Move MountPointNormalizedNodeWriter

[yangtools.git] / data / rfc8528-data-util / src / main / java / org / opendaylight / yangtools / rfc8528 / data / util / MountPointNormalizedNodeWriter.java

diff --git a/data/rfc8528-data-util/src/main/java/org/opendaylight/yangtools/rfc8528/data/util/MountPointNormalizedNodeWriter.java b/data/rfc8528-data-util/src/main/java/org/opendaylight/yangtools/rfc8528/data/util/MountPointNormalizedNodeWriter.java
deleted file mode 100644 (file)
index 9325311..0000000
--- a/data/rfc8528-data-util/src/main/java/org/opendaylight/yangtools/rfc8528/data/util/MountPointNormalizedNodeWriter.java
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (c) 2019 PANTHEON.tech, s.r.o. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.yangtools.rfc8528.data.util;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.annotations.Beta;
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
-import java.io.IOException;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedMountPoint;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter.MountPointExtension;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
-
-/**
- * A {@link NormalizedMountPoint}-aware counterpart to {@link NormalizedNodeWriter}. Based on the backing writer's
- * capability it either forwards or filters NormalizedMountPoints.
- */
-@Beta
-public abstract class MountPointNormalizedNodeWriter extends NormalizedNodeWriter {
-    private static final class Filtering extends MountPointNormalizedNodeWriter {
-        Filtering(final NormalizedNodeStreamWriter writer) {
-            super(writer);
-        }
-
-        @Override
-        void writeMountPoint(final NormalizedMountPoint mountPoint) {
-            // No-op
-        }
-    }
-
-    private static final class Forwarding extends MountPointNormalizedNodeWriter {
-        private final MountPointExtension mountWriter;
-
-        Forwarding(final NormalizedNodeStreamWriter writer, final MountPointExtension mountWriter) {
-            super(writer);
-            this.mountWriter = requireNonNull(mountWriter);
-        }
-
-        @Override
-        void writeMountPoint(final NormalizedMountPoint mountPoint) throws IOException {
-            try (var writer = forStreamWriter(mountWriter.startMountPoint(mountPoint.label(), mountPoint.context()))) {
-                // FIXME: this does not deal with metadata nor nested mount points. For that we need a
-                //        writer.write(NormalizedTree) method, which in turn requires more integration.
-                writer.write(mountPoint.data());
-            }
-        }
-    }
-
-    MountPointNormalizedNodeWriter(final NormalizedNodeStreamWriter writer) {
-        super(writer);
-    }
-
-    public static @NonNull MountPointNormalizedNodeWriter forStreamWriter(final NormalizedNodeStreamWriter writer) {
-        final var mountWriter = writer.extension(MountPointExtension.class);
-        return mountWriter == null ? new Filtering(writer) : new Forwarding(writer, mountWriter);
-    }
-
-    public static @NonNull MountPointNormalizedNodeWriter filteringFor(final NormalizedNodeStreamWriter writer) {
-        return new Filtering(writer);
-    }
-
-    @SuppressFBWarnings(value = "NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE",
-        justification = "SpotBugs does not grok checkArgument()")
-    public static @NonNull MountPointNormalizedNodeWriter forwardingFor(final NormalizedNodeStreamWriter writer) {
-        final var mountWriter = writer.extension(MountPointExtension.class);
-        checkArgument(mountWriter != null, "Writer %s does not support mount points", writer);
-        return new Forwarding(writer, mountWriter);
-    }
-
-    @Override
-    protected final boolean wasProcessedAsCompositeNode(final NormalizedNode node) throws IOException {
-        if (node instanceof NormalizedMountPoint mountPoint) {
-            writeMountPoint(mountPoint);
-            return true;
-        }
-        return super.wasProcessedAsCompositeNode(node);
-    }
-
-    abstract void writeMountPoint(NormalizedMountPoint mountPoint) throws IOException;
-}