org.jvnet.maven.plugin.antrun.PackagingCondition Maven / Gradle / Ivy

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This extended antrun maven plugin enables users not only to run ant scripts embedded in the POM, but also to reference maven dependencies using Ant task classes. This enables the user to delegate more complex tasks to Ant such as constructing file-based installation distros.

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package org.jvnet.maven.plugin.antrun;

import java.io.File;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.tools.ant.taskdefs.condition.Condition;
import org.apache.tools.ant.BuildException;
import org.apache.maven.artifact.Artifact;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * @author Kohsuke Kawaguchi
 * @author Paul Sterk
 */
public class PackagingCondition implements Condition{
    
    private String is = "";
    
    public void setIs(String is) {
        this.is = is;
    }
    
    public boolean eval() throws BuildException {
        boolean matchesIs = false;        
        String packagingValue = null;
        try {
            Artifact artifact = ResolveAllTask.CURRENT_ARTIFACT.get();
            // Get the pom.xml file for each artifact
            MavenComponentBag w = MavenComponentBag.get();
            Artifact pom = w.createArtifactWithClassifier(
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getVersion(),
                "pom",
                artifact.getClassifier());
            // Get the value of the  element
            File pomFile = pom.getFile();
            DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
            Document document = parser.parse(pomFile);
            Element element = document.getElementById("packaging");
            packagingValue = element.getNodeValue();
            if (packagingValue == null) {
                // Set to default Maven packaging type
                // TODO. Use a maven constant to set this value. Remove hard wiring value.
                packagingValue = "jar";
            }
            if (is.matches(packagingValue)) {
                matchesIs = true;
            }
        } catch (Throwable t) {
            throw new BuildException(t);
        }
        return matchesIs;
    }
}