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javabuildmaven-2properties-file
Dougnukem
Dougnukem

Reputation: 14907

How to read an external properties file in Maven

Does anyone know how to read a x.properties file in Maven. I know there are ways to use resource filtering to read a properties file and set values from that, but I want a way in my pom.xml like:

<properties file="x.properties"> 

</properties>

There was some discussion about this: Maven External Properties

Upvotes: 141

Views: 222273

Answers (3)

Dougnukem
Dougnukem

Reputation: 14907

Using the suggested Maven properties plugin I was able to read in a buildNumber.properties file that I use to version my builds.

  <build>    
    <plugins>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>properties-maven-plugin</artifactId>
        <version>1.2.1</version>
        <executions>
          <execution>
            <phase>initialize</phase>
            <goals>
              <goal>read-project-properties</goal>
            </goals>
            <configuration>
              <files>
                <file>${basedir}/../project-parent/buildNumber.properties</file>
              </files>
            </configuration>
          </execution>
        </executions>
      </plugin>
   </plugins>

Upvotes: 66

Mike Pone
Mike Pone

Reputation: 19320

Try the Properties Maven Plugin

Upvotes: 105

Rich Seller
Rich Seller

Reputation: 84028

This answer to a similar question describes how to extend the properties plugin so it can use a remote descriptor for the properties file. The descriptor is basically a jar artifact containing a properties file (the properties file is included under src/main/resources).

The descriptor is added as a dependency to the extended properties plugin so it is on the plugin's classpath. The plugin will search the classpath for the properties file, read the file''s contents into a Properties instance, and apply those properties to the project's configuration so they can be used elsewhere.

Upvotes: 6

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