io.codemodder.CodemodResources Maven / Gradle / Ivy
package io.codemodder;
import java.io.IOException;
import java.io.InputStream;
import java.io.UncheckedIOException;
import java.nio.charset.StandardCharsets;
import java.util.MissingResourceException;
/** A utility class for accessing a codemod's resources in it's "default location" the classpath. */
public final class CodemodResources {
private CodemodResources() {}
/**
* Returns a class resource as a {@code String}.
*
* The absolute name of the class resource is of the following form:
*
*
*
* {@code /modifiedPackageName/className/relativeName}
*
*
*
* Where the {@code modifiedPackageName} is the package name of this object with {@code '/'}
* substituted for {@code '.'}.
*
* @param type The codemod type.
* @param relativeName The relative name of the resource.
* @return The resource as a {@code String}.
* @throws MissingResourceException If the resource was not found.
*/
public static String getClassResourceAsString(final Class type, final String relativeName) {
String resourceName = "/" + type.getName().replace('.', '/') + "/" + relativeName;
try (InputStream stream = type.getResourceAsStream(resourceName)) {
if (stream == null) {
throw new MissingResourceException(resourceName, type.getName(), resourceName);
}
return new String(stream.readAllBytes(), StandardCharsets.UTF_8);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}