external/storm-metrics/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
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 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
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<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>
      <artifactId>storm</artifactId>
      <groupId>org.apache.storm</groupId>
      <version>1.2.4</version>
      <relativePath>../../pom.xml</relativePath>
  </parent>

  <groupId>org.apache.storm</groupId>
  <artifactId>storm-metrics</artifactId>
  <packaging>jar</packaging>

  <name>storm-metrics</name>

  <properties>
    <!-- settings for downloading the sigar native binary complete archive, which is not available in Maven central-->
    <sigar.version>1.6.4</sigar.version>
    <sigar.download.url>https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/magelan/hyperic-sigar-${sigar.version}.zip</sigar.download.url>
    <sigar.SHA1>8f79d4039ca3ec6c88039d5897a80a268213e6b7</sigar.SHA1>
    <!-- this will download the sigar ZIP to the local maven repository next to the sigar dependencies,
         so we only download it once -->
    <sigar.download.path>${settings.localRepository}/org/fusesource/sigar/${sigar.version}</sigar.download.path>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.hdrhistogram</groupId>
      <artifactId>HdrHistogram</artifactId>
    </dependency>
    <dependency>
      <groupId>org.fusesource</groupId>
      <artifactId>sigar</artifactId>
      <version>${sigar.version}</version>
      <exclusions>
        <exclusion>
          <groupId>log4j</groupId>
          <artifactId>log4j</artifactId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>org.apache.storm</groupId>
      <artifactId>storm-core</artifactId>
      <version>${project.version}</version>
      <!-- keep storm out of the jar-with-dependencies -->
      <scope>${provided.scope}</scope>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-antrun-plugin</artifactId>
        <version>1.6</version>
        <executions>
          <execution>
            <id>prepare</id>
            <phase>validate</phase>
            <configuration>
              <tasks>
                <echo message="Downloading sigar native binaries..." />
                <get src="${sigar.download.url}" dest="${sigar.download.path}/" skipExisting="true" />
                <checksum file="${sigar.download.path}/hyperic-sigar-${sigar.version}.zip" algorithm="SHA1" property="${sigar.SHA1}" verifyProperty="validChecksum" />
                <fail message="Checksum validation failed for hyperic-sigar-${sigar.version}.zip">
                  <condition>
                    <isfalse value="${validChecksum}" />
                  </condition>
                </fail>
                <unzip src="${sigar.download.path}/hyperic-sigar-${sigar.version}.zip" dest="${project.build.directory}/classes/resources">
                  <patternset>
                    <include name="**/lib/libsigar-*" />
                    <include name="**/lib/sigar-*" />
                  </patternset>
                  <mapper type="flatten" />
                </unzip>
              </tasks>
            </configuration>
            <goals>
              <goal>run</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
</project>