/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.nifi.processors.gcp.storage;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Utility class(es) for Storage functionality.
*/
class Util {
private static final Pattern CONTENT_DISPOSITION_PATTERN =
Pattern.compile("^(.+);\\s*filename\\s*=\\s*\"([^\"]*)\"");
/**
* Parses the filename from a <a href="https://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.5.1">Content-Disposition</a>
* header.
* @param contentDisposition The Content-Disposition header to be parsed
* @return the parsed content disposition.
*/
public static ParsedContentDisposition parseContentDisposition(String contentDisposition) {
Matcher m = CONTENT_DISPOSITION_PATTERN.matcher(contentDisposition);
if (m.find() && m.groupCount() == 2) {
return new ParsedContentDisposition(m.group(1), m.group(2));
}
return null;
}
public static class ParsedContentDisposition {
private final String contentDispositionType;
private final String fileName;
private ParsedContentDisposition(String contentDispositionType, String fileName) {
this.contentDispositionType = contentDispositionType;
this.fileName = fileName;
}
public String getFileName() {
return this.fileName;
}
public String getContentDispositionType() {
return this.contentDispositionType;
}
}
}