ohnosequences.ivy.S3Utils Maven / Gradle / Ivy
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/*
* Copyright 2004-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ohnosequences.ivy;
import java.net.URI;
import java.net.URISyntaxException;
/**
* A utility class for parsing full URIs into S3 component parts.
*
* @author Ben Hale
* @author Evdokim Kovach
*/
public class S3Utils {
/**
* Parses the S3 bucket from a properly formed S3 URI.
* @param uri The URI to parse
* @return An S3 bucket for the given URI
*/
public static String getBucket(String uri) {
//System.out.print("parsing bucket from uri " + uri);
String bucket = getUri(uri).getHost();
// System.out.println(" bucket=" + bucket);
return bucket;
}
/**
* Parses the S3 key name from a properly formed S3URI.
* @param uri The URI to parse
* @return An S3 key name for the given URI
*/
public static String getKey(String uri) {
//System.out.print("parsing key from uri " + uri);
String key = getUri(uri).getPath().substring(1);
// System.out.println(" key=" + key);
return key;
}
private static URI getUri(String uri) {
try {
return new URI(uri);
}
catch (URISyntaxException e) {
throw new IllegalArgumentException("'" + uri + "' is a malformed S3 URI");
}
}
}