/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.viewer.json.viewer.resources.version;
import java.nio.charset.Charset;
import com.google.common.io.Resources;
import org.apache.isis.viewer.json.applib.JsonRepresentation;
import org.apache.isis.viewer.json.applib.RepresentationType;
import org.apache.isis.viewer.json.viewer.JsonApplication;
import org.apache.isis.viewer.json.viewer.ResourceContext;
import org.apache.isis.viewer.json.viewer.representations.LinkFollower;
import org.apache.isis.viewer.json.viewer.representations.ReprRenderer;
import org.apache.isis.viewer.json.viewer.representations.ReprRendererAbstract;
import org.apache.isis.viewer.json.viewer.representations.ReprRendererFactoryAbstract;
public class VersionReprRenderer extends ReprRendererAbstract<VersionReprRenderer, Void> {
private static final String META_INF_POM_PROPERTIES = "/META-INF/maven/org.apache.isis.viewer/json-viewer/pom.properties";
public static class Factory extends ReprRendererFactoryAbstract {
public Factory() {
super(RepresentationType.VERSION);
}
@Override
public ReprRenderer<?, ?> newRenderer(final ResourceContext resourceContext, final LinkFollower linkFollower, final JsonRepresentation representation) {
return new VersionReprRenderer(resourceContext, linkFollower, getRepresentationType(), representation);
}
}
private VersionReprRenderer(final ResourceContext resourceContext, final LinkFollower linkFollower, final RepresentationType representationType, final JsonRepresentation representation) {
super(resourceContext, linkFollower, representationType, representation);
}
@Override
public VersionReprRenderer with(final Void t) {
return this;
}
@Override
public JsonRepresentation render() {
if (includesSelf) {
withSelf("version/");
}
representation.mapPut("specVersion", JsonApplication.SPEC_VERSION);
representation.mapPut("implVersion", versionFromManifest());
putOptionalCapabilities();
putExtensions();
return representation;
}
private static String versionFromManifest() {
try {
return Resources.toString(Resources.getResource(META_INF_POM_PROPERTIES), Charset.defaultCharset());
} catch (final Exception ex) {
return "UNKNOWN";
}
}
private void putOptionalCapabilities() {
final JsonRepresentation optionalCapabilities = JsonRepresentation.newMap();
optionalCapabilities.mapPut("concurrencyChecking", "no");
optionalCapabilities.mapPut("transientObjects", "yes");
optionalCapabilities.mapPut("deleteObjects", "no");
optionalCapabilities.mapPut("simpleArguments", "no");
optionalCapabilities.mapPut("partialArguments", "no");
optionalCapabilities.mapPut("followLinks", "yes");
optionalCapabilities.mapPut("validateOnly", "no");
optionalCapabilities.mapPut("pagination", "no");
optionalCapabilities.mapPut("sorting", "no");
optionalCapabilities.mapPut("domainModel", "rich");
representation.mapPut("optionalCapabilities", optionalCapabilities);
}
private void putExtensions() {
representation.mapPut("extensions", JsonRepresentation.newMap());
}
}