io.hawt.log.support.MavenCoordinates Maven / Gradle / Ivy
package io.hawt.log.support;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.Properties;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
/**
* A helper class for returning the coordinates from a Properties file
*/
public class MavenCoordinates {
public static String mavenCoordinateFromPomProperties(InputStream is) throws IOException {
StringBuilder builder = new StringBuilder();
appendMavenCoordinateFromPomProperties(is, builder);
return builder.toString();
}
public static void appendMavenCoordinateFromPomProperties(InputStream is, StringBuilder buffer) throws IOException {
Properties props = new Properties();
try {
props.load(is);
String groupId = props.getProperty("groupId");
String artifactId = props.getProperty("artifactId");
String version = props.getProperty("version");
if (groupId != null && artifactId != null & version != null) {
if (buffer.length() > 0) {
buffer.append(" ");
}
buffer.append(groupId).append(":").append(artifactId).append(":").append(version);
}
} finally {
is.close();
}
}
public static String mavenCoordinatesFromJarFile(File file) throws IOException {
StringBuilder buffer = new StringBuilder();
JarFile jarFile = new JarFile(file);
Enumeration entries = jarFile.entries();
while (entries.hasMoreElements()) {
JarEntry jarEntry = entries.nextElement();
String name = jarEntry.getName();
if (name.endsWith("pom.properties")) {
InputStream is = jarFile.getInputStream(jarEntry);
if (is != null) {
appendMavenCoordinateFromPomProperties(is, buffer);
}
}
}
return buffer.toString();
}
}