com.googlecode.jmxtrans.model.output.LibratoWriterFactory.java Source code

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Here is the source code for com.googlecode.jmxtrans.model.output.LibratoWriterFactory.java

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/**
 * The MIT License
 * Copyright  2010 JmxTrans team
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.googlecode.jmxtrans.model.output;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.Base64Variants;
import com.fasterxml.jackson.core.JsonFactory;
import com.google.common.collect.ImmutableList;
import com.googlecode.jmxtrans.model.OutputWriterFactory;
import com.googlecode.jmxtrans.model.output.support.HttpOutputWriter;
import com.googlecode.jmxtrans.model.output.support.HttpUrlConnectionConfigurer;
import com.googlecode.jmxtrans.model.output.support.ResultTransformerOutputWriter;
import lombok.EqualsAndHashCode;
import lombok.ToString;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URL;

import static com.google.common.base.Charsets.US_ASCII;
import static com.google.common.base.Charsets.UTF_8;
import static com.google.common.base.MoreObjects.firstNonNull;
import static com.google.common.base.Preconditions.checkNotNull;

@EqualsAndHashCode
@ToString
public class LibratoWriterFactory implements OutputWriterFactory {
    private final boolean booleanAsNumber;
    @Nonnull
    private final ImmutableList<String> typeNames;
    @Nonnull
    private final URL url;
    @Nullable
    private final Proxy proxy;
    @Nonnull
    private final int readTimeoutInMillis;
    @Nullable
    private final String authorization;

    public LibratoWriterFactory(@JsonProperty("typeNames") ImmutableList<String> typeNames,
            @JsonProperty("booleanAsNumber") boolean booleanAsNumber, @JsonProperty("url") URL url,
            @JsonProperty("libratoApiTimeoutInMillis") Integer readTimeoutInMillis,
            @JsonProperty("username") String username, @JsonProperty("token") String token,
            @JsonProperty("proxyHost") String proxyHost, @JsonProperty("proxyPort") Integer proxyPort) {
        this.booleanAsNumber = booleanAsNumber;
        this.typeNames = firstNonNull(typeNames, ImmutableList.<String>of());
        this.url = checkNotNull(url);
        this.readTimeoutInMillis = firstNonNull(readTimeoutInMillis, 1000);
        this.authorization = "Basic" + Base64Variants.getDefaultVariant()
                .encode((checkNotNull(username) + ":" + checkNotNull(token)).getBytes(US_ASCII));
        proxy = initProxy(proxyHost, proxyPort);
    }

    private Proxy initProxy(String proxyHost, Integer proxyPort) {
        if (proxyHost == null)
            return null;

        return new Proxy(Proxy.Type.HTTP,
                new InetSocketAddress(proxyHost, checkNotNull(proxyPort, "Proxy port needs to be specified.")));
    }

    @Override
    public ResultTransformerOutputWriter<HttpOutputWriter<LibratoWriter2>> create() {
        return ResultTransformerOutputWriter.booleanToNumber(booleanAsNumber,
                new HttpOutputWriter<LibratoWriter2>(new LibratoWriter2(new JsonFactory(), typeNames), url, proxy,
                        new HttpUrlConnectionConfigurer("POST", readTimeoutInMillis, authorization,
                                "application/json; charset=utf-8"),
                        UTF_8));
    }
}