com.proofpoint.jmx.ConfigurationResource Maven / Gradle / Ivy

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/*
 * Copyright 2015 Proofpoint, Inc.
 *
 * 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 com.proofpoint.jmx;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableMap;
import com.proofpoint.configuration.ConfigurationFactory;
import com.proofpoint.configuration.ConfigurationInspector;
import com.proofpoint.configuration.ConfigurationInspector.ConfigAttribute;
import com.proofpoint.configuration.ConfigurationInspector.ConfigRecord;

import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import java.util.Map;

import static java.util.Objects.requireNonNull;

@Path("/admin/configuration")
public class ConfigurationResource
{
    private final ConfigurationFactory configurationFactory;

    @Inject
    public ConfigurationResource(ConfigurationFactory configurationFactory)
    {
        this.configurationFactory = requireNonNull(configurationFactory, "configurationFactory is null");
    }

    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public Map getConfiguration()
    {
        ConfigurationInspector configurationInspector = new ConfigurationInspector();
        ImmutableMap.Builder builder = ImmutableMap.builder();

        for (ConfigRecord record : configurationInspector.inspect(configurationFactory)) {
            for (ConfigAttribute attribute : record.getAttributes()) {
                builder.put(attribute.getPropertyName(),
                        new AutoValue_ConfigurationResource_ConfigurationEntry(attribute));
            }
        }
        return builder.build();
    }

    @AutoValue
    public abstract static class ConfigurationEntry
    {
        abstract ConfigAttribute getConfigAttribute();

        @JsonProperty
        String getDefaultValue()
        {
            return getConfigAttribute().getDefaultValue();
        }

        @JsonProperty
        String getCurrentValue()
        {
            return getConfigAttribute().getCurrentValue();
        }

        @JsonProperty
        String getDescription()
        {
            String description = getConfigAttribute().getDescription();
            if (description.isEmpty()) {
                return null;
            }
            return description;
        }
    }
}