/
MavenProjectLoader.java
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/
MavenProjectLoader.java
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package org.kie.scanner.embedder;
import org.apache.maven.project.MavenProject;
import org.kie.api.builder.KieScanner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.InputStream;
public class MavenProjectLoader {
private static final Logger log = LoggerFactory.getLogger(KieScanner.class);
private static MavenProject mavenProject;
public static MavenProject parseMavenPom(File pomFile) {
if (!pomFile.exists()) {
return null;
}
MavenRequest mavenRequest = createMavenRequest();
mavenRequest.setPom( pomFile.getAbsolutePath() );
try {
MavenEmbedder mavenEmbedder = new MavenEmbedder( Thread.currentThread().getContextClassLoader(), mavenRequest );
return mavenEmbedder.readProject( pomFile );
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static MavenProject parseMavenPom(InputStream pomStream) {
MavenRequest mavenRequest = createMavenRequest();
try {
MavenEmbedder mavenEmbedder = new MavenEmbedder( Thread.currentThread().getContextClassLoader(), mavenRequest );
return mavenEmbedder.readProject( pomStream );
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private static MavenRequest createMavenRequest() {
MavenRequest mavenRequest = new MavenRequest();
mavenRequest.setLocalRepositoryPath( MavenSettings.getSettings().getLocalRepository() );
// BZ-1007894: If dependency is not resolvable and maven project builder does not complain about it,
// then a <code>java.lang.NullPointerException</code> is thrown to the client.
// So, the user will se an exception message "null", not descriptive about the real error.
mavenRequest.setResolveDependencies(true);
return mavenRequest;
}
public static synchronized MavenProject loadMavenProject() {
if (mavenProject == null) {
File pomFile = new File( "pom.xml" );
try {
mavenProject = parseMavenPom(pomFile);
} catch (Exception e) {
log.warn("Unable to parse pom.xml file of the running project: " + e.getMessage());
}
}
return mavenProject;
}
}