-pcvs/pom.xml
@@ -1,6 +1,7 @@
 <!--
   ============LICENSE_START=======================================================
    Copyright (C) 2018 Ericsson. All rights reserved.
+   Modifications Copyright (C) 2020 Nordix Foundation.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -17,7 +18,10 @@
   SPDX-License-Identifier: Apache-2.0
   ============LICENSE_END=========================================================
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.onap.policy.apex-pdp.examples</groupId>
@@ -30,11 +34,11 @@
     <description>Example for Policy-controlled Video Streaming</description>
 
     <properties>
-        <apex-domains-pcvs-dir>${project.basedir}/src</apex-domains-pcvs-dir>
+        <policymodel.name>vpnsla</policymodel.name>
     </properties>
 
     <dependencies>
-         <dependency>
+        <dependency>
             <groupId>org.onap.policy.common</groupId>
             <artifactId>utils</artifactId>
         </dependency>
@@ -80,19 +84,19 @@
                 <artifactId>exec-maven-plugin</artifactId>
                 <executions>
                     <execution>
-                        <id>generate-models</id>
-                        <phase>process-classes</phase>
+                        <id>generate-policy</id>
+                        <phase>compile</phase>
                         <goals>
-                            <goal>exec</goal>
+                            <goal>java</goal>
                         </goals>
                         <configuration>
-                            <executable>java</executable>
+                            <mainClass>org.onap.policy.apex.auth.clieditor.ApexCommandLineEditorMain</mainClass>
+                            <classpathScope>compile</classpathScope>
                             <arguments>
-                                <argument>-classpath</argument>
-                                <classpath />
-                                <argument>org.onap.policy.apex.examples.pcvs.model.PcvsDomainModelSaver</argument>
-                                <argument>${project.basedir}</argument>
-                                <argument>${project.build.directory}/classes/examples/models/pcvs/</argument>
+                                <argument>-command-file=${project.basedir}/src/main/resources/org/onap/policy/apex/examples/pcvs/vpnsla/${policymodel.name}.apex</argument>
+                                <argument>-output-model-file=${project.build.directory}/classes/examples/models/pcvs/vpnsla/${policymodel.name}.json</argument>
+                                <argument>-log-file=${project.build.directory}/${policymodel.name}_policygeneration.log</argument>
+                                <argument>-working-dir=${project.basedir}</argument>
                             </arguments>
                         </configuration>
                     </execution>
@@ -150,4 +154,4 @@
             </build>
         </profile>
     </profiles>
-</project>
\ No newline at end of file
+</project>
diff --git a/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/PcvsDomainModelFactory.java b/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/PcvsDomainModelFactory.java
deleted file mode 100644
index fa8903b62..000000000
--- a/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/PcvsDomainModelFactory.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * 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.onap.policy.apex.examples.pcvs.model;
-
-import java.io.File;
-
-import org.onap.policy.apex.auth.clieditor.ApexCommandLineEditorMain;
-import org.onap.policy.apex.model.basicmodel.concepts.ApexRuntimeException;
-import org.onap.policy.apex.model.basicmodel.handling.ApexModelReader;
-import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
-import org.onap.policy.common.utils.resources.ResourceUtils;
-
-/**
- * A factory for creating PCVSDomainModel objects.
- *
- * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
- */
-public class PcvsDomainModelFactory {
-
-    /**
-     * Generates the PCVS VPN-SLA policy model from CLI commands and creates an APEX model.
-     *
-     * @param workingDirectory The working directory for the CLI editor for includes
-     *
-     * @return the PCVS VPN-SLA policy model
-     */
-    public AxPolicyModel getPcvsVpnSlaSPolicyModel(final String workingDirectory) {
-        final String path = "target/model-gen/pcvs/vpnsla";
-        final String file = "policy.json";
-        final String full = path + "/" + file;
-
-        final File pathFile = new File(path);
-        pathFile.mkdirs();
-
-        final String[] args =
-                new String[] {"-c", "src/main/resources/org/onap/policy/apex/examples/pcvs/vpnsla/vpnsla.apex", "-wd",
-                    workingDirectory, "-o", full};
-
-        final ApexCommandLineEditorMain cliEditor = new ApexCommandLineEditorMain(args);
-        if (cliEditor.getErrorCount() > 0) {
-            throw new ApexRuntimeException(
-                    "Apex CLI editor execution failed with " + cliEditor.getErrorCount() + " errors");
-        }
-
-        java.util.TimeZone.getTimeZone("gmt");
-        try {
-            final ApexModelReader<AxPolicyModel> reader = new ApexModelReader<>(AxPolicyModel.class);
-            return reader.read(ResourceUtils.getResourceAsString(full));
-        } catch (final Exception e) {
-            throw new ApexRuntimeException("Failed to build PCVS SLA1 policy from path: " + full, e);
-        }
-    }
-
-}
diff --git a/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/PcvsDomainModelSaver.java b/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/PcvsDomainModelSaver.java
deleted file mode 100644
index 02b107767..000000000
--- a/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/PcvsDomainModelSaver.java
+++ /dev/null
@@ -1,62 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications 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.onap.policy.apex.examples.pcvs.model;
-
-import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
-import org.onap.policy.apex.model.basicmodel.handling.ApexModelSaver;
-import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
-import org.slf4j.ext.XLogger;
-import org.slf4j.ext.XLoggerFactory;
-
-/**
- * The Class PcvsDomainModelSaver.
- *
- * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
- */
-public final class PcvsDomainModelSaver {
-    // Logger for this class
-    private static final XLogger LOGGER = XLoggerFactory.getXLogger(PcvsDomainModelSaver.class);
-
-    /** Private constructor to prevent instantiation. */
-    private PcvsDomainModelSaver() {
-    }
-
-    /**
-     * Write all PCVS models to args[0].
-     *
-     * @param args uses <code>arg[0]</code> for directory information
-     * @throws ApexException the apex exception
-     */
-    public static void main(final String[] args) throws ApexException {
-        if (args.length != 2) {
-            LOGGER.error("usage: " + PcvsDomainModelSaver.class.getName() + " workingDirectory modelDirectory");
-            return;
-        }
-
-        final AxPolicyModel pcvsPolicyModel = new PcvsDomainModelFactory().getPcvsVpnSlaSPolicyModel(args[0]);
-        final ApexModelSaver<AxPolicyModel> pcvsModelSaver = new ApexModelSaver<>(AxPolicyModel.class, pcvsPolicyModel,
-                        args[1] + "vpnsla/");
-        pcvsModelSaver.apexModelWriteJson();
-        pcvsModelSaver.apexModelWriteXml();
-
-    }
-}
diff --git a/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/package-info.java b/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/package-info.java
deleted file mode 100644
index ff9b39730..000000000
--- a/examples/examples-pcvs/src/main/java/org/onap/policy/apex/examples/pcvs/model/package-info.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- * ================================================================================
- * 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=========================================================
- */
-
-/**
- * Contains the model for Policy-controlled Video Streaming.
- *
- * @author Sven van der Meer (sven.van.der.meer@ericsson.com)
- * @author Joseph McNamara (joseph.mcnamara@ericsson.com)
- * @author John Keeney (john.keeney@ericsson.com)
- */
-
-package org.onap.policy.apex.examples.pcvs.model;
-